diff --git a/3-5 GPIO_光敏传感器/Library/stm32f10x_flash.c b/3-5 GPIO_光敏传感器/Library/stm32f10x_flash.c new file mode 100644 index 0000000..f6c7bf1 --- /dev/null +++ b/3-5 GPIO_光敏传感器/Library/stm32f10x_flash.c @@ -0,0 +1,1684 @@ +/** + ****************************************************************************** + * @file stm32f10x_flash.c + * @author MCD Application Team + * @version V3.5.0 + * @date 11-March-2011 + * @brief This file provides all the FLASH firmware functions. + ****************************************************************************** + * @attention + * + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + *

© COPYRIGHT 2011 STMicroelectronics

+ ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f10x_flash.h" + +/** @addtogroup STM32F10x_StdPeriph_Driver + * @{ + */ + +/** @defgroup FLASH + * @brief FLASH driver modules + * @{ + */ + +/** @defgroup FLASH_Private_TypesDefinitions + * @{ + */ + +/** + * @} + */ + +/** @defgroup FLASH_Private_Defines + * @{ + */ + +/* Flash Access Control Register bits */ +#define ACR_LATENCY_Mask ((uint32_t)0x00000038) +#define ACR_HLFCYA_Mask ((uint32_t)0xFFFFFFF7) +#define ACR_PRFTBE_Mask ((uint32_t)0xFFFFFFEF) + +/* Flash Access Control Register bits */ +#define ACR_PRFTBS_Mask ((uint32_t)0x00000020) + +/* Flash Control Register bits */ +#define CR_PG_Set ((uint32_t)0x00000001) +#define CR_PG_Reset ((uint32_t)0x00001FFE) +#define CR_PER_Set ((uint32_t)0x00000002) +#define CR_PER_Reset ((uint32_t)0x00001FFD) +#define CR_MER_Set ((uint32_t)0x00000004) +#define CR_MER_Reset ((uint32_t)0x00001FFB) +#define CR_OPTPG_Set ((uint32_t)0x00000010) +#define CR_OPTPG_Reset ((uint32_t)0x00001FEF) +#define CR_OPTER_Set ((uint32_t)0x00000020) +#define CR_OPTER_Reset ((uint32_t)0x00001FDF) +#define CR_STRT_Set ((uint32_t)0x00000040) +#define CR_LOCK_Set ((uint32_t)0x00000080) + +/* FLASH Mask */ +#define RDPRT_Mask ((uint32_t)0x00000002) +#define WRP0_Mask ((uint32_t)0x000000FF) +#define WRP1_Mask ((uint32_t)0x0000FF00) +#define WRP2_Mask ((uint32_t)0x00FF0000) +#define WRP3_Mask ((uint32_t)0xFF000000) +#define OB_USER_BFB2 ((uint16_t)0x0008) + +/* FLASH Keys */ +#define RDP_Key ((uint16_t)0x00A5) +#define FLASH_KEY1 ((uint32_t)0x45670123) +#define FLASH_KEY2 ((uint32_t)0xCDEF89AB) + +/* FLASH BANK address */ +#define FLASH_BANK1_END_ADDRESS ((uint32_t)0x807FFFF) + +/* Delay definition */ +#define EraseTimeout ((uint32_t)0x000B0000) +#define ProgramTimeout ((uint32_t)0x00002000) +/** + * @} + */ + +/** @defgroup FLASH_Private_Macros + * @{ + */ + +/** + * @} + */ + +/** @defgroup FLASH_Private_Variables + * @{ + */ + +/** + * @} + */ + +/** @defgroup FLASH_Private_FunctionPrototypes + * @{ + */ + +/** + * @} + */ + +/** @defgroup FLASH_Private_Functions + * @{ + */ + +/** +@code + + This driver provides functions to configure and program the Flash memory of all STM32F10x devices, + including the latest STM32F10x_XL density devices. + + STM32F10x_XL devices feature up to 1 Mbyte with dual bank architecture for read-while-write (RWW) capability: + - bank1: fixed size of 512 Kbytes (256 pages of 2Kbytes each) + - bank2: up to 512 Kbytes (up to 256 pages of 2Kbytes each) + While other STM32F10x devices features only one bank with memory up to 512 Kbytes. + + In version V3.3.0, some functions were updated and new ones were added to support + STM32F10x_XL devices. Thus some functions manages all devices, while other are + dedicated for XL devices only. + + The table below presents the list of available functions depending on the used STM32F10x devices. + + *************************************************** + * Legacy functions used for all STM32F10x devices * + *************************************************** + +----------------------------------------------------------------------------------------------------------------------------------+ + | Functions prototypes |STM32F10x_XL|Other STM32F10x| Comments | + | | devices | devices | | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_SetLatency | Yes | Yes | No change | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_HalfCycleAccessCmd | Yes | Yes | No change | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_PrefetchBufferCmd | Yes | Yes | No change | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_Unlock | Yes | Yes | - For STM32F10X_XL devices: unlock Bank1 and Bank2. | + | | | | - For other devices: unlock Bank1 and it is equivalent | + | | | | to FLASH_UnlockBank1 function. | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_Lock | Yes | Yes | - For STM32F10X_XL devices: lock Bank1 and Bank2. | + | | | | - For other devices: lock Bank1 and it is equivalent | + | | | | to FLASH_LockBank1 function. | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_ErasePage | Yes | Yes | - For STM32F10x_XL devices: erase a page in Bank1 and Bank2 | + | | | | - For other devices: erase a page in Bank1 | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_EraseAllPages | Yes | Yes | - For STM32F10x_XL devices: erase all pages in Bank1 and Bank2 | + | | | | - For other devices: erase all pages in Bank1 | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_EraseOptionBytes | Yes | Yes | No change | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_ProgramWord | Yes | Yes | Updated to program up to 1MByte (depending on the used device) | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_ProgramHalfWord | Yes | Yes | Updated to program up to 1MByte (depending on the used device) | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_ProgramOptionByteData | Yes | Yes | No change | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_EnableWriteProtection | Yes | Yes | No change | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_ReadOutProtection | Yes | Yes | No change | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_UserOptionByteConfig | Yes | Yes | No change | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_GetUserOptionByte | Yes | Yes | No change | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_GetWriteProtectionOptionByte | Yes | Yes | No change | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_GetReadOutProtectionStatus | Yes | Yes | No change | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_GetPrefetchBufferStatus | Yes | Yes | No change | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_ITConfig | Yes | Yes | - For STM32F10x_XL devices: enable Bank1 and Bank2's interrupts| + | | | | - For other devices: enable Bank1's interrupts | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_GetFlagStatus | Yes | Yes | - For STM32F10x_XL devices: return Bank1 and Bank2's flag status| + | | | | - For other devices: return Bank1's flag status | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_ClearFlag | Yes | Yes | - For STM32F10x_XL devices: clear Bank1 and Bank2's flag | + | | | | - For other devices: clear Bank1's flag | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_GetStatus | Yes | Yes | - Return the status of Bank1 (for all devices) | + | | | | equivalent to FLASH_GetBank1Status function | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_WaitForLastOperation | Yes | Yes | - Wait for Bank1 last operation (for all devices) | + | | | | equivalent to: FLASH_WaitForLastBank1Operation function | + +----------------------------------------------------------------------------------------------------------------------------------+ + + ************************************************************************************************************************ + * New functions used for all STM32F10x devices to manage Bank1: * + * - These functions are mainly useful for STM32F10x_XL density devices, to have separate control for Bank1 and bank2 * + * - For other devices, these functions are optional (covered by functions listed above) * + ************************************************************************************************************************ + +----------------------------------------------------------------------------------------------------------------------------------+ + | Functions prototypes |STM32F10x_XL|Other STM32F10x| Comments | + | | devices | devices | | + |----------------------------------------------------------------------------------------------------------------------------------| + | FLASH_UnlockBank1 | Yes | Yes | - Unlock Bank1 | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_LockBank1 | Yes | Yes | - Lock Bank1 | + |----------------------------------------------------------------------------------------------------------------------------------| + | FLASH_EraseAllBank1Pages | Yes | Yes | - Erase all pages in Bank1 | + |----------------------------------------------------------------------------------------------------------------------------------| + | FLASH_GetBank1Status | Yes | Yes | - Return the status of Bank1 | + |----------------------------------------------------------------------------------------------------------------------------------| + | FLASH_WaitForLastBank1Operation | Yes | Yes | - Wait for Bank1 last operation | + +----------------------------------------------------------------------------------------------------------------------------------+ + + ***************************************************************************** + * New Functions used only with STM32F10x_XL density devices to manage Bank2 * + ***************************************************************************** + +----------------------------------------------------------------------------------------------------------------------------------+ + | Functions prototypes |STM32F10x_XL|Other STM32F10x| Comments | + | | devices | devices | | + |----------------------------------------------------------------------------------------------------------------------------------| + | FLASH_UnlockBank2 | Yes | No | - Unlock Bank2 | + |----------------------------------------------------------------------------------------------------------------------------------| + |FLASH_LockBank2 | Yes | No | - Lock Bank2 | + |----------------------------------------------------------------------------------------------------------------------------------| + | FLASH_EraseAllBank2Pages | Yes | No | - Erase all pages in Bank2 | + |----------------------------------------------------------------------------------------------------------------------------------| + | FLASH_GetBank2Status | Yes | No | - Return the status of Bank2 | + |----------------------------------------------------------------------------------------------------------------------------------| + | FLASH_WaitForLastBank2Operation | Yes | No | - Wait for Bank2 last operation | + |----------------------------------------------------------------------------------------------------------------------------------| + | FLASH_BootConfig | Yes | No | - Configure to boot from Bank1 or Bank2 | + +----------------------------------------------------------------------------------------------------------------------------------+ +@endcode +*/ + + +/** + * @brief Sets the code latency value. + * @note This function can be used for all STM32F10x devices. + * @param FLASH_Latency: specifies the FLASH Latency value. + * This parameter can be one of the following values: + * @arg FLASH_Latency_0: FLASH Zero Latency cycle + * @arg FLASH_Latency_1: FLASH One Latency cycle + * @arg FLASH_Latency_2: FLASH Two Latency cycles + * @retval None + */ +void FLASH_SetLatency(uint32_t FLASH_Latency) +{ + uint32_t tmpreg = 0; + + /* Check the parameters */ + assert_param(IS_FLASH_LATENCY(FLASH_Latency)); + + /* Read the ACR register */ + tmpreg = FLASH->ACR; + + /* Sets the Latency value */ + tmpreg &= ACR_LATENCY_Mask; + tmpreg |= FLASH_Latency; + + /* Write the ACR register */ + FLASH->ACR = tmpreg; +} + +/** + * @brief Enables or disables the Half cycle flash access. + * @note This function can be used for all STM32F10x devices. + * @param FLASH_HalfCycleAccess: specifies the FLASH Half cycle Access mode. + * This parameter can be one of the following values: + * @arg FLASH_HalfCycleAccess_Enable: FLASH Half Cycle Enable + * @arg FLASH_HalfCycleAccess_Disable: FLASH Half Cycle Disable + * @retval None + */ +void FLASH_HalfCycleAccessCmd(uint32_t FLASH_HalfCycleAccess) +{ + /* Check the parameters */ + assert_param(IS_FLASH_HALFCYCLEACCESS_STATE(FLASH_HalfCycleAccess)); + + /* Enable or disable the Half cycle access */ + FLASH->ACR &= ACR_HLFCYA_Mask; + FLASH->ACR |= FLASH_HalfCycleAccess; +} + +/** + * @brief Enables or disables the Prefetch Buffer. + * @note This function can be used for all STM32F10x devices. + * @param FLASH_PrefetchBuffer: specifies the Prefetch buffer status. + * This parameter can be one of the following values: + * @arg FLASH_PrefetchBuffer_Enable: FLASH Prefetch Buffer Enable + * @arg FLASH_PrefetchBuffer_Disable: FLASH Prefetch Buffer Disable + * @retval None + */ +void FLASH_PrefetchBufferCmd(uint32_t FLASH_PrefetchBuffer) +{ + /* Check the parameters */ + assert_param(IS_FLASH_PREFETCHBUFFER_STATE(FLASH_PrefetchBuffer)); + + /* Enable or disable the Prefetch Buffer */ + FLASH->ACR &= ACR_PRFTBE_Mask; + FLASH->ACR |= FLASH_PrefetchBuffer; +} + +/** + * @brief Unlocks the FLASH Program Erase Controller. + * @note This function can be used for all STM32F10x devices. + * - For STM32F10X_XL devices this function unlocks Bank1 and Bank2. + * - For all other devices it unlocks Bank1 and it is equivalent + * to FLASH_UnlockBank1 function.. + * @param None + * @retval None + */ +void FLASH_Unlock(void) +{ + /* Authorize the FPEC of Bank1 Access */ + FLASH->KEYR = FLASH_KEY1; + FLASH->KEYR = FLASH_KEY2; + +#ifdef STM32F10X_XL + /* Authorize the FPEC of Bank2 Access */ + FLASH->KEYR2 = FLASH_KEY1; + FLASH->KEYR2 = FLASH_KEY2; +#endif /* STM32F10X_XL */ +} +/** + * @brief Unlocks the FLASH Bank1 Program Erase Controller. + * @note This function can be used for all STM32F10x devices. + * - For STM32F10X_XL devices this function unlocks Bank1. + * - For all other devices it unlocks Bank1 and it is + * equivalent to FLASH_Unlock function. + * @param None + * @retval None + */ +void FLASH_UnlockBank1(void) +{ + /* Authorize the FPEC of Bank1 Access */ + FLASH->KEYR = FLASH_KEY1; + FLASH->KEYR = FLASH_KEY2; +} + +#ifdef STM32F10X_XL +/** + * @brief Unlocks the FLASH Bank2 Program Erase Controller. + * @note This function can be used only for STM32F10X_XL density devices. + * @param None + * @retval None + */ +void FLASH_UnlockBank2(void) +{ + /* Authorize the FPEC of Bank2 Access */ + FLASH->KEYR2 = FLASH_KEY1; + FLASH->KEYR2 = FLASH_KEY2; + +} +#endif /* STM32F10X_XL */ + +/** + * @brief Locks the FLASH Program Erase Controller. + * @note This function can be used for all STM32F10x devices. + * - For STM32F10X_XL devices this function Locks Bank1 and Bank2. + * - For all other devices it Locks Bank1 and it is equivalent + * to FLASH_LockBank1 function. + * @param None + * @retval None + */ +void FLASH_Lock(void) +{ + /* Set the Lock Bit to lock the FPEC and the CR of Bank1 */ + FLASH->CR |= CR_LOCK_Set; + +#ifdef STM32F10X_XL + /* Set the Lock Bit to lock the FPEC and the CR of Bank2 */ + FLASH->CR2 |= CR_LOCK_Set; +#endif /* STM32F10X_XL */ +} + +/** + * @brief Locks the FLASH Bank1 Program Erase Controller. + * @note this function can be used for all STM32F10x devices. + * - For STM32F10X_XL devices this function Locks Bank1. + * - For all other devices it Locks Bank1 and it is equivalent + * to FLASH_Lock function. + * @param None + * @retval None + */ +void FLASH_LockBank1(void) +{ + /* Set the Lock Bit to lock the FPEC and the CR of Bank1 */ + FLASH->CR |= CR_LOCK_Set; +} + +#ifdef STM32F10X_XL +/** + * @brief Locks the FLASH Bank2 Program Erase Controller. + * @note This function can be used only for STM32F10X_XL density devices. + * @param None + * @retval None + */ +void FLASH_LockBank2(void) +{ + /* Set the Lock Bit to lock the FPEC and the CR of Bank2 */ + FLASH->CR2 |= CR_LOCK_Set; +} +#endif /* STM32F10X_XL */ + +/** + * @brief Erases a specified FLASH page. + * @note This function can be used for all STM32F10x devices. + * @param Page_Address: The page address to be erased. + * @retval FLASH Status: The returned value can be: FLASH_BUSY, FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_ErasePage(uint32_t Page_Address) +{ + FLASH_Status status = FLASH_COMPLETE; + /* Check the parameters */ + assert_param(IS_FLASH_ADDRESS(Page_Address)); + +#ifdef STM32F10X_XL + if(Page_Address < FLASH_BANK1_END_ADDRESS) + { + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank1Operation(EraseTimeout); + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to erase the page */ + FLASH->CR|= CR_PER_Set; + FLASH->AR = Page_Address; + FLASH->CR|= CR_STRT_Set; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank1Operation(EraseTimeout); + + /* Disable the PER Bit */ + FLASH->CR &= CR_PER_Reset; + } + } + else + { + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank2Operation(EraseTimeout); + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to erase the page */ + FLASH->CR2|= CR_PER_Set; + FLASH->AR2 = Page_Address; + FLASH->CR2|= CR_STRT_Set; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank2Operation(EraseTimeout); + + /* Disable the PER Bit */ + FLASH->CR2 &= CR_PER_Reset; + } + } +#else + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(EraseTimeout); + + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to erase the page */ + FLASH->CR|= CR_PER_Set; + FLASH->AR = Page_Address; + FLASH->CR|= CR_STRT_Set; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(EraseTimeout); + + /* Disable the PER Bit */ + FLASH->CR &= CR_PER_Reset; + } +#endif /* STM32F10X_XL */ + + /* Return the Erase Status */ + return status; +} + +/** + * @brief Erases all FLASH pages. + * @note This function can be used for all STM32F10x devices. + * @param None + * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_EraseAllPages(void) +{ + FLASH_Status status = FLASH_COMPLETE; + +#ifdef STM32F10X_XL + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank1Operation(EraseTimeout); + + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to erase all pages */ + FLASH->CR |= CR_MER_Set; + FLASH->CR |= CR_STRT_Set; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank1Operation(EraseTimeout); + + /* Disable the MER Bit */ + FLASH->CR &= CR_MER_Reset; + } + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to erase all pages */ + FLASH->CR2 |= CR_MER_Set; + FLASH->CR2 |= CR_STRT_Set; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank2Operation(EraseTimeout); + + /* Disable the MER Bit */ + FLASH->CR2 &= CR_MER_Reset; + } +#else + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(EraseTimeout); + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to erase all pages */ + FLASH->CR |= CR_MER_Set; + FLASH->CR |= CR_STRT_Set; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(EraseTimeout); + + /* Disable the MER Bit */ + FLASH->CR &= CR_MER_Reset; + } +#endif /* STM32F10X_XL */ + + /* Return the Erase Status */ + return status; +} + +/** + * @brief Erases all Bank1 FLASH pages. + * @note This function can be used for all STM32F10x devices. + * - For STM32F10X_XL devices this function erases all Bank1 pages. + * - For all other devices it erases all Bank1 pages and it is equivalent + * to FLASH_EraseAllPages function. + * @param None + * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_EraseAllBank1Pages(void) +{ + FLASH_Status status = FLASH_COMPLETE; + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank1Operation(EraseTimeout); + + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to erase all pages */ + FLASH->CR |= CR_MER_Set; + FLASH->CR |= CR_STRT_Set; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank1Operation(EraseTimeout); + + /* Disable the MER Bit */ + FLASH->CR &= CR_MER_Reset; + } + /* Return the Erase Status */ + return status; +} + +#ifdef STM32F10X_XL +/** + * @brief Erases all Bank2 FLASH pages. + * @note This function can be used only for STM32F10x_XL density devices. + * @param None + * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_EraseAllBank2Pages(void) +{ + FLASH_Status status = FLASH_COMPLETE; + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank2Operation(EraseTimeout); + + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to erase all pages */ + FLASH->CR2 |= CR_MER_Set; + FLASH->CR2 |= CR_STRT_Set; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank2Operation(EraseTimeout); + + /* Disable the MER Bit */ + FLASH->CR2 &= CR_MER_Reset; + } + /* Return the Erase Status */ + return status; +} +#endif /* STM32F10X_XL */ + +/** + * @brief Erases the FLASH option bytes. + * @note This functions erases all option bytes except the Read protection (RDP). + * @note This function can be used for all STM32F10x devices. + * @param None + * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_EraseOptionBytes(void) +{ + uint16_t rdptmp = RDP_Key; + + FLASH_Status status = FLASH_COMPLETE; + + /* Get the actual read protection Option Byte value */ + if(FLASH_GetReadOutProtectionStatus() != RESET) + { + rdptmp = 0x00; + } + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(EraseTimeout); + if(status == FLASH_COMPLETE) + { + /* Authorize the small information block programming */ + FLASH->OPTKEYR = FLASH_KEY1; + FLASH->OPTKEYR = FLASH_KEY2; + + /* if the previous operation is completed, proceed to erase the option bytes */ + FLASH->CR |= CR_OPTER_Set; + FLASH->CR |= CR_STRT_Set; + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(EraseTimeout); + + if(status == FLASH_COMPLETE) + { + /* if the erase operation is completed, disable the OPTER Bit */ + FLASH->CR &= CR_OPTER_Reset; + + /* Enable the Option Bytes Programming operation */ + FLASH->CR |= CR_OPTPG_Set; + /* Restore the last read protection Option Byte value */ + OB->RDP = (uint16_t)rdptmp; + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + + if(status != FLASH_TIMEOUT) + { + /* if the program operation is completed, disable the OPTPG Bit */ + FLASH->CR &= CR_OPTPG_Reset; + } + } + else + { + if (status != FLASH_TIMEOUT) + { + /* Disable the OPTPG Bit */ + FLASH->CR &= CR_OPTPG_Reset; + } + } + } + /* Return the erase status */ + return status; +} + +/** + * @brief Programs a word at a specified address. + * @note This function can be used for all STM32F10x devices. + * @param Address: specifies the address to be programmed. + * @param Data: specifies the data to be programmed. + * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_ProgramWord(uint32_t Address, uint32_t Data) +{ + FLASH_Status status = FLASH_COMPLETE; + __IO uint32_t tmp = 0; + + /* Check the parameters */ + assert_param(IS_FLASH_ADDRESS(Address)); + +#ifdef STM32F10X_XL + if(Address < FLASH_BANK1_END_ADDRESS - 2) + { + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank1Operation(ProgramTimeout); + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to program the new first + half word */ + FLASH->CR |= CR_PG_Set; + + *(__IO uint16_t*)Address = (uint16_t)Data; + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to program the new second + half word */ + tmp = Address + 2; + + *(__IO uint16_t*) tmp = Data >> 16; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + + /* Disable the PG Bit */ + FLASH->CR &= CR_PG_Reset; + } + else + { + /* Disable the PG Bit */ + FLASH->CR &= CR_PG_Reset; + } + } + } + else if(Address == (FLASH_BANK1_END_ADDRESS - 1)) + { + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank1Operation(ProgramTimeout); + + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to program the new first + half word */ + FLASH->CR |= CR_PG_Set; + + *(__IO uint16_t*)Address = (uint16_t)Data; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank1Operation(ProgramTimeout); + + /* Disable the PG Bit */ + FLASH->CR &= CR_PG_Reset; + } + else + { + /* Disable the PG Bit */ + FLASH->CR &= CR_PG_Reset; + } + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank2Operation(ProgramTimeout); + + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to program the new second + half word */ + FLASH->CR2 |= CR_PG_Set; + tmp = Address + 2; + + *(__IO uint16_t*) tmp = Data >> 16; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank2Operation(ProgramTimeout); + + /* Disable the PG Bit */ + FLASH->CR2 &= CR_PG_Reset; + } + else + { + /* Disable the PG Bit */ + FLASH->CR2 &= CR_PG_Reset; + } + } + else + { + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank2Operation(ProgramTimeout); + + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to program the new first + half word */ + FLASH->CR2 |= CR_PG_Set; + + *(__IO uint16_t*)Address = (uint16_t)Data; + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank2Operation(ProgramTimeout); + + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to program the new second + half word */ + tmp = Address + 2; + + *(__IO uint16_t*) tmp = Data >> 16; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank2Operation(ProgramTimeout); + + /* Disable the PG Bit */ + FLASH->CR2 &= CR_PG_Reset; + } + else + { + /* Disable the PG Bit */ + FLASH->CR2 &= CR_PG_Reset; + } + } + } +#else + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to program the new first + half word */ + FLASH->CR |= CR_PG_Set; + + *(__IO uint16_t*)Address = (uint16_t)Data; + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to program the new second + half word */ + tmp = Address + 2; + + *(__IO uint16_t*) tmp = Data >> 16; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + + /* Disable the PG Bit */ + FLASH->CR &= CR_PG_Reset; + } + else + { + /* Disable the PG Bit */ + FLASH->CR &= CR_PG_Reset; + } + } +#endif /* STM32F10X_XL */ + + /* Return the Program Status */ + return status; +} + +/** + * @brief Programs a half word at a specified address. + * @note This function can be used for all STM32F10x devices. + * @param Address: specifies the address to be programmed. + * @param Data: specifies the data to be programmed. + * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data) +{ + FLASH_Status status = FLASH_COMPLETE; + /* Check the parameters */ + assert_param(IS_FLASH_ADDRESS(Address)); + +#ifdef STM32F10X_XL + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + + if(Address < FLASH_BANK1_END_ADDRESS) + { + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to program the new data */ + FLASH->CR |= CR_PG_Set; + + *(__IO uint16_t*)Address = Data; + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank1Operation(ProgramTimeout); + + /* Disable the PG Bit */ + FLASH->CR &= CR_PG_Reset; + } + } + else + { + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to program the new data */ + FLASH->CR2 |= CR_PG_Set; + + *(__IO uint16_t*)Address = Data; + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastBank2Operation(ProgramTimeout); + + /* Disable the PG Bit */ + FLASH->CR2 &= CR_PG_Reset; + } + } +#else + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + + if(status == FLASH_COMPLETE) + { + /* if the previous operation is completed, proceed to program the new data */ + FLASH->CR |= CR_PG_Set; + + *(__IO uint16_t*)Address = Data; + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + + /* Disable the PG Bit */ + FLASH->CR &= CR_PG_Reset; + } +#endif /* STM32F10X_XL */ + + /* Return the Program Status */ + return status; +} + +/** + * @brief Programs a half word at a specified Option Byte Data address. + * @note This function can be used for all STM32F10x devices. + * @param Address: specifies the address to be programmed. + * This parameter can be 0x1FFFF804 or 0x1FFFF806. + * @param Data: specifies the data to be programmed. + * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_ProgramOptionByteData(uint32_t Address, uint8_t Data) +{ + FLASH_Status status = FLASH_COMPLETE; + /* Check the parameters */ + assert_param(IS_OB_DATA_ADDRESS(Address)); + status = FLASH_WaitForLastOperation(ProgramTimeout); + + if(status == FLASH_COMPLETE) + { + /* Authorize the small information block programming */ + FLASH->OPTKEYR = FLASH_KEY1; + FLASH->OPTKEYR = FLASH_KEY2; + /* Enables the Option Bytes Programming operation */ + FLASH->CR |= CR_OPTPG_Set; + *(__IO uint16_t*)Address = Data; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + if(status != FLASH_TIMEOUT) + { + /* if the program operation is completed, disable the OPTPG Bit */ + FLASH->CR &= CR_OPTPG_Reset; + } + } + /* Return the Option Byte Data Program Status */ + return status; +} + +/** + * @brief Write protects the desired pages + * @note This function can be used for all STM32F10x devices. + * @param FLASH_Pages: specifies the address of the pages to be write protected. + * This parameter can be: + * @arg For @b STM32_Low-density_devices: value between FLASH_WRProt_Pages0to3 and FLASH_WRProt_Pages28to31 + * @arg For @b STM32_Medium-density_devices: value between FLASH_WRProt_Pages0to3 + * and FLASH_WRProt_Pages124to127 + * @arg For @b STM32_High-density_devices: value between FLASH_WRProt_Pages0to1 and + * FLASH_WRProt_Pages60to61 or FLASH_WRProt_Pages62to255 + * @arg For @b STM32_Connectivity_line_devices: value between FLASH_WRProt_Pages0to1 and + * FLASH_WRProt_Pages60to61 or FLASH_WRProt_Pages62to127 + * @arg For @b STM32_XL-density_devices: value between FLASH_WRProt_Pages0to1 and + * FLASH_WRProt_Pages60to61 or FLASH_WRProt_Pages62to511 + * @arg FLASH_WRProt_AllPages + * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_EnableWriteProtection(uint32_t FLASH_Pages) +{ + uint16_t WRP0_Data = 0xFFFF, WRP1_Data = 0xFFFF, WRP2_Data = 0xFFFF, WRP3_Data = 0xFFFF; + + FLASH_Status status = FLASH_COMPLETE; + + /* Check the parameters */ + assert_param(IS_FLASH_WRPROT_PAGE(FLASH_Pages)); + + FLASH_Pages = (uint32_t)(~FLASH_Pages); + WRP0_Data = (uint16_t)(FLASH_Pages & WRP0_Mask); + WRP1_Data = (uint16_t)((FLASH_Pages & WRP1_Mask) >> 8); + WRP2_Data = (uint16_t)((FLASH_Pages & WRP2_Mask) >> 16); + WRP3_Data = (uint16_t)((FLASH_Pages & WRP3_Mask) >> 24); + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + + if(status == FLASH_COMPLETE) + { + /* Authorizes the small information block programming */ + FLASH->OPTKEYR = FLASH_KEY1; + FLASH->OPTKEYR = FLASH_KEY2; + FLASH->CR |= CR_OPTPG_Set; + if(WRP0_Data != 0xFF) + { + OB->WRP0 = WRP0_Data; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + } + if((status == FLASH_COMPLETE) && (WRP1_Data != 0xFF)) + { + OB->WRP1 = WRP1_Data; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + } + if((status == FLASH_COMPLETE) && (WRP2_Data != 0xFF)) + { + OB->WRP2 = WRP2_Data; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + } + + if((status == FLASH_COMPLETE)&& (WRP3_Data != 0xFF)) + { + OB->WRP3 = WRP3_Data; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + } + + if(status != FLASH_TIMEOUT) + { + /* if the program operation is completed, disable the OPTPG Bit */ + FLASH->CR &= CR_OPTPG_Reset; + } + } + /* Return the write protection operation Status */ + return status; +} + +/** + * @brief Enables or disables the read out protection. + * @note If the user has already programmed the other option bytes before calling + * this function, he must re-program them since this function erases all option bytes. + * @note This function can be used for all STM32F10x devices. + * @param Newstate: new state of the ReadOut Protection. + * This parameter can be: ENABLE or DISABLE. + * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_ReadOutProtection(FunctionalState NewState) +{ + FLASH_Status status = FLASH_COMPLETE; + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + status = FLASH_WaitForLastOperation(EraseTimeout); + if(status == FLASH_COMPLETE) + { + /* Authorizes the small information block programming */ + FLASH->OPTKEYR = FLASH_KEY1; + FLASH->OPTKEYR = FLASH_KEY2; + FLASH->CR |= CR_OPTER_Set; + FLASH->CR |= CR_STRT_Set; + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(EraseTimeout); + if(status == FLASH_COMPLETE) + { + /* if the erase operation is completed, disable the OPTER Bit */ + FLASH->CR &= CR_OPTER_Reset; + /* Enable the Option Bytes Programming operation */ + FLASH->CR |= CR_OPTPG_Set; + if(NewState != DISABLE) + { + OB->RDP = 0x00; + } + else + { + OB->RDP = RDP_Key; + } + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(EraseTimeout); + + if(status != FLASH_TIMEOUT) + { + /* if the program operation is completed, disable the OPTPG Bit */ + FLASH->CR &= CR_OPTPG_Reset; + } + } + else + { + if(status != FLASH_TIMEOUT) + { + /* Disable the OPTER Bit */ + FLASH->CR &= CR_OPTER_Reset; + } + } + } + /* Return the protection operation Status */ + return status; +} + +/** + * @brief Programs the FLASH User Option Byte: IWDG_SW / RST_STOP / RST_STDBY. + * @note This function can be used for all STM32F10x devices. + * @param OB_IWDG: Selects the IWDG mode + * This parameter can be one of the following values: + * @arg OB_IWDG_SW: Software IWDG selected + * @arg OB_IWDG_HW: Hardware IWDG selected + * @param OB_STOP: Reset event when entering STOP mode. + * This parameter can be one of the following values: + * @arg OB_STOP_NoRST: No reset generated when entering in STOP + * @arg OB_STOP_RST: Reset generated when entering in STOP + * @param OB_STDBY: Reset event when entering Standby mode. + * This parameter can be one of the following values: + * @arg OB_STDBY_NoRST: No reset generated when entering in STANDBY + * @arg OB_STDBY_RST: Reset generated when entering in STANDBY + * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_UserOptionByteConfig(uint16_t OB_IWDG, uint16_t OB_STOP, uint16_t OB_STDBY) +{ + FLASH_Status status = FLASH_COMPLETE; + + /* Check the parameters */ + assert_param(IS_OB_IWDG_SOURCE(OB_IWDG)); + assert_param(IS_OB_STOP_SOURCE(OB_STOP)); + assert_param(IS_OB_STDBY_SOURCE(OB_STDBY)); + + /* Authorize the small information block programming */ + FLASH->OPTKEYR = FLASH_KEY1; + FLASH->OPTKEYR = FLASH_KEY2; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + + if(status == FLASH_COMPLETE) + { + /* Enable the Option Bytes Programming operation */ + FLASH->CR |= CR_OPTPG_Set; + + OB->USER = OB_IWDG | (uint16_t)(OB_STOP | (uint16_t)(OB_STDBY | ((uint16_t)0xF8))); + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + if(status != FLASH_TIMEOUT) + { + /* if the program operation is completed, disable the OPTPG Bit */ + FLASH->CR &= CR_OPTPG_Reset; + } + } + /* Return the Option Byte program Status */ + return status; +} + +#ifdef STM32F10X_XL +/** + * @brief Configures to boot from Bank1 or Bank2. + * @note This function can be used only for STM32F10x_XL density devices. + * @param FLASH_BOOT: select the FLASH Bank to boot from. + * This parameter can be one of the following values: + * @arg FLASH_BOOT_Bank1: At startup, if boot pins are set in boot from user Flash + * position and this parameter is selected the device will boot from Bank1(Default). + * @arg FLASH_BOOT_Bank2: At startup, if boot pins are set in boot from user Flash + * position and this parameter is selected the device will boot from Bank2 or Bank1, + * depending on the activation of the bank. The active banks are checked in + * the following order: Bank2, followed by Bank1. + * The active bank is recognized by the value programmed at the base address + * of the respective bank (corresponding to the initial stack pointer value + * in the interrupt vector table). + * For more information, please refer to AN2606 from www.st.com. + * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_BootConfig(uint16_t FLASH_BOOT) +{ + FLASH_Status status = FLASH_COMPLETE; + assert_param(IS_FLASH_BOOT(FLASH_BOOT)); + /* Authorize the small information block programming */ + FLASH->OPTKEYR = FLASH_KEY1; + FLASH->OPTKEYR = FLASH_KEY2; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + + if(status == FLASH_COMPLETE) + { + /* Enable the Option Bytes Programming operation */ + FLASH->CR |= CR_OPTPG_Set; + + if(FLASH_BOOT == FLASH_BOOT_Bank1) + { + OB->USER |= OB_USER_BFB2; + } + else + { + OB->USER &= (uint16_t)(~(uint16_t)(OB_USER_BFB2)); + } + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation(ProgramTimeout); + if(status != FLASH_TIMEOUT) + { + /* if the program operation is completed, disable the OPTPG Bit */ + FLASH->CR &= CR_OPTPG_Reset; + } + } + /* Return the Option Byte program Status */ + return status; +} +#endif /* STM32F10X_XL */ + +/** + * @brief Returns the FLASH User Option Bytes values. + * @note This function can be used for all STM32F10x devices. + * @param None + * @retval The FLASH User Option Bytes values:IWDG_SW(Bit0), RST_STOP(Bit1) + * and RST_STDBY(Bit2). + */ +uint32_t FLASH_GetUserOptionByte(void) +{ + /* Return the User Option Byte */ + return (uint32_t)(FLASH->OBR >> 2); +} + +/** + * @brief Returns the FLASH Write Protection Option Bytes Register value. + * @note This function can be used for all STM32F10x devices. + * @param None + * @retval The FLASH Write Protection Option Bytes Register value + */ +uint32_t FLASH_GetWriteProtectionOptionByte(void) +{ + /* Return the Flash write protection Register value */ + return (uint32_t)(FLASH->WRPR); +} + +/** + * @brief Checks whether the FLASH Read Out Protection Status is set or not. + * @note This function can be used for all STM32F10x devices. + * @param None + * @retval FLASH ReadOut Protection Status(SET or RESET) + */ +FlagStatus FLASH_GetReadOutProtectionStatus(void) +{ + FlagStatus readoutstatus = RESET; + if ((FLASH->OBR & RDPRT_Mask) != (uint32_t)RESET) + { + readoutstatus = SET; + } + else + { + readoutstatus = RESET; + } + return readoutstatus; +} + +/** + * @brief Checks whether the FLASH Prefetch Buffer status is set or not. + * @note This function can be used for all STM32F10x devices. + * @param None + * @retval FLASH Prefetch Buffer Status (SET or RESET). + */ +FlagStatus FLASH_GetPrefetchBufferStatus(void) +{ + FlagStatus bitstatus = RESET; + + if ((FLASH->ACR & ACR_PRFTBS_Mask) != (uint32_t)RESET) + { + bitstatus = SET; + } + else + { + bitstatus = RESET; + } + /* Return the new state of FLASH Prefetch Buffer Status (SET or RESET) */ + return bitstatus; +} + +/** + * @brief Enables or disables the specified FLASH interrupts. + * @note This function can be used for all STM32F10x devices. + * - For STM32F10X_XL devices, enables or disables the specified FLASH interrupts + for Bank1 and Bank2. + * - For other devices it enables or disables the specified FLASH interrupts for Bank1. + * @param FLASH_IT: specifies the FLASH interrupt sources to be enabled or disabled. + * This parameter can be any combination of the following values: + * @arg FLASH_IT_ERROR: FLASH Error Interrupt + * @arg FLASH_IT_EOP: FLASH end of operation Interrupt + * @param NewState: new state of the specified Flash interrupts. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void FLASH_ITConfig(uint32_t FLASH_IT, FunctionalState NewState) +{ +#ifdef STM32F10X_XL + /* Check the parameters */ + assert_param(IS_FLASH_IT(FLASH_IT)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if((FLASH_IT & 0x80000000) != 0x0) + { + if(NewState != DISABLE) + { + /* Enable the interrupt sources */ + FLASH->CR2 |= (FLASH_IT & 0x7FFFFFFF); + } + else + { + /* Disable the interrupt sources */ + FLASH->CR2 &= ~(uint32_t)(FLASH_IT & 0x7FFFFFFF); + } + } + else + { + if(NewState != DISABLE) + { + /* Enable the interrupt sources */ + FLASH->CR |= FLASH_IT; + } + else + { + /* Disable the interrupt sources */ + FLASH->CR &= ~(uint32_t)FLASH_IT; + } + } +#else + /* Check the parameters */ + assert_param(IS_FLASH_IT(FLASH_IT)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if(NewState != DISABLE) + { + /* Enable the interrupt sources */ + FLASH->CR |= FLASH_IT; + } + else + { + /* Disable the interrupt sources */ + FLASH->CR &= ~(uint32_t)FLASH_IT; + } +#endif /* STM32F10X_XL */ +} + +/** + * @brief Checks whether the specified FLASH flag is set or not. + * @note This function can be used for all STM32F10x devices. + * - For STM32F10X_XL devices, this function checks whether the specified + * Bank1 or Bank2 flag is set or not. + * - For other devices, it checks whether the specified Bank1 flag is + * set or not. + * @param FLASH_FLAG: specifies the FLASH flag to check. + * This parameter can be one of the following values: + * @arg FLASH_FLAG_BSY: FLASH Busy flag + * @arg FLASH_FLAG_PGERR: FLASH Program error flag + * @arg FLASH_FLAG_WRPRTERR: FLASH Write protected error flag + * @arg FLASH_FLAG_EOP: FLASH End of Operation flag + * @arg FLASH_FLAG_OPTERR: FLASH Option Byte error flag + * @retval The new state of FLASH_FLAG (SET or RESET). + */ +FlagStatus FLASH_GetFlagStatus(uint32_t FLASH_FLAG) +{ + FlagStatus bitstatus = RESET; + +#ifdef STM32F10X_XL + /* Check the parameters */ + assert_param(IS_FLASH_GET_FLAG(FLASH_FLAG)) ; + if(FLASH_FLAG == FLASH_FLAG_OPTERR) + { + if((FLASH->OBR & FLASH_FLAG_OPTERR) != (uint32_t)RESET) + { + bitstatus = SET; + } + else + { + bitstatus = RESET; + } + } + else + { + if((FLASH_FLAG & 0x80000000) != 0x0) + { + if((FLASH->SR2 & FLASH_FLAG) != (uint32_t)RESET) + { + bitstatus = SET; + } + else + { + bitstatus = RESET; + } + } + else + { + if((FLASH->SR & FLASH_FLAG) != (uint32_t)RESET) + { + bitstatus = SET; + } + else + { + bitstatus = RESET; + } + } + } +#else + /* Check the parameters */ + assert_param(IS_FLASH_GET_FLAG(FLASH_FLAG)) ; + if(FLASH_FLAG == FLASH_FLAG_OPTERR) + { + if((FLASH->OBR & FLASH_FLAG_OPTERR) != (uint32_t)RESET) + { + bitstatus = SET; + } + else + { + bitstatus = RESET; + } + } + else + { + if((FLASH->SR & FLASH_FLAG) != (uint32_t)RESET) + { + bitstatus = SET; + } + else + { + bitstatus = RESET; + } + } +#endif /* STM32F10X_XL */ + + /* Return the new state of FLASH_FLAG (SET or RESET) */ + return bitstatus; +} + +/** + * @brief Clears the FLASH's pending flags. + * @note This function can be used for all STM32F10x devices. + * - For STM32F10X_XL devices, this function clears Bank1 or Bank2s pending flags + * - For other devices, it clears Bank1s pending flags. + * @param FLASH_FLAG: specifies the FLASH flags to clear. + * This parameter can be any combination of the following values: + * @arg FLASH_FLAG_PGERR: FLASH Program error flag + * @arg FLASH_FLAG_WRPRTERR: FLASH Write protected error flag + * @arg FLASH_FLAG_EOP: FLASH End of Operation flag + * @retval None + */ +void FLASH_ClearFlag(uint32_t FLASH_FLAG) +{ +#ifdef STM32F10X_XL + /* Check the parameters */ + assert_param(IS_FLASH_CLEAR_FLAG(FLASH_FLAG)) ; + + if((FLASH_FLAG & 0x80000000) != 0x0) + { + /* Clear the flags */ + FLASH->SR2 = FLASH_FLAG; + } + else + { + /* Clear the flags */ + FLASH->SR = FLASH_FLAG; + } + +#else + /* Check the parameters */ + assert_param(IS_FLASH_CLEAR_FLAG(FLASH_FLAG)) ; + + /* Clear the flags */ + FLASH->SR = FLASH_FLAG; +#endif /* STM32F10X_XL */ +} + +/** + * @brief Returns the FLASH Status. + * @note This function can be used for all STM32F10x devices, it is equivalent + * to FLASH_GetBank1Status function. + * @param None + * @retval FLASH Status: The returned value can be: FLASH_BUSY, FLASH_ERROR_PG, + * FLASH_ERROR_WRP or FLASH_COMPLETE + */ +FLASH_Status FLASH_GetStatus(void) +{ + FLASH_Status flashstatus = FLASH_COMPLETE; + + if((FLASH->SR & FLASH_FLAG_BSY) == FLASH_FLAG_BSY) + { + flashstatus = FLASH_BUSY; + } + else + { + if((FLASH->SR & FLASH_FLAG_PGERR) != 0) + { + flashstatus = FLASH_ERROR_PG; + } + else + { + if((FLASH->SR & FLASH_FLAG_WRPRTERR) != 0 ) + { + flashstatus = FLASH_ERROR_WRP; + } + else + { + flashstatus = FLASH_COMPLETE; + } + } + } + /* Return the Flash Status */ + return flashstatus; +} + +/** + * @brief Returns the FLASH Bank1 Status. + * @note This function can be used for all STM32F10x devices, it is equivalent + * to FLASH_GetStatus function. + * @param None + * @retval FLASH Status: The returned value can be: FLASH_BUSY, FLASH_ERROR_PG, + * FLASH_ERROR_WRP or FLASH_COMPLETE + */ +FLASH_Status FLASH_GetBank1Status(void) +{ + FLASH_Status flashstatus = FLASH_COMPLETE; + + if((FLASH->SR & FLASH_FLAG_BANK1_BSY) == FLASH_FLAG_BSY) + { + flashstatus = FLASH_BUSY; + } + else + { + if((FLASH->SR & FLASH_FLAG_BANK1_PGERR) != 0) + { + flashstatus = FLASH_ERROR_PG; + } + else + { + if((FLASH->SR & FLASH_FLAG_BANK1_WRPRTERR) != 0 ) + { + flashstatus = FLASH_ERROR_WRP; + } + else + { + flashstatus = FLASH_COMPLETE; + } + } + } + /* Return the Flash Status */ + return flashstatus; +} + +#ifdef STM32F10X_XL +/** + * @brief Returns the FLASH Bank2 Status. + * @note This function can be used for STM32F10x_XL density devices. + * @param None + * @retval FLASH Status: The returned value can be: FLASH_BUSY, FLASH_ERROR_PG, + * FLASH_ERROR_WRP or FLASH_COMPLETE + */ +FLASH_Status FLASH_GetBank2Status(void) +{ + FLASH_Status flashstatus = FLASH_COMPLETE; + + if((FLASH->SR2 & (FLASH_FLAG_BANK2_BSY & 0x7FFFFFFF)) == (FLASH_FLAG_BANK2_BSY & 0x7FFFFFFF)) + { + flashstatus = FLASH_BUSY; + } + else + { + if((FLASH->SR2 & (FLASH_FLAG_BANK2_PGERR & 0x7FFFFFFF)) != 0) + { + flashstatus = FLASH_ERROR_PG; + } + else + { + if((FLASH->SR2 & (FLASH_FLAG_BANK2_WRPRTERR & 0x7FFFFFFF)) != 0 ) + { + flashstatus = FLASH_ERROR_WRP; + } + else + { + flashstatus = FLASH_COMPLETE; + } + } + } + /* Return the Flash Status */ + return flashstatus; +} +#endif /* STM32F10X_XL */ +/** + * @brief Waits for a Flash operation to complete or a TIMEOUT to occur. + * @note This function can be used for all STM32F10x devices, + * it is equivalent to FLASH_WaitForLastBank1Operation. + * - For STM32F10X_XL devices this function waits for a Bank1 Flash operation + * to complete or a TIMEOUT to occur. + * - For all other devices it waits for a Flash operation to complete + * or a TIMEOUT to occur. + * @param Timeout: FLASH programming Timeout + * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_WaitForLastOperation(uint32_t Timeout) +{ + FLASH_Status status = FLASH_COMPLETE; + + /* Check for the Flash Status */ + status = FLASH_GetBank1Status(); + /* Wait for a Flash operation to complete or a TIMEOUT to occur */ + while((status == FLASH_BUSY) && (Timeout != 0x00)) + { + status = FLASH_GetBank1Status(); + Timeout--; + } + if(Timeout == 0x00 ) + { + status = FLASH_TIMEOUT; + } + /* Return the operation status */ + return status; +} + +/** + * @brief Waits for a Flash operation on Bank1 to complete or a TIMEOUT to occur. + * @note This function can be used for all STM32F10x devices, + * it is equivalent to FLASH_WaitForLastOperation. + * @param Timeout: FLASH programming Timeout + * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_WaitForLastBank1Operation(uint32_t Timeout) +{ + FLASH_Status status = FLASH_COMPLETE; + + /* Check for the Flash Status */ + status = FLASH_GetBank1Status(); + /* Wait for a Flash operation to complete or a TIMEOUT to occur */ + while((status == FLASH_FLAG_BANK1_BSY) && (Timeout != 0x00)) + { + status = FLASH_GetBank1Status(); + Timeout--; + } + if(Timeout == 0x00 ) + { + status = FLASH_TIMEOUT; + } + /* Return the operation status */ + return status; +} + +#ifdef STM32F10X_XL +/** + * @brief Waits for a Flash operation on Bank2 to complete or a TIMEOUT to occur. + * @note This function can be used only for STM32F10x_XL density devices. + * @param Timeout: FLASH programming Timeout + * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_WaitForLastBank2Operation(uint32_t Timeout) +{ + FLASH_Status status = FLASH_COMPLETE; + + /* Check for the Flash Status */ + status = FLASH_GetBank2Status(); + /* Wait for a Flash operation to complete or a TIMEOUT to occur */ + while((status == (FLASH_FLAG_BANK2_BSY & 0x7FFFFFFF)) && (Timeout != 0x00)) + { + status = FLASH_GetBank2Status(); + Timeout--; + } + if(Timeout == 0x00 ) + { + status = FLASH_TIMEOUT; + } + /* Return the operation status */ + return status; +} +#endif /* STM32F10X_XL */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ diff --git a/3-5 GPIO_光敏传感器/Library/stm32f10x_flash.h b/3-5 GPIO_光敏传感器/Library/stm32f10x_flash.h new file mode 100644 index 0000000..f46d4e8 --- /dev/null +++ b/3-5 GPIO_光敏传感器/Library/stm32f10x_flash.h @@ -0,0 +1,426 @@ +/** + ****************************************************************************** + * @file stm32f10x_flash.h + * @author MCD Application Team + * @version V3.5.0 + * @date 11-March-2011 + * @brief This file contains all the functions prototypes for the FLASH + * firmware library. + ****************************************************************************** + * @attention + * + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + *

© COPYRIGHT 2011 STMicroelectronics

+ ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __STM32F10x_FLASH_H +#define __STM32F10x_FLASH_H + +#ifdef __cplusplus + extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f10x.h" + +/** @addtogroup STM32F10x_StdPeriph_Driver + * @{ + */ + +/** @addtogroup FLASH + * @{ + */ + +/** @defgroup FLASH_Exported_Types + * @{ + */ + +/** + * @brief FLASH Status + */ + +typedef enum +{ + FLASH_BUSY = 1, + FLASH_ERROR_PG, + FLASH_ERROR_WRP, + FLASH_COMPLETE, + FLASH_TIMEOUT +}FLASH_Status; + +/** + * @} + */ + +/** @defgroup FLASH_Exported_Constants + * @{ + */ + +/** @defgroup Flash_Latency + * @{ + */ + +#define FLASH_Latency_0 ((uint32_t)0x00000000) /*!< FLASH Zero Latency cycle */ +#define FLASH_Latency_1 ((uint32_t)0x00000001) /*!< FLASH One Latency cycle */ +#define FLASH_Latency_2 ((uint32_t)0x00000002) /*!< FLASH Two Latency cycles */ +#define IS_FLASH_LATENCY(LATENCY) (((LATENCY) == FLASH_Latency_0) || \ + ((LATENCY) == FLASH_Latency_1) || \ + ((LATENCY) == FLASH_Latency_2)) +/** + * @} + */ + +/** @defgroup Half_Cycle_Enable_Disable + * @{ + */ + +#define FLASH_HalfCycleAccess_Enable ((uint32_t)0x00000008) /*!< FLASH Half Cycle Enable */ +#define FLASH_HalfCycleAccess_Disable ((uint32_t)0x00000000) /*!< FLASH Half Cycle Disable */ +#define IS_FLASH_HALFCYCLEACCESS_STATE(STATE) (((STATE) == FLASH_HalfCycleAccess_Enable) || \ + ((STATE) == FLASH_HalfCycleAccess_Disable)) +/** + * @} + */ + +/** @defgroup Prefetch_Buffer_Enable_Disable + * @{ + */ + +#define FLASH_PrefetchBuffer_Enable ((uint32_t)0x00000010) /*!< FLASH Prefetch Buffer Enable */ +#define FLASH_PrefetchBuffer_Disable ((uint32_t)0x00000000) /*!< FLASH Prefetch Buffer Disable */ +#define IS_FLASH_PREFETCHBUFFER_STATE(STATE) (((STATE) == FLASH_PrefetchBuffer_Enable) || \ + ((STATE) == FLASH_PrefetchBuffer_Disable)) +/** + * @} + */ + +/** @defgroup Option_Bytes_Write_Protection + * @{ + */ + +/* Values to be used with STM32 Low and Medium density devices */ +#define FLASH_WRProt_Pages0to3 ((uint32_t)0x00000001) /*!< STM32 Low and Medium density devices: Write protection of page 0 to 3 */ +#define FLASH_WRProt_Pages4to7 ((uint32_t)0x00000002) /*!< STM32 Low and Medium density devices: Write protection of page 4 to 7 */ +#define FLASH_WRProt_Pages8to11 ((uint32_t)0x00000004) /*!< STM32 Low and Medium density devices: Write protection of page 8 to 11 */ +#define FLASH_WRProt_Pages12to15 ((uint32_t)0x00000008) /*!< STM32 Low and Medium density devices: Write protection of page 12 to 15 */ +#define FLASH_WRProt_Pages16to19 ((uint32_t)0x00000010) /*!< STM32 Low and Medium density devices: Write protection of page 16 to 19 */ +#define FLASH_WRProt_Pages20to23 ((uint32_t)0x00000020) /*!< STM32 Low and Medium density devices: Write protection of page 20 to 23 */ +#define FLASH_WRProt_Pages24to27 ((uint32_t)0x00000040) /*!< STM32 Low and Medium density devices: Write protection of page 24 to 27 */ +#define FLASH_WRProt_Pages28to31 ((uint32_t)0x00000080) /*!< STM32 Low and Medium density devices: Write protection of page 28 to 31 */ + +/* Values to be used with STM32 Medium-density devices */ +#define FLASH_WRProt_Pages32to35 ((uint32_t)0x00000100) /*!< STM32 Medium-density devices: Write protection of page 32 to 35 */ +#define FLASH_WRProt_Pages36to39 ((uint32_t)0x00000200) /*!< STM32 Medium-density devices: Write protection of page 36 to 39 */ +#define FLASH_WRProt_Pages40to43 ((uint32_t)0x00000400) /*!< STM32 Medium-density devices: Write protection of page 40 to 43 */ +#define FLASH_WRProt_Pages44to47 ((uint32_t)0x00000800) /*!< STM32 Medium-density devices: Write protection of page 44 to 47 */ +#define FLASH_WRProt_Pages48to51 ((uint32_t)0x00001000) /*!< STM32 Medium-density devices: Write protection of page 48 to 51 */ +#define FLASH_WRProt_Pages52to55 ((uint32_t)0x00002000) /*!< STM32 Medium-density devices: Write protection of page 52 to 55 */ +#define FLASH_WRProt_Pages56to59 ((uint32_t)0x00004000) /*!< STM32 Medium-density devices: Write protection of page 56 to 59 */ +#define FLASH_WRProt_Pages60to63 ((uint32_t)0x00008000) /*!< STM32 Medium-density devices: Write protection of page 60 to 63 */ +#define FLASH_WRProt_Pages64to67 ((uint32_t)0x00010000) /*!< STM32 Medium-density devices: Write protection of page 64 to 67 */ +#define FLASH_WRProt_Pages68to71 ((uint32_t)0x00020000) /*!< STM32 Medium-density devices: Write protection of page 68 to 71 */ +#define FLASH_WRProt_Pages72to75 ((uint32_t)0x00040000) /*!< STM32 Medium-density devices: Write protection of page 72 to 75 */ +#define FLASH_WRProt_Pages76to79 ((uint32_t)0x00080000) /*!< STM32 Medium-density devices: Write protection of page 76 to 79 */ +#define FLASH_WRProt_Pages80to83 ((uint32_t)0x00100000) /*!< STM32 Medium-density devices: Write protection of page 80 to 83 */ +#define FLASH_WRProt_Pages84to87 ((uint32_t)0x00200000) /*!< STM32 Medium-density devices: Write protection of page 84 to 87 */ +#define FLASH_WRProt_Pages88to91 ((uint32_t)0x00400000) /*!< STM32 Medium-density devices: Write protection of page 88 to 91 */ +#define FLASH_WRProt_Pages92to95 ((uint32_t)0x00800000) /*!< STM32 Medium-density devices: Write protection of page 92 to 95 */ +#define FLASH_WRProt_Pages96to99 ((uint32_t)0x01000000) /*!< STM32 Medium-density devices: Write protection of page 96 to 99 */ +#define FLASH_WRProt_Pages100to103 ((uint32_t)0x02000000) /*!< STM32 Medium-density devices: Write protection of page 100 to 103 */ +#define FLASH_WRProt_Pages104to107 ((uint32_t)0x04000000) /*!< STM32 Medium-density devices: Write protection of page 104 to 107 */ +#define FLASH_WRProt_Pages108to111 ((uint32_t)0x08000000) /*!< STM32 Medium-density devices: Write protection of page 108 to 111 */ +#define FLASH_WRProt_Pages112to115 ((uint32_t)0x10000000) /*!< STM32 Medium-density devices: Write protection of page 112 to 115 */ +#define FLASH_WRProt_Pages116to119 ((uint32_t)0x20000000) /*!< STM32 Medium-density devices: Write protection of page 115 to 119 */ +#define FLASH_WRProt_Pages120to123 ((uint32_t)0x40000000) /*!< STM32 Medium-density devices: Write protection of page 120 to 123 */ +#define FLASH_WRProt_Pages124to127 ((uint32_t)0x80000000) /*!< STM32 Medium-density devices: Write protection of page 124 to 127 */ + +/* Values to be used with STM32 High-density and STM32F10X Connectivity line devices */ +#define FLASH_WRProt_Pages0to1 ((uint32_t)0x00000001) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 0 to 1 */ +#define FLASH_WRProt_Pages2to3 ((uint32_t)0x00000002) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 2 to 3 */ +#define FLASH_WRProt_Pages4to5 ((uint32_t)0x00000004) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 4 to 5 */ +#define FLASH_WRProt_Pages6to7 ((uint32_t)0x00000008) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 6 to 7 */ +#define FLASH_WRProt_Pages8to9 ((uint32_t)0x00000010) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 8 to 9 */ +#define FLASH_WRProt_Pages10to11 ((uint32_t)0x00000020) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 10 to 11 */ +#define FLASH_WRProt_Pages12to13 ((uint32_t)0x00000040) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 12 to 13 */ +#define FLASH_WRProt_Pages14to15 ((uint32_t)0x00000080) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 14 to 15 */ +#define FLASH_WRProt_Pages16to17 ((uint32_t)0x00000100) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 16 to 17 */ +#define FLASH_WRProt_Pages18to19 ((uint32_t)0x00000200) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 18 to 19 */ +#define FLASH_WRProt_Pages20to21 ((uint32_t)0x00000400) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 20 to 21 */ +#define FLASH_WRProt_Pages22to23 ((uint32_t)0x00000800) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 22 to 23 */ +#define FLASH_WRProt_Pages24to25 ((uint32_t)0x00001000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 24 to 25 */ +#define FLASH_WRProt_Pages26to27 ((uint32_t)0x00002000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 26 to 27 */ +#define FLASH_WRProt_Pages28to29 ((uint32_t)0x00004000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 28 to 29 */ +#define FLASH_WRProt_Pages30to31 ((uint32_t)0x00008000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 30 to 31 */ +#define FLASH_WRProt_Pages32to33 ((uint32_t)0x00010000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 32 to 33 */ +#define FLASH_WRProt_Pages34to35 ((uint32_t)0x00020000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 34 to 35 */ +#define FLASH_WRProt_Pages36to37 ((uint32_t)0x00040000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 36 to 37 */ +#define FLASH_WRProt_Pages38to39 ((uint32_t)0x00080000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 38 to 39 */ +#define FLASH_WRProt_Pages40to41 ((uint32_t)0x00100000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 40 to 41 */ +#define FLASH_WRProt_Pages42to43 ((uint32_t)0x00200000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 42 to 43 */ +#define FLASH_WRProt_Pages44to45 ((uint32_t)0x00400000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 44 to 45 */ +#define FLASH_WRProt_Pages46to47 ((uint32_t)0x00800000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 46 to 47 */ +#define FLASH_WRProt_Pages48to49 ((uint32_t)0x01000000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 48 to 49 */ +#define FLASH_WRProt_Pages50to51 ((uint32_t)0x02000000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 50 to 51 */ +#define FLASH_WRProt_Pages52to53 ((uint32_t)0x04000000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 52 to 53 */ +#define FLASH_WRProt_Pages54to55 ((uint32_t)0x08000000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 54 to 55 */ +#define FLASH_WRProt_Pages56to57 ((uint32_t)0x10000000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 56 to 57 */ +#define FLASH_WRProt_Pages58to59 ((uint32_t)0x20000000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 58 to 59 */ +#define FLASH_WRProt_Pages60to61 ((uint32_t)0x40000000) /*!< STM32 High-density, XL-density and Connectivity line devices: + Write protection of page 60 to 61 */ +#define FLASH_WRProt_Pages62to127 ((uint32_t)0x80000000) /*!< STM32 Connectivity line devices: Write protection of page 62 to 127 */ +#define FLASH_WRProt_Pages62to255 ((uint32_t)0x80000000) /*!< STM32 Medium-density devices: Write protection of page 62 to 255 */ +#define FLASH_WRProt_Pages62to511 ((uint32_t)0x80000000) /*!< STM32 XL-density devices: Write protection of page 62 to 511 */ + +#define FLASH_WRProt_AllPages ((uint32_t)0xFFFFFFFF) /*!< Write protection of all Pages */ + +#define IS_FLASH_WRPROT_PAGE(PAGE) (((PAGE) != 0x00000000)) + +#define IS_FLASH_ADDRESS(ADDRESS) (((ADDRESS) >= 0x08000000) && ((ADDRESS) < 0x080FFFFF)) + +#define IS_OB_DATA_ADDRESS(ADDRESS) (((ADDRESS) == 0x1FFFF804) || ((ADDRESS) == 0x1FFFF806)) + +/** + * @} + */ + +/** @defgroup Option_Bytes_IWatchdog + * @{ + */ + +#define OB_IWDG_SW ((uint16_t)0x0001) /*!< Software IWDG selected */ +#define OB_IWDG_HW ((uint16_t)0x0000) /*!< Hardware IWDG selected */ +#define IS_OB_IWDG_SOURCE(SOURCE) (((SOURCE) == OB_IWDG_SW) || ((SOURCE) == OB_IWDG_HW)) + +/** + * @} + */ + +/** @defgroup Option_Bytes_nRST_STOP + * @{ + */ + +#define OB_STOP_NoRST ((uint16_t)0x0002) /*!< No reset generated when entering in STOP */ +#define OB_STOP_RST ((uint16_t)0x0000) /*!< Reset generated when entering in STOP */ +#define IS_OB_STOP_SOURCE(SOURCE) (((SOURCE) == OB_STOP_NoRST) || ((SOURCE) == OB_STOP_RST)) + +/** + * @} + */ + +/** @defgroup Option_Bytes_nRST_STDBY + * @{ + */ + +#define OB_STDBY_NoRST ((uint16_t)0x0004) /*!< No reset generated when entering in STANDBY */ +#define OB_STDBY_RST ((uint16_t)0x0000) /*!< Reset generated when entering in STANDBY */ +#define IS_OB_STDBY_SOURCE(SOURCE) (((SOURCE) == OB_STDBY_NoRST) || ((SOURCE) == OB_STDBY_RST)) + +#ifdef STM32F10X_XL +/** + * @} + */ +/** @defgroup FLASH_Boot + * @{ + */ +#define FLASH_BOOT_Bank1 ((uint16_t)0x0000) /*!< At startup, if boot pins are set in boot from user Flash position + and this parameter is selected the device will boot from Bank1(Default) */ +#define FLASH_BOOT_Bank2 ((uint16_t)0x0001) /*!< At startup, if boot pins are set in boot from user Flash position + and this parameter is selected the device will boot from Bank 2 or Bank 1, + depending on the activation of the bank */ +#define IS_FLASH_BOOT(BOOT) (((BOOT) == FLASH_BOOT_Bank1) || ((BOOT) == FLASH_BOOT_Bank2)) +#endif +/** + * @} + */ +/** @defgroup FLASH_Interrupts + * @{ + */ +#ifdef STM32F10X_XL +#define FLASH_IT_BANK2_ERROR ((uint32_t)0x80000400) /*!< FPEC BANK2 error interrupt source */ +#define FLASH_IT_BANK2_EOP ((uint32_t)0x80001000) /*!< End of FLASH BANK2 Operation Interrupt source */ + +#define FLASH_IT_BANK1_ERROR FLASH_IT_ERROR /*!< FPEC BANK1 error interrupt source */ +#define FLASH_IT_BANK1_EOP FLASH_IT_EOP /*!< End of FLASH BANK1 Operation Interrupt source */ + +#define FLASH_IT_ERROR ((uint32_t)0x00000400) /*!< FPEC BANK1 error interrupt source */ +#define FLASH_IT_EOP ((uint32_t)0x00001000) /*!< End of FLASH BANK1 Operation Interrupt source */ +#define IS_FLASH_IT(IT) ((((IT) & (uint32_t)0x7FFFEBFF) == 0x00000000) && (((IT) != 0x00000000))) +#else +#define FLASH_IT_ERROR ((uint32_t)0x00000400) /*!< FPEC error interrupt source */ +#define FLASH_IT_EOP ((uint32_t)0x00001000) /*!< End of FLASH Operation Interrupt source */ +#define FLASH_IT_BANK1_ERROR FLASH_IT_ERROR /*!< FPEC BANK1 error interrupt source */ +#define FLASH_IT_BANK1_EOP FLASH_IT_EOP /*!< End of FLASH BANK1 Operation Interrupt source */ + +#define IS_FLASH_IT(IT) ((((IT) & (uint32_t)0xFFFFEBFF) == 0x00000000) && (((IT) != 0x00000000))) +#endif + +/** + * @} + */ + +/** @defgroup FLASH_Flags + * @{ + */ +#ifdef STM32F10X_XL +#define FLASH_FLAG_BANK2_BSY ((uint32_t)0x80000001) /*!< FLASH BANK2 Busy flag */ +#define FLASH_FLAG_BANK2_EOP ((uint32_t)0x80000020) /*!< FLASH BANK2 End of Operation flag */ +#define FLASH_FLAG_BANK2_PGERR ((uint32_t)0x80000004) /*!< FLASH BANK2 Program error flag */ +#define FLASH_FLAG_BANK2_WRPRTERR ((uint32_t)0x80000010) /*!< FLASH BANK2 Write protected error flag */ + +#define FLASH_FLAG_BANK1_BSY FLASH_FLAG_BSY /*!< FLASH BANK1 Busy flag*/ +#define FLASH_FLAG_BANK1_EOP FLASH_FLAG_EOP /*!< FLASH BANK1 End of Operation flag */ +#define FLASH_FLAG_BANK1_PGERR FLASH_FLAG_PGERR /*!< FLASH BANK1 Program error flag */ +#define FLASH_FLAG_BANK1_WRPRTERR FLASH_FLAG_WRPRTERR /*!< FLASH BANK1 Write protected error flag */ + +#define FLASH_FLAG_BSY ((uint32_t)0x00000001) /*!< FLASH Busy flag */ +#define FLASH_FLAG_EOP ((uint32_t)0x00000020) /*!< FLASH End of Operation flag */ +#define FLASH_FLAG_PGERR ((uint32_t)0x00000004) /*!< FLASH Program error flag */ +#define FLASH_FLAG_WRPRTERR ((uint32_t)0x00000010) /*!< FLASH Write protected error flag */ +#define FLASH_FLAG_OPTERR ((uint32_t)0x00000001) /*!< FLASH Option Byte error flag */ + +#define IS_FLASH_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0x7FFFFFCA) == 0x00000000) && ((FLAG) != 0x00000000)) +#define IS_FLASH_GET_FLAG(FLAG) (((FLAG) == FLASH_FLAG_BSY) || ((FLAG) == FLASH_FLAG_EOP) || \ + ((FLAG) == FLASH_FLAG_PGERR) || ((FLAG) == FLASH_FLAG_WRPRTERR) || \ + ((FLAG) == FLASH_FLAG_OPTERR)|| \ + ((FLAG) == FLASH_FLAG_BANK1_BSY) || ((FLAG) == FLASH_FLAG_BANK1_EOP) || \ + ((FLAG) == FLASH_FLAG_BANK1_PGERR) || ((FLAG) == FLASH_FLAG_BANK1_WRPRTERR) || \ + ((FLAG) == FLASH_FLAG_BANK2_BSY) || ((FLAG) == FLASH_FLAG_BANK2_EOP) || \ + ((FLAG) == FLASH_FLAG_BANK2_PGERR) || ((FLAG) == FLASH_FLAG_BANK2_WRPRTERR)) +#else +#define FLASH_FLAG_BSY ((uint32_t)0x00000001) /*!< FLASH Busy flag */ +#define FLASH_FLAG_EOP ((uint32_t)0x00000020) /*!< FLASH End of Operation flag */ +#define FLASH_FLAG_PGERR ((uint32_t)0x00000004) /*!< FLASH Program error flag */ +#define FLASH_FLAG_WRPRTERR ((uint32_t)0x00000010) /*!< FLASH Write protected error flag */ +#define FLASH_FLAG_OPTERR ((uint32_t)0x00000001) /*!< FLASH Option Byte error flag */ + +#define FLASH_FLAG_BANK1_BSY FLASH_FLAG_BSY /*!< FLASH BANK1 Busy flag*/ +#define FLASH_FLAG_BANK1_EOP FLASH_FLAG_EOP /*!< FLASH BANK1 End of Operation flag */ +#define FLASH_FLAG_BANK1_PGERR FLASH_FLAG_PGERR /*!< FLASH BANK1 Program error flag */ +#define FLASH_FLAG_BANK1_WRPRTERR FLASH_FLAG_WRPRTERR /*!< FLASH BANK1 Write protected error flag */ + +#define IS_FLASH_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFFFFFFCA) == 0x00000000) && ((FLAG) != 0x00000000)) +#define IS_FLASH_GET_FLAG(FLAG) (((FLAG) == FLASH_FLAG_BSY) || ((FLAG) == FLASH_FLAG_EOP) || \ + ((FLAG) == FLASH_FLAG_PGERR) || ((FLAG) == FLASH_FLAG_WRPRTERR) || \ + ((FLAG) == FLASH_FLAG_BANK1_BSY) || ((FLAG) == FLASH_FLAG_BANK1_EOP) || \ + ((FLAG) == FLASH_FLAG_BANK1_PGERR) || ((FLAG) == FLASH_FLAG_BANK1_WRPRTERR) || \ + ((FLAG) == FLASH_FLAG_OPTERR)) +#endif + +/** + * @} + */ + +/** + * @} + */ + +/** @defgroup FLASH_Exported_Macros + * @{ + */ + +/** + * @} + */ + +/** @defgroup FLASH_Exported_Functions + * @{ + */ + +/*------------ Functions used for all STM32F10x devices -----*/ +void FLASH_SetLatency(uint32_t FLASH_Latency); +void FLASH_HalfCycleAccessCmd(uint32_t FLASH_HalfCycleAccess); +void FLASH_PrefetchBufferCmd(uint32_t FLASH_PrefetchBuffer); +void FLASH_Unlock(void); +void FLASH_Lock(void); +FLASH_Status FLASH_ErasePage(uint32_t Page_Address); +FLASH_Status FLASH_EraseAllPages(void); +FLASH_Status FLASH_EraseOptionBytes(void); +FLASH_Status FLASH_ProgramWord(uint32_t Address, uint32_t Data); +FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data); +FLASH_Status FLASH_ProgramOptionByteData(uint32_t Address, uint8_t Data); +FLASH_Status FLASH_EnableWriteProtection(uint32_t FLASH_Pages); +FLASH_Status FLASH_ReadOutProtection(FunctionalState NewState); +FLASH_Status FLASH_UserOptionByteConfig(uint16_t OB_IWDG, uint16_t OB_STOP, uint16_t OB_STDBY); +uint32_t FLASH_GetUserOptionByte(void); +uint32_t FLASH_GetWriteProtectionOptionByte(void); +FlagStatus FLASH_GetReadOutProtectionStatus(void); +FlagStatus FLASH_GetPrefetchBufferStatus(void); +void FLASH_ITConfig(uint32_t FLASH_IT, FunctionalState NewState); +FlagStatus FLASH_GetFlagStatus(uint32_t FLASH_FLAG); +void FLASH_ClearFlag(uint32_t FLASH_FLAG); +FLASH_Status FLASH_GetStatus(void); +FLASH_Status FLASH_WaitForLastOperation(uint32_t Timeout); + +/*------------ New function used for all STM32F10x devices -----*/ +void FLASH_UnlockBank1(void); +void FLASH_LockBank1(void); +FLASH_Status FLASH_EraseAllBank1Pages(void); +FLASH_Status FLASH_GetBank1Status(void); +FLASH_Status FLASH_WaitForLastBank1Operation(uint32_t Timeout); + +#ifdef STM32F10X_XL +/*---- New Functions used only with STM32F10x_XL density devices -----*/ +void FLASH_UnlockBank2(void); +void FLASH_LockBank2(void); +FLASH_Status FLASH_EraseAllBank2Pages(void); +FLASH_Status FLASH_GetBank2Status(void); +FLASH_Status FLASH_WaitForLastBank2Operation(uint32_t Timeout); +FLASH_Status FLASH_BootConfig(uint16_t FLASH_BOOT); +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* __STM32F10x_FLASH_H */ +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ diff --git a/3-5 GPIO_光敏传感器/Library/stm32f10x_fsmc.c b/3-5 GPIO_光敏传感器/Library/stm32f10x_fsmc.c new file mode 100644 index 0000000..c75137c --- /dev/null +++ b/3-5 GPIO_光敏传感器/Library/stm32f10x_fsmc.c @@ -0,0 +1,866 @@ +/** + ****************************************************************************** + * @file stm32f10x_fsmc.c + * @author MCD Application Team + * @version V3.5.0 + * @date 11-March-2011 + * @brief This file provides all the FSMC firmware functions. + ****************************************************************************** + * @attention + * + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + *

© COPYRIGHT 2011 STMicroelectronics

+ ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f10x_fsmc.h" +#include "stm32f10x_rcc.h" + +/** @addtogroup STM32F10x_StdPeriph_Driver + * @{ + */ + +/** @defgroup FSMC + * @brief FSMC driver modules + * @{ + */ + +/** @defgroup FSMC_Private_TypesDefinitions + * @{ + */ +/** + * @} + */ + +/** @defgroup FSMC_Private_Defines + * @{ + */ + +/* --------------------- FSMC registers bit mask ---------------------------- */ + +/* FSMC BCRx Mask */ +#define BCR_MBKEN_Set ((uint32_t)0x00000001) +#define BCR_MBKEN_Reset ((uint32_t)0x000FFFFE) +#define BCR_FACCEN_Set ((uint32_t)0x00000040) + +/* FSMC PCRx Mask */ +#define PCR_PBKEN_Set ((uint32_t)0x00000004) +#define PCR_PBKEN_Reset ((uint32_t)0x000FFFFB) +#define PCR_ECCEN_Set ((uint32_t)0x00000040) +#define PCR_ECCEN_Reset ((uint32_t)0x000FFFBF) +#define PCR_MemoryType_NAND ((uint32_t)0x00000008) +/** + * @} + */ + +/** @defgroup FSMC_Private_Macros + * @{ + */ + +/** + * @} + */ + +/** @defgroup FSMC_Private_Variables + * @{ + */ + +/** + * @} + */ + +/** @defgroup FSMC_Private_FunctionPrototypes + * @{ + */ + +/** + * @} + */ + +/** @defgroup FSMC_Private_Functions + * @{ + */ + +/** + * @brief Deinitializes the FSMC NOR/SRAM Banks registers to their default + * reset values. + * @param FSMC_Bank: specifies the FSMC Bank to be used + * This parameter can be one of the following values: + * @arg FSMC_Bank1_NORSRAM1: FSMC Bank1 NOR/SRAM1 + * @arg FSMC_Bank1_NORSRAM2: FSMC Bank1 NOR/SRAM2 + * @arg FSMC_Bank1_NORSRAM3: FSMC Bank1 NOR/SRAM3 + * @arg FSMC_Bank1_NORSRAM4: FSMC Bank1 NOR/SRAM4 + * @retval None + */ +void FSMC_NORSRAMDeInit(uint32_t FSMC_Bank) +{ + /* Check the parameter */ + assert_param(IS_FSMC_NORSRAM_BANK(FSMC_Bank)); + + /* FSMC_Bank1_NORSRAM1 */ + if(FSMC_Bank == FSMC_Bank1_NORSRAM1) + { + FSMC_Bank1->BTCR[FSMC_Bank] = 0x000030DB; + } + /* FSMC_Bank1_NORSRAM2, FSMC_Bank1_NORSRAM3 or FSMC_Bank1_NORSRAM4 */ + else + { + FSMC_Bank1->BTCR[FSMC_Bank] = 0x000030D2; + } + FSMC_Bank1->BTCR[FSMC_Bank + 1] = 0x0FFFFFFF; + FSMC_Bank1E->BWTR[FSMC_Bank] = 0x0FFFFFFF; +} + +/** + * @brief Deinitializes the FSMC NAND Banks registers to their default reset values. + * @param FSMC_Bank: specifies the FSMC Bank to be used + * This parameter can be one of the following values: + * @arg FSMC_Bank2_NAND: FSMC Bank2 NAND + * @arg FSMC_Bank3_NAND: FSMC Bank3 NAND + * @retval None + */ +void FSMC_NANDDeInit(uint32_t FSMC_Bank) +{ + /* Check the parameter */ + assert_param(IS_FSMC_NAND_BANK(FSMC_Bank)); + + if(FSMC_Bank == FSMC_Bank2_NAND) + { + /* Set the FSMC_Bank2 registers to their reset values */ + FSMC_Bank2->PCR2 = 0x00000018; + FSMC_Bank2->SR2 = 0x00000040; + FSMC_Bank2->PMEM2 = 0xFCFCFCFC; + FSMC_Bank2->PATT2 = 0xFCFCFCFC; + } + /* FSMC_Bank3_NAND */ + else + { + /* Set the FSMC_Bank3 registers to their reset values */ + FSMC_Bank3->PCR3 = 0x00000018; + FSMC_Bank3->SR3 = 0x00000040; + FSMC_Bank3->PMEM3 = 0xFCFCFCFC; + FSMC_Bank3->PATT3 = 0xFCFCFCFC; + } +} + +/** + * @brief Deinitializes the FSMC PCCARD Bank registers to their default reset values. + * @param None + * @retval None + */ +void FSMC_PCCARDDeInit(void) +{ + /* Set the FSMC_Bank4 registers to their reset values */ + FSMC_Bank4->PCR4 = 0x00000018; + FSMC_Bank4->SR4 = 0x00000000; + FSMC_Bank4->PMEM4 = 0xFCFCFCFC; + FSMC_Bank4->PATT4 = 0xFCFCFCFC; + FSMC_Bank4->PIO4 = 0xFCFCFCFC; +} + +/** + * @brief Initializes the FSMC NOR/SRAM Banks according to the specified + * parameters in the FSMC_NORSRAMInitStruct. + * @param FSMC_NORSRAMInitStruct : pointer to a FSMC_NORSRAMInitTypeDef + * structure that contains the configuration information for + * the FSMC NOR/SRAM specified Banks. + * @retval None + */ +void FSMC_NORSRAMInit(FSMC_NORSRAMInitTypeDef* FSMC_NORSRAMInitStruct) +{ + /* Check the parameters */ + assert_param(IS_FSMC_NORSRAM_BANK(FSMC_NORSRAMInitStruct->FSMC_Bank)); + assert_param(IS_FSMC_MUX(FSMC_NORSRAMInitStruct->FSMC_DataAddressMux)); + assert_param(IS_FSMC_MEMORY(FSMC_NORSRAMInitStruct->FSMC_MemoryType)); + assert_param(IS_FSMC_MEMORY_WIDTH(FSMC_NORSRAMInitStruct->FSMC_MemoryDataWidth)); + assert_param(IS_FSMC_BURSTMODE(FSMC_NORSRAMInitStruct->FSMC_BurstAccessMode)); + assert_param(IS_FSMC_ASYNWAIT(FSMC_NORSRAMInitStruct->FSMC_AsynchronousWait)); + assert_param(IS_FSMC_WAIT_POLARITY(FSMC_NORSRAMInitStruct->FSMC_WaitSignalPolarity)); + assert_param(IS_FSMC_WRAP_MODE(FSMC_NORSRAMInitStruct->FSMC_WrapMode)); + assert_param(IS_FSMC_WAIT_SIGNAL_ACTIVE(FSMC_NORSRAMInitStruct->FSMC_WaitSignalActive)); + assert_param(IS_FSMC_WRITE_OPERATION(FSMC_NORSRAMInitStruct->FSMC_WriteOperation)); + assert_param(IS_FSMC_WAITE_SIGNAL(FSMC_NORSRAMInitStruct->FSMC_WaitSignal)); + assert_param(IS_FSMC_EXTENDED_MODE(FSMC_NORSRAMInitStruct->FSMC_ExtendedMode)); + assert_param(IS_FSMC_WRITE_BURST(FSMC_NORSRAMInitStruct->FSMC_WriteBurst)); + assert_param(IS_FSMC_ADDRESS_SETUP_TIME(FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_AddressSetupTime)); + assert_param(IS_FSMC_ADDRESS_HOLD_TIME(FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_AddressHoldTime)); + assert_param(IS_FSMC_DATASETUP_TIME(FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_DataSetupTime)); + assert_param(IS_FSMC_TURNAROUND_TIME(FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_BusTurnAroundDuration)); + assert_param(IS_FSMC_CLK_DIV(FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_CLKDivision)); + assert_param(IS_FSMC_DATA_LATENCY(FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_DataLatency)); + assert_param(IS_FSMC_ACCESS_MODE(FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_AccessMode)); + + /* Bank1 NOR/SRAM control register configuration */ + FSMC_Bank1->BTCR[FSMC_NORSRAMInitStruct->FSMC_Bank] = + (uint32_t)FSMC_NORSRAMInitStruct->FSMC_DataAddressMux | + FSMC_NORSRAMInitStruct->FSMC_MemoryType | + FSMC_NORSRAMInitStruct->FSMC_MemoryDataWidth | + FSMC_NORSRAMInitStruct->FSMC_BurstAccessMode | + FSMC_NORSRAMInitStruct->FSMC_AsynchronousWait | + FSMC_NORSRAMInitStruct->FSMC_WaitSignalPolarity | + FSMC_NORSRAMInitStruct->FSMC_WrapMode | + FSMC_NORSRAMInitStruct->FSMC_WaitSignalActive | + FSMC_NORSRAMInitStruct->FSMC_WriteOperation | + FSMC_NORSRAMInitStruct->FSMC_WaitSignal | + FSMC_NORSRAMInitStruct->FSMC_ExtendedMode | + FSMC_NORSRAMInitStruct->FSMC_WriteBurst; + + if(FSMC_NORSRAMInitStruct->FSMC_MemoryType == FSMC_MemoryType_NOR) + { + FSMC_Bank1->BTCR[FSMC_NORSRAMInitStruct->FSMC_Bank] |= (uint32_t)BCR_FACCEN_Set; + } + + /* Bank1 NOR/SRAM timing register configuration */ + FSMC_Bank1->BTCR[FSMC_NORSRAMInitStruct->FSMC_Bank+1] = + (uint32_t)FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_AddressSetupTime | + (FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_AddressHoldTime << 4) | + (FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_DataSetupTime << 8) | + (FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_BusTurnAroundDuration << 16) | + (FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_CLKDivision << 20) | + (FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_DataLatency << 24) | + FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_AccessMode; + + + /* Bank1 NOR/SRAM timing register for write configuration, if extended mode is used */ + if(FSMC_NORSRAMInitStruct->FSMC_ExtendedMode == FSMC_ExtendedMode_Enable) + { + assert_param(IS_FSMC_ADDRESS_SETUP_TIME(FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_AddressSetupTime)); + assert_param(IS_FSMC_ADDRESS_HOLD_TIME(FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_AddressHoldTime)); + assert_param(IS_FSMC_DATASETUP_TIME(FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_DataSetupTime)); + assert_param(IS_FSMC_CLK_DIV(FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_CLKDivision)); + assert_param(IS_FSMC_DATA_LATENCY(FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_DataLatency)); + assert_param(IS_FSMC_ACCESS_MODE(FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_AccessMode)); + FSMC_Bank1E->BWTR[FSMC_NORSRAMInitStruct->FSMC_Bank] = + (uint32_t)FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_AddressSetupTime | + (FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_AddressHoldTime << 4 )| + (FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_DataSetupTime << 8) | + (FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_CLKDivision << 20) | + (FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_DataLatency << 24) | + FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_AccessMode; + } + else + { + FSMC_Bank1E->BWTR[FSMC_NORSRAMInitStruct->FSMC_Bank] = 0x0FFFFFFF; + } +} + +/** + * @brief Initializes the FSMC NAND Banks according to the specified + * parameters in the FSMC_NANDInitStruct. + * @param FSMC_NANDInitStruct : pointer to a FSMC_NANDInitTypeDef + * structure that contains the configuration information for the FSMC + * NAND specified Banks. + * @retval None + */ +void FSMC_NANDInit(FSMC_NANDInitTypeDef* FSMC_NANDInitStruct) +{ + uint32_t tmppcr = 0x00000000, tmppmem = 0x00000000, tmppatt = 0x00000000; + + /* Check the parameters */ + assert_param( IS_FSMC_NAND_BANK(FSMC_NANDInitStruct->FSMC_Bank)); + assert_param( IS_FSMC_WAIT_FEATURE(FSMC_NANDInitStruct->FSMC_Waitfeature)); + assert_param( IS_FSMC_MEMORY_WIDTH(FSMC_NANDInitStruct->FSMC_MemoryDataWidth)); + assert_param( IS_FSMC_ECC_STATE(FSMC_NANDInitStruct->FSMC_ECC)); + assert_param( IS_FSMC_ECCPAGE_SIZE(FSMC_NANDInitStruct->FSMC_ECCPageSize)); + assert_param( IS_FSMC_TCLR_TIME(FSMC_NANDInitStruct->FSMC_TCLRSetupTime)); + assert_param( IS_FSMC_TAR_TIME(FSMC_NANDInitStruct->FSMC_TARSetupTime)); + assert_param(IS_FSMC_SETUP_TIME(FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_SetupTime)); + assert_param(IS_FSMC_WAIT_TIME(FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_WaitSetupTime)); + assert_param(IS_FSMC_HOLD_TIME(FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_HoldSetupTime)); + assert_param(IS_FSMC_HIZ_TIME(FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_HiZSetupTime)); + assert_param(IS_FSMC_SETUP_TIME(FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_SetupTime)); + assert_param(IS_FSMC_WAIT_TIME(FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_WaitSetupTime)); + assert_param(IS_FSMC_HOLD_TIME(FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_HoldSetupTime)); + assert_param(IS_FSMC_HIZ_TIME(FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_HiZSetupTime)); + + /* Set the tmppcr value according to FSMC_NANDInitStruct parameters */ + tmppcr = (uint32_t)FSMC_NANDInitStruct->FSMC_Waitfeature | + PCR_MemoryType_NAND | + FSMC_NANDInitStruct->FSMC_MemoryDataWidth | + FSMC_NANDInitStruct->FSMC_ECC | + FSMC_NANDInitStruct->FSMC_ECCPageSize | + (FSMC_NANDInitStruct->FSMC_TCLRSetupTime << 9 )| + (FSMC_NANDInitStruct->FSMC_TARSetupTime << 13); + + /* Set tmppmem value according to FSMC_CommonSpaceTimingStructure parameters */ + tmppmem = (uint32_t)FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_SetupTime | + (FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_WaitSetupTime << 8) | + (FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_HoldSetupTime << 16)| + (FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_HiZSetupTime << 24); + + /* Set tmppatt value according to FSMC_AttributeSpaceTimingStructure parameters */ + tmppatt = (uint32_t)FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_SetupTime | + (FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_WaitSetupTime << 8) | + (FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_HoldSetupTime << 16)| + (FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_HiZSetupTime << 24); + + if(FSMC_NANDInitStruct->FSMC_Bank == FSMC_Bank2_NAND) + { + /* FSMC_Bank2_NAND registers configuration */ + FSMC_Bank2->PCR2 = tmppcr; + FSMC_Bank2->PMEM2 = tmppmem; + FSMC_Bank2->PATT2 = tmppatt; + } + else + { + /* FSMC_Bank3_NAND registers configuration */ + FSMC_Bank3->PCR3 = tmppcr; + FSMC_Bank3->PMEM3 = tmppmem; + FSMC_Bank3->PATT3 = tmppatt; + } +} + +/** + * @brief Initializes the FSMC PCCARD Bank according to the specified + * parameters in the FSMC_PCCARDInitStruct. + * @param FSMC_PCCARDInitStruct : pointer to a FSMC_PCCARDInitTypeDef + * structure that contains the configuration information for the FSMC + * PCCARD Bank. + * @retval None + */ +void FSMC_PCCARDInit(FSMC_PCCARDInitTypeDef* FSMC_PCCARDInitStruct) +{ + /* Check the parameters */ + assert_param(IS_FSMC_WAIT_FEATURE(FSMC_PCCARDInitStruct->FSMC_Waitfeature)); + assert_param(IS_FSMC_TCLR_TIME(FSMC_PCCARDInitStruct->FSMC_TCLRSetupTime)); + assert_param(IS_FSMC_TAR_TIME(FSMC_PCCARDInitStruct->FSMC_TARSetupTime)); + + assert_param(IS_FSMC_SETUP_TIME(FSMC_PCCARDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_SetupTime)); + assert_param(IS_FSMC_WAIT_TIME(FSMC_PCCARDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_WaitSetupTime)); + assert_param(IS_FSMC_HOLD_TIME(FSMC_PCCARDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_HoldSetupTime)); + assert_param(IS_FSMC_HIZ_TIME(FSMC_PCCARDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_HiZSetupTime)); + + assert_param(IS_FSMC_SETUP_TIME(FSMC_PCCARDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_SetupTime)); + assert_param(IS_FSMC_WAIT_TIME(FSMC_PCCARDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_WaitSetupTime)); + assert_param(IS_FSMC_HOLD_TIME(FSMC_PCCARDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_HoldSetupTime)); + assert_param(IS_FSMC_HIZ_TIME(FSMC_PCCARDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_HiZSetupTime)); + assert_param(IS_FSMC_SETUP_TIME(FSMC_PCCARDInitStruct->FSMC_IOSpaceTimingStruct->FSMC_SetupTime)); + assert_param(IS_FSMC_WAIT_TIME(FSMC_PCCARDInitStruct->FSMC_IOSpaceTimingStruct->FSMC_WaitSetupTime)); + assert_param(IS_FSMC_HOLD_TIME(FSMC_PCCARDInitStruct->FSMC_IOSpaceTimingStruct->FSMC_HoldSetupTime)); + assert_param(IS_FSMC_HIZ_TIME(FSMC_PCCARDInitStruct->FSMC_IOSpaceTimingStruct->FSMC_HiZSetupTime)); + + /* Set the PCR4 register value according to FSMC_PCCARDInitStruct parameters */ + FSMC_Bank4->PCR4 = (uint32_t)FSMC_PCCARDInitStruct->FSMC_Waitfeature | + FSMC_MemoryDataWidth_16b | + (FSMC_PCCARDInitStruct->FSMC_TCLRSetupTime << 9) | + (FSMC_PCCARDInitStruct->FSMC_TARSetupTime << 13); + + /* Set PMEM4 register value according to FSMC_CommonSpaceTimingStructure parameters */ + FSMC_Bank4->PMEM4 = (uint32_t)FSMC_PCCARDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_SetupTime | + (FSMC_PCCARDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_WaitSetupTime << 8) | + (FSMC_PCCARDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_HoldSetupTime << 16)| + (FSMC_PCCARDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_HiZSetupTime << 24); + + /* Set PATT4 register value according to FSMC_AttributeSpaceTimingStructure parameters */ + FSMC_Bank4->PATT4 = (uint32_t)FSMC_PCCARDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_SetupTime | + (FSMC_PCCARDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_WaitSetupTime << 8) | + (FSMC_PCCARDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_HoldSetupTime << 16)| + (FSMC_PCCARDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_HiZSetupTime << 24); + + /* Set PIO4 register value according to FSMC_IOSpaceTimingStructure parameters */ + FSMC_Bank4->PIO4 = (uint32_t)FSMC_PCCARDInitStruct->FSMC_IOSpaceTimingStruct->FSMC_SetupTime | + (FSMC_PCCARDInitStruct->FSMC_IOSpaceTimingStruct->FSMC_WaitSetupTime << 8) | + (FSMC_PCCARDInitStruct->FSMC_IOSpaceTimingStruct->FSMC_HoldSetupTime << 16)| + (FSMC_PCCARDInitStruct->FSMC_IOSpaceTimingStruct->FSMC_HiZSetupTime << 24); +} + +/** + * @brief Fills each FSMC_NORSRAMInitStruct member with its default value. + * @param FSMC_NORSRAMInitStruct: pointer to a FSMC_NORSRAMInitTypeDef + * structure which will be initialized. + * @retval None + */ +void FSMC_NORSRAMStructInit(FSMC_NORSRAMInitTypeDef* FSMC_NORSRAMInitStruct) +{ + /* Reset NOR/SRAM Init structure parameters values */ + FSMC_NORSRAMInitStruct->FSMC_Bank = FSMC_Bank1_NORSRAM1; + FSMC_NORSRAMInitStruct->FSMC_DataAddressMux = FSMC_DataAddressMux_Enable; + FSMC_NORSRAMInitStruct->FSMC_MemoryType = FSMC_MemoryType_SRAM; + FSMC_NORSRAMInitStruct->FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_8b; + FSMC_NORSRAMInitStruct->FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable; + FSMC_NORSRAMInitStruct->FSMC_AsynchronousWait = FSMC_AsynchronousWait_Disable; + FSMC_NORSRAMInitStruct->FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low; + FSMC_NORSRAMInitStruct->FSMC_WrapMode = FSMC_WrapMode_Disable; + FSMC_NORSRAMInitStruct->FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState; + FSMC_NORSRAMInitStruct->FSMC_WriteOperation = FSMC_WriteOperation_Enable; + FSMC_NORSRAMInitStruct->FSMC_WaitSignal = FSMC_WaitSignal_Enable; + FSMC_NORSRAMInitStruct->FSMC_ExtendedMode = FSMC_ExtendedMode_Disable; + FSMC_NORSRAMInitStruct->FSMC_WriteBurst = FSMC_WriteBurst_Disable; + FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_AddressSetupTime = 0xF; + FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_AddressHoldTime = 0xF; + FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_DataSetupTime = 0xFF; + FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_BusTurnAroundDuration = 0xF; + FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_CLKDivision = 0xF; + FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_DataLatency = 0xF; + FSMC_NORSRAMInitStruct->FSMC_ReadWriteTimingStruct->FSMC_AccessMode = FSMC_AccessMode_A; + FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_AddressSetupTime = 0xF; + FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_AddressHoldTime = 0xF; + FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_DataSetupTime = 0xFF; + FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_BusTurnAroundDuration = 0xF; + FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_CLKDivision = 0xF; + FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_DataLatency = 0xF; + FSMC_NORSRAMInitStruct->FSMC_WriteTimingStruct->FSMC_AccessMode = FSMC_AccessMode_A; +} + +/** + * @brief Fills each FSMC_NANDInitStruct member with its default value. + * @param FSMC_NANDInitStruct: pointer to a FSMC_NANDInitTypeDef + * structure which will be initialized. + * @retval None + */ +void FSMC_NANDStructInit(FSMC_NANDInitTypeDef* FSMC_NANDInitStruct) +{ + /* Reset NAND Init structure parameters values */ + FSMC_NANDInitStruct->FSMC_Bank = FSMC_Bank2_NAND; + FSMC_NANDInitStruct->FSMC_Waitfeature = FSMC_Waitfeature_Disable; + FSMC_NANDInitStruct->FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_8b; + FSMC_NANDInitStruct->FSMC_ECC = FSMC_ECC_Disable; + FSMC_NANDInitStruct->FSMC_ECCPageSize = FSMC_ECCPageSize_256Bytes; + FSMC_NANDInitStruct->FSMC_TCLRSetupTime = 0x0; + FSMC_NANDInitStruct->FSMC_TARSetupTime = 0x0; + FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_SetupTime = 0xFC; + FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_WaitSetupTime = 0xFC; + FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_HoldSetupTime = 0xFC; + FSMC_NANDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_HiZSetupTime = 0xFC; + FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_SetupTime = 0xFC; + FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_WaitSetupTime = 0xFC; + FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_HoldSetupTime = 0xFC; + FSMC_NANDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_HiZSetupTime = 0xFC; +} + +/** + * @brief Fills each FSMC_PCCARDInitStruct member with its default value. + * @param FSMC_PCCARDInitStruct: pointer to a FSMC_PCCARDInitTypeDef + * structure which will be initialized. + * @retval None + */ +void FSMC_PCCARDStructInit(FSMC_PCCARDInitTypeDef* FSMC_PCCARDInitStruct) +{ + /* Reset PCCARD Init structure parameters values */ + FSMC_PCCARDInitStruct->FSMC_Waitfeature = FSMC_Waitfeature_Disable; + FSMC_PCCARDInitStruct->FSMC_TCLRSetupTime = 0x0; + FSMC_PCCARDInitStruct->FSMC_TARSetupTime = 0x0; + FSMC_PCCARDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_SetupTime = 0xFC; + FSMC_PCCARDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_WaitSetupTime = 0xFC; + FSMC_PCCARDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_HoldSetupTime = 0xFC; + FSMC_PCCARDInitStruct->FSMC_CommonSpaceTimingStruct->FSMC_HiZSetupTime = 0xFC; + FSMC_PCCARDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_SetupTime = 0xFC; + FSMC_PCCARDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_WaitSetupTime = 0xFC; + FSMC_PCCARDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_HoldSetupTime = 0xFC; + FSMC_PCCARDInitStruct->FSMC_AttributeSpaceTimingStruct->FSMC_HiZSetupTime = 0xFC; + FSMC_PCCARDInitStruct->FSMC_IOSpaceTimingStruct->FSMC_SetupTime = 0xFC; + FSMC_PCCARDInitStruct->FSMC_IOSpaceTimingStruct->FSMC_WaitSetupTime = 0xFC; + FSMC_PCCARDInitStruct->FSMC_IOSpaceTimingStruct->FSMC_HoldSetupTime = 0xFC; + FSMC_PCCARDInitStruct->FSMC_IOSpaceTimingStruct->FSMC_HiZSetupTime = 0xFC; +} + +/** + * @brief Enables or disables the specified NOR/SRAM Memory Bank. + * @param FSMC_Bank: specifies the FSMC Bank to be used + * This parameter can be one of the following values: + * @arg FSMC_Bank1_NORSRAM1: FSMC Bank1 NOR/SRAM1 + * @arg FSMC_Bank1_NORSRAM2: FSMC Bank1 NOR/SRAM2 + * @arg FSMC_Bank1_NORSRAM3: FSMC Bank1 NOR/SRAM3 + * @arg FSMC_Bank1_NORSRAM4: FSMC Bank1 NOR/SRAM4 + * @param NewState: new state of the FSMC_Bank. This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void FSMC_NORSRAMCmd(uint32_t FSMC_Bank, FunctionalState NewState) +{ + assert_param(IS_FSMC_NORSRAM_BANK(FSMC_Bank)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable the selected NOR/SRAM Bank by setting the PBKEN bit in the BCRx register */ + FSMC_Bank1->BTCR[FSMC_Bank] |= BCR_MBKEN_Set; + } + else + { + /* Disable the selected NOR/SRAM Bank by clearing the PBKEN bit in the BCRx register */ + FSMC_Bank1->BTCR[FSMC_Bank] &= BCR_MBKEN_Reset; + } +} + +/** + * @brief Enables or disables the specified NAND Memory Bank. + * @param FSMC_Bank: specifies the FSMC Bank to be used + * This parameter can be one of the following values: + * @arg FSMC_Bank2_NAND: FSMC Bank2 NAND + * @arg FSMC_Bank3_NAND: FSMC Bank3 NAND + * @param NewState: new state of the FSMC_Bank. This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void FSMC_NANDCmd(uint32_t FSMC_Bank, FunctionalState NewState) +{ + assert_param(IS_FSMC_NAND_BANK(FSMC_Bank)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable the selected NAND Bank by setting the PBKEN bit in the PCRx register */ + if(FSMC_Bank == FSMC_Bank2_NAND) + { + FSMC_Bank2->PCR2 |= PCR_PBKEN_Set; + } + else + { + FSMC_Bank3->PCR3 |= PCR_PBKEN_Set; + } + } + else + { + /* Disable the selected NAND Bank by clearing the PBKEN bit in the PCRx register */ + if(FSMC_Bank == FSMC_Bank2_NAND) + { + FSMC_Bank2->PCR2 &= PCR_PBKEN_Reset; + } + else + { + FSMC_Bank3->PCR3 &= PCR_PBKEN_Reset; + } + } +} + +/** + * @brief Enables or disables the PCCARD Memory Bank. + * @param NewState: new state of the PCCARD Memory Bank. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void FSMC_PCCARDCmd(FunctionalState NewState) +{ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable the PCCARD Bank by setting the PBKEN bit in the PCR4 register */ + FSMC_Bank4->PCR4 |= PCR_PBKEN_Set; + } + else + { + /* Disable the PCCARD Bank by clearing the PBKEN bit in the PCR4 register */ + FSMC_Bank4->PCR4 &= PCR_PBKEN_Reset; + } +} + +/** + * @brief Enables or disables the FSMC NAND ECC feature. + * @param FSMC_Bank: specifies the FSMC Bank to be used + * This parameter can be one of the following values: + * @arg FSMC_Bank2_NAND: FSMC Bank2 NAND + * @arg FSMC_Bank3_NAND: FSMC Bank3 NAND + * @param NewState: new state of the FSMC NAND ECC feature. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void FSMC_NANDECCCmd(uint32_t FSMC_Bank, FunctionalState NewState) +{ + assert_param(IS_FSMC_NAND_BANK(FSMC_Bank)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable the selected NAND Bank ECC function by setting the ECCEN bit in the PCRx register */ + if(FSMC_Bank == FSMC_Bank2_NAND) + { + FSMC_Bank2->PCR2 |= PCR_ECCEN_Set; + } + else + { + FSMC_Bank3->PCR3 |= PCR_ECCEN_Set; + } + } + else + { + /* Disable the selected NAND Bank ECC function by clearing the ECCEN bit in the PCRx register */ + if(FSMC_Bank == FSMC_Bank2_NAND) + { + FSMC_Bank2->PCR2 &= PCR_ECCEN_Reset; + } + else + { + FSMC_Bank3->PCR3 &= PCR_ECCEN_Reset; + } + } +} + +/** + * @brief Returns the error correction code register value. + * @param FSMC_Bank: specifies the FSMC Bank to be used + * This parameter can be one of the following values: + * @arg FSMC_Bank2_NAND: FSMC Bank2 NAND + * @arg FSMC_Bank3_NAND: FSMC Bank3 NAND + * @retval The Error Correction Code (ECC) value. + */ +uint32_t FSMC_GetECC(uint32_t FSMC_Bank) +{ + uint32_t eccval = 0x00000000; + + if(FSMC_Bank == FSMC_Bank2_NAND) + { + /* Get the ECCR2 register value */ + eccval = FSMC_Bank2->ECCR2; + } + else + { + /* Get the ECCR3 register value */ + eccval = FSMC_Bank3->ECCR3; + } + /* Return the error correction code value */ + return(eccval); +} + +/** + * @brief Enables or disables the specified FSMC interrupts. + * @param FSMC_Bank: specifies the FSMC Bank to be used + * This parameter can be one of the following values: + * @arg FSMC_Bank2_NAND: FSMC Bank2 NAND + * @arg FSMC_Bank3_NAND: FSMC Bank3 NAND + * @arg FSMC_Bank4_PCCARD: FSMC Bank4 PCCARD + * @param FSMC_IT: specifies the FSMC interrupt sources to be enabled or disabled. + * This parameter can be any combination of the following values: + * @arg FSMC_IT_RisingEdge: Rising edge detection interrupt. + * @arg FSMC_IT_Level: Level edge detection interrupt. + * @arg FSMC_IT_FallingEdge: Falling edge detection interrupt. + * @param NewState: new state of the specified FSMC interrupts. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void FSMC_ITConfig(uint32_t FSMC_Bank, uint32_t FSMC_IT, FunctionalState NewState) +{ + assert_param(IS_FSMC_IT_BANK(FSMC_Bank)); + assert_param(IS_FSMC_IT(FSMC_IT)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable the selected FSMC_Bank2 interrupts */ + if(FSMC_Bank == FSMC_Bank2_NAND) + { + FSMC_Bank2->SR2 |= FSMC_IT; + } + /* Enable the selected FSMC_Bank3 interrupts */ + else if (FSMC_Bank == FSMC_Bank3_NAND) + { + FSMC_Bank3->SR3 |= FSMC_IT; + } + /* Enable the selected FSMC_Bank4 interrupts */ + else + { + FSMC_Bank4->SR4 |= FSMC_IT; + } + } + else + { + /* Disable the selected FSMC_Bank2 interrupts */ + if(FSMC_Bank == FSMC_Bank2_NAND) + { + + FSMC_Bank2->SR2 &= (uint32_t)~FSMC_IT; + } + /* Disable the selected FSMC_Bank3 interrupts */ + else if (FSMC_Bank == FSMC_Bank3_NAND) + { + FSMC_Bank3->SR3 &= (uint32_t)~FSMC_IT; + } + /* Disable the selected FSMC_Bank4 interrupts */ + else + { + FSMC_Bank4->SR4 &= (uint32_t)~FSMC_IT; + } + } +} + +/** + * @brief Checks whether the specified FSMC flag is set or not. + * @param FSMC_Bank: specifies the FSMC Bank to be used + * This parameter can be one of the following values: + * @arg FSMC_Bank2_NAND: FSMC Bank2 NAND + * @arg FSMC_Bank3_NAND: FSMC Bank3 NAND + * @arg FSMC_Bank4_PCCARD: FSMC Bank4 PCCARD + * @param FSMC_FLAG: specifies the flag to check. + * This parameter can be one of the following values: + * @arg FSMC_FLAG_RisingEdge: Rising egde detection Flag. + * @arg FSMC_FLAG_Level: Level detection Flag. + * @arg FSMC_FLAG_FallingEdge: Falling egde detection Flag. + * @arg FSMC_FLAG_FEMPT: Fifo empty Flag. + * @retval The new state of FSMC_FLAG (SET or RESET). + */ +FlagStatus FSMC_GetFlagStatus(uint32_t FSMC_Bank, uint32_t FSMC_FLAG) +{ + FlagStatus bitstatus = RESET; + uint32_t tmpsr = 0x00000000; + + /* Check the parameters */ + assert_param(IS_FSMC_GETFLAG_BANK(FSMC_Bank)); + assert_param(IS_FSMC_GET_FLAG(FSMC_FLAG)); + + if(FSMC_Bank == FSMC_Bank2_NAND) + { + tmpsr = FSMC_Bank2->SR2; + } + else if(FSMC_Bank == FSMC_Bank3_NAND) + { + tmpsr = FSMC_Bank3->SR3; + } + /* FSMC_Bank4_PCCARD*/ + else + { + tmpsr = FSMC_Bank4->SR4; + } + + /* Get the flag status */ + if ((tmpsr & FSMC_FLAG) != (uint16_t)RESET ) + { + bitstatus = SET; + } + else + { + bitstatus = RESET; + } + /* Return the flag status */ + return bitstatus; +} + +/** + * @brief Clears the FSMC's pending flags. + * @param FSMC_Bank: specifies the FSMC Bank to be used + * This parameter can be one of the following values: + * @arg FSMC_Bank2_NAND: FSMC Bank2 NAND + * @arg FSMC_Bank3_NAND: FSMC Bank3 NAND + * @arg FSMC_Bank4_PCCARD: FSMC Bank4 PCCARD + * @param FSMC_FLAG: specifies the flag to clear. + * This parameter can be any combination of the following values: + * @arg FSMC_FLAG_RisingEdge: Rising egde detection Flag. + * @arg FSMC_FLAG_Level: Level detection Flag. + * @arg FSMC_FLAG_FallingEdge: Falling egde detection Flag. + * @retval None + */ +void FSMC_ClearFlag(uint32_t FSMC_Bank, uint32_t FSMC_FLAG) +{ + /* Check the parameters */ + assert_param(IS_FSMC_GETFLAG_BANK(FSMC_Bank)); + assert_param(IS_FSMC_CLEAR_FLAG(FSMC_FLAG)) ; + + if(FSMC_Bank == FSMC_Bank2_NAND) + { + FSMC_Bank2->SR2 &= ~FSMC_FLAG; + } + else if(FSMC_Bank == FSMC_Bank3_NAND) + { + FSMC_Bank3->SR3 &= ~FSMC_FLAG; + } + /* FSMC_Bank4_PCCARD*/ + else + { + FSMC_Bank4->SR4 &= ~FSMC_FLAG; + } +} + +/** + * @brief Checks whether the specified FSMC interrupt has occurred or not. + * @param FSMC_Bank: specifies the FSMC Bank to be used + * This parameter can be one of the following values: + * @arg FSMC_Bank2_NAND: FSMC Bank2 NAND + * @arg FSMC_Bank3_NAND: FSMC Bank3 NAND + * @arg FSMC_Bank4_PCCARD: FSMC Bank4 PCCARD + * @param FSMC_IT: specifies the FSMC interrupt source to check. + * This parameter can be one of the following values: + * @arg FSMC_IT_RisingEdge: Rising edge detection interrupt. + * @arg FSMC_IT_Level: Level edge detection interrupt. + * @arg FSMC_IT_FallingEdge: Falling edge detection interrupt. + * @retval The new state of FSMC_IT (SET or RESET). + */ +ITStatus FSMC_GetITStatus(uint32_t FSMC_Bank, uint32_t FSMC_IT) +{ + ITStatus bitstatus = RESET; + uint32_t tmpsr = 0x0, itstatus = 0x0, itenable = 0x0; + + /* Check the parameters */ + assert_param(IS_FSMC_IT_BANK(FSMC_Bank)); + assert_param(IS_FSMC_GET_IT(FSMC_IT)); + + if(FSMC_Bank == FSMC_Bank2_NAND) + { + tmpsr = FSMC_Bank2->SR2; + } + else if(FSMC_Bank == FSMC_Bank3_NAND) + { + tmpsr = FSMC_Bank3->SR3; + } + /* FSMC_Bank4_PCCARD*/ + else + { + tmpsr = FSMC_Bank4->SR4; + } + + itstatus = tmpsr & FSMC_IT; + + itenable = tmpsr & (FSMC_IT >> 3); + if ((itstatus != (uint32_t)RESET) && (itenable != (uint32_t)RESET)) + { + bitstatus = SET; + } + else + { + bitstatus = RESET; + } + return bitstatus; +} + +/** + * @brief Clears the FSMC's interrupt pending bits. + * @param FSMC_Bank: specifies the FSMC Bank to be used + * This parameter can be one of the following values: + * @arg FSMC_Bank2_NAND: FSMC Bank2 NAND + * @arg FSMC_Bank3_NAND: FSMC Bank3 NAND + * @arg FSMC_Bank4_PCCARD: FSMC Bank4 PCCARD + * @param FSMC_IT: specifies the interrupt pending bit to clear. + * This parameter can be any combination of the following values: + * @arg FSMC_IT_RisingEdge: Rising edge detection interrupt. + * @arg FSMC_IT_Level: Level edge detection interrupt. + * @arg FSMC_IT_FallingEdge: Falling edge detection interrupt. + * @retval None + */ +void FSMC_ClearITPendingBit(uint32_t FSMC_Bank, uint32_t FSMC_IT) +{ + /* Check the parameters */ + assert_param(IS_FSMC_IT_BANK(FSMC_Bank)); + assert_param(IS_FSMC_IT(FSMC_IT)); + + if(FSMC_Bank == FSMC_Bank2_NAND) + { + FSMC_Bank2->SR2 &= ~(FSMC_IT >> 3); + } + else if(FSMC_Bank == FSMC_Bank3_NAND) + { + FSMC_Bank3->SR3 &= ~(FSMC_IT >> 3); + } + /* FSMC_Bank4_PCCARD*/ + else + { + FSMC_Bank4->SR4 &= ~(FSMC_IT >> 3); + } +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ diff --git a/3-5 GPIO_光敏传感器/Library/stm32f10x_fsmc.h b/3-5 GPIO_光敏传感器/Library/stm32f10x_fsmc.h new file mode 100644 index 0000000..ee707e7 --- /dev/null +++ b/3-5 GPIO_光敏传感器/Library/stm32f10x_fsmc.h @@ -0,0 +1,733 @@ +/** + ****************************************************************************** + * @file stm32f10x_fsmc.h + * @author MCD Application Team + * @version V3.5.0 + * @date 11-March-2011 + * @brief This file contains all the functions prototypes for the FSMC firmware + * library. + ****************************************************************************** + * @attention + * + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + *

© COPYRIGHT 2011 STMicroelectronics

+ ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __STM32F10x_FSMC_H +#define __STM32F10x_FSMC_H + +#ifdef __cplusplus + extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f10x.h" + +/** @addtogroup STM32F10x_StdPeriph_Driver + * @{ + */ + +/** @addtogroup FSMC + * @{ + */ + +/** @defgroup FSMC_Exported_Types + * @{ + */ + +/** + * @brief Timing parameters For NOR/SRAM Banks + */ + +typedef struct +{ + uint32_t FSMC_AddressSetupTime; /*!< Defines the number of HCLK cycles to configure + the duration of the address setup time. + This parameter can be a value between 0 and 0xF. + @note: It is not used with synchronous NOR Flash memories. */ + + uint32_t FSMC_AddressHoldTime; /*!< Defines the number of HCLK cycles to configure + the duration of the address hold time. + This parameter can be a value between 0 and 0xF. + @note: It is not used with synchronous NOR Flash memories.*/ + + uint32_t FSMC_DataSetupTime; /*!< Defines the number of HCLK cycles to configure + the duration of the data setup time. + This parameter can be a value between 0 and 0xFF. + @note: It is used for SRAMs, ROMs and asynchronous multiplexed NOR Flash memories. */ + + uint32_t FSMC_BusTurnAroundDuration; /*!< Defines the number of HCLK cycles to configure + the duration of the bus turnaround. + This parameter can be a value between 0 and 0xF. + @note: It is only used for multiplexed NOR Flash memories. */ + + uint32_t FSMC_CLKDivision; /*!< Defines the period of CLK clock output signal, expressed in number of HCLK cycles. + This parameter can be a value between 1 and 0xF. + @note: This parameter is not used for asynchronous NOR Flash, SRAM or ROM accesses. */ + + uint32_t FSMC_DataLatency; /*!< Defines the number of memory clock cycles to issue + to the memory before getting the first data. + The value of this parameter depends on the memory type as shown below: + - It must be set to 0 in case of a CRAM + - It is don't care in asynchronous NOR, SRAM or ROM accesses + - It may assume a value between 0 and 0xF in NOR Flash memories + with synchronous burst mode enable */ + + uint32_t FSMC_AccessMode; /*!< Specifies the asynchronous access mode. + This parameter can be a value of @ref FSMC_Access_Mode */ +}FSMC_NORSRAMTimingInitTypeDef; + +/** + * @brief FSMC NOR/SRAM Init structure definition + */ + +typedef struct +{ + uint32_t FSMC_Bank; /*!< Specifies the NOR/SRAM memory bank that will be used. + This parameter can be a value of @ref FSMC_NORSRAM_Bank */ + + uint32_t FSMC_DataAddressMux; /*!< Specifies whether the address and data values are + multiplexed on the databus or not. + This parameter can be a value of @ref FSMC_Data_Address_Bus_Multiplexing */ + + uint32_t FSMC_MemoryType; /*!< Specifies the type of external memory attached to + the corresponding memory bank. + This parameter can be a value of @ref FSMC_Memory_Type */ + + uint32_t FSMC_MemoryDataWidth; /*!< Specifies the external memory device width. + This parameter can be a value of @ref FSMC_Data_Width */ + + uint32_t FSMC_BurstAccessMode; /*!< Enables or disables the burst access mode for Flash memory, + valid only with synchronous burst Flash memories. + This parameter can be a value of @ref FSMC_Burst_Access_Mode */ + + uint32_t FSMC_AsynchronousWait; /*!< Enables or disables wait signal during asynchronous transfers, + valid only with asynchronous Flash memories. + This parameter can be a value of @ref FSMC_AsynchronousWait */ + + uint32_t FSMC_WaitSignalPolarity; /*!< Specifies the wait signal polarity, valid only when accessing + the Flash memory in burst mode. + This parameter can be a value of @ref FSMC_Wait_Signal_Polarity */ + + uint32_t FSMC_WrapMode; /*!< Enables or disables the Wrapped burst access mode for Flash + memory, valid only when accessing Flash memories in burst mode. + This parameter can be a value of @ref FSMC_Wrap_Mode */ + + uint32_t FSMC_WaitSignalActive; /*!< Specifies if the wait signal is asserted by the memory one + clock cycle before the wait state or during the wait state, + valid only when accessing memories in burst mode. + This parameter can be a value of @ref FSMC_Wait_Timing */ + + uint32_t FSMC_WriteOperation; /*!< Enables or disables the write operation in the selected bank by the FSMC. + This parameter can be a value of @ref FSMC_Write_Operation */ + + uint32_t FSMC_WaitSignal; /*!< Enables or disables the wait-state insertion via wait + signal, valid for Flash memory access in burst mode. + This parameter can be a value of @ref FSMC_Wait_Signal */ + + uint32_t FSMC_ExtendedMode; /*!< Enables or disables the extended mode. + This parameter can be a value of @ref FSMC_Extended_Mode */ + + uint32_t FSMC_WriteBurst; /*!< Enables or disables the write burst operation. + This parameter can be a value of @ref FSMC_Write_Burst */ + + FSMC_NORSRAMTimingInitTypeDef* FSMC_ReadWriteTimingStruct; /*!< Timing Parameters for write and read access if the ExtendedMode is not used*/ + + FSMC_NORSRAMTimingInitTypeDef* FSMC_WriteTimingStruct; /*!< Timing Parameters for write access if the ExtendedMode is used*/ +}FSMC_NORSRAMInitTypeDef; + +/** + * @brief Timing parameters For FSMC NAND and PCCARD Banks + */ + +typedef struct +{ + uint32_t FSMC_SetupTime; /*!< Defines the number of HCLK cycles to setup address before + the command assertion for NAND-Flash read or write access + to common/Attribute or I/O memory space (depending on + the memory space timing to be configured). + This parameter can be a value between 0 and 0xFF.*/ + + uint32_t FSMC_WaitSetupTime; /*!< Defines the minimum number of HCLK cycles to assert the + command for NAND-Flash read or write access to + common/Attribute or I/O memory space (depending on the + memory space timing to be configured). + This parameter can be a number between 0x00 and 0xFF */ + + uint32_t FSMC_HoldSetupTime; /*!< Defines the number of HCLK clock cycles to hold address + (and data for write access) after the command deassertion + for NAND-Flash read or write access to common/Attribute + or I/O memory space (depending on the memory space timing + to be configured). + This parameter can be a number between 0x00 and 0xFF */ + + uint32_t FSMC_HiZSetupTime; /*!< Defines the number of HCLK clock cycles during which the + databus is kept in HiZ after the start of a NAND-Flash + write access to common/Attribute or I/O memory space (depending + on the memory space timing to be configured). + This parameter can be a number between 0x00 and 0xFF */ +}FSMC_NAND_PCCARDTimingInitTypeDef; + +/** + * @brief FSMC NAND Init structure definition + */ + +typedef struct +{ + uint32_t FSMC_Bank; /*!< Specifies the NAND memory bank that will be used. + This parameter can be a value of @ref FSMC_NAND_Bank */ + + uint32_t FSMC_Waitfeature; /*!< Enables or disables the Wait feature for the NAND Memory Bank. + This parameter can be any value of @ref FSMC_Wait_feature */ + + uint32_t FSMC_MemoryDataWidth; /*!< Specifies the external memory device width. + This parameter can be any value of @ref FSMC_Data_Width */ + + uint32_t FSMC_ECC; /*!< Enables or disables the ECC computation. + This parameter can be any value of @ref FSMC_ECC */ + + uint32_t FSMC_ECCPageSize; /*!< Defines the page size for the extended ECC. + This parameter can be any value of @ref FSMC_ECC_Page_Size */ + + uint32_t FSMC_TCLRSetupTime; /*!< Defines the number of HCLK cycles to configure the + delay between CLE low and RE low. + This parameter can be a value between 0 and 0xFF. */ + + uint32_t FSMC_TARSetupTime; /*!< Defines the number of HCLK cycles to configure the + delay between ALE low and RE low. + This parameter can be a number between 0x0 and 0xFF */ + + FSMC_NAND_PCCARDTimingInitTypeDef* FSMC_CommonSpaceTimingStruct; /*!< FSMC Common Space Timing */ + + FSMC_NAND_PCCARDTimingInitTypeDef* FSMC_AttributeSpaceTimingStruct; /*!< FSMC Attribute Space Timing */ +}FSMC_NANDInitTypeDef; + +/** + * @brief FSMC PCCARD Init structure definition + */ + +typedef struct +{ + uint32_t FSMC_Waitfeature; /*!< Enables or disables the Wait feature for the Memory Bank. + This parameter can be any value of @ref FSMC_Wait_feature */ + + uint32_t FSMC_TCLRSetupTime; /*!< Defines the number of HCLK cycles to configure the + delay between CLE low and RE low. + This parameter can be a value between 0 and 0xFF. */ + + uint32_t FSMC_TARSetupTime; /*!< Defines the number of HCLK cycles to configure the + delay between ALE low and RE low. + This parameter can be a number between 0x0 and 0xFF */ + + + FSMC_NAND_PCCARDTimingInitTypeDef* FSMC_CommonSpaceTimingStruct; /*!< FSMC Common Space Timing */ + + FSMC_NAND_PCCARDTimingInitTypeDef* FSMC_AttributeSpaceTimingStruct; /*!< FSMC Attribute Space Timing */ + + FSMC_NAND_PCCARDTimingInitTypeDef* FSMC_IOSpaceTimingStruct; /*!< FSMC IO Space Timing */ +}FSMC_PCCARDInitTypeDef; + +/** + * @} + */ + +/** @defgroup FSMC_Exported_Constants + * @{ + */ + +/** @defgroup FSMC_NORSRAM_Bank + * @{ + */ +#define FSMC_Bank1_NORSRAM1 ((uint32_t)0x00000000) +#define FSMC_Bank1_NORSRAM2 ((uint32_t)0x00000002) +#define FSMC_Bank1_NORSRAM3 ((uint32_t)0x00000004) +#define FSMC_Bank1_NORSRAM4 ((uint32_t)0x00000006) +/** + * @} + */ + +/** @defgroup FSMC_NAND_Bank + * @{ + */ +#define FSMC_Bank2_NAND ((uint32_t)0x00000010) +#define FSMC_Bank3_NAND ((uint32_t)0x00000100) +/** + * @} + */ + +/** @defgroup FSMC_PCCARD_Bank + * @{ + */ +#define FSMC_Bank4_PCCARD ((uint32_t)0x00001000) +/** + * @} + */ + +#define IS_FSMC_NORSRAM_BANK(BANK) (((BANK) == FSMC_Bank1_NORSRAM1) || \ + ((BANK) == FSMC_Bank1_NORSRAM2) || \ + ((BANK) == FSMC_Bank1_NORSRAM3) || \ + ((BANK) == FSMC_Bank1_NORSRAM4)) + +#define IS_FSMC_NAND_BANK(BANK) (((BANK) == FSMC_Bank2_NAND) || \ + ((BANK) == FSMC_Bank3_NAND)) + +#define IS_FSMC_GETFLAG_BANK(BANK) (((BANK) == FSMC_Bank2_NAND) || \ + ((BANK) == FSMC_Bank3_NAND) || \ + ((BANK) == FSMC_Bank4_PCCARD)) + +#define IS_FSMC_IT_BANK(BANK) (((BANK) == FSMC_Bank2_NAND) || \ + ((BANK) == FSMC_Bank3_NAND) || \ + ((BANK) == FSMC_Bank4_PCCARD)) + +/** @defgroup NOR_SRAM_Controller + * @{ + */ + +/** @defgroup FSMC_Data_Address_Bus_Multiplexing + * @{ + */ + +#define FSMC_DataAddressMux_Disable ((uint32_t)0x00000000) +#define FSMC_DataAddressMux_Enable ((uint32_t)0x00000002) +#define IS_FSMC_MUX(MUX) (((MUX) == FSMC_DataAddressMux_Disable) || \ + ((MUX) == FSMC_DataAddressMux_Enable)) + +/** + * @} + */ + +/** @defgroup FSMC_Memory_Type + * @{ + */ + +#define FSMC_MemoryType_SRAM ((uint32_t)0x00000000) +#define FSMC_MemoryType_PSRAM ((uint32_t)0x00000004) +#define FSMC_MemoryType_NOR ((uint32_t)0x00000008) +#define IS_FSMC_MEMORY(MEMORY) (((MEMORY) == FSMC_MemoryType_SRAM) || \ + ((MEMORY) == FSMC_MemoryType_PSRAM)|| \ + ((MEMORY) == FSMC_MemoryType_NOR)) + +/** + * @} + */ + +/** @defgroup FSMC_Data_Width + * @{ + */ + +#define FSMC_MemoryDataWidth_8b ((uint32_t)0x00000000) +#define FSMC_MemoryDataWidth_16b ((uint32_t)0x00000010) +#define IS_FSMC_MEMORY_WIDTH(WIDTH) (((WIDTH) == FSMC_MemoryDataWidth_8b) || \ + ((WIDTH) == FSMC_MemoryDataWidth_16b)) + +/** + * @} + */ + +/** @defgroup FSMC_Burst_Access_Mode + * @{ + */ + +#define FSMC_BurstAccessMode_Disable ((uint32_t)0x00000000) +#define FSMC_BurstAccessMode_Enable ((uint32_t)0x00000100) +#define IS_FSMC_BURSTMODE(STATE) (((STATE) == FSMC_BurstAccessMode_Disable) || \ + ((STATE) == FSMC_BurstAccessMode_Enable)) +/** + * @} + */ + +/** @defgroup FSMC_AsynchronousWait + * @{ + */ +#define FSMC_AsynchronousWait_Disable ((uint32_t)0x00000000) +#define FSMC_AsynchronousWait_Enable ((uint32_t)0x00008000) +#define IS_FSMC_ASYNWAIT(STATE) (((STATE) == FSMC_AsynchronousWait_Disable) || \ + ((STATE) == FSMC_AsynchronousWait_Enable)) + +/** + * @} + */ + +/** @defgroup FSMC_Wait_Signal_Polarity + * @{ + */ + +#define FSMC_WaitSignalPolarity_Low ((uint32_t)0x00000000) +#define FSMC_WaitSignalPolarity_High ((uint32_t)0x00000200) +#define IS_FSMC_WAIT_POLARITY(POLARITY) (((POLARITY) == FSMC_WaitSignalPolarity_Low) || \ + ((POLARITY) == FSMC_WaitSignalPolarity_High)) + +/** + * @} + */ + +/** @defgroup FSMC_Wrap_Mode + * @{ + */ + +#define FSMC_WrapMode_Disable ((uint32_t)0x00000000) +#define FSMC_WrapMode_Enable ((uint32_t)0x00000400) +#define IS_FSMC_WRAP_MODE(MODE) (((MODE) == FSMC_WrapMode_Disable) || \ + ((MODE) == FSMC_WrapMode_Enable)) + +/** + * @} + */ + +/** @defgroup FSMC_Wait_Timing + * @{ + */ + +#define FSMC_WaitSignalActive_BeforeWaitState ((uint32_t)0x00000000) +#define FSMC_WaitSignalActive_DuringWaitState ((uint32_t)0x00000800) +#define IS_FSMC_WAIT_SIGNAL_ACTIVE(ACTIVE) (((ACTIVE) == FSMC_WaitSignalActive_BeforeWaitState) || \ + ((ACTIVE) == FSMC_WaitSignalActive_DuringWaitState)) + +/** + * @} + */ + +/** @defgroup FSMC_Write_Operation + * @{ + */ + +#define FSMC_WriteOperation_Disable ((uint32_t)0x00000000) +#define FSMC_WriteOperation_Enable ((uint32_t)0x00001000) +#define IS_FSMC_WRITE_OPERATION(OPERATION) (((OPERATION) == FSMC_WriteOperation_Disable) || \ + ((OPERATION) == FSMC_WriteOperation_Enable)) + +/** + * @} + */ + +/** @defgroup FSMC_Wait_Signal + * @{ + */ + +#define FSMC_WaitSignal_Disable ((uint32_t)0x00000000) +#define FSMC_WaitSignal_Enable ((uint32_t)0x00002000) +#define IS_FSMC_WAITE_SIGNAL(SIGNAL) (((SIGNAL) == FSMC_WaitSignal_Disable) || \ + ((SIGNAL) == FSMC_WaitSignal_Enable)) +/** + * @} + */ + +/** @defgroup FSMC_Extended_Mode + * @{ + */ + +#define FSMC_ExtendedMode_Disable ((uint32_t)0x00000000) +#define FSMC_ExtendedMode_Enable ((uint32_t)0x00004000) + +#define IS_FSMC_EXTENDED_MODE(MODE) (((MODE) == FSMC_ExtendedMode_Disable) || \ + ((MODE) == FSMC_ExtendedMode_Enable)) + +/** + * @} + */ + +/** @defgroup FSMC_Write_Burst + * @{ + */ + +#define FSMC_WriteBurst_Disable ((uint32_t)0x00000000) +#define FSMC_WriteBurst_Enable ((uint32_t)0x00080000) +#define IS_FSMC_WRITE_BURST(BURST) (((BURST) == FSMC_WriteBurst_Disable) || \ + ((BURST) == FSMC_WriteBurst_Enable)) +/** + * @} + */ + +/** @defgroup FSMC_Address_Setup_Time + * @{ + */ + +#define IS_FSMC_ADDRESS_SETUP_TIME(TIME) ((TIME) <= 0xF) + +/** + * @} + */ + +/** @defgroup FSMC_Address_Hold_Time + * @{ + */ + +#define IS_FSMC_ADDRESS_HOLD_TIME(TIME) ((TIME) <= 0xF) + +/** + * @} + */ + +/** @defgroup FSMC_Data_Setup_Time + * @{ + */ + +#define IS_FSMC_DATASETUP_TIME(TIME) (((TIME) > 0) && ((TIME) <= 0xFF)) + +/** + * @} + */ + +/** @defgroup FSMC_Bus_Turn_around_Duration + * @{ + */ + +#define IS_FSMC_TURNAROUND_TIME(TIME) ((TIME) <= 0xF) + +/** + * @} + */ + +/** @defgroup FSMC_CLK_Division + * @{ + */ + +#define IS_FSMC_CLK_DIV(DIV) ((DIV) <= 0xF) + +/** + * @} + */ + +/** @defgroup FSMC_Data_Latency + * @{ + */ + +#define IS_FSMC_DATA_LATENCY(LATENCY) ((LATENCY) <= 0xF) + +/** + * @} + */ + +/** @defgroup FSMC_Access_Mode + * @{ + */ + +#define FSMC_AccessMode_A ((uint32_t)0x00000000) +#define FSMC_AccessMode_B ((uint32_t)0x10000000) +#define FSMC_AccessMode_C ((uint32_t)0x20000000) +#define FSMC_AccessMode_D ((uint32_t)0x30000000) +#define IS_FSMC_ACCESS_MODE(MODE) (((MODE) == FSMC_AccessMode_A) || \ + ((MODE) == FSMC_AccessMode_B) || \ + ((MODE) == FSMC_AccessMode_C) || \ + ((MODE) == FSMC_AccessMode_D)) + +/** + * @} + */ + +/** + * @} + */ + +/** @defgroup NAND_PCCARD_Controller + * @{ + */ + +/** @defgroup FSMC_Wait_feature + * @{ + */ + +#define FSMC_Waitfeature_Disable ((uint32_t)0x00000000) +#define FSMC_Waitfeature_Enable ((uint32_t)0x00000002) +#define IS_FSMC_WAIT_FEATURE(FEATURE) (((FEATURE) == FSMC_Waitfeature_Disable) || \ + ((FEATURE) == FSMC_Waitfeature_Enable)) + +/** + * @} + */ + + +/** @defgroup FSMC_ECC + * @{ + */ + +#define FSMC_ECC_Disable ((uint32_t)0x00000000) +#define FSMC_ECC_Enable ((uint32_t)0x00000040) +#define IS_FSMC_ECC_STATE(STATE) (((STATE) == FSMC_ECC_Disable) || \ + ((STATE) == FSMC_ECC_Enable)) + +/** + * @} + */ + +/** @defgroup FSMC_ECC_Page_Size + * @{ + */ + +#define FSMC_ECCPageSize_256Bytes ((uint32_t)0x00000000) +#define FSMC_ECCPageSize_512Bytes ((uint32_t)0x00020000) +#define FSMC_ECCPageSize_1024Bytes ((uint32_t)0x00040000) +#define FSMC_ECCPageSize_2048Bytes ((uint32_t)0x00060000) +#define FSMC_ECCPageSize_4096Bytes ((uint32_t)0x00080000) +#define FSMC_ECCPageSize_8192Bytes ((uint32_t)0x000A0000) +#define IS_FSMC_ECCPAGE_SIZE(SIZE) (((SIZE) == FSMC_ECCPageSize_256Bytes) || \ + ((SIZE) == FSMC_ECCPageSize_512Bytes) || \ + ((SIZE) == FSMC_ECCPageSize_1024Bytes) || \ + ((SIZE) == FSMC_ECCPageSize_2048Bytes) || \ + ((SIZE) == FSMC_ECCPageSize_4096Bytes) || \ + ((SIZE) == FSMC_ECCPageSize_8192Bytes)) + +/** + * @} + */ + +/** @defgroup FSMC_TCLR_Setup_Time + * @{ + */ + +#define IS_FSMC_TCLR_TIME(TIME) ((TIME) <= 0xFF) + +/** + * @} + */ + +/** @defgroup FSMC_TAR_Setup_Time + * @{ + */ + +#define IS_FSMC_TAR_TIME(TIME) ((TIME) <= 0xFF) + +/** + * @} + */ + +/** @defgroup FSMC_Setup_Time + * @{ + */ + +#define IS_FSMC_SETUP_TIME(TIME) ((TIME) <= 0xFF) + +/** + * @} + */ + +/** @defgroup FSMC_Wait_Setup_Time + * @{ + */ + +#define IS_FSMC_WAIT_TIME(TIME) ((TIME) <= 0xFF) + +/** + * @} + */ + +/** @defgroup FSMC_Hold_Setup_Time + * @{ + */ + +#define IS_FSMC_HOLD_TIME(TIME) ((TIME) <= 0xFF) + +/** + * @} + */ + +/** @defgroup FSMC_HiZ_Setup_Time + * @{ + */ + +#define IS_FSMC_HIZ_TIME(TIME) ((TIME) <= 0xFF) + +/** + * @} + */ + +/** @defgroup FSMC_Interrupt_sources + * @{ + */ + +#define FSMC_IT_RisingEdge ((uint32_t)0x00000008) +#define FSMC_IT_Level ((uint32_t)0x00000010) +#define FSMC_IT_FallingEdge ((uint32_t)0x00000020) +#define IS_FSMC_IT(IT) ((((IT) & (uint32_t)0xFFFFFFC7) == 0x00000000) && ((IT) != 0x00000000)) +#define IS_FSMC_GET_IT(IT) (((IT) == FSMC_IT_RisingEdge) || \ + ((IT) == FSMC_IT_Level) || \ + ((IT) == FSMC_IT_FallingEdge)) +/** + * @} + */ + +/** @defgroup FSMC_Flags + * @{ + */ + +#define FSMC_FLAG_RisingEdge ((uint32_t)0x00000001) +#define FSMC_FLAG_Level ((uint32_t)0x00000002) +#define FSMC_FLAG_FallingEdge ((uint32_t)0x00000004) +#define FSMC_FLAG_FEMPT ((uint32_t)0x00000040) +#define IS_FSMC_GET_FLAG(FLAG) (((FLAG) == FSMC_FLAG_RisingEdge) || \ + ((FLAG) == FSMC_FLAG_Level) || \ + ((FLAG) == FSMC_FLAG_FallingEdge) || \ + ((FLAG) == FSMC_FLAG_FEMPT)) + +#define IS_FSMC_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFFFFFFF8) == 0x00000000) && ((FLAG) != 0x00000000)) + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/** @defgroup FSMC_Exported_Macros + * @{ + */ + +/** + * @} + */ + +/** @defgroup FSMC_Exported_Functions + * @{ + */ + +void FSMC_NORSRAMDeInit(uint32_t FSMC_Bank); +void FSMC_NANDDeInit(uint32_t FSMC_Bank); +void FSMC_PCCARDDeInit(void); +void FSMC_NORSRAMInit(FSMC_NORSRAMInitTypeDef* FSMC_NORSRAMInitStruct); +void FSMC_NANDInit(FSMC_NANDInitTypeDef* FSMC_NANDInitStruct); +void FSMC_PCCARDInit(FSMC_PCCARDInitTypeDef* FSMC_PCCARDInitStruct); +void FSMC_NORSRAMStructInit(FSMC_NORSRAMInitTypeDef* FSMC_NORSRAMInitStruct); +void FSMC_NANDStructInit(FSMC_NANDInitTypeDef* FSMC_NANDInitStruct); +void FSMC_PCCARDStructInit(FSMC_PCCARDInitTypeDef* FSMC_PCCARDInitStruct); +void FSMC_NORSRAMCmd(uint32_t FSMC_Bank, FunctionalState NewState); +void FSMC_NANDCmd(uint32_t FSMC_Bank, FunctionalState NewState); +void FSMC_PCCARDCmd(FunctionalState NewState); +void FSMC_NANDECCCmd(uint32_t FSMC_Bank, FunctionalState NewState); +uint32_t FSMC_GetECC(uint32_t FSMC_Bank); +void FSMC_ITConfig(uint32_t FSMC_Bank, uint32_t FSMC_IT, FunctionalState NewState); +FlagStatus FSMC_GetFlagStatus(uint32_t FSMC_Bank, uint32_t FSMC_FLAG); +void FSMC_ClearFlag(uint32_t FSMC_Bank, uint32_t FSMC_FLAG); +ITStatus FSMC_GetITStatus(uint32_t FSMC_Bank, uint32_t FSMC_IT); +void FSMC_ClearITPendingBit(uint32_t FSMC_Bank, uint32_t FSMC_IT); + +#ifdef __cplusplus +} +#endif + +#endif /*__STM32F10x_FSMC_H */ +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ diff --git a/3-5 GPIO_光敏传感器/Library/stm32f10x_gpio.c b/3-5 GPIO_光敏传感器/Library/stm32f10x_gpio.c new file mode 100644 index 0000000..93dbcd7 --- /dev/null +++ b/3-5 GPIO_光敏传感器/Library/stm32f10x_gpio.c @@ -0,0 +1,650 @@ +/** + ****************************************************************************** + * @file stm32f10x_gpio.c + * @author MCD Application Team + * @version V3.5.0 + * @date 11-March-2011 + * @brief This file provides all the GPIO firmware functions. + ****************************************************************************** + * @attention + * + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + *

© COPYRIGHT 2011 STMicroelectronics

+ ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f10x_gpio.h" +#include "stm32f10x_rcc.h" + +/** @addtogroup STM32F10x_StdPeriph_Driver + * @{ + */ + +/** @defgroup GPIO + * @brief GPIO driver modules + * @{ + */ + +/** @defgroup GPIO_Private_TypesDefinitions + * @{ + */ + +/** + * @} + */ + +/** @defgroup GPIO_Private_Defines + * @{ + */ + +/* ------------ RCC registers bit address in the alias region ----------------*/ +#define AFIO_OFFSET (AFIO_BASE - PERIPH_BASE) + +/* --- EVENTCR Register -----*/ + +/* Alias word address of EVOE bit */ +#define EVCR_OFFSET (AFIO_OFFSET + 0x00) +#define EVOE_BitNumber ((uint8_t)0x07) +#define EVCR_EVOE_BB (PERIPH_BB_BASE + (EVCR_OFFSET * 32) + (EVOE_BitNumber * 4)) + + +/* --- MAPR Register ---*/ +/* Alias word address of MII_RMII_SEL bit */ +#define MAPR_OFFSET (AFIO_OFFSET + 0x04) +#define MII_RMII_SEL_BitNumber ((u8)0x17) +#define MAPR_MII_RMII_SEL_BB (PERIPH_BB_BASE + (MAPR_OFFSET * 32) + (MII_RMII_SEL_BitNumber * 4)) + + +#define EVCR_PORTPINCONFIG_MASK ((uint16_t)0xFF80) +#define LSB_MASK ((uint16_t)0xFFFF) +#define DBGAFR_POSITION_MASK ((uint32_t)0x000F0000) +#define DBGAFR_SWJCFG_MASK ((uint32_t)0xF0FFFFFF) +#define DBGAFR_LOCATION_MASK ((uint32_t)0x00200000) +#define DBGAFR_NUMBITS_MASK ((uint32_t)0x00100000) +/** + * @} + */ + +/** @defgroup GPIO_Private_Macros + * @{ + */ + +/** + * @} + */ + +/** @defgroup GPIO_Private_Variables + * @{ + */ + +/** + * @} + */ + +/** @defgroup GPIO_Private_FunctionPrototypes + * @{ + */ + +/** + * @} + */ + +/** @defgroup GPIO_Private_Functions + * @{ + */ + +/** + * @brief Deinitializes the GPIOx peripheral registers to their default reset values. + * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. + * @retval None + */ +void GPIO_DeInit(GPIO_TypeDef* GPIOx) +{ + /* Check the parameters */ + assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); + + if (GPIOx == GPIOA) + { + RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, ENABLE); + RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOA, DISABLE); + } + else if (GPIOx == GPIOB) + { + RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOB, ENABLE); + RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOB, DISABLE); + } + else if (GPIOx == GPIOC) + { + RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, ENABLE); + RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOC, DISABLE); + } + else if (GPIOx == GPIOD) + { + RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, ENABLE); + RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOD, DISABLE); + } + else if (GPIOx == GPIOE) + { + RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOE, ENABLE); + RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOE, DISABLE); + } + else if (GPIOx == GPIOF) + { + RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOF, ENABLE); + RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOF, DISABLE); + } + else + { + if (GPIOx == GPIOG) + { + RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOG, ENABLE); + RCC_APB2PeriphResetCmd(RCC_APB2Periph_GPIOG, DISABLE); + } + } +} + +/** + * @brief Deinitializes the Alternate Functions (remap, event control + * and EXTI configuration) registers to their default reset values. + * @param None + * @retval None + */ +void GPIO_AFIODeInit(void) +{ + RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, ENABLE); + RCC_APB2PeriphResetCmd(RCC_APB2Periph_AFIO, DISABLE); +} + +/** + * @brief Initializes the GPIOx peripheral according to the specified + * parameters in the GPIO_InitStruct. + * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. + * @param GPIO_InitStruct: pointer to a GPIO_InitTypeDef structure that + * contains the configuration information for the specified GPIO peripheral. + * @retval None + */ +void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct) +{ + uint32_t currentmode = 0x00, currentpin = 0x00, pinpos = 0x00, pos = 0x00; + uint32_t tmpreg = 0x00, pinmask = 0x00; + /* Check the parameters */ + assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); + assert_param(IS_GPIO_MODE(GPIO_InitStruct->GPIO_Mode)); + assert_param(IS_GPIO_PIN(GPIO_InitStruct->GPIO_Pin)); + +/*---------------------------- GPIO Mode Configuration -----------------------*/ + currentmode = ((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x0F); + if ((((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x10)) != 0x00) + { + /* Check the parameters */ + assert_param(IS_GPIO_SPEED(GPIO_InitStruct->GPIO_Speed)); + /* Output mode */ + currentmode |= (uint32_t)GPIO_InitStruct->GPIO_Speed; + } +/*---------------------------- GPIO CRL Configuration ------------------------*/ + /* Configure the eight low port pins */ + if (((uint32_t)GPIO_InitStruct->GPIO_Pin & ((uint32_t)0x00FF)) != 0x00) + { + tmpreg = GPIOx->CRL; + for (pinpos = 0x00; pinpos < 0x08; pinpos++) + { + pos = ((uint32_t)0x01) << pinpos; + /* Get the port pins position */ + currentpin = (GPIO_InitStruct->GPIO_Pin) & pos; + if (currentpin == pos) + { + pos = pinpos << 2; + /* Clear the corresponding low control register bits */ + pinmask = ((uint32_t)0x0F) << pos; + tmpreg &= ~pinmask; + /* Write the mode configuration in the corresponding bits */ + tmpreg |= (currentmode << pos); + /* Reset the corresponding ODR bit */ + if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD) + { + GPIOx->BRR = (((uint32_t)0x01) << pinpos); + } + else + { + /* Set the corresponding ODR bit */ + if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU) + { + GPIOx->BSRR = (((uint32_t)0x01) << pinpos); + } + } + } + } + GPIOx->CRL = tmpreg; + } +/*---------------------------- GPIO CRH Configuration ------------------------*/ + /* Configure the eight high port pins */ + if (GPIO_InitStruct->GPIO_Pin > 0x00FF) + { + tmpreg = GPIOx->CRH; + for (pinpos = 0x00; pinpos < 0x08; pinpos++) + { + pos = (((uint32_t)0x01) << (pinpos + 0x08)); + /* Get the port pins position */ + currentpin = ((GPIO_InitStruct->GPIO_Pin) & pos); + if (currentpin == pos) + { + pos = pinpos << 2; + /* Clear the corresponding high control register bits */ + pinmask = ((uint32_t)0x0F) << pos; + tmpreg &= ~pinmask; + /* Write the mode configuration in the corresponding bits */ + tmpreg |= (currentmode << pos); + /* Reset the corresponding ODR bit */ + if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD) + { + GPIOx->BRR = (((uint32_t)0x01) << (pinpos + 0x08)); + } + /* Set the corresponding ODR bit */ + if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU) + { + GPIOx->BSRR = (((uint32_t)0x01) << (pinpos + 0x08)); + } + } + } + GPIOx->CRH = tmpreg; + } +} + +/** + * @brief Fills each GPIO_InitStruct member with its default value. + * @param GPIO_InitStruct : pointer to a GPIO_InitTypeDef structure which will + * be initialized. + * @retval None + */ +void GPIO_StructInit(GPIO_InitTypeDef* GPIO_InitStruct) +{ + /* Reset GPIO init structure parameters values */ + GPIO_InitStruct->GPIO_Pin = GPIO_Pin_All; + GPIO_InitStruct->GPIO_Speed = GPIO_Speed_2MHz; + GPIO_InitStruct->GPIO_Mode = GPIO_Mode_IN_FLOATING; +} + +/** + * @brief Reads the specified input port pin. + * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. + * @param GPIO_Pin: specifies the port bit to read. + * This parameter can be GPIO_Pin_x where x can be (0..15). + * @retval The input port pin value. + */ +uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin) +{ + uint8_t bitstatus = 0x00; + + /* Check the parameters */ + assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); + assert_param(IS_GET_GPIO_PIN(GPIO_Pin)); + + if ((GPIOx->IDR & GPIO_Pin) != (uint32_t)Bit_RESET) + { + bitstatus = (uint8_t)Bit_SET; + } + else + { + bitstatus = (uint8_t)Bit_RESET; + } + return bitstatus; +} + +/** + * @brief Reads the specified GPIO input data port. + * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. + * @retval GPIO input data port value. + */ +uint16_t GPIO_ReadInputData(GPIO_TypeDef* GPIOx) +{ + /* Check the parameters */ + assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); + + return ((uint16_t)GPIOx->IDR); +} + +/** + * @brief Reads the specified output data port bit. + * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. + * @param GPIO_Pin: specifies the port bit to read. + * This parameter can be GPIO_Pin_x where x can be (0..15). + * @retval The output port pin value. + */ +uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin) +{ + uint8_t bitstatus = 0x00; + /* Check the parameters */ + assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); + assert_param(IS_GET_GPIO_PIN(GPIO_Pin)); + + if ((GPIOx->ODR & GPIO_Pin) != (uint32_t)Bit_RESET) + { + bitstatus = (uint8_t)Bit_SET; + } + else + { + bitstatus = (uint8_t)Bit_RESET; + } + return bitstatus; +} + +/** + * @brief Reads the specified GPIO output data port. + * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. + * @retval GPIO output data port value. + */ +uint16_t GPIO_ReadOutputData(GPIO_TypeDef* GPIOx) +{ + /* Check the parameters */ + assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); + + return ((uint16_t)GPIOx->ODR); +} + +/** + * @brief Sets the selected data port bits. + * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. + * @param GPIO_Pin: specifies the port bits to be written. + * This parameter can be any combination of GPIO_Pin_x where x can be (0..15). + * @retval None + */ +void GPIO_SetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin) +{ + /* Check the parameters */ + assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); + assert_param(IS_GPIO_PIN(GPIO_Pin)); + + GPIOx->BSRR = GPIO_Pin; +} + +/** + * @brief Clears the selected data port bits. + * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. + * @param GPIO_Pin: specifies the port bits to be written. + * This parameter can be any combination of GPIO_Pin_x where x can be (0..15). + * @retval None + */ +void GPIO_ResetBits(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin) +{ + /* Check the parameters */ + assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); + assert_param(IS_GPIO_PIN(GPIO_Pin)); + + GPIOx->BRR = GPIO_Pin; +} + +/** + * @brief Sets or clears the selected data port bit. + * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. + * @param GPIO_Pin: specifies the port bit to be written. + * This parameter can be one of GPIO_Pin_x where x can be (0..15). + * @param BitVal: specifies the value to be written to the selected bit. + * This parameter can be one of the BitAction enum values: + * @arg Bit_RESET: to clear the port pin + * @arg Bit_SET: to set the port pin + * @retval None + */ +void GPIO_WriteBit(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, BitAction BitVal) +{ + /* Check the parameters */ + assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); + assert_param(IS_GET_GPIO_PIN(GPIO_Pin)); + assert_param(IS_GPIO_BIT_ACTION(BitVal)); + + if (BitVal != Bit_RESET) + { + GPIOx->BSRR = GPIO_Pin; + } + else + { + GPIOx->BRR = GPIO_Pin; + } +} + +/** + * @brief Writes data to the specified GPIO data port. + * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. + * @param PortVal: specifies the value to be written to the port output data register. + * @retval None + */ +void GPIO_Write(GPIO_TypeDef* GPIOx, uint16_t PortVal) +{ + /* Check the parameters */ + assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); + + GPIOx->ODR = PortVal; +} + +/** + * @brief Locks GPIO Pins configuration registers. + * @param GPIOx: where x can be (A..G) to select the GPIO peripheral. + * @param GPIO_Pin: specifies the port bit to be written. + * This parameter can be any combination of GPIO_Pin_x where x can be (0..15). + * @retval None + */ +void GPIO_PinLockConfig(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin) +{ + uint32_t tmp = 0x00010000; + + /* Check the parameters */ + assert_param(IS_GPIO_ALL_PERIPH(GPIOx)); + assert_param(IS_GPIO_PIN(GPIO_Pin)); + + tmp |= GPIO_Pin; + /* Set LCKK bit */ + GPIOx->LCKR = tmp; + /* Reset LCKK bit */ + GPIOx->LCKR = GPIO_Pin; + /* Set LCKK bit */ + GPIOx->LCKR = tmp; + /* Read LCKK bit*/ + tmp = GPIOx->LCKR; + /* Read LCKK bit*/ + tmp = GPIOx->LCKR; +} + +/** + * @brief Selects the GPIO pin used as Event output. + * @param GPIO_PortSource: selects the GPIO port to be used as source + * for Event output. + * This parameter can be GPIO_PortSourceGPIOx where x can be (A..E). + * @param GPIO_PinSource: specifies the pin for the Event output. + * This parameter can be GPIO_PinSourcex where x can be (0..15). + * @retval None + */ +void GPIO_EventOutputConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource) +{ + uint32_t tmpreg = 0x00; + /* Check the parameters */ + assert_param(IS_GPIO_EVENTOUT_PORT_SOURCE(GPIO_PortSource)); + assert_param(IS_GPIO_PIN_SOURCE(GPIO_PinSource)); + + tmpreg = AFIO->EVCR; + /* Clear the PORT[6:4] and PIN[3:0] bits */ + tmpreg &= EVCR_PORTPINCONFIG_MASK; + tmpreg |= (uint32_t)GPIO_PortSource << 0x04; + tmpreg |= GPIO_PinSource; + AFIO->EVCR = tmpreg; +} + +/** + * @brief Enables or disables the Event Output. + * @param NewState: new state of the Event output. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void GPIO_EventOutputCmd(FunctionalState NewState) +{ + /* Check the parameters */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + *(__IO uint32_t *) EVCR_EVOE_BB = (uint32_t)NewState; +} + +/** + * @brief Changes the mapping of the specified pin. + * @param GPIO_Remap: selects the pin to remap. + * This parameter can be one of the following values: + * @arg GPIO_Remap_SPI1 : SPI1 Alternate Function mapping + * @arg GPIO_Remap_I2C1 : I2C1 Alternate Function mapping + * @arg GPIO_Remap_USART1 : USART1 Alternate Function mapping + * @arg GPIO_Remap_USART2 : USART2 Alternate Function mapping + * @arg GPIO_PartialRemap_USART3 : USART3 Partial Alternate Function mapping + * @arg GPIO_FullRemap_USART3 : USART3 Full Alternate Function mapping + * @arg GPIO_PartialRemap_TIM1 : TIM1 Partial Alternate Function mapping + * @arg GPIO_FullRemap_TIM1 : TIM1 Full Alternate Function mapping + * @arg GPIO_PartialRemap1_TIM2 : TIM2 Partial1 Alternate Function mapping + * @arg GPIO_PartialRemap2_TIM2 : TIM2 Partial2 Alternate Function mapping + * @arg GPIO_FullRemap_TIM2 : TIM2 Full Alternate Function mapping + * @arg GPIO_PartialRemap_TIM3 : TIM3 Partial Alternate Function mapping + * @arg GPIO_FullRemap_TIM3 : TIM3 Full Alternate Function mapping + * @arg GPIO_Remap_TIM4 : TIM4 Alternate Function mapping + * @arg GPIO_Remap1_CAN1 : CAN1 Alternate Function mapping + * @arg GPIO_Remap2_CAN1 : CAN1 Alternate Function mapping + * @arg GPIO_Remap_PD01 : PD01 Alternate Function mapping + * @arg GPIO_Remap_TIM5CH4_LSI : LSI connected to TIM5 Channel4 input capture for calibration + * @arg GPIO_Remap_ADC1_ETRGINJ : ADC1 External Trigger Injected Conversion remapping + * @arg GPIO_Remap_ADC1_ETRGREG : ADC1 External Trigger Regular Conversion remapping + * @arg GPIO_Remap_ADC2_ETRGINJ : ADC2 External Trigger Injected Conversion remapping + * @arg GPIO_Remap_ADC2_ETRGREG : ADC2 External Trigger Regular Conversion remapping + * @arg GPIO_Remap_ETH : Ethernet remapping (only for Connectivity line devices) + * @arg GPIO_Remap_CAN2 : CAN2 remapping (only for Connectivity line devices) + * @arg GPIO_Remap_SWJ_NoJTRST : Full SWJ Enabled (JTAG-DP + SW-DP) but without JTRST + * @arg GPIO_Remap_SWJ_JTAGDisable : JTAG-DP Disabled and SW-DP Enabled + * @arg GPIO_Remap_SWJ_Disable : Full SWJ Disabled (JTAG-DP + SW-DP) + * @arg GPIO_Remap_SPI3 : SPI3/I2S3 Alternate Function mapping (only for Connectivity line devices) + * When the SPI3/I2S3 is remapped using this function, the SWJ is configured + * to Full SWJ Enabled (JTAG-DP + SW-DP) but without JTRST. + * @arg GPIO_Remap_TIM2ITR1_PTP_SOF : Ethernet PTP output or USB OTG SOF (Start of Frame) connected + * to TIM2 Internal Trigger 1 for calibration (only for Connectivity line devices) + * If the GPIO_Remap_TIM2ITR1_PTP_SOF is enabled the TIM2 ITR1 is connected to + * Ethernet PTP output. When Reset TIM2 ITR1 is connected to USB OTG SOF output. + * @arg GPIO_Remap_PTP_PPS : Ethernet MAC PPS_PTS output on PB05 (only for Connectivity line devices) + * @arg GPIO_Remap_TIM15 : TIM15 Alternate Function mapping (only for Value line devices) + * @arg GPIO_Remap_TIM16 : TIM16 Alternate Function mapping (only for Value line devices) + * @arg GPIO_Remap_TIM17 : TIM17 Alternate Function mapping (only for Value line devices) + * @arg GPIO_Remap_CEC : CEC Alternate Function mapping (only for Value line devices) + * @arg GPIO_Remap_TIM1_DMA : TIM1 DMA requests mapping (only for Value line devices) + * @arg GPIO_Remap_TIM9 : TIM9 Alternate Function mapping (only for XL-density devices) + * @arg GPIO_Remap_TIM10 : TIM10 Alternate Function mapping (only for XL-density devices) + * @arg GPIO_Remap_TIM11 : TIM11 Alternate Function mapping (only for XL-density devices) + * @arg GPIO_Remap_TIM13 : TIM13 Alternate Function mapping (only for High density Value line and XL-density devices) + * @arg GPIO_Remap_TIM14 : TIM14 Alternate Function mapping (only for High density Value line and XL-density devices) + * @arg GPIO_Remap_FSMC_NADV : FSMC_NADV Alternate Function mapping (only for High density Value line and XL-density devices) + * @arg GPIO_Remap_TIM67_DAC_DMA : TIM6/TIM7 and DAC DMA requests remapping (only for High density Value line devices) + * @arg GPIO_Remap_TIM12 : TIM12 Alternate Function mapping (only for High density Value line devices) + * @arg GPIO_Remap_MISC : Miscellaneous Remap (DMA2 Channel5 Position and DAC Trigger remapping, + * only for High density Value line devices) + * @param NewState: new state of the port pin remapping. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void GPIO_PinRemapConfig(uint32_t GPIO_Remap, FunctionalState NewState) +{ + uint32_t tmp = 0x00, tmp1 = 0x00, tmpreg = 0x00, tmpmask = 0x00; + + /* Check the parameters */ + assert_param(IS_GPIO_REMAP(GPIO_Remap)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if((GPIO_Remap & 0x80000000) == 0x80000000) + { + tmpreg = AFIO->MAPR2; + } + else + { + tmpreg = AFIO->MAPR; + } + + tmpmask = (GPIO_Remap & DBGAFR_POSITION_MASK) >> 0x10; + tmp = GPIO_Remap & LSB_MASK; + + if ((GPIO_Remap & (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK)) == (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK)) + { + tmpreg &= DBGAFR_SWJCFG_MASK; + AFIO->MAPR &= DBGAFR_SWJCFG_MASK; + } + else if ((GPIO_Remap & DBGAFR_NUMBITS_MASK) == DBGAFR_NUMBITS_MASK) + { + tmp1 = ((uint32_t)0x03) << tmpmask; + tmpreg &= ~tmp1; + tmpreg |= ~DBGAFR_SWJCFG_MASK; + } + else + { + tmpreg &= ~(tmp << ((GPIO_Remap >> 0x15)*0x10)); + tmpreg |= ~DBGAFR_SWJCFG_MASK; + } + + if (NewState != DISABLE) + { + tmpreg |= (tmp << ((GPIO_Remap >> 0x15)*0x10)); + } + + if((GPIO_Remap & 0x80000000) == 0x80000000) + { + AFIO->MAPR2 = tmpreg; + } + else + { + AFIO->MAPR = tmpreg; + } +} + +/** + * @brief Selects the GPIO pin used as EXTI Line. + * @param GPIO_PortSource: selects the GPIO port to be used as source for EXTI lines. + * This parameter can be GPIO_PortSourceGPIOx where x can be (A..G). + * @param GPIO_PinSource: specifies the EXTI line to be configured. + * This parameter can be GPIO_PinSourcex where x can be (0..15). + * @retval None + */ +void GPIO_EXTILineConfig(uint8_t GPIO_PortSource, uint8_t GPIO_PinSource) +{ + uint32_t tmp = 0x00; + /* Check the parameters */ + assert_param(IS_GPIO_EXTI_PORT_SOURCE(GPIO_PortSource)); + assert_param(IS_GPIO_PIN_SOURCE(GPIO_PinSource)); + + tmp = ((uint32_t)0x0F) << (0x04 * (GPIO_PinSource & (uint8_t)0x03)); + AFIO->EXTICR[GPIO_PinSource >> 0x02] &= ~tmp; + AFIO->EXTICR[GPIO_PinSource >> 0x02] |= (((uint32_t)GPIO_PortSource) << (0x04 * (GPIO_PinSource & (uint8_t)0x03))); +} + +/** + * @brief Selects the Ethernet media interface. + * @note This function applies only to STM32 Connectivity line devices. + * @param GPIO_ETH_MediaInterface: specifies the Media Interface mode. + * This parameter can be one of the following values: + * @arg GPIO_ETH_MediaInterface_MII: MII mode + * @arg GPIO_ETH_MediaInterface_RMII: RMII mode + * @retval None + */ +void GPIO_ETH_MediaInterfaceConfig(uint32_t GPIO_ETH_MediaInterface) +{ + assert_param(IS_GPIO_ETH_MEDIA_INTERFACE(GPIO_ETH_MediaInterface)); + + /* Configure MII_RMII selection bit */ + *(__IO uint32_t *) MAPR_MII_RMII_SEL_BB = GPIO_ETH_MediaInterface; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/