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chenguang
2026-02-21 20:04:07 -05:00
parent b8000388ab
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3-5 GPIO_光敏传感器/Library/stm32f10x_crc.c Normal file
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/**
******************************************************************************
* @file stm32f10x_crc.c
* @author MCD Application Team
* @version V3.5.0
* @date 11-March-2011
* @brief This file provides all the CRC 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.
*
* <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_crc.h"
/** @addtogroup STM32F10x_StdPeriph_Driver
* @{
*/
/** @defgroup CRC
* @brief CRC driver modules
* @{
*/
/** @defgroup CRC_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup CRC_Private_Defines
* @{
*/
/**
* @}
*/
/** @defgroup CRC_Private_Macros
* @{
*/
/**
* @}
*/
/** @defgroup CRC_Private_Variables
* @{
*/
/**
* @}
*/
/** @defgroup CRC_Private_FunctionPrototypes
* @{
*/
/**
* @}
*/
/** @defgroup CRC_Private_Functions
* @{
*/
/**
* @brief Resets the CRC Data register (DR).
* @param None
* @retval None
*/
void CRC_ResetDR(void)
{
/* Reset CRC generator */
CRC->CR = CRC_CR_RESET;
}
/**
* @brief Computes the 32-bit CRC of a given data word(32-bit).
* @param Data: data word(32-bit) to compute its CRC
* @retval 32-bit CRC
*/
uint32_t CRC_CalcCRC(uint32_t Data)
{
CRC->DR = Data;
return (CRC->DR);
}
/**
* @brief Computes the 32-bit CRC of a given buffer of data word(32-bit).
* @param pBuffer: pointer to the buffer containing the data to be computed
* @param BufferLength: length of the buffer to be computed
* @retval 32-bit CRC
*/
uint32_t CRC_CalcBlockCRC(uint32_t pBuffer[], uint32_t BufferLength)
{
uint32_t index = 0;
for(index = 0; index < BufferLength; index++)
{
CRC->DR = pBuffer[index];
}
return (CRC->DR);
}
/**
* @brief Returns the current CRC value.
* @param None
* @retval 32-bit CRC
*/
uint32_t CRC_GetCRC(void)
{
return (CRC->DR);
}
/**
* @brief Stores a 8-bit data in the Independent Data(ID) register.
* @param IDValue: 8-bit value to be stored in the ID register
* @retval None
*/
void CRC_SetIDRegister(uint8_t IDValue)
{
CRC->IDR = IDValue;
}
/**
* @brief Returns the 8-bit data stored in the Independent Data(ID) register
* @param None
* @retval 8-bit value of the ID register
*/
uint8_t CRC_GetIDRegister(void)
{
return (CRC->IDR);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

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3-5 GPIO_光敏传感器/Library/stm32f10x_crc.h Normal file
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/**
******************************************************************************
* @file stm32f10x_crc.h
* @author MCD Application Team
* @version V3.5.0
* @date 11-March-2011
* @brief This file contains all the functions prototypes for the CRC 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.
*
* <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F10x_CRC_H
#define __STM32F10x_CRC_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
/** @addtogroup STM32F10x_StdPeriph_Driver
* @{
*/
/** @addtogroup CRC
* @{
*/
/** @defgroup CRC_Exported_Types
* @{
*/
/**
* @}
*/
/** @defgroup CRC_Exported_Constants
* @{
*/
/**
* @}
*/
/** @defgroup CRC_Exported_Macros
* @{
*/
/**
* @}
*/
/** @defgroup CRC_Exported_Functions
* @{
*/
void CRC_ResetDR(void);
uint32_t CRC_CalcCRC(uint32_t Data);
uint32_t CRC_CalcBlockCRC(uint32_t pBuffer[], uint32_t BufferLength);
uint32_t CRC_GetCRC(void);
void CRC_SetIDRegister(uint8_t IDValue);
uint8_t CRC_GetIDRegister(void);
#ifdef __cplusplus
}
#endif
#endif /* __STM32F10x_CRC_H */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

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3-5 GPIO_光敏传感器/Library/stm32f10x_dac.c Normal file
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/**
******************************************************************************
* @file stm32f10x_dac.c
* @author MCD Application Team
* @version V3.5.0
* @date 11-March-2011
* @brief This file provides all the DAC 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.
*
* <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_dac.h"
#include "stm32f10x_rcc.h"
/** @addtogroup STM32F10x_StdPeriph_Driver
* @{
*/
/** @defgroup DAC
* @brief DAC driver modules
* @{
*/
/** @defgroup DAC_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup DAC_Private_Defines
* @{
*/
/* CR register Mask */
#define CR_CLEAR_MASK ((uint32_t)0x00000FFE)
/* DAC Dual Channels SWTRIG masks */
#define DUAL_SWTRIG_SET ((uint32_t)0x00000003)
#define DUAL_SWTRIG_RESET ((uint32_t)0xFFFFFFFC)
/* DHR registers offsets */
#define DHR12R1_OFFSET ((uint32_t)0x00000008)
#define DHR12R2_OFFSET ((uint32_t)0x00000014)
#define DHR12RD_OFFSET ((uint32_t)0x00000020)
/* DOR register offset */
#define DOR_OFFSET ((uint32_t)0x0000002C)
/**
* @}
*/
/** @defgroup DAC_Private_Macros
* @{
*/
/**
* @}
*/
/** @defgroup DAC_Private_Variables
* @{
*/
/**
* @}
*/
/** @defgroup DAC_Private_FunctionPrototypes
* @{
*/
/**
* @}
*/
/** @defgroup DAC_Private_Functions
* @{
*/
/**
* @brief Deinitializes the DAC peripheral registers to their default reset values.
* @param None
* @retval None
*/
void DAC_DeInit(void)
{
/* Enable DAC reset state */
RCC_APB1PeriphResetCmd(RCC_APB1Periph_DAC, ENABLE);
/* Release DAC from reset state */
RCC_APB1PeriphResetCmd(RCC_APB1Periph_DAC, DISABLE);
}
/**
* @brief Initializes the DAC peripheral according to the specified
* parameters in the DAC_InitStruct.
* @param DAC_Channel: the selected DAC channel.
* This parameter can be one of the following values:
* @arg DAC_Channel_1: DAC Channel1 selected
* @arg DAC_Channel_2: DAC Channel2 selected
* @param DAC_InitStruct: pointer to a DAC_InitTypeDef structure that
* contains the configuration information for the specified DAC channel.
* @retval None
*/
void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef* DAC_InitStruct)
{
uint32_t tmpreg1 = 0, tmpreg2 = 0;
/* Check the DAC parameters */
assert_param(IS_DAC_TRIGGER(DAC_InitStruct->DAC_Trigger));
assert_param(IS_DAC_GENERATE_WAVE(DAC_InitStruct->DAC_WaveGeneration));
assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude));
assert_param(IS_DAC_OUTPUT_BUFFER_STATE(DAC_InitStruct->DAC_OutputBuffer));
/*---------------------------- DAC CR Configuration --------------------------*/
/* Get the DAC CR value */
tmpreg1 = DAC->CR;
/* Clear BOFFx, TENx, TSELx, WAVEx and MAMPx bits */
tmpreg1 &= ~(CR_CLEAR_MASK << DAC_Channel);
/* Configure for the selected DAC channel: buffer output, trigger, wave generation,
mask/amplitude for wave generation */
/* Set TSELx and TENx bits according to DAC_Trigger value */
/* Set WAVEx bits according to DAC_WaveGeneration value */
/* Set MAMPx bits according to DAC_LFSRUnmask_TriangleAmplitude value */
/* Set BOFFx bit according to DAC_OutputBuffer value */
tmpreg2 = (DAC_InitStruct->DAC_Trigger | DAC_InitStruct->DAC_WaveGeneration |
DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude | DAC_InitStruct->DAC_OutputBuffer);
/* Calculate CR register value depending on DAC_Channel */
tmpreg1 |= tmpreg2 << DAC_Channel;
/* Write to DAC CR */
DAC->CR = tmpreg1;
}
/**
* @brief Fills each DAC_InitStruct member with its default value.
* @param DAC_InitStruct : pointer to a DAC_InitTypeDef structure which will
* be initialized.
* @retval None
*/
void DAC_StructInit(DAC_InitTypeDef* DAC_InitStruct)
{
/*--------------- Reset DAC init structure parameters values -----------------*/
/* Initialize the DAC_Trigger member */
DAC_InitStruct->DAC_Trigger = DAC_Trigger_None;
/* Initialize the DAC_WaveGeneration member */
DAC_InitStruct->DAC_WaveGeneration = DAC_WaveGeneration_None;
/* Initialize the DAC_LFSRUnmask_TriangleAmplitude member */
DAC_InitStruct->DAC_LFSRUnmask_TriangleAmplitude = DAC_LFSRUnmask_Bit0;
/* Initialize the DAC_OutputBuffer member */
DAC_InitStruct->DAC_OutputBuffer = DAC_OutputBuffer_Enable;
}
/**
* @brief Enables or disables the specified DAC channel.
* @param DAC_Channel: the selected DAC channel.
* This parameter can be one of the following values:
* @arg DAC_Channel_1: DAC Channel1 selected
* @arg DAC_Channel_2: DAC Channel2 selected
* @param NewState: new state of the DAC channel.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_DAC_CHANNEL(DAC_Channel));
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (NewState != DISABLE)
{
/* Enable the selected DAC channel */
DAC->CR |= (DAC_CR_EN1 << DAC_Channel);
}
else
{
/* Disable the selected DAC channel */
DAC->CR &= ~(DAC_CR_EN1 << DAC_Channel);
}
}
#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL)
/**
* @brief Enables or disables the specified DAC interrupts.
* @param DAC_Channel: the selected DAC channel.
* This parameter can be one of the following values:
* @arg DAC_Channel_1: DAC Channel1 selected
* @arg DAC_Channel_2: DAC Channel2 selected
* @param DAC_IT: specifies the DAC interrupt sources to be enabled or disabled.
* This parameter can be the following values:
* @arg DAC_IT_DMAUDR: DMA underrun interrupt mask
* @param NewState: new state of the specified DAC interrupts.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void DAC_ITConfig(uint32_t DAC_Channel, uint32_t DAC_IT, FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_DAC_CHANNEL(DAC_Channel));
assert_param(IS_FUNCTIONAL_STATE(NewState));
assert_param(IS_DAC_IT(DAC_IT));
if (NewState != DISABLE)
{
/* Enable the selected DAC interrupts */
DAC->CR |= (DAC_IT << DAC_Channel);
}
else
{
/* Disable the selected DAC interrupts */
DAC->CR &= (~(uint32_t)(DAC_IT << DAC_Channel));
}
}
#endif
/**
* @brief Enables or disables the specified DAC channel DMA request.
* @param DAC_Channel: the selected DAC channel.
* This parameter can be one of the following values:
* @arg DAC_Channel_1: DAC Channel1 selected
* @arg DAC_Channel_2: DAC Channel2 selected
* @param NewState: new state of the selected DAC channel DMA request.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_DAC_CHANNEL(DAC_Channel));
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (NewState != DISABLE)
{
/* Enable the selected DAC channel DMA request */
DAC->CR |= (DAC_CR_DMAEN1 << DAC_Channel);
}
else
{
/* Disable the selected DAC channel DMA request */
DAC->CR &= ~(DAC_CR_DMAEN1 << DAC_Channel);
}
}
/**
* @brief Enables or disables the selected DAC channel software trigger.
* @param DAC_Channel: the selected DAC channel.
* This parameter can be one of the following values:
* @arg DAC_Channel_1: DAC Channel1 selected
* @arg DAC_Channel_2: DAC Channel2 selected
* @param NewState: new state of the selected DAC channel software trigger.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_DAC_CHANNEL(DAC_Channel));
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (NewState != DISABLE)
{
/* Enable software trigger for the selected DAC channel */
DAC->SWTRIGR |= (uint32_t)DAC_SWTRIGR_SWTRIG1 << (DAC_Channel >> 4);
}
else
{
/* Disable software trigger for the selected DAC channel */
DAC->SWTRIGR &= ~((uint32_t)DAC_SWTRIGR_SWTRIG1 << (DAC_Channel >> 4));
}
}
/**
* @brief Enables or disables simultaneously the two DAC channels software
* triggers.
* @param NewState: new state of the DAC channels software triggers.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void DAC_DualSoftwareTriggerCmd(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (NewState != DISABLE)
{
/* Enable software trigger for both DAC channels */
DAC->SWTRIGR |= DUAL_SWTRIG_SET ;
}
else
{
/* Disable software trigger for both DAC channels */
DAC->SWTRIGR &= DUAL_SWTRIG_RESET;
}
}
/**
* @brief Enables or disables the selected DAC channel wave generation.
* @param DAC_Channel: the selected DAC channel.
* This parameter can be one of the following values:
* @arg DAC_Channel_1: DAC Channel1 selected
* @arg DAC_Channel_2: DAC Channel2 selected
* @param DAC_Wave: Specifies the wave type to enable or disable.
* This parameter can be one of the following values:
* @arg DAC_Wave_Noise: noise wave generation
* @arg DAC_Wave_Triangle: triangle wave generation
* @param NewState: new state of the selected DAC channel wave generation.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void DAC_WaveGenerationCmd(uint32_t DAC_Channel, uint32_t DAC_Wave, FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_DAC_CHANNEL(DAC_Channel));
assert_param(IS_DAC_WAVE(DAC_Wave));
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (NewState != DISABLE)
{
/* Enable the selected wave generation for the selected DAC channel */
DAC->CR |= DAC_Wave << DAC_Channel;
}
else
{
/* Disable the selected wave generation for the selected DAC channel */
DAC->CR &= ~(DAC_Wave << DAC_Channel);
}
}
/**
* @brief Set the specified data holding register value for DAC channel1.
* @param DAC_Align: Specifies the data alignment for DAC channel1.
* This parameter can be one of the following values:
* @arg DAC_Align_8b_R: 8bit right data alignment selected
* @arg DAC_Align_12b_L: 12bit left data alignment selected
* @arg DAC_Align_12b_R: 12bit right data alignment selected
* @param Data : Data to be loaded in the selected data holding register.
* @retval None
*/
void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data)
{
__IO uint32_t tmp = 0;
/* Check the parameters */
assert_param(IS_DAC_ALIGN(DAC_Align));
assert_param(IS_DAC_DATA(Data));
tmp = (uint32_t)DAC_BASE;
tmp += DHR12R1_OFFSET + DAC_Align;
/* Set the DAC channel1 selected data holding register */
*(__IO uint32_t *) tmp = Data;
}
/**
* @brief Set the specified data holding register value for DAC channel2.
* @param DAC_Align: Specifies the data alignment for DAC channel2.
* This parameter can be one of the following values:
* @arg DAC_Align_8b_R: 8bit right data alignment selected
* @arg DAC_Align_12b_L: 12bit left data alignment selected
* @arg DAC_Align_12b_R: 12bit right data alignment selected
* @param Data : Data to be loaded in the selected data holding register.
* @retval None
*/
void DAC_SetChannel2Data(uint32_t DAC_Align, uint16_t Data)
{
__IO uint32_t tmp = 0;
/* Check the parameters */
assert_param(IS_DAC_ALIGN(DAC_Align));
assert_param(IS_DAC_DATA(Data));
tmp = (uint32_t)DAC_BASE;
tmp += DHR12R2_OFFSET + DAC_Align;
/* Set the DAC channel2 selected data holding register */
*(__IO uint32_t *)tmp = Data;
}
/**
* @brief Set the specified data holding register value for dual channel
* DAC.
* @param DAC_Align: Specifies the data alignment for dual channel DAC.
* This parameter can be one of the following values:
* @arg DAC_Align_8b_R: 8bit right data alignment selected
* @arg DAC_Align_12b_L: 12bit left data alignment selected
* @arg DAC_Align_12b_R: 12bit right data alignment selected
* @param Data2: Data for DAC Channel2 to be loaded in the selected data
* holding register.
* @param Data1: Data for DAC Channel1 to be loaded in the selected data
* holding register.
* @retval None
*/
void DAC_SetDualChannelData(uint32_t DAC_Align, uint16_t Data2, uint16_t Data1)
{
uint32_t data = 0, tmp = 0;
/* Check the parameters */
assert_param(IS_DAC_ALIGN(DAC_Align));
assert_param(IS_DAC_DATA(Data1));
assert_param(IS_DAC_DATA(Data2));
/* Calculate and set dual DAC data holding register value */
if (DAC_Align == DAC_Align_8b_R)
{
data = ((uint32_t)Data2 << 8) | Data1;
}
else
{
data = ((uint32_t)Data2 << 16) | Data1;
}
tmp = (uint32_t)DAC_BASE;
tmp += DHR12RD_OFFSET + DAC_Align;
/* Set the dual DAC selected data holding register */
*(__IO uint32_t *)tmp = data;
}
/**
* @brief Returns the last data output value of the selected DAC channel.
* @param DAC_Channel: the selected DAC channel.
* This parameter can be one of the following values:
* @arg DAC_Channel_1: DAC Channel1 selected
* @arg DAC_Channel_2: DAC Channel2 selected
* @retval The selected DAC channel data output value.
*/
uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel)
{
__IO uint32_t tmp = 0;
/* Check the parameters */
assert_param(IS_DAC_CHANNEL(DAC_Channel));
tmp = (uint32_t) DAC_BASE ;
tmp += DOR_OFFSET + ((uint32_t)DAC_Channel >> 2);
/* Returns the DAC channel data output register value */
return (uint16_t) (*(__IO uint32_t*) tmp);
}
#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL)
/**
* @brief Checks whether the specified DAC flag is set or not.
* @param DAC_Channel: thee selected DAC channel.
* This parameter can be one of the following values:
* @arg DAC_Channel_1: DAC Channel1 selected
* @arg DAC_Channel_2: DAC Channel2 selected
* @param DAC_FLAG: specifies the flag to check.
* This parameter can be only of the following value:
* @arg DAC_FLAG_DMAUDR: DMA underrun flag
* @retval The new state of DAC_FLAG (SET or RESET).
*/
FlagStatus DAC_GetFlagStatus(uint32_t DAC_Channel, uint32_t DAC_FLAG)
{
FlagStatus bitstatus = RESET;
/* Check the parameters */
assert_param(IS_DAC_CHANNEL(DAC_Channel));
assert_param(IS_DAC_FLAG(DAC_FLAG));
/* Check the status of the specified DAC flag */
if ((DAC->SR & (DAC_FLAG << DAC_Channel)) != (uint8_t)RESET)
{
/* DAC_FLAG is set */
bitstatus = SET;
}
else
{
/* DAC_FLAG is reset */
bitstatus = RESET;
}
/* Return the DAC_FLAG status */
return bitstatus;
}
/**
* @brief Clears the DAC channelx's pending flags.
* @param DAC_Channel: the selected DAC channel.
* This parameter can be one of the following values:
* @arg DAC_Channel_1: DAC Channel1 selected
* @arg DAC_Channel_2: DAC Channel2 selected
* @param DAC_FLAG: specifies the flag to clear.
* This parameter can be of the following value:
* @arg DAC_FLAG_DMAUDR: DMA underrun flag
* @retval None
*/
void DAC_ClearFlag(uint32_t DAC_Channel, uint32_t DAC_FLAG)
{
/* Check the parameters */
assert_param(IS_DAC_CHANNEL(DAC_Channel));
assert_param(IS_DAC_FLAG(DAC_FLAG));
/* Clear the selected DAC flags */
DAC->SR = (DAC_FLAG << DAC_Channel);
}
/**
* @brief Checks whether the specified DAC interrupt has occurred or not.
* @param DAC_Channel: the selected DAC channel.
* This parameter can be one of the following values:
* @arg DAC_Channel_1: DAC Channel1 selected
* @arg DAC_Channel_2: DAC Channel2 selected
* @param DAC_IT: specifies the DAC interrupt source to check.
* This parameter can be the following values:
* @arg DAC_IT_DMAUDR: DMA underrun interrupt mask
* @retval The new state of DAC_IT (SET or RESET).
*/
ITStatus DAC_GetITStatus(uint32_t DAC_Channel, uint32_t DAC_IT)
{
ITStatus bitstatus = RESET;
uint32_t enablestatus = 0;
/* Check the parameters */
assert_param(IS_DAC_CHANNEL(DAC_Channel));
assert_param(IS_DAC_IT(DAC_IT));
/* Get the DAC_IT enable bit status */
enablestatus = (DAC->CR & (DAC_IT << DAC_Channel)) ;
/* Check the status of the specified DAC interrupt */
if (((DAC->SR & (DAC_IT << DAC_Channel)) != (uint32_t)RESET) && enablestatus)
{
/* DAC_IT is set */
bitstatus = SET;
}
else
{
/* DAC_IT is reset */
bitstatus = RESET;
}
/* Return the DAC_IT status */
return bitstatus;
}
/**
* @brief Clears the DAC channelx's interrupt pending bits.
* @param DAC_Channel: the selected DAC channel.
* This parameter can be one of the following values:
* @arg DAC_Channel_1: DAC Channel1 selected
* @arg DAC_Channel_2: DAC Channel2 selected
* @param DAC_IT: specifies the DAC interrupt pending bit to clear.
* This parameter can be the following values:
* @arg DAC_IT_DMAUDR: DMA underrun interrupt mask
* @retval None
*/
void DAC_ClearITPendingBit(uint32_t DAC_Channel, uint32_t DAC_IT)
{
/* Check the parameters */
assert_param(IS_DAC_CHANNEL(DAC_Channel));
assert_param(IS_DAC_IT(DAC_IT));
/* Clear the selected DAC interrupt pending bits */
DAC->SR = (DAC_IT << DAC_Channel);
}
#endif
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

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/**
******************************************************************************
* @file stm32f10x_dac.h
* @author MCD Application Team
* @version V3.5.0
* @date 11-March-2011
* @brief This file contains all the functions prototypes for the DAC 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.
*
* <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F10x_DAC_H
#define __STM32F10x_DAC_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
/** @addtogroup STM32F10x_StdPeriph_Driver
* @{
*/
/** @addtogroup DAC
* @{
*/
/** @defgroup DAC_Exported_Types
* @{
*/
/**
* @brief DAC Init structure definition
*/
typedef struct
{
uint32_t DAC_Trigger; /*!< Specifies the external trigger for the selected DAC channel.
This parameter can be a value of @ref DAC_trigger_selection */
uint32_t DAC_WaveGeneration; /*!< Specifies whether DAC channel noise waves or triangle waves
are generated, or whether no wave is generated.
This parameter can be a value of @ref DAC_wave_generation */
uint32_t DAC_LFSRUnmask_TriangleAmplitude; /*!< Specifies the LFSR mask for noise wave generation or
the maximum amplitude triangle generation for the DAC channel.
This parameter can be a value of @ref DAC_lfsrunmask_triangleamplitude */
uint32_t DAC_OutputBuffer; /*!< Specifies whether the DAC channel output buffer is enabled or disabled.
This parameter can be a value of @ref DAC_output_buffer */
}DAC_InitTypeDef;
/**
* @}
*/
/** @defgroup DAC_Exported_Constants
* @{
*/
/** @defgroup DAC_trigger_selection
* @{
*/
#define DAC_Trigger_None ((uint32_t)0x00000000) /*!< Conversion is automatic once the DAC1_DHRxxxx register
has been loaded, and not by external trigger */
#define DAC_Trigger_T6_TRGO ((uint32_t)0x00000004) /*!< TIM6 TRGO selected as external conversion trigger for DAC channel */
#define DAC_Trigger_T8_TRGO ((uint32_t)0x0000000C) /*!< TIM8 TRGO selected as external conversion trigger for DAC channel
only in High-density devices*/
#define DAC_Trigger_T3_TRGO ((uint32_t)0x0000000C) /*!< TIM8 TRGO selected as external conversion trigger for DAC channel
only in Connectivity line, Medium-density and Low-density Value Line devices */
#define DAC_Trigger_T7_TRGO ((uint32_t)0x00000014) /*!< TIM7 TRGO selected as external conversion trigger for DAC channel */
#define DAC_Trigger_T5_TRGO ((uint32_t)0x0000001C) /*!< TIM5 TRGO selected as external conversion trigger for DAC channel */
#define DAC_Trigger_T15_TRGO ((uint32_t)0x0000001C) /*!< TIM15 TRGO selected as external conversion trigger for DAC channel
only in Medium-density and Low-density Value Line devices*/
#define DAC_Trigger_T2_TRGO ((uint32_t)0x00000024) /*!< TIM2 TRGO selected as external conversion trigger for DAC channel */
#define DAC_Trigger_T4_TRGO ((uint32_t)0x0000002C) /*!< TIM4 TRGO selected as external conversion trigger for DAC channel */
#define DAC_Trigger_Ext_IT9 ((uint32_t)0x00000034) /*!< EXTI Line9 event selected as external conversion trigger for DAC channel */
#define DAC_Trigger_Software ((uint32_t)0x0000003C) /*!< Conversion started by software trigger for DAC channel */
#define IS_DAC_TRIGGER(TRIGGER) (((TRIGGER) == DAC_Trigger_None) || \
((TRIGGER) == DAC_Trigger_T6_TRGO) || \
((TRIGGER) == DAC_Trigger_T8_TRGO) || \
((TRIGGER) == DAC_Trigger_T7_TRGO) || \
((TRIGGER) == DAC_Trigger_T5_TRGO) || \
((TRIGGER) == DAC_Trigger_T2_TRGO) || \
((TRIGGER) == DAC_Trigger_T4_TRGO) || \
((TRIGGER) == DAC_Trigger_Ext_IT9) || \
((TRIGGER) == DAC_Trigger_Software))
/**
* @}
*/
/** @defgroup DAC_wave_generation
* @{
*/
#define DAC_WaveGeneration_None ((uint32_t)0x00000000)
#define DAC_WaveGeneration_Noise ((uint32_t)0x00000040)
#define DAC_WaveGeneration_Triangle ((uint32_t)0x00000080)
#define IS_DAC_GENERATE_WAVE(WAVE) (((WAVE) == DAC_WaveGeneration_None) || \
((WAVE) == DAC_WaveGeneration_Noise) || \
((WAVE) == DAC_WaveGeneration_Triangle))
/**
* @}
*/
/** @defgroup DAC_lfsrunmask_triangleamplitude
* @{
*/
#define DAC_LFSRUnmask_Bit0 ((uint32_t)0x00000000) /*!< Unmask DAC channel LFSR bit0 for noise wave generation */
#define DAC_LFSRUnmask_Bits1_0 ((uint32_t)0x00000100) /*!< Unmask DAC channel LFSR bit[1:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits2_0 ((uint32_t)0x00000200) /*!< Unmask DAC channel LFSR bit[2:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits3_0 ((uint32_t)0x00000300) /*!< Unmask DAC channel LFSR bit[3:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits4_0 ((uint32_t)0x00000400) /*!< Unmask DAC channel LFSR bit[4:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits5_0 ((uint32_t)0x00000500) /*!< Unmask DAC channel LFSR bit[5:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits6_0 ((uint32_t)0x00000600) /*!< Unmask DAC channel LFSR bit[6:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits7_0 ((uint32_t)0x00000700) /*!< Unmask DAC channel LFSR bit[7:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits8_0 ((uint32_t)0x00000800) /*!< Unmask DAC channel LFSR bit[8:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits9_0 ((uint32_t)0x00000900) /*!< Unmask DAC channel LFSR bit[9:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits10_0 ((uint32_t)0x00000A00) /*!< Unmask DAC channel LFSR bit[10:0] for noise wave generation */
#define DAC_LFSRUnmask_Bits11_0 ((uint32_t)0x00000B00) /*!< Unmask DAC channel LFSR bit[11:0] for noise wave generation */
#define DAC_TriangleAmplitude_1 ((uint32_t)0x00000000) /*!< Select max triangle amplitude of 1 */
#define DAC_TriangleAmplitude_3 ((uint32_t)0x00000100) /*!< Select max triangle amplitude of 3 */
#define DAC_TriangleAmplitude_7 ((uint32_t)0x00000200) /*!< Select max triangle amplitude of 7 */
#define DAC_TriangleAmplitude_15 ((uint32_t)0x00000300) /*!< Select max triangle amplitude of 15 */
#define DAC_TriangleAmplitude_31 ((uint32_t)0x00000400) /*!< Select max triangle amplitude of 31 */
#define DAC_TriangleAmplitude_63 ((uint32_t)0x00000500) /*!< Select max triangle amplitude of 63 */
#define DAC_TriangleAmplitude_127 ((uint32_t)0x00000600) /*!< Select max triangle amplitude of 127 */
#define DAC_TriangleAmplitude_255 ((uint32_t)0x00000700) /*!< Select max triangle amplitude of 255 */
#define DAC_TriangleAmplitude_511 ((uint32_t)0x00000800) /*!< Select max triangle amplitude of 511 */
#define DAC_TriangleAmplitude_1023 ((uint32_t)0x00000900) /*!< Select max triangle amplitude of 1023 */
#define DAC_TriangleAmplitude_2047 ((uint32_t)0x00000A00) /*!< Select max triangle amplitude of 2047 */
#define DAC_TriangleAmplitude_4095 ((uint32_t)0x00000B00) /*!< Select max triangle amplitude of 4095 */
#define IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(VALUE) (((VALUE) == DAC_LFSRUnmask_Bit0) || \
((VALUE) == DAC_LFSRUnmask_Bits1_0) || \
((VALUE) == DAC_LFSRUnmask_Bits2_0) || \
((VALUE) == DAC_LFSRUnmask_Bits3_0) || \
((VALUE) == DAC_LFSRUnmask_Bits4_0) || \
((VALUE) == DAC_LFSRUnmask_Bits5_0) || \
((VALUE) == DAC_LFSRUnmask_Bits6_0) || \
((VALUE) == DAC_LFSRUnmask_Bits7_0) || \
((VALUE) == DAC_LFSRUnmask_Bits8_0) || \
((VALUE) == DAC_LFSRUnmask_Bits9_0) || \
((VALUE) == DAC_LFSRUnmask_Bits10_0) || \
((VALUE) == DAC_LFSRUnmask_Bits11_0) || \
((VALUE) == DAC_TriangleAmplitude_1) || \
((VALUE) == DAC_TriangleAmplitude_3) || \
((VALUE) == DAC_TriangleAmplitude_7) || \
((VALUE) == DAC_TriangleAmplitude_15) || \
((VALUE) == DAC_TriangleAmplitude_31) || \
((VALUE) == DAC_TriangleAmplitude_63) || \
((VALUE) == DAC_TriangleAmplitude_127) || \
((VALUE) == DAC_TriangleAmplitude_255) || \
((VALUE) == DAC_TriangleAmplitude_511) || \
((VALUE) == DAC_TriangleAmplitude_1023) || \
((VALUE) == DAC_TriangleAmplitude_2047) || \
((VALUE) == DAC_TriangleAmplitude_4095))
/**
* @}
*/
/** @defgroup DAC_output_buffer
* @{
*/
#define DAC_OutputBuffer_Enable ((uint32_t)0x00000000)
#define DAC_OutputBuffer_Disable ((uint32_t)0x00000002)
#define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OutputBuffer_Enable) || \
((STATE) == DAC_OutputBuffer_Disable))
/**
* @}
*/
/** @defgroup DAC_Channel_selection
* @{
*/
#define DAC_Channel_1 ((uint32_t)0x00000000)
#define DAC_Channel_2 ((uint32_t)0x00000010)
#define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_Channel_1) || \
((CHANNEL) == DAC_Channel_2))
/**
* @}
*/
/** @defgroup DAC_data_alignment
* @{
*/
#define DAC_Align_12b_R ((uint32_t)0x00000000)
#define DAC_Align_12b_L ((uint32_t)0x00000004)
#define DAC_Align_8b_R ((uint32_t)0x00000008)
#define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_Align_12b_R) || \
((ALIGN) == DAC_Align_12b_L) || \
((ALIGN) == DAC_Align_8b_R))
/**
* @}
*/
/** @defgroup DAC_wave_generation
* @{
*/
#define DAC_Wave_Noise ((uint32_t)0x00000040)
#define DAC_Wave_Triangle ((uint32_t)0x00000080)
#define IS_DAC_WAVE(WAVE) (((WAVE) == DAC_Wave_Noise) || \
((WAVE) == DAC_Wave_Triangle))
/**
* @}
*/
/** @defgroup DAC_data
* @{
*/
#define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0)
/**
* @}
*/
#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL)
/** @defgroup DAC_interrupts_definition
* @{
*/
#define DAC_IT_DMAUDR ((uint32_t)0x00002000)
#define IS_DAC_IT(IT) (((IT) == DAC_IT_DMAUDR))
/**
* @}
*/
/** @defgroup DAC_flags_definition
* @{
*/
#define DAC_FLAG_DMAUDR ((uint32_t)0x00002000)
#define IS_DAC_FLAG(FLAG) (((FLAG) == DAC_FLAG_DMAUDR))
/**
* @}
*/
#endif
/**
* @}
*/
/** @defgroup DAC_Exported_Macros
* @{
*/
/**
* @}
*/
/** @defgroup DAC_Exported_Functions
* @{
*/
void DAC_DeInit(void);
void DAC_Init(uint32_t DAC_Channel, DAC_InitTypeDef* DAC_InitStruct);
void DAC_StructInit(DAC_InitTypeDef* DAC_InitStruct);
void DAC_Cmd(uint32_t DAC_Channel, FunctionalState NewState);
#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL)
void DAC_ITConfig(uint32_t DAC_Channel, uint32_t DAC_IT, FunctionalState NewState);
#endif
void DAC_DMACmd(uint32_t DAC_Channel, FunctionalState NewState);
void DAC_SoftwareTriggerCmd(uint32_t DAC_Channel, FunctionalState NewState);
void DAC_DualSoftwareTriggerCmd(FunctionalState NewState);
void DAC_WaveGenerationCmd(uint32_t DAC_Channel, uint32_t DAC_Wave, FunctionalState NewState);
void DAC_SetChannel1Data(uint32_t DAC_Align, uint16_t Data);
void DAC_SetChannel2Data(uint32_t DAC_Align, uint16_t Data);
void DAC_SetDualChannelData(uint32_t DAC_Align, uint16_t Data2, uint16_t Data1);
uint16_t DAC_GetDataOutputValue(uint32_t DAC_Channel);
#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL)
FlagStatus DAC_GetFlagStatus(uint32_t DAC_Channel, uint32_t DAC_FLAG);
void DAC_ClearFlag(uint32_t DAC_Channel, uint32_t DAC_FLAG);
ITStatus DAC_GetITStatus(uint32_t DAC_Channel, uint32_t DAC_IT);
void DAC_ClearITPendingBit(uint32_t DAC_Channel, uint32_t DAC_IT);
#endif
#ifdef __cplusplus
}
#endif
#endif /*__STM32F10x_DAC_H */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

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@@ -0,0 +1,162 @@
/**
******************************************************************************
* @file stm32f10x_dbgmcu.c
* @author MCD Application Team
* @version V3.5.0
* @date 11-March-2011
* @brief This file provides all the DBGMCU 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.
*
* <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_dbgmcu.h"
/** @addtogroup STM32F10x_StdPeriph_Driver
* @{
*/
/** @defgroup DBGMCU
* @brief DBGMCU driver modules
* @{
*/
/** @defgroup DBGMCU_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup DBGMCU_Private_Defines
* @{
*/
#define IDCODE_DEVID_MASK ((uint32_t)0x00000FFF)
/**
* @}
*/
/** @defgroup DBGMCU_Private_Macros
* @{
*/
/**
* @}
*/
/** @defgroup DBGMCU_Private_Variables
* @{
*/
/**
* @}
*/
/** @defgroup DBGMCU_Private_FunctionPrototypes
* @{
*/
/**
* @}
*/
/** @defgroup DBGMCU_Private_Functions
* @{
*/
/**
* @brief Returns the device revision identifier.
* @param None
* @retval Device revision identifier
*/
uint32_t DBGMCU_GetREVID(void)
{
return(DBGMCU->IDCODE >> 16);
}
/**
* @brief Returns the device identifier.
* @param None
* @retval Device identifier
*/
uint32_t DBGMCU_GetDEVID(void)
{
return(DBGMCU->IDCODE & IDCODE_DEVID_MASK);
}
/**
* @brief Configures the specified peripheral and low power mode behavior
* when the MCU under Debug mode.
* @param DBGMCU_Periph: specifies the peripheral and low power mode.
* This parameter can be any combination of the following values:
* @arg DBGMCU_SLEEP: Keep debugger connection during SLEEP mode
* @arg DBGMCU_STOP: Keep debugger connection during STOP mode
* @arg DBGMCU_STANDBY: Keep debugger connection during STANDBY mode
* @arg DBGMCU_IWDG_STOP: Debug IWDG stopped when Core is halted
* @arg DBGMCU_WWDG_STOP: Debug WWDG stopped when Core is halted
* @arg DBGMCU_TIM1_STOP: TIM1 counter stopped when Core is halted
* @arg DBGMCU_TIM2_STOP: TIM2 counter stopped when Core is halted
* @arg DBGMCU_TIM3_STOP: TIM3 counter stopped when Core is halted
* @arg DBGMCU_TIM4_STOP: TIM4 counter stopped when Core is halted
* @arg DBGMCU_CAN1_STOP: Debug CAN2 stopped when Core is halted
* @arg DBGMCU_I2C1_SMBUS_TIMEOUT: I2C1 SMBUS timeout mode stopped when Core is halted
* @arg DBGMCU_I2C2_SMBUS_TIMEOUT: I2C2 SMBUS timeout mode stopped when Core is halted
* @arg DBGMCU_TIM5_STOP: TIM5 counter stopped when Core is halted
* @arg DBGMCU_TIM6_STOP: TIM6 counter stopped when Core is halted
* @arg DBGMCU_TIM7_STOP: TIM7 counter stopped when Core is halted
* @arg DBGMCU_TIM8_STOP: TIM8 counter stopped when Core is halted
* @arg DBGMCU_CAN2_STOP: Debug CAN2 stopped when Core is halted
* @arg DBGMCU_TIM15_STOP: TIM15 counter stopped when Core is halted
* @arg DBGMCU_TIM16_STOP: TIM16 counter stopped when Core is halted
* @arg DBGMCU_TIM17_STOP: TIM17 counter stopped when Core is halted
* @arg DBGMCU_TIM9_STOP: TIM9 counter stopped when Core is halted
* @arg DBGMCU_TIM10_STOP: TIM10 counter stopped when Core is halted
* @arg DBGMCU_TIM11_STOP: TIM11 counter stopped when Core is halted
* @arg DBGMCU_TIM12_STOP: TIM12 counter stopped when Core is halted
* @arg DBGMCU_TIM13_STOP: TIM13 counter stopped when Core is halted
* @arg DBGMCU_TIM14_STOP: TIM14 counter stopped when Core is halted
* @param NewState: new state of the specified peripheral in Debug mode.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void DBGMCU_Config(uint32_t DBGMCU_Periph, FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_DBGMCU_PERIPH(DBGMCU_Periph));
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (NewState != DISABLE)
{
DBGMCU->CR |= DBGMCU_Periph;
}
else
{
DBGMCU->CR &= ~DBGMCU_Periph;
}
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/