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chenguang
2026-02-21 20:03:43 -05:00
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/**
******************************************************************************
* @file stm32f10x_bkp.h
* @author MCD Application Team
* @version V3.5.0
* @date 11-March-2011
* @brief This file contains all the functions prototypes for the BKP 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_BKP_H
#define __STM32F10x_BKP_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
/** @addtogroup STM32F10x_StdPeriph_Driver
* @{
*/
/** @addtogroup BKP
* @{
*/
/** @defgroup BKP_Exported_Types
* @{
*/
/**
* @}
*/
/** @defgroup BKP_Exported_Constants
* @{
*/
/** @defgroup Tamper_Pin_active_level
* @{
*/
#define BKP_TamperPinLevel_High ((uint16_t)0x0000)
#define BKP_TamperPinLevel_Low ((uint16_t)0x0001)
#define IS_BKP_TAMPER_PIN_LEVEL(LEVEL) (((LEVEL) == BKP_TamperPinLevel_High) || \
((LEVEL) == BKP_TamperPinLevel_Low))
/**
* @}
*/
/** @defgroup RTC_output_source_to_output_on_the_Tamper_pin
* @{
*/
#define BKP_RTCOutputSource_None ((uint16_t)0x0000)
#define BKP_RTCOutputSource_CalibClock ((uint16_t)0x0080)
#define BKP_RTCOutputSource_Alarm ((uint16_t)0x0100)
#define BKP_RTCOutputSource_Second ((uint16_t)0x0300)
#define IS_BKP_RTC_OUTPUT_SOURCE(SOURCE) (((SOURCE) == BKP_RTCOutputSource_None) || \
((SOURCE) == BKP_RTCOutputSource_CalibClock) || \
((SOURCE) == BKP_RTCOutputSource_Alarm) || \
((SOURCE) == BKP_RTCOutputSource_Second))
/**
* @}
*/
/** @defgroup Data_Backup_Register
* @{
*/
#define BKP_DR1 ((uint16_t)0x0004)
#define BKP_DR2 ((uint16_t)0x0008)
#define BKP_DR3 ((uint16_t)0x000C)
#define BKP_DR4 ((uint16_t)0x0010)
#define BKP_DR5 ((uint16_t)0x0014)
#define BKP_DR6 ((uint16_t)0x0018)
#define BKP_DR7 ((uint16_t)0x001C)
#define BKP_DR8 ((uint16_t)0x0020)
#define BKP_DR9 ((uint16_t)0x0024)
#define BKP_DR10 ((uint16_t)0x0028)
#define BKP_DR11 ((uint16_t)0x0040)
#define BKP_DR12 ((uint16_t)0x0044)
#define BKP_DR13 ((uint16_t)0x0048)
#define BKP_DR14 ((uint16_t)0x004C)
#define BKP_DR15 ((uint16_t)0x0050)
#define BKP_DR16 ((uint16_t)0x0054)
#define BKP_DR17 ((uint16_t)0x0058)
#define BKP_DR18 ((uint16_t)0x005C)
#define BKP_DR19 ((uint16_t)0x0060)
#define BKP_DR20 ((uint16_t)0x0064)
#define BKP_DR21 ((uint16_t)0x0068)
#define BKP_DR22 ((uint16_t)0x006C)
#define BKP_DR23 ((uint16_t)0x0070)
#define BKP_DR24 ((uint16_t)0x0074)
#define BKP_DR25 ((uint16_t)0x0078)
#define BKP_DR26 ((uint16_t)0x007C)
#define BKP_DR27 ((uint16_t)0x0080)
#define BKP_DR28 ((uint16_t)0x0084)
#define BKP_DR29 ((uint16_t)0x0088)
#define BKP_DR30 ((uint16_t)0x008C)
#define BKP_DR31 ((uint16_t)0x0090)
#define BKP_DR32 ((uint16_t)0x0094)
#define BKP_DR33 ((uint16_t)0x0098)
#define BKP_DR34 ((uint16_t)0x009C)
#define BKP_DR35 ((uint16_t)0x00A0)
#define BKP_DR36 ((uint16_t)0x00A4)
#define BKP_DR37 ((uint16_t)0x00A8)
#define BKP_DR38 ((uint16_t)0x00AC)
#define BKP_DR39 ((uint16_t)0x00B0)
#define BKP_DR40 ((uint16_t)0x00B4)
#define BKP_DR41 ((uint16_t)0x00B8)
#define BKP_DR42 ((uint16_t)0x00BC)
#define IS_BKP_DR(DR) (((DR) == BKP_DR1) || ((DR) == BKP_DR2) || ((DR) == BKP_DR3) || \
((DR) == BKP_DR4) || ((DR) == BKP_DR5) || ((DR) == BKP_DR6) || \
((DR) == BKP_DR7) || ((DR) == BKP_DR8) || ((DR) == BKP_DR9) || \
((DR) == BKP_DR10) || ((DR) == BKP_DR11) || ((DR) == BKP_DR12) || \
((DR) == BKP_DR13) || ((DR) == BKP_DR14) || ((DR) == BKP_DR15) || \
((DR) == BKP_DR16) || ((DR) == BKP_DR17) || ((DR) == BKP_DR18) || \
((DR) == BKP_DR19) || ((DR) == BKP_DR20) || ((DR) == BKP_DR21) || \
((DR) == BKP_DR22) || ((DR) == BKP_DR23) || ((DR) == BKP_DR24) || \
((DR) == BKP_DR25) || ((DR) == BKP_DR26) || ((DR) == BKP_DR27) || \
((DR) == BKP_DR28) || ((DR) == BKP_DR29) || ((DR) == BKP_DR30) || \
((DR) == BKP_DR31) || ((DR) == BKP_DR32) || ((DR) == BKP_DR33) || \
((DR) == BKP_DR34) || ((DR) == BKP_DR35) || ((DR) == BKP_DR36) || \
((DR) == BKP_DR37) || ((DR) == BKP_DR38) || ((DR) == BKP_DR39) || \
((DR) == BKP_DR40) || ((DR) == BKP_DR41) || ((DR) == BKP_DR42))
#define IS_BKP_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x7F)
/**
* @}
*/
/**
* @}
*/
/** @defgroup BKP_Exported_Macros
* @{
*/
/**
* @}
*/
/** @defgroup BKP_Exported_Functions
* @{
*/
void BKP_DeInit(void);
void BKP_TamperPinLevelConfig(uint16_t BKP_TamperPinLevel);
void BKP_TamperPinCmd(FunctionalState NewState);
void BKP_ITConfig(FunctionalState NewState);
void BKP_RTCOutputConfig(uint16_t BKP_RTCOutputSource);
void BKP_SetRTCCalibrationValue(uint8_t CalibrationValue);
void BKP_WriteBackupRegister(uint16_t BKP_DR, uint16_t Data);
uint16_t BKP_ReadBackupRegister(uint16_t BKP_DR);
FlagStatus BKP_GetFlagStatus(void);
void BKP_ClearFlag(void);
ITStatus BKP_GetITStatus(void);
void BKP_ClearITPendingBit(void);
#ifdef __cplusplus
}
#endif
#endif /* __STM32F10x_BKP_H */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

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/**
******************************************************************************
* @file stm32f10x_can.h
* @author MCD Application Team
* @version V3.5.0
* @date 11-March-2011
* @brief This file contains all the functions prototypes for the CAN 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_CAN_H
#define __STM32F10x_CAN_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
/** @addtogroup STM32F10x_StdPeriph_Driver
* @{
*/
/** @addtogroup CAN
* @{
*/
/** @defgroup CAN_Exported_Types
* @{
*/
#define IS_CAN_ALL_PERIPH(PERIPH) (((PERIPH) == CAN1) || \
((PERIPH) == CAN2))
/**
* @brief CAN init structure definition
*/
typedef struct
{
uint16_t CAN_Prescaler; /*!< Specifies the length of a time quantum.
It ranges from 1 to 1024. */
uint8_t CAN_Mode; /*!< Specifies the CAN operating mode.
This parameter can be a value of
@ref CAN_operating_mode */
uint8_t CAN_SJW; /*!< Specifies the maximum number of time quanta
the CAN hardware is allowed to lengthen or
shorten a bit to perform resynchronization.
This parameter can be a value of
@ref CAN_synchronisation_jump_width */
uint8_t CAN_BS1; /*!< Specifies the number of time quanta in Bit
Segment 1. This parameter can be a value of
@ref CAN_time_quantum_in_bit_segment_1 */
uint8_t CAN_BS2; /*!< Specifies the number of time quanta in Bit
Segment 2.
This parameter can be a value of
@ref CAN_time_quantum_in_bit_segment_2 */
FunctionalState CAN_TTCM; /*!< Enable or disable the time triggered
communication mode. This parameter can be set
either to ENABLE or DISABLE. */
FunctionalState CAN_ABOM; /*!< Enable or disable the automatic bus-off
management. This parameter can be set either
to ENABLE or DISABLE. */
FunctionalState CAN_AWUM; /*!< Enable or disable the automatic wake-up mode.
This parameter can be set either to ENABLE or
DISABLE. */
FunctionalState CAN_NART; /*!< Enable or disable the no-automatic
retransmission mode. This parameter can be
set either to ENABLE or DISABLE. */
FunctionalState CAN_RFLM; /*!< Enable or disable the Receive FIFO Locked mode.
This parameter can be set either to ENABLE
or DISABLE. */
FunctionalState CAN_TXFP; /*!< Enable or disable the transmit FIFO priority.
This parameter can be set either to ENABLE
or DISABLE. */
} CAN_InitTypeDef;
/**
* @brief CAN filter init structure definition
*/
typedef struct
{
uint16_t CAN_FilterIdHigh; /*!< Specifies the filter identification number (MSBs for a 32-bit
configuration, first one for a 16-bit configuration).
This parameter can be a value between 0x0000 and 0xFFFF */
uint16_t CAN_FilterIdLow; /*!< Specifies the filter identification number (LSBs for a 32-bit
configuration, second one for a 16-bit configuration).
This parameter can be a value between 0x0000 and 0xFFFF */
uint16_t CAN_FilterMaskIdHigh; /*!< Specifies the filter mask number or identification number,
according to the mode (MSBs for a 32-bit configuration,
first one for a 16-bit configuration).
This parameter can be a value between 0x0000 and 0xFFFF */
uint16_t CAN_FilterMaskIdLow; /*!< Specifies the filter mask number or identification number,
according to the mode (LSBs for a 32-bit configuration,
second one for a 16-bit configuration).
This parameter can be a value between 0x0000 and 0xFFFF */
uint16_t CAN_FilterFIFOAssignment; /*!< Specifies the FIFO (0 or 1) which will be assigned to the filter.
This parameter can be a value of @ref CAN_filter_FIFO */
uint8_t CAN_FilterNumber; /*!< Specifies the filter which will be initialized. It ranges from 0 to 13. */
uint8_t CAN_FilterMode; /*!< Specifies the filter mode to be initialized.
This parameter can be a value of @ref CAN_filter_mode */
uint8_t CAN_FilterScale; /*!< Specifies the filter scale.
This parameter can be a value of @ref CAN_filter_scale */
FunctionalState CAN_FilterActivation; /*!< Enable or disable the filter.
This parameter can be set either to ENABLE or DISABLE. */
} CAN_FilterInitTypeDef;
/**
* @brief CAN Tx message structure definition
*/
typedef struct
{
uint32_t StdId; /*!< Specifies the standard identifier.
This parameter can be a value between 0 to 0x7FF. */
uint32_t ExtId; /*!< Specifies the extended identifier.
This parameter can be a value between 0 to 0x1FFFFFFF. */
uint8_t IDE; /*!< Specifies the type of identifier for the message that
will be transmitted. This parameter can be a value
of @ref CAN_identifier_type */
uint8_t RTR; /*!< Specifies the type of frame for the message that will
be transmitted. This parameter can be a value of
@ref CAN_remote_transmission_request */
uint8_t DLC; /*!< Specifies the length of the frame that will be
transmitted. This parameter can be a value between
0 to 8 */
uint8_t Data[8]; /*!< Contains the data to be transmitted. It ranges from 0
to 0xFF. */
} CanTxMsg;
/**
* @brief CAN Rx message structure definition
*/
typedef struct
{
uint32_t StdId; /*!< Specifies the standard identifier.
This parameter can be a value between 0 to 0x7FF. */
uint32_t ExtId; /*!< Specifies the extended identifier.
This parameter can be a value between 0 to 0x1FFFFFFF. */
uint8_t IDE; /*!< Specifies the type of identifier for the message that
will be received. This parameter can be a value of
@ref CAN_identifier_type */
uint8_t RTR; /*!< Specifies the type of frame for the received message.
This parameter can be a value of
@ref CAN_remote_transmission_request */
uint8_t DLC; /*!< Specifies the length of the frame that will be received.
This parameter can be a value between 0 to 8 */
uint8_t Data[8]; /*!< Contains the data to be received. It ranges from 0 to
0xFF. */
uint8_t FMI; /*!< Specifies the index of the filter the message stored in
the mailbox passes through. This parameter can be a
value between 0 to 0xFF */
} CanRxMsg;
/**
* @}
*/
/** @defgroup CAN_Exported_Constants
* @{
*/
/** @defgroup CAN_sleep_constants
* @{
*/
#define CAN_InitStatus_Failed ((uint8_t)0x00) /*!< CAN initialization failed */
#define CAN_InitStatus_Success ((uint8_t)0x01) /*!< CAN initialization OK */
/**
* @}
*/
/** @defgroup CAN_Mode
* @{
*/
#define CAN_Mode_Normal ((uint8_t)0x00) /*!< normal mode */
#define CAN_Mode_LoopBack ((uint8_t)0x01) /*!< loopback mode */
#define CAN_Mode_Silent ((uint8_t)0x02) /*!< silent mode */
#define CAN_Mode_Silent_LoopBack ((uint8_t)0x03) /*!< loopback combined with silent mode */
#define IS_CAN_MODE(MODE) (((MODE) == CAN_Mode_Normal) || \
((MODE) == CAN_Mode_LoopBack)|| \
((MODE) == CAN_Mode_Silent) || \
((MODE) == CAN_Mode_Silent_LoopBack))
/**
* @}
*/
/**
* @defgroup CAN_Operating_Mode
* @{
*/
#define CAN_OperatingMode_Initialization ((uint8_t)0x00) /*!< Initialization mode */
#define CAN_OperatingMode_Normal ((uint8_t)0x01) /*!< Normal mode */
#define CAN_OperatingMode_Sleep ((uint8_t)0x02) /*!< sleep mode */
#define IS_CAN_OPERATING_MODE(MODE) (((MODE) == CAN_OperatingMode_Initialization) ||\
((MODE) == CAN_OperatingMode_Normal)|| \
((MODE) == CAN_OperatingMode_Sleep))
/**
* @}
*/
/**
* @defgroup CAN_Mode_Status
* @{
*/
#define CAN_ModeStatus_Failed ((uint8_t)0x00) /*!< CAN entering the specific mode failed */
#define CAN_ModeStatus_Success ((uint8_t)!CAN_ModeStatus_Failed) /*!< CAN entering the specific mode Succeed */
/**
* @}
*/
/** @defgroup CAN_synchronisation_jump_width
* @{
*/
#define CAN_SJW_1tq ((uint8_t)0x00) /*!< 1 time quantum */
#define CAN_SJW_2tq ((uint8_t)0x01) /*!< 2 time quantum */
#define CAN_SJW_3tq ((uint8_t)0x02) /*!< 3 time quantum */
#define CAN_SJW_4tq ((uint8_t)0x03) /*!< 4 time quantum */
#define IS_CAN_SJW(SJW) (((SJW) == CAN_SJW_1tq) || ((SJW) == CAN_SJW_2tq)|| \
((SJW) == CAN_SJW_3tq) || ((SJW) == CAN_SJW_4tq))
/**
* @}
*/
/** @defgroup CAN_time_quantum_in_bit_segment_1
* @{
*/
#define CAN_BS1_1tq ((uint8_t)0x00) /*!< 1 time quantum */
#define CAN_BS1_2tq ((uint8_t)0x01) /*!< 2 time quantum */
#define CAN_BS1_3tq ((uint8_t)0x02) /*!< 3 time quantum */
#define CAN_BS1_4tq ((uint8_t)0x03) /*!< 4 time quantum */
#define CAN_BS1_5tq ((uint8_t)0x04) /*!< 5 time quantum */
#define CAN_BS1_6tq ((uint8_t)0x05) /*!< 6 time quantum */
#define CAN_BS1_7tq ((uint8_t)0x06) /*!< 7 time quantum */
#define CAN_BS1_8tq ((uint8_t)0x07) /*!< 8 time quantum */
#define CAN_BS1_9tq ((uint8_t)0x08) /*!< 9 time quantum */
#define CAN_BS1_10tq ((uint8_t)0x09) /*!< 10 time quantum */
#define CAN_BS1_11tq ((uint8_t)0x0A) /*!< 11 time quantum */
#define CAN_BS1_12tq ((uint8_t)0x0B) /*!< 12 time quantum */
#define CAN_BS1_13tq ((uint8_t)0x0C) /*!< 13 time quantum */
#define CAN_BS1_14tq ((uint8_t)0x0D) /*!< 14 time quantum */
#define CAN_BS1_15tq ((uint8_t)0x0E) /*!< 15 time quantum */
#define CAN_BS1_16tq ((uint8_t)0x0F) /*!< 16 time quantum */
#define IS_CAN_BS1(BS1) ((BS1) <= CAN_BS1_16tq)
/**
* @}
*/
/** @defgroup CAN_time_quantum_in_bit_segment_2
* @{
*/
#define CAN_BS2_1tq ((uint8_t)0x00) /*!< 1 time quantum */
#define CAN_BS2_2tq ((uint8_t)0x01) /*!< 2 time quantum */
#define CAN_BS2_3tq ((uint8_t)0x02) /*!< 3 time quantum */
#define CAN_BS2_4tq ((uint8_t)0x03) /*!< 4 time quantum */
#define CAN_BS2_5tq ((uint8_t)0x04) /*!< 5 time quantum */
#define CAN_BS2_6tq ((uint8_t)0x05) /*!< 6 time quantum */
#define CAN_BS2_7tq ((uint8_t)0x06) /*!< 7 time quantum */
#define CAN_BS2_8tq ((uint8_t)0x07) /*!< 8 time quantum */
#define IS_CAN_BS2(BS2) ((BS2) <= CAN_BS2_8tq)
/**
* @}
*/
/** @defgroup CAN_clock_prescaler
* @{
*/
#define IS_CAN_PRESCALER(PRESCALER) (((PRESCALER) >= 1) && ((PRESCALER) <= 1024))
/**
* @}
*/
/** @defgroup CAN_filter_number
* @{
*/
#ifndef STM32F10X_CL
#define IS_CAN_FILTER_NUMBER(NUMBER) ((NUMBER) <= 13)
#else
#define IS_CAN_FILTER_NUMBER(NUMBER) ((NUMBER) <= 27)
#endif /* STM32F10X_CL */
/**
* @}
*/
/** @defgroup CAN_filter_mode
* @{
*/
#define CAN_FilterMode_IdMask ((uint8_t)0x00) /*!< identifier/mask mode */
#define CAN_FilterMode_IdList ((uint8_t)0x01) /*!< identifier list mode */
#define IS_CAN_FILTER_MODE(MODE) (((MODE) == CAN_FilterMode_IdMask) || \
((MODE) == CAN_FilterMode_IdList))
/**
* @}
*/
/** @defgroup CAN_filter_scale
* @{
*/
#define CAN_FilterScale_16bit ((uint8_t)0x00) /*!< Two 16-bit filters */
#define CAN_FilterScale_32bit ((uint8_t)0x01) /*!< One 32-bit filter */
#define IS_CAN_FILTER_SCALE(SCALE) (((SCALE) == CAN_FilterScale_16bit) || \
((SCALE) == CAN_FilterScale_32bit))
/**
* @}
*/
/** @defgroup CAN_filter_FIFO
* @{
*/
#define CAN_Filter_FIFO0 ((uint8_t)0x00) /*!< Filter FIFO 0 assignment for filter x */
#define CAN_Filter_FIFO1 ((uint8_t)0x01) /*!< Filter FIFO 1 assignment for filter x */
#define IS_CAN_FILTER_FIFO(FIFO) (((FIFO) == CAN_FilterFIFO0) || \
((FIFO) == CAN_FilterFIFO1))
/**
* @}
*/
/** @defgroup Start_bank_filter_for_slave_CAN
* @{
*/
#define IS_CAN_BANKNUMBER(BANKNUMBER) (((BANKNUMBER) >= 1) && ((BANKNUMBER) <= 27))
/**
* @}
*/
/** @defgroup CAN_Tx
* @{
*/
#define IS_CAN_TRANSMITMAILBOX(TRANSMITMAILBOX) ((TRANSMITMAILBOX) <= ((uint8_t)0x02))
#define IS_CAN_STDID(STDID) ((STDID) <= ((uint32_t)0x7FF))
#define IS_CAN_EXTID(EXTID) ((EXTID) <= ((uint32_t)0x1FFFFFFF))
#define IS_CAN_DLC(DLC) ((DLC) <= ((uint8_t)0x08))
/**
* @}
*/
/** @defgroup CAN_identifier_type
* @{
*/
#define CAN_Id_Standard ((uint32_t)0x00000000) /*!< Standard Id */
#define CAN_Id_Extended ((uint32_t)0x00000004) /*!< Extended Id */
#define IS_CAN_IDTYPE(IDTYPE) (((IDTYPE) == CAN_Id_Standard) || \
((IDTYPE) == CAN_Id_Extended))
/**
* @}
*/
/** @defgroup CAN_remote_transmission_request
* @{
*/
#define CAN_RTR_Data ((uint32_t)0x00000000) /*!< Data frame */
#define CAN_RTR_Remote ((uint32_t)0x00000002) /*!< Remote frame */
#define IS_CAN_RTR(RTR) (((RTR) == CAN_RTR_Data) || ((RTR) == CAN_RTR_Remote))
/**
* @}
*/
/** @defgroup CAN_transmit_constants
* @{
*/
#define CAN_TxStatus_Failed ((uint8_t)0x00)/*!< CAN transmission failed */
#define CAN_TxStatus_Ok ((uint8_t)0x01) /*!< CAN transmission succeeded */
#define CAN_TxStatus_Pending ((uint8_t)0x02) /*!< CAN transmission pending */
#define CAN_TxStatus_NoMailBox ((uint8_t)0x04) /*!< CAN cell did not provide an empty mailbox */
/**
* @}
*/
/** @defgroup CAN_receive_FIFO_number_constants
* @{
*/
#define CAN_FIFO0 ((uint8_t)0x00) /*!< CAN FIFO 0 used to receive */
#define CAN_FIFO1 ((uint8_t)0x01) /*!< CAN FIFO 1 used to receive */
#define IS_CAN_FIFO(FIFO) (((FIFO) == CAN_FIFO0) || ((FIFO) == CAN_FIFO1))
/**
* @}
*/
/** @defgroup CAN_sleep_constants
* @{
*/
#define CAN_Sleep_Failed ((uint8_t)0x00) /*!< CAN did not enter the sleep mode */
#define CAN_Sleep_Ok ((uint8_t)0x01) /*!< CAN entered the sleep mode */
/**
* @}
*/
/** @defgroup CAN_wake_up_constants
* @{
*/
#define CAN_WakeUp_Failed ((uint8_t)0x00) /*!< CAN did not leave the sleep mode */
#define CAN_WakeUp_Ok ((uint8_t)0x01) /*!< CAN leaved the sleep mode */
/**
* @}
*/
/**
* @defgroup CAN_Error_Code_constants
* @{
*/
#define CAN_ErrorCode_NoErr ((uint8_t)0x00) /*!< No Error */
#define CAN_ErrorCode_StuffErr ((uint8_t)0x10) /*!< Stuff Error */
#define CAN_ErrorCode_FormErr ((uint8_t)0x20) /*!< Form Error */
#define CAN_ErrorCode_ACKErr ((uint8_t)0x30) /*!< Acknowledgment Error */
#define CAN_ErrorCode_BitRecessiveErr ((uint8_t)0x40) /*!< Bit Recessive Error */
#define CAN_ErrorCode_BitDominantErr ((uint8_t)0x50) /*!< Bit Dominant Error */
#define CAN_ErrorCode_CRCErr ((uint8_t)0x60) /*!< CRC Error */
#define CAN_ErrorCode_SoftwareSetErr ((uint8_t)0x70) /*!< Software Set Error */
/**
* @}
*/
/** @defgroup CAN_flags
* @{
*/
/* If the flag is 0x3XXXXXXX, it means that it can be used with CAN_GetFlagStatus()
and CAN_ClearFlag() functions. */
/* If the flag is 0x1XXXXXXX, it means that it can only be used with CAN_GetFlagStatus() function. */
/* Transmit Flags */
#define CAN_FLAG_RQCP0 ((uint32_t)0x38000001) /*!< Request MailBox0 Flag */
#define CAN_FLAG_RQCP1 ((uint32_t)0x38000100) /*!< Request MailBox1 Flag */
#define CAN_FLAG_RQCP2 ((uint32_t)0x38010000) /*!< Request MailBox2 Flag */
/* Receive Flags */
#define CAN_FLAG_FMP0 ((uint32_t)0x12000003) /*!< FIFO 0 Message Pending Flag */
#define CAN_FLAG_FF0 ((uint32_t)0x32000008) /*!< FIFO 0 Full Flag */
#define CAN_FLAG_FOV0 ((uint32_t)0x32000010) /*!< FIFO 0 Overrun Flag */
#define CAN_FLAG_FMP1 ((uint32_t)0x14000003) /*!< FIFO 1 Message Pending Flag */
#define CAN_FLAG_FF1 ((uint32_t)0x34000008) /*!< FIFO 1 Full Flag */
#define CAN_FLAG_FOV1 ((uint32_t)0x34000010) /*!< FIFO 1 Overrun Flag */
/* Operating Mode Flags */
#define CAN_FLAG_WKU ((uint32_t)0x31000008) /*!< Wake up Flag */
#define CAN_FLAG_SLAK ((uint32_t)0x31000012) /*!< Sleep acknowledge Flag */
/* Note: When SLAK intterupt is disabled (SLKIE=0), no polling on SLAKI is possible.
In this case the SLAK bit can be polled.*/
/* Error Flags */
#define CAN_FLAG_EWG ((uint32_t)0x10F00001) /*!< Error Warning Flag */
#define CAN_FLAG_EPV ((uint32_t)0x10F00002) /*!< Error Passive Flag */
#define CAN_FLAG_BOF ((uint32_t)0x10F00004) /*!< Bus-Off Flag */
#define CAN_FLAG_LEC ((uint32_t)0x30F00070) /*!< Last error code Flag */
#define IS_CAN_GET_FLAG(FLAG) (((FLAG) == CAN_FLAG_LEC) || ((FLAG) == CAN_FLAG_BOF) || \
((FLAG) == CAN_FLAG_EPV) || ((FLAG) == CAN_FLAG_EWG) || \
((FLAG) == CAN_FLAG_WKU) || ((FLAG) == CAN_FLAG_FOV0) || \
((FLAG) == CAN_FLAG_FF0) || ((FLAG) == CAN_FLAG_FMP0) || \
((FLAG) == CAN_FLAG_FOV1) || ((FLAG) == CAN_FLAG_FF1) || \
((FLAG) == CAN_FLAG_FMP1) || ((FLAG) == CAN_FLAG_RQCP2) || \
((FLAG) == CAN_FLAG_RQCP1)|| ((FLAG) == CAN_FLAG_RQCP0) || \
((FLAG) == CAN_FLAG_SLAK ))
#define IS_CAN_CLEAR_FLAG(FLAG)(((FLAG) == CAN_FLAG_LEC) || ((FLAG) == CAN_FLAG_RQCP2) || \
((FLAG) == CAN_FLAG_RQCP1) || ((FLAG) == CAN_FLAG_RQCP0) || \
((FLAG) == CAN_FLAG_FF0) || ((FLAG) == CAN_FLAG_FOV0) ||\
((FLAG) == CAN_FLAG_FF1) || ((FLAG) == CAN_FLAG_FOV1) || \
((FLAG) == CAN_FLAG_WKU) || ((FLAG) == CAN_FLAG_SLAK))
/**
* @}
*/
/** @defgroup CAN_interrupts
* @{
*/
#define CAN_IT_TME ((uint32_t)0x00000001) /*!< Transmit mailbox empty Interrupt*/
/* Receive Interrupts */
#define CAN_IT_FMP0 ((uint32_t)0x00000002) /*!< FIFO 0 message pending Interrupt*/
#define CAN_IT_FF0 ((uint32_t)0x00000004) /*!< FIFO 0 full Interrupt*/
#define CAN_IT_FOV0 ((uint32_t)0x00000008) /*!< FIFO 0 overrun Interrupt*/
#define CAN_IT_FMP1 ((uint32_t)0x00000010) /*!< FIFO 1 message pending Interrupt*/
#define CAN_IT_FF1 ((uint32_t)0x00000020) /*!< FIFO 1 full Interrupt*/
#define CAN_IT_FOV1 ((uint32_t)0x00000040) /*!< FIFO 1 overrun Interrupt*/
/* Operating Mode Interrupts */
#define CAN_IT_WKU ((uint32_t)0x00010000) /*!< Wake-up Interrupt*/
#define CAN_IT_SLK ((uint32_t)0x00020000) /*!< Sleep acknowledge Interrupt*/
/* Error Interrupts */
#define CAN_IT_EWG ((uint32_t)0x00000100) /*!< Error warning Interrupt*/
#define CAN_IT_EPV ((uint32_t)0x00000200) /*!< Error passive Interrupt*/
#define CAN_IT_BOF ((uint32_t)0x00000400) /*!< Bus-off Interrupt*/
#define CAN_IT_LEC ((uint32_t)0x00000800) /*!< Last error code Interrupt*/
#define CAN_IT_ERR ((uint32_t)0x00008000) /*!< Error Interrupt*/
/* Flags named as Interrupts : kept only for FW compatibility */
#define CAN_IT_RQCP0 CAN_IT_TME
#define CAN_IT_RQCP1 CAN_IT_TME
#define CAN_IT_RQCP2 CAN_IT_TME
#define IS_CAN_IT(IT) (((IT) == CAN_IT_TME) || ((IT) == CAN_IT_FMP0) ||\
((IT) == CAN_IT_FF0) || ((IT) == CAN_IT_FOV0) ||\
((IT) == CAN_IT_FMP1) || ((IT) == CAN_IT_FF1) ||\
((IT) == CAN_IT_FOV1) || ((IT) == CAN_IT_EWG) ||\
((IT) == CAN_IT_EPV) || ((IT) == CAN_IT_BOF) ||\
((IT) == CAN_IT_LEC) || ((IT) == CAN_IT_ERR) ||\
((IT) == CAN_IT_WKU) || ((IT) == CAN_IT_SLK))
#define IS_CAN_CLEAR_IT(IT) (((IT) == CAN_IT_TME) || ((IT) == CAN_IT_FF0) ||\
((IT) == CAN_IT_FOV0)|| ((IT) == CAN_IT_FF1) ||\
((IT) == CAN_IT_FOV1)|| ((IT) == CAN_IT_EWG) ||\
((IT) == CAN_IT_EPV) || ((IT) == CAN_IT_BOF) ||\
((IT) == CAN_IT_LEC) || ((IT) == CAN_IT_ERR) ||\
((IT) == CAN_IT_WKU) || ((IT) == CAN_IT_SLK))
/**
* @}
*/
/** @defgroup CAN_Legacy
* @{
*/
#define CANINITFAILED CAN_InitStatus_Failed
#define CANINITOK CAN_InitStatus_Success
#define CAN_FilterFIFO0 CAN_Filter_FIFO0
#define CAN_FilterFIFO1 CAN_Filter_FIFO1
#define CAN_ID_STD CAN_Id_Standard
#define CAN_ID_EXT CAN_Id_Extended
#define CAN_RTR_DATA CAN_RTR_Data
#define CAN_RTR_REMOTE CAN_RTR_Remote
#define CANTXFAILE CAN_TxStatus_Failed
#define CANTXOK CAN_TxStatus_Ok
#define CANTXPENDING CAN_TxStatus_Pending
#define CAN_NO_MB CAN_TxStatus_NoMailBox
#define CANSLEEPFAILED CAN_Sleep_Failed
#define CANSLEEPOK CAN_Sleep_Ok
#define CANWAKEUPFAILED CAN_WakeUp_Failed
#define CANWAKEUPOK CAN_WakeUp_Ok
/**
* @}
*/
/**
* @}
*/
/** @defgroup CAN_Exported_Macros
* @{
*/
/**
* @}
*/
/** @defgroup CAN_Exported_Functions
* @{
*/
/* Function used to set the CAN configuration to the default reset state *****/
void CAN_DeInit(CAN_TypeDef* CANx);
/* Initialization and Configuration functions *********************************/
uint8_t CAN_Init(CAN_TypeDef* CANx, CAN_InitTypeDef* CAN_InitStruct);
void CAN_FilterInit(CAN_FilterInitTypeDef* CAN_FilterInitStruct);
void CAN_StructInit(CAN_InitTypeDef* CAN_InitStruct);
void CAN_SlaveStartBank(uint8_t CAN_BankNumber);
void CAN_DBGFreeze(CAN_TypeDef* CANx, FunctionalState NewState);
void CAN_TTComModeCmd(CAN_TypeDef* CANx, FunctionalState NewState);
/* Transmit functions *********************************************************/
uint8_t CAN_Transmit(CAN_TypeDef* CANx, CanTxMsg* TxMessage);
uint8_t CAN_TransmitStatus(CAN_TypeDef* CANx, uint8_t TransmitMailbox);
void CAN_CancelTransmit(CAN_TypeDef* CANx, uint8_t Mailbox);
/* Receive functions **********************************************************/
void CAN_Receive(CAN_TypeDef* CANx, uint8_t FIFONumber, CanRxMsg* RxMessage);
void CAN_FIFORelease(CAN_TypeDef* CANx, uint8_t FIFONumber);
uint8_t CAN_MessagePending(CAN_TypeDef* CANx, uint8_t FIFONumber);
/* Operation modes functions **************************************************/
uint8_t CAN_OperatingModeRequest(CAN_TypeDef* CANx, uint8_t CAN_OperatingMode);
uint8_t CAN_Sleep(CAN_TypeDef* CANx);
uint8_t CAN_WakeUp(CAN_TypeDef* CANx);
/* Error management functions *************************************************/
uint8_t CAN_GetLastErrorCode(CAN_TypeDef* CANx);
uint8_t CAN_GetReceiveErrorCounter(CAN_TypeDef* CANx);
uint8_t CAN_GetLSBTransmitErrorCounter(CAN_TypeDef* CANx);
/* Interrupts and flags management functions **********************************/
void CAN_ITConfig(CAN_TypeDef* CANx, uint32_t CAN_IT, FunctionalState NewState);
FlagStatus CAN_GetFlagStatus(CAN_TypeDef* CANx, uint32_t CAN_FLAG);
void CAN_ClearFlag(CAN_TypeDef* CANx, uint32_t CAN_FLAG);
ITStatus CAN_GetITStatus(CAN_TypeDef* CANx, uint32_t CAN_IT);
void CAN_ClearITPendingBit(CAN_TypeDef* CANx, uint32_t CAN_IT);
#ifdef __cplusplus
}
#endif
#endif /* __STM32F10x_CAN_H */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

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/**
******************************************************************************
* @file stm32f10x_cec.c
* @author MCD Application Team
* @version V3.5.0
* @date 11-March-2011
* @brief This file provides all the CEC 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_cec.h"
#include "stm32f10x_rcc.h"
/** @addtogroup STM32F10x_StdPeriph_Driver
* @{
*/
/** @defgroup CEC
* @brief CEC driver modules
* @{
*/
/** @defgroup CEC_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup CEC_Private_Defines
* @{
*/
/* ------------ CEC registers bit address in the alias region ----------- */
#define CEC_OFFSET (CEC_BASE - PERIPH_BASE)
/* --- CFGR Register ---*/
/* Alias word address of PE bit */
#define CFGR_OFFSET (CEC_OFFSET + 0x00)
#define PE_BitNumber 0x00
#define CFGR_PE_BB (PERIPH_BB_BASE + (CFGR_OFFSET * 32) + (PE_BitNumber * 4))
/* Alias word address of IE bit */
#define IE_BitNumber 0x01
#define CFGR_IE_BB (PERIPH_BB_BASE + (CFGR_OFFSET * 32) + (IE_BitNumber * 4))
/* --- CSR Register ---*/
/* Alias word address of TSOM bit */
#define CSR_OFFSET (CEC_OFFSET + 0x10)
#define TSOM_BitNumber 0x00
#define CSR_TSOM_BB (PERIPH_BB_BASE + (CSR_OFFSET * 32) + (TSOM_BitNumber * 4))
/* Alias word address of TEOM bit */
#define TEOM_BitNumber 0x01
#define CSR_TEOM_BB (PERIPH_BB_BASE + (CSR_OFFSET * 32) + (TEOM_BitNumber * 4))
#define CFGR_CLEAR_Mask (uint8_t)(0xF3) /* CFGR register Mask */
#define FLAG_Mask ((uint32_t)0x00FFFFFF) /* CEC FLAG mask */
/**
* @}
*/
/** @defgroup CEC_Private_Macros
* @{
*/
/**
* @}
*/
/** @defgroup CEC_Private_Variables
* @{
*/
/**
* @}
*/
/** @defgroup CEC_Private_FunctionPrototypes
* @{
*/
/**
* @}
*/
/** @defgroup CEC_Private_Functions
* @{
*/
/**
* @brief Deinitializes the CEC peripheral registers to their default reset
* values.
* @param None
* @retval None
*/
void CEC_DeInit(void)
{
/* Enable CEC reset state */
RCC_APB1PeriphResetCmd(RCC_APB1Periph_CEC, ENABLE);
/* Release CEC from reset state */
RCC_APB1PeriphResetCmd(RCC_APB1Periph_CEC, DISABLE);
}
/**
* @brief Initializes the CEC peripheral according to the specified
* parameters in the CEC_InitStruct.
* @param CEC_InitStruct: pointer to an CEC_InitTypeDef structure that
* contains the configuration information for the specified
* CEC peripheral.
* @retval None
*/
void CEC_Init(CEC_InitTypeDef* CEC_InitStruct)
{
uint16_t tmpreg = 0;
/* Check the parameters */
assert_param(IS_CEC_BIT_TIMING_ERROR_MODE(CEC_InitStruct->CEC_BitTimingMode));
assert_param(IS_CEC_BIT_PERIOD_ERROR_MODE(CEC_InitStruct->CEC_BitPeriodMode));
/*---------------------------- CEC CFGR Configuration -----------------*/
/* Get the CEC CFGR value */
tmpreg = CEC->CFGR;
/* Clear BTEM and BPEM bits */
tmpreg &= CFGR_CLEAR_Mask;
/* Configure CEC: Bit Timing Error and Bit Period Error */
tmpreg |= (uint16_t)(CEC_InitStruct->CEC_BitTimingMode | CEC_InitStruct->CEC_BitPeriodMode);
/* Write to CEC CFGR register*/
CEC->CFGR = tmpreg;
}
/**
* @brief Enables or disables the specified CEC peripheral.
* @param NewState: new state of the CEC peripheral.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void CEC_Cmd(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
*(__IO uint32_t *) CFGR_PE_BB = (uint32_t)NewState;
if(NewState == DISABLE)
{
/* Wait until the PE bit is cleared by hardware (Idle Line detected) */
while((CEC->CFGR & CEC_CFGR_PE) != (uint32_t)RESET)
{
}
}
}
/**
* @brief Enables or disables the CEC interrupt.
* @param NewState: new state of the CEC interrupt.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void CEC_ITConfig(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
*(__IO uint32_t *) CFGR_IE_BB = (uint32_t)NewState;
}
/**
* @brief Defines the Own Address of the CEC device.
* @param CEC_OwnAddress: The CEC own address
* @retval None
*/
void CEC_OwnAddressConfig(uint8_t CEC_OwnAddress)
{
/* Check the parameters */
assert_param(IS_CEC_ADDRESS(CEC_OwnAddress));
/* Set the CEC own address */
CEC->OAR = CEC_OwnAddress;
}
/**
* @brief Sets the CEC prescaler value.
* @param CEC_Prescaler: CEC prescaler new value
* @retval None
*/
void CEC_SetPrescaler(uint16_t CEC_Prescaler)
{
/* Check the parameters */
assert_param(IS_CEC_PRESCALER(CEC_Prescaler));
/* Set the Prescaler value*/
CEC->PRES = CEC_Prescaler;
}
/**
* @brief Transmits single data through the CEC peripheral.
* @param Data: the data to transmit.
* @retval None
*/
void CEC_SendDataByte(uint8_t Data)
{
/* Transmit Data */
CEC->TXD = Data ;
}
/**
* @brief Returns the most recent received data by the CEC peripheral.
* @param None
* @retval The received data.
*/
uint8_t CEC_ReceiveDataByte(void)
{
/* Receive Data */
return (uint8_t)(CEC->RXD);
}
/**
* @brief Starts a new message.
* @param None
* @retval None
*/
void CEC_StartOfMessage(void)
{
/* Starts of new message */
*(__IO uint32_t *) CSR_TSOM_BB = (uint32_t)0x1;
}
/**
* @brief Transmits message with or without an EOM bit.
* @param NewState: new state of the CEC Tx End Of Message.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void CEC_EndOfMessageCmd(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
/* The data byte will be transmitted with or without an EOM bit*/
*(__IO uint32_t *) CSR_TEOM_BB = (uint32_t)NewState;
}
/**
* @brief Gets the CEC flag status
* @param CEC_FLAG: specifies the CEC flag to check.
* This parameter can be one of the following values:
* @arg CEC_FLAG_BTE: Bit Timing Error
* @arg CEC_FLAG_BPE: Bit Period Error
* @arg CEC_FLAG_RBTFE: Rx Block Transfer Finished Error
* @arg CEC_FLAG_SBE: Start Bit Error
* @arg CEC_FLAG_ACKE: Block Acknowledge Error
* @arg CEC_FLAG_LINE: Line Error
* @arg CEC_FLAG_TBTFE: Tx Block Transfer Finished Error
* @arg CEC_FLAG_TEOM: Tx End Of Message
* @arg CEC_FLAG_TERR: Tx Error
* @arg CEC_FLAG_TBTRF: Tx Byte Transfer Request or Block Transfer Finished
* @arg CEC_FLAG_RSOM: Rx Start Of Message
* @arg CEC_FLAG_REOM: Rx End Of Message
* @arg CEC_FLAG_RERR: Rx Error
* @arg CEC_FLAG_RBTF: Rx Byte/Block Transfer Finished
* @retval The new state of CEC_FLAG (SET or RESET)
*/
FlagStatus CEC_GetFlagStatus(uint32_t CEC_FLAG)
{
FlagStatus bitstatus = RESET;
uint32_t cecreg = 0, cecbase = 0;
/* Check the parameters */
assert_param(IS_CEC_GET_FLAG(CEC_FLAG));
/* Get the CEC peripheral base address */
cecbase = (uint32_t)(CEC_BASE);
/* Read flag register index */
cecreg = CEC_FLAG >> 28;
/* Get bit[23:0] of the flag */
CEC_FLAG &= FLAG_Mask;
if(cecreg != 0)
{
/* Flag in CEC ESR Register */
CEC_FLAG = (uint32_t)(CEC_FLAG >> 16);
/* Get the CEC ESR register address */
cecbase += 0xC;
}
else
{
/* Get the CEC CSR register address */
cecbase += 0x10;
}
if(((*(__IO uint32_t *)cecbase) & CEC_FLAG) != (uint32_t)RESET)
{
/* CEC_FLAG is set */
bitstatus = SET;
}
else
{
/* CEC_FLAG is reset */
bitstatus = RESET;
}
/* Return the CEC_FLAG status */
return bitstatus;
}
/**
* @brief Clears the CEC's pending flags.
* @param CEC_FLAG: specifies the flag to clear.
* This parameter can be any combination of the following values:
* @arg CEC_FLAG_TERR: Tx Error
* @arg CEC_FLAG_TBTRF: Tx Byte Transfer Request or Block Transfer Finished
* @arg CEC_FLAG_RSOM: Rx Start Of Message
* @arg CEC_FLAG_REOM: Rx End Of Message
* @arg CEC_FLAG_RERR: Rx Error
* @arg CEC_FLAG_RBTF: Rx Byte/Block Transfer Finished
* @retval None
*/
void CEC_ClearFlag(uint32_t CEC_FLAG)
{
uint32_t tmp = 0x0;
/* Check the parameters */
assert_param(IS_CEC_CLEAR_FLAG(CEC_FLAG));
tmp = CEC->CSR & 0x2;
/* Clear the selected CEC flags */
CEC->CSR &= (uint32_t)(((~(uint32_t)CEC_FLAG) & 0xFFFFFFFC) | tmp);
}
/**
* @brief Checks whether the specified CEC interrupt has occurred or not.
* @param CEC_IT: specifies the CEC interrupt source to check.
* This parameter can be one of the following values:
* @arg CEC_IT_TERR: Tx Error
* @arg CEC_IT_TBTF: Tx Block Transfer Finished
* @arg CEC_IT_RERR: Rx Error
* @arg CEC_IT_RBTF: Rx Block Transfer Finished
* @retval The new state of CEC_IT (SET or RESET).
*/
ITStatus CEC_GetITStatus(uint8_t CEC_IT)
{
ITStatus bitstatus = RESET;
uint32_t enablestatus = 0;
/* Check the parameters */
assert_param(IS_CEC_GET_IT(CEC_IT));
/* Get the CEC IT enable bit status */
enablestatus = (CEC->CFGR & (uint8_t)CEC_CFGR_IE) ;
/* Check the status of the specified CEC interrupt */
if (((CEC->CSR & CEC_IT) != (uint32_t)RESET) && enablestatus)
{
/* CEC_IT is set */
bitstatus = SET;
}
else
{
/* CEC_IT is reset */
bitstatus = RESET;
}
/* Return the CEC_IT status */
return bitstatus;
}
/**
* @brief Clears the CEC's interrupt pending bits.
* @param CEC_IT: specifies the CEC interrupt pending bit to clear.
* This parameter can be any combination of the following values:
* @arg CEC_IT_TERR: Tx Error
* @arg CEC_IT_TBTF: Tx Block Transfer Finished
* @arg CEC_IT_RERR: Rx Error
* @arg CEC_IT_RBTF: Rx Block Transfer Finished
* @retval None
*/
void CEC_ClearITPendingBit(uint16_t CEC_IT)
{
uint32_t tmp = 0x0;
/* Check the parameters */
assert_param(IS_CEC_GET_IT(CEC_IT));
tmp = CEC->CSR & 0x2;
/* Clear the selected CEC interrupt pending bits */
CEC->CSR &= (uint32_t)(((~(uint32_t)CEC_IT) & 0xFFFFFFFC) | tmp);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

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/**
******************************************************************************
* @file stm32f10x_cec.h
* @author MCD Application Team
* @version V3.5.0
* @date 11-March-2011
* @brief This file contains all the functions prototypes for the CEC 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_CEC_H
#define __STM32F10x_CEC_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
/** @addtogroup STM32F10x_StdPeriph_Driver
* @{
*/
/** @addtogroup CEC
* @{
*/
/** @defgroup CEC_Exported_Types
* @{
*/
/**
* @brief CEC Init structure definition
*/
typedef struct
{
uint16_t CEC_BitTimingMode; /*!< Configures the CEC Bit Timing Error Mode.
This parameter can be a value of @ref CEC_BitTiming_Mode */
uint16_t CEC_BitPeriodMode; /*!< Configures the CEC Bit Period Error Mode.
This parameter can be a value of @ref CEC_BitPeriod_Mode */
}CEC_InitTypeDef;
/**
* @}
*/
/** @defgroup CEC_Exported_Constants
* @{
*/
/** @defgroup CEC_BitTiming_Mode
* @{
*/
#define CEC_BitTimingStdMode ((uint16_t)0x00) /*!< Bit timing error Standard Mode */
#define CEC_BitTimingErrFreeMode CEC_CFGR_BTEM /*!< Bit timing error Free Mode */
#define IS_CEC_BIT_TIMING_ERROR_MODE(MODE) (((MODE) == CEC_BitTimingStdMode) || \
((MODE) == CEC_BitTimingErrFreeMode))
/**
* @}
*/
/** @defgroup CEC_BitPeriod_Mode
* @{
*/
#define CEC_BitPeriodStdMode ((uint16_t)0x00) /*!< Bit period error Standard Mode */
#define CEC_BitPeriodFlexibleMode CEC_CFGR_BPEM /*!< Bit period error Flexible Mode */
#define IS_CEC_BIT_PERIOD_ERROR_MODE(MODE) (((MODE) == CEC_BitPeriodStdMode) || \
((MODE) == CEC_BitPeriodFlexibleMode))
/**
* @}
*/
/** @defgroup CEC_interrupts_definition
* @{
*/
#define CEC_IT_TERR CEC_CSR_TERR
#define CEC_IT_TBTRF CEC_CSR_TBTRF
#define CEC_IT_RERR CEC_CSR_RERR
#define CEC_IT_RBTF CEC_CSR_RBTF
#define IS_CEC_GET_IT(IT) (((IT) == CEC_IT_TERR) || ((IT) == CEC_IT_TBTRF) || \
((IT) == CEC_IT_RERR) || ((IT) == CEC_IT_RBTF))
/**
* @}
*/
/** @defgroup CEC_Own_Address
* @{
*/
#define IS_CEC_ADDRESS(ADDRESS) ((ADDRESS) < 0x10)
/**
* @}
*/
/** @defgroup CEC_Prescaler
* @{
*/
#define IS_CEC_PRESCALER(PRESCALER) ((PRESCALER) <= 0x3FFF)
/**
* @}
*/
/** @defgroup CEC_flags_definition
* @{
*/
/**
* @brief ESR register flags
*/
#define CEC_FLAG_BTE ((uint32_t)0x10010000)
#define CEC_FLAG_BPE ((uint32_t)0x10020000)
#define CEC_FLAG_RBTFE ((uint32_t)0x10040000)
#define CEC_FLAG_SBE ((uint32_t)0x10080000)
#define CEC_FLAG_ACKE ((uint32_t)0x10100000)
#define CEC_FLAG_LINE ((uint32_t)0x10200000)
#define CEC_FLAG_TBTFE ((uint32_t)0x10400000)
/**
* @brief CSR register flags
*/
#define CEC_FLAG_TEOM ((uint32_t)0x00000002)
#define CEC_FLAG_TERR ((uint32_t)0x00000004)
#define CEC_FLAG_TBTRF ((uint32_t)0x00000008)
#define CEC_FLAG_RSOM ((uint32_t)0x00000010)
#define CEC_FLAG_REOM ((uint32_t)0x00000020)
#define CEC_FLAG_RERR ((uint32_t)0x00000040)
#define CEC_FLAG_RBTF ((uint32_t)0x00000080)
#define IS_CEC_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFFFFFF03) == 0x00) && ((FLAG) != 0x00))
#define IS_CEC_GET_FLAG(FLAG) (((FLAG) == CEC_FLAG_BTE) || ((FLAG) == CEC_FLAG_BPE) || \
((FLAG) == CEC_FLAG_RBTFE) || ((FLAG)== CEC_FLAG_SBE) || \
((FLAG) == CEC_FLAG_ACKE) || ((FLAG) == CEC_FLAG_LINE) || \
((FLAG) == CEC_FLAG_TBTFE) || ((FLAG) == CEC_FLAG_TEOM) || \
((FLAG) == CEC_FLAG_TERR) || ((FLAG) == CEC_FLAG_TBTRF) || \
((FLAG) == CEC_FLAG_RSOM) || ((FLAG) == CEC_FLAG_REOM) || \
((FLAG) == CEC_FLAG_RERR) || ((FLAG) == CEC_FLAG_RBTF))
/**
* @}
*/
/**
* @}
*/
/** @defgroup CEC_Exported_Macros
* @{
*/
/**
* @}
*/
/** @defgroup CEC_Exported_Functions
* @{
*/
void CEC_DeInit(void);
void CEC_Init(CEC_InitTypeDef* CEC_InitStruct);
void CEC_Cmd(FunctionalState NewState);
void CEC_ITConfig(FunctionalState NewState);
void CEC_OwnAddressConfig(uint8_t CEC_OwnAddress);
void CEC_SetPrescaler(uint16_t CEC_Prescaler);
void CEC_SendDataByte(uint8_t Data);
uint8_t CEC_ReceiveDataByte(void);
void CEC_StartOfMessage(void);
void CEC_EndOfMessageCmd(FunctionalState NewState);
FlagStatus CEC_GetFlagStatus(uint32_t CEC_FLAG);
void CEC_ClearFlag(uint32_t CEC_FLAG);
ITStatus CEC_GetITStatus(uint8_t CEC_IT);
void CEC_ClearITPendingBit(uint16_t CEC_IT);
#ifdef __cplusplus
}
#endif
#endif /* __STM32F10x_CEC_H */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/