stm32f4xx_can.h
638 lines
| 25.9 KiB
| text/x-c
|
CLexer
jeandet@pc-de-jeandet3.LAB-LPP.LOCAL
|
r18 | /** | ||
****************************************************************************** | ||||
* @file stm32f4xx_can.h | ||||
* @author MCD Application Team | ||||
* @version V1.0.0RC1 | ||||
* @date 25-August-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>© COPYRIGHT 2011 STMicroelectronics</center></h2> | ||||
****************************************************************************** | ||||
*/ | ||||
/* Define to prevent recursive inclusion -------------------------------------*/ | ||||
#ifndef __STM32F4xx_CAN_H | ||||
#define __STM32F4xx_CAN_H | ||||
#ifdef __cplusplus | ||||
extern "C" { | ||||
#endif | ||||
/* Includes ------------------------------------------------------------------*/ | ||||
#include "stm32f4xx.h" | ||||
/** @addtogroup STM32F4xx_StdPeriph_Driver | ||||
* @{ | ||||
*/ | ||||
/** @addtogroup 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 non-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; | ||||
/* Exported constants --------------------------------------------------------*/ | ||||
/** @defgroup CAN_Exported_Constants | ||||
* @{ | ||||
*/ | ||||
/** @defgroup CAN_InitStatus | ||||
* @{ | ||||
*/ | ||||
#define CAN_InitStatus_Failed ((uint8_t)0x00) /*!< CAN initialization failed */ | ||||
#define CAN_InitStatus_Success ((uint8_t)0x01) /*!< CAN initialization OK */ | ||||
/* Legacy defines */ | ||||
#define CANINITFAILED CAN_InitStatus_Failed | ||||
#define CANINITOK CAN_InitStatus_Success | ||||
/** | ||||
* @} | ||||
*/ | ||||
/** @defgroup CAN_operating_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_operating_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 | ||||
* @{ | ||||
*/ | ||||
#define IS_CAN_FILTER_NUMBER(NUMBER) ((NUMBER) <= 27) | ||||
/** | ||||
* @} | ||||
*/ | ||||
/** @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)) | ||||
/* Legacy defines */ | ||||
#define CAN_FilterFIFO0 CAN_Filter_FIFO0 | ||||
#define CAN_FilterFIFO1 CAN_Filter_FIFO1 | ||||
/** | ||||
* @} | ||||
*/ | ||||
/** @defgroup CAN_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)) | ||||
/* Legacy defines */ | ||||
#define CAN_ID_STD CAN_Id_Standard | ||||
#define CAN_ID_EXT 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)) | ||||
/* Legacy defines */ | ||||
#define CAN_RTR_DATA CAN_RTR_Data | ||||
#define CAN_RTR_REMOTE 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 */ | ||||
/* Legacy defines */ | ||||
#define CANTXFAILED CAN_TxStatus_Failed | ||||
#define CANTXOK CAN_TxStatus_Ok | ||||
#define CANTXPENDING CAN_TxStatus_Pending | ||||
#define CAN_NO_MB CAN_TxStatus_NoMailBox | ||||
/** | ||||
* @} | ||||
*/ | ||||
/** @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 */ | ||||
/* Legacy defines */ | ||||
#define CANSLEEPFAILED CAN_Sleep_Failed | ||||
#define CANSLEEPOK CAN_Sleep_Ok | ||||
/** | ||||
* @} | ||||
*/ | ||||
/** @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 */ | ||||
/* Legacy defines */ | ||||
#define CANWAKEUPFAILED CAN_WakeUp_Failed | ||||
#define CANWAKEUPOK CAN_WakeUp_Ok | ||||
/** | ||||
* @} | ||||
*/ | ||||
/** | ||||
* @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 interrupt 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)) | ||||
/** | ||||
* @} | ||||
*/ | ||||
/** | ||||
* @} | ||||
*/ | ||||
/* Exported macro ------------------------------------------------------------*/ | ||||
/* 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); | ||||
/* CAN Frames Transmission 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); | ||||
/* CAN Frames Reception 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); | ||||
/* CAN Bus 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 /* __STM32F4xx_CAN_H */ | ||||
/** | ||||
* @} | ||||
*/ | ||||
/** | ||||
* @} | ||||
*/ | ||||
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ | ||||