📄 stm32f10x_can.h
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/******************** (C) COPYRIGHT 2007 STMicroelectronics ********************
* File Name : stm32f10x_can.h
* Author : MCD Application Team
* Date First Issued : 09/29/2006
* Description : This file contains all the functions prototypes for the
* CAN firmware library.
********************************************************************************
* History:
* 05/21/2007: V0.3
* 04/02/2007: V0.2
* 02/05/2007: V0.1
* 09/29/2006: V0.01
********************************************************************************
* THE PRESENT SOFTWARE 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 SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F10x_CAN_H
#define __STM32F10x_CAN_H
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_map.h"
/* Exported types ------------------------------------------------------------*/
/* CAN init structure definition */
typedef struct
{
FunctionalState CAN_TTCM;
FunctionalState CAN_ABOM;
FunctionalState CAN_AWUM;
FunctionalState CAN_NART;
FunctionalState CAN_RFLM;
FunctionalState CAN_TXFP;
INT8U CAN_Mode;
INT8U CAN_SJW;
INT8U CAN_BS1;
INT8U CAN_BS2;
INT16U CAN_Prescaler;
} CAN_InitTypeDef;
/* CAN filter init structure definition */
typedef struct
{
INT8U CAN_FilterNumber;
INT8U CAN_FilterMode;
INT8U CAN_FilterScale;
INT16U CAN_FilterIdHigh;
INT16U CAN_FilterIdLow;
INT16U CAN_FilterMaskIdHigh;
INT16U CAN_FilterMaskIdLow;
INT16U CAN_FilterFIFOAssignment;
FunctionalState CAN_FilterActivation;
} CAN_FilterInitTypeDef;
/* CAN Tx message structure definition */
typedef struct
{
INT32U StdId;
INT32U ExtId;
INT8U IDE;
INT8U RTR;
INT8U DLC;
INT8U Data[8];
} CanTxMsg;
/* CAN Rx message structure definition */
typedef struct
{
INT32U StdId;
INT32U ExtId;
INT8U IDE;
INT8U RTR;
INT8U DLC;
INT8U Data[8];
INT8U FMI;
} CanRxMsg;
/* Exported constants --------------------------------------------------------*/
/* CAN sleep constants */
#define CANINITFAILED ((INT8U)0x00) /* CAN initialization failed */
#define CANINITOK ((INT8U)0x01) /* CAN initialization failed */
/* CAN operating mode */
#define CAN_Mode_Normal ((INT8U)0x00) /* normal mode */
#define CAN_Mode_LoopBack ((INT8U)0x01) /* loopback mode */
#define CAN_Mode_Silent ((INT8U)0x02) /* silent mode */
#define CAN_Mode_Silent_LoopBack ((INT8U)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))
/* CAN synchronisation jump width */
#define CAN_SJW_0tq ((INT8U)0x00) /* 0 time quantum */
#define CAN_SJW_1tq ((INT8U)0x01) /* 1 time quantum */
#define CAN_SJW_2tq ((INT8U)0x02) /* 2 time quantum */
#define CAN_SJW_3tq ((INT8U)0x03) /* 3 time quantum */
#define IS_CAN_SJW(SJW) ((SJW == CAN_SJW_0tq) || (SJW == CAN_SJW_1tq)|| \
(SJW == CAN_SJW_2tq) || (SJW == CAN_SJW_3tq))
/* time quantum in bit segment 1 */
#define CAN_BS1_1tq ((INT8U)0x00) /* 1 time quantum */
#define CAN_BS1_2tq ((INT8U)0x01) /* 2 time quantum */
#define CAN_BS1_3tq ((INT8U)0x02) /* 3 time quantum */
#define CAN_BS1_4tq ((INT8U)0x03) /* 4 time quantum */
#define CAN_BS1_5tq ((INT8U)0x04) /* 5 time quantum */
#define CAN_BS1_6tq ((INT8U)0x05) /* 6 time quantum */
#define CAN_BS1_7tq ((INT8U)0x06) /* 7 time quantum */
#define CAN_BS1_8tq ((INT8U)0x07) /* 8 time quantum */
#define CAN_BS1_9tq ((INT8U)0x08) /* 9 time quantum */
#define CAN_BS1_10tq ((INT8U)0x09) /* 10 time quantum */
#define CAN_BS1_11tq ((INT8U)0x0A) /* 11 time quantum */
#define CAN_BS1_12tq ((INT8U)0x0B) /* 12 time quantum */
#define CAN_BS1_13tq ((INT8U)0x0C) /* 13 time quantum */
#define CAN_BS1_14tq ((INT8U)0x0D) /* 14 time quantum */
#define CAN_BS1_15tq ((INT8U)0x0E) /* 15 time quantum */
#define CAN_BS1_16tq ((INT8U)0x0F) /* 16 time quantum */
#define IS_CAN_BS1(BS1) (BS1 <= CAN_BS1_16tq)
/* time quantum in bit segment 2 */
#define CAN_BS2_1tq ((INT8U)0x00) /* 1 time quantum */
#define CAN_BS2_2tq ((INT8U)0x01) /* 2 time quantum */
#define CAN_BS2_3tq ((INT8U)0x02) /* 3 time quantum */
#define CAN_BS2_4tq ((INT8U)0x03) /* 4 time quantum */
#define CAN_BS2_5tq ((INT8U)0x04) /* 5 time quantum */
#define CAN_BS2_6tq ((INT8U)0x05) /* 6 time quantum */
#define CAN_BS2_7tq ((INT8U)0x06) /* 7 time quantum */
#define CAN_BS2_8tq ((INT8U)0x07) /* 8 time quantum */
#define IS_CAN_BS2(BS2) (BS2 <= CAN_BS2_8tq)
/* CAN clock prescaler */
#define IS_CAN_PRESCALER(PRESCALER) ((PRESCALER >= 1) && (PRESCALER <= 1024))
/* CAN filter number */
#define IS_CAN_FILTER_NUMBER(NUMBER) (NUMBER <= 13)
/* CAN filter mode */
#define CAN_FilterMode_IdMask ((INT8U)0x00) /* id/mask mode */
#define CAN_FilterMode_IdList ((INT8U)0x01) /* identifier list mode */
#define IS_CAN_FILTER_MODE(MODE) ((MODE == CAN_FilterMode_IdMask) || \
(MODE == CAN_FilterMode_IdList))
/* CAN filter scale */
#define CAN_FilterScale_16bit ((INT8U)0x00) /* 16-bit filter scale */
#define CAN_FilterScale_32bit ((INT8U)0x01) /* 2-bit filter scale */
#define IS_CAN_FILTER_SCALE(SCALE) ((SCALE == CAN_FilterScale_16bit) || \
(SCALE == CAN_FilterScale_32bit))
/* CAN filter FIFO assignation */
#define CAN_FilterFIFO0 ((INT8U)0x00) /* Filter FIFO 0 assignment for filter x */
#define CAN_FilterFIFO1 ((INT8U)0x01) /* Filter FIFO 1 assignment for filter x */
#define IS_CAN_FILTER_FIFO(FIFO) ((FIFO == CAN_FilterFIFO0) || \
(FIFO == CAN_FilterFIFO1))
/* CAN Tx */
#define IS_CAN_TRANSMITMAILBOX(TRANSMITMAILBOX) (TRANSMITMAILBOX <= ((INT8U)0x02))
#define IS_CAN_STDID(STDID) (STDID <= ((INT32U)0x7FF))
#define IS_CAN_EXTID(EXTID) (EXTID <= ((INT32U)0x3FFFF))
#define IS_CAN_DLC(DLC) (DLC <= ((INT8U)0x08))
/* CAN identifier type */
#define CAN_ID_STD ((INT32U)0x00000000) /* Standard Id */
#define CAN_ID_EXT ((INT32U)0x00000004) /* Extended Id */
#define IS_CAN_IDTYPE(IDTYPE) ((IDTYPE == CAN_ID_STD) || (IDTYPE == CAN_ID_EXT))
/* CAN remote transmission request */
#define CAN_RTR_DATA ((INT32U)0x00000000) /* Data frame */
#define CAN_RTR_REMOTE ((INT32U)0x00000002) /* Remote frame */
#define IS_CAN_RTR(RTR) ((RTR == CAN_RTR_DATA) || (RTR == CAN_RTR_REMOTE))
/* CAN transmit constants */
#define CANTXFAILED ((INT8U)0x00) /* CAN transmission failed */
#define CANTXOK ((INT8U)0x01) /* CAN transmission succeeded */
#define CANTXPENDING ((INT8U)0x02) /* CAN transmission pending */
#define CAN_NO_MB ((INT8U)0x04) /* CAN cell did not provide an empty mailbox */
/* CAN receive FIFO number constants */
#define CAN_FIFO0 ((INT8U)0x00) /* CAN FIFO0 used to receive */
#define CAN_FIFO1 ((INT8U)0x01) /* CAN FIFO1 used to receive */
#define IS_CAN_FIFO(FIFO) ((FIFO == CAN_FIFO0) || (FIFO == CAN_FIFO1))
/* CAN sleep constants */
#define CANSLEEPFAILED ((INT8U)0x00) /* CAN did not enter the sleep mode */
#define CANSLEEPOK ((INT8U)0x01) /* CAN entered the sleep mode */
/* CAN wake up constants */
#define CANWAKEUPFAILED ((INT8U)0x00) /* CAN did not leave the sleep mode */
#define CANWAKEUPOK ((INT8U)0x01) /* CAN leaved the sleep mode */
/* CAN flags */
#define CAN_FLAG_EWG ((INT32U)0x00000001) /* Error Warning Flag */
#define CAN_FLAG_EPV ((INT32U)0x00000002) /* Error Passive Flag */
#define CAN_FLAG_BOF ((INT32U)0x00000004) /* Bus-Off Flag */
#define IS_CAN_FLAG(FLAG) ((FLAG == CAN_FLAG_EWG) || (FLAG == CAN_FLAG_EPV) ||\
(FLAG == CAN_FLAG_BOF))
/* CAN interrupts */
#define CAN_IT_RQCP0 ((INT32U)0x00000005) /* Request completed mailbox 0 */
#define CAN_IT_RQCP1 ((INT32U)0x00000006) /* Request completed mailbox 1 */
#define CAN_IT_RQCP2 ((INT32U)0x00000007) /* Request completed mailbox 2 */
#define CAN_IT_TME ((INT32U)0x00000001) /* Transmit mailbox empty */
#define CAN_IT_FMP0 ((INT32U)0x00000002) /* FIFO 0 message pending */
#define CAN_IT_FF0 ((INT32U)0x00000004) /* FIFO 0 full */
#define CAN_IT_FOV0 ((INT32U)0x00000008) /* FIFO 0 overrun */
#define CAN_IT_FMP1 ((INT32U)0x00000010) /* FIFO 1 message pending */
#define CAN_IT_FF1 ((INT32U)0x00000020) /* FIFO 1 full */
#define CAN_IT_FOV1 ((INT32U)0x00000040) /* FIFO 1 overrun */
#define CAN_IT_EWG ((INT32U)0x00000100) /* Error warning */
#define CAN_IT_EPV ((INT32U)0x00000200) /* Error passive */
#define CAN_IT_BOF ((INT32U)0x00000400) /* Bus-off */
#define CAN_IT_LEC ((INT32U)0x00000800) /* Last error code */
#define CAN_IT_ERR ((INT32U)0x00008000) /* Error */
#define CAN_IT_WKU ((INT32U)0x00010000) /* Wake-up */
#define CAN_IT_SLK ((INT32U)0x00020000) /* Sleep */
#define IS_CAN_ITConfig(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_ITStatus(IT) ((IT == CAN_IT_RQCP0) || (IT == CAN_IT_RQCP1) ||\
(IT == CAN_IT_RQCP2) || (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_WKU) || (IT == CAN_IT_SLK))
/* Exported macro ------------------------------------------------------------*/
/* Exported function protypes ----------------------------------------------- */
void CAN_DeInit(void);
INT8U CAN_Init(CAN_InitTypeDef* CAN_InitStruct);
void CAN_FilterInit(CAN_FilterInitTypeDef* CAN_FilterInitStruct);
void CAN_StructInit(CAN_InitTypeDef* CAN_InitStruct);
void CAN_ITConfig(INT32U CAN_IT, FunctionalState NewState);
INT8U CAN_Transmit(CanTxMsg* TxMessage);
INT8U CAN_TransmitStatus(INT8U TransmitMailbox);
void CAN_CancelTransmit(INT8U Mailbox);
void CAN_FIFORelease(INT8U FIFONumber);
INT8U CAN_MessagePending(INT8U FIFONumber);
void CAN_Receive(INT8U FIFONumber, CanRxMsg* RxMessage);
INT8U CAN_Sleep(void);
INT8U CAN_WakeUp(void);
FlagStatus CAN_GetFlagStatus(INT32U CAN_FLAG);
void CAN_ClearFlag(INT32U CAN_FLAG);
ITStatus CAN_GetITStatus(INT32U CAN_IT);
void CAN_ClearITPendingBit(INT32U CAN_IT);
#endif /* __STM32F10x_CAN_H */
/******************* (C) COPYRIGHT 2007 STMicroelectronics *****END OF FILE****/
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