| /******************** (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: | |
| * 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; | |
| u8 CAN_Mode; | |
| u8 CAN_SJW; | |
| u8 CAN_BS1; | |
| u8 CAN_BS2; | |
| u8 CAN_Clock; | |
| u16 CAN_Prescaler; | |
| } CAN_InitTypeDef; | |
| /* CAN filter init structure definition */ | |
| typedef struct | |
| { | |
| u8 CAN_FilterNumber; | |
| u8 CAN_FilterMode; | |
| u8 CAN_FilterScale; | |
| u16 CAN_FilterIdHigh; | |
| u16 CAN_FilterIdLow; | |
| u16 CAN_FilterMaskIdHigh; | |
| u16 CAN_FilterMaskIdLow; | |
| u16 CAN_FilterFIFOAssignment; | |
| FunctionalState CAN_FilterActivation; | |
| } CAN_FilterInitTypeDef; | |
| /* CAN Tx message structure definition */ | |
| typedef struct | |
| { | |
| u32 StdId; | |
| u32 ExtId; | |
| u8 IDE; | |
| u8 RTR; | |
| u8 DLC; | |
| u8 Data[8]; | |
| } CanTxMsg; | |
| /* CAN Rx message structure definition */ | |
| typedef struct | |
| { | |
| u32 StdId; | |
| u32 ExtId; | |
| u8 IDE; | |
| u8 RTR; | |
| u8 DLC; | |
| u8 Data[8]; | |
| u8 FMI; | |
| } CanRxMsg; | |
| /* Exported constants --------------------------------------------------------*/ | |
| /* CAN sleep constants */ | |
| #define CANINITFAILED ((u8)0x00) /* CAN initialization failed */ | |
| #define CANINITOK ((u8)0x01) /* CAN initialization failed */ | |
| /* CAN operating mode */ | |
| #define CAN_Mode_Normal ((u8)0x00) /* normal mode */ | |
| #define CAN_Mode_LoopBack ((u8)0x01) /* loopback mode */ | |
| #define CAN_Mode_Silent ((u8)0x02) /* silent mode */ | |
| #define CAN_Mode_Silent_LoopBack ((u8)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 ((u8)0x00) /* 0 time quantum */ | |
| #define CAN_SJW_1tq ((u8)0x01) /* 1 time quantum */ | |
| #define CAN_SJW_2tq ((u8)0x02) /* 2 time quantum */ | |
| #define CAN_SJW_3tq ((u8)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 ((u8)0x00) /* 1 time quantum */ | |
| #define CAN_BS1_2tq ((u8)0x01) /* 2 time quantum */ | |
| #define CAN_BS1_3tq ((u8)0x02) /* 3 time quantum */ | |
| #define CAN_BS1_4tq ((u8)0x03) /* 4 time quantum */ | |
| #define CAN_BS1_5tq ((u8)0x04) /* 5 time quantum */ | |
| #define CAN_BS1_6tq ((u8)0x05) /* 6 time quantum */ | |
| #define CAN_BS1_7tq ((u8)0x06) /* 7 time quantum */ | |
| #define CAN_BS1_8tq ((u8)0x07) /* 8 time quantum */ | |
| #define CAN_BS1_9tq ((u8)0x08) /* 9 time quantum */ | |
| #define CAN_BS1_10tq ((u8)0x09) /* 10 time quantum */ | |
| #define CAN_BS1_11tq ((u8)0x0A) /* 11 time quantum */ | |
| #define CAN_BS1_12tq ((u8)0x0B) /* 12 time quantum */ | |
| #define CAN_BS1_13tq ((u8)0x0C) /* 13 time quantum */ | |
| #define CAN_BS1_14tq ((u8)0x0D) /* 14 time quantum */ | |
| #define CAN_BS1_15tq ((u8)0x0E) /* 15 time quantum */ | |
| #define CAN_BS1_16tq ((u8)0x0F) /* 16 time quantum */ | |
| #define IS_CAN_BS1(BS1) (BS1 <= CAN_BS1_16tq) | |
| /* time quantum in bit segment 2 */ | |
| #define CAN_BS2_1tq ((u8)0x00) /* 1 time quantum */ | |
| #define CAN_BS2_2tq ((u8)0x01) /* 2 time quantum */ | |
| #define CAN_BS2_3tq ((u8)0x02) /* 3 time quantum */ | |
| #define CAN_BS2_4tq ((u8)0x03) /* 4 time quantum */ | |
| #define CAN_BS2_5tq ((u8)0x04) /* 5 time quantum */ | |
| #define CAN_BS2_6tq ((u8)0x05) /* 6 time quantum */ | |
| #define CAN_BS2_7tq ((u8)0x06) /* 7 time quantum */ | |
| #define CAN_BS2_8tq ((u8)0x07) /* 8 time quantum */ | |
| #define IS_CAN_BS2(BS2) (BS2 <= CAN_BS2_8tq) | |
| /* CAN clock selected */ | |
| #define CAN_Clock_8MHz ((u8)0x00) /* 8MHz XTAL clock selected */ | |
| #define CAN_Clock_APB ((u8)0x01) /* APB clock selected */ | |
| #define IS_CAN_CLOCK(CLOCK) ((CLOCK == CAN_Clock_8MHz) || (CLOCK == CAN_Clock_APB)) | |
| /* 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 ((u8)0x00) /* id/mask mode */ | |
| #define CAN_FilterMode_IdList ((u8)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 ((u8)0x00) /* 16-bit filter scale */ | |
| #define CAN_FilterScale_32bit ((u8)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 ((u8)0x00) /* Filter FIFO 0 assignment for filter x */ | |
| #define CAN_FilterFIFO1 ((u8)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 <= ((u8)0x02)) | |
| #define IS_CAN_STDID(STDID) (STDID <= ((u32)0x7FF)) | |
| #define IS_CAN_EXTID(EXTID) (EXTID <= ((u32)0x3FFFF)) | |
| #define IS_CAN_DLC(DLC) (DLC <= ((u8)0x08)) | |
| /* CAN identifier type */ | |
| #define CAN_ID_STD ((u32)0x00000000) /* Standard Id */ | |
| #define CAN_ID_EXT ((u32)0x00000004) /* Extended Id */ | |
| #define IS_CAN_IDTYPE(IDTYPE) ((IDTYPE == CAN_ID_STD) || (IDTYPE == CAN_ID_EXT)) | |
| /* CAN remote transmission request */ | |
| #define CAN_RTR_DATA ((u32)0x00000000) /* Data frame */ | |
| #define CAN_RTR_REMOTE ((u32)0x00000002) /* Remote frame */ | |
| #define IS_CAN_RTR(RTR) ((RTR == CAN_RTR_DATA) || (RTR == CAN_RTR_REMOTE)) | |
| /* CAN transmit constants */ | |
| #define CANTXFAILED ((u8)0x00) /* CAN transmission failed */ | |
| #define CANTXOK ((u8)0x01) /* CAN transmission succeeded */ | |
| #define CANTXPENDING ((u8)0x02) /* CAN transmission pending */ | |
| #define CAN_NO_MB ((u8)0x04) /* CAN cell did not provide an empty mailbox */ | |
| /* CAN receive FIFO number constants */ | |
| #define CAN_FIFO0 ((u8)0x00) /* CAN FIFO0 used to receive */ | |
| #define CAN_FIFO1 ((u8)0x01) /* CAN FIFO1 used to receive */ | |
| #define IS_CAN_FIFO(FIFO) ((FIFO == CAN_FIFO0) || (FIFO == CAN_FIFO1)) | |
| /* CAN sleep constants */ | |
| #define CANSLEEPFAILED ((u8)0x00) /* CAN did not enter the sleep mode */ | |
| #define CANSLEEPOK ((u8)0x01) /* CAN entered the sleep mode */ | |
| /* CAN wake up constants */ | |
| #define CANWAKEUPFAILED ((u8)0x00) /* CAN did not leave the sleep mode */ | |
| #define CANWAKEUPOK ((u8)0x01) /* CAN leaved the sleep mode */ | |
| /* CAN flags */ | |
| #define CAN_FLAG_EWG ((u32)0x00000001) /* Error Warning Flag */ | |
| #define CAN_FLAG_EPV ((u32)0x00000002) /* Error Passive Flag */ | |
| #define CAN_FLAG_BOF ((u32)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 ((u8)0x05) /* Request completed mailbox 0 */ | |
| #define CAN_IT_RQCP1 ((u8)0x06) /* Request completed mailbox 1 */ | |
| #define CAN_IT_RQCP2 ((u8)0x07) /* Request completed mailbox 2 */ | |
| #define CAN_IT_TME ((u32)0x00000001) /* Transmit mailbox empty */ | |
| #define CAN_IT_FMP0 ((u32)0x00000002) /* FIFO 0 message pending */ | |
| #define CAN_IT_FF0 ((u32)0x00000004) /* FIFO 0 full */ | |
| #define CAN_IT_FOV0 ((u32)0x00000008) /* FIFO 0 overrun */ | |
| #define CAN_IT_FMP1 ((u32)0x00000010) /* FIFO 1 message pending */ | |
| #define CAN_IT_FF1 ((u32)0x00000020) /* FIFO 1 full */ | |
| #define CAN_IT_FOV1 ((u32)0x00000040) /* FIFO 1 overrun */ | |
| #define CAN_IT_EWG ((u32)0x00000100) /* Error warning */ | |
| #define CAN_IT_EPV ((u32)0x00000200) /* Error passive */ | |
| #define CAN_IT_BOF ((u32)0x00000400) /* Bus-off */ | |
| #define CAN_IT_LEC ((u32)0x00000800) /* Last error code */ | |
| #define CAN_IT_ERR ((u32)0x00008000) /* Error */ | |
| #define CAN_IT_WKU ((u32)0x00010000) /* Wake-up */ | |
| #define CAN_IT_SLK ((u32)0x00020000) /* Sleep */ | |
| #define IS_CAN_IT(IT) ((IT == CAN_IT_RQCP0) || (IT == CAN_IT_RQCP1) ||\ | |
| (IT == CAN_IT_RQCP2) || (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)) | |
| /* Exported macro ------------------------------------------------------------*/ | |
| /* Exported function protypes ----------------------------------------------- */ | |
| void CAN_DeInit(void); | |
| u8 CAN_Init(CAN_InitTypeDef* CAN_InitStruct); | |
| void CAN_FilterInit(CAN_FilterInitTypeDef* CAN_FilterInitStruct); | |
| void CAN_StructInit(CAN_InitTypeDef* CAN_InitStruct); | |
| void CAN_ITConfig(u32 CAN_IT, FunctionalState NewState); | |
| u8 CAN_Transmit(CanTxMsg* TxMessage); | |
| u32 CAN_TransmitStatus(u8 TransmitMailbox); | |
| void CAN_CancelTransmit(u8 Mailbox); | |
| void CAN_FIFORelease(u8 FIFONumber); | |
| u8 CAN_MessagePending(u8 FIFONumber); | |
| void CAN_Receive(u8 FIFONumber, CanRxMsg* RxMessage); | |
| u8 CAN_Sleep(void); | |
| u8 CAN_WakeUp(void); | |
| FlagStatus CAN_GetFlagStatus(u32 CAN_FLAG); | |
| void CAN_ClearFlag(u32 CAN_FLAG); | |
| ITStatus CAN_GetITStatus(u32 CAN_IT); | |
| void CAN_ClearITPendingBit(u32 CAN_IT); | |
| #endif /* __STM32F10x_CAN_H */ | |
| /******************* (C) COPYRIGHT 2007 STMicroelectronics *****END OF FILE****/ |