90 lines
2.0 KiB
C
90 lines
2.0 KiB
C
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#ifndef GENERAL_CAN_123_INCLUDED
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#define GENERAL_CAN_123_INCLUDED
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#ifdef __cplusplus
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extern "C" {
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#endif
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/************************************************************************/
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#include "glbtypes.h"
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//接收缓冲区长度
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#define CAN_RECVBUF_LEN (256+8)
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//每个打开的CAN，最多支持12个连接
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#define CAN_ATTRIB_LINK_MAX 16
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/****串口连接属性结构体****/
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typedef struct
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{
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//通知外部，打开成功
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ST_INT flagOpenSuccess;
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ST_INT canHandle; /***串口**/
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ST_UINT localCanID; /* 本地CAN id */
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ST_UINT sendCanID;
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ST_UINT recvCanID;
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ST_INT status; /**当前连接属性 0没有打开，1打开成功，2打开失败**/
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//所有连接个数，和所有的连接
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ST_VOID *canLinkAttrib[CAN_ATTRIB_LINK_MAX];
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//出现错误,重新打开的间隔
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ST_DOUBLE record_time_reopen;
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ST_DOUBLE space_reopen;
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//下面的变量用于设置串口属性
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int canNo;
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int baudrate;
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} CAN_ATTRIB;
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typedef struct
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{
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ST_UINT canID; //目的ID，即对方的ID
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ST_UINT recvCount; /**接收的帧数，累计*/
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/***由于缓冲比较大，是否多连接共用缓冲，收到数据立刻处理?? ***/
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ST_INT recvDataLen; /***接收到的数据长度**/
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ST_UCHAR recvDataBuf[CAN_RECVBUF_LEN]; /**接收到的数据缓冲**/
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CAN_ATTRIB *can_attrib;
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} CAN_LINK_ATTRIB;
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ST_RET can_attrib_init( CAN_ATTRIB *can_attrib );
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ST_RET can_attrib_release( CAN_ATTRIB *can_attrib );
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ST_RET can_attrib_set( CAN_ATTRIB *can_attrib, int canNo,int baudrate, unsigned int localCanID );
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ST_RET can_link_attrib_set( CAN_LINK_ATTRIB *can_link_attrib, int canID, CAN_ATTRIB *can_attrib );
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/**** 循环调用，读取数据 ****/
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ST_RET can_attrib_check( CAN_ATTRIB *can_attrib );
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ST_RET can_send(CAN_ATTRIB *can_attrib, ST_UCHAR *sendBuf, ST_INT sendLen, ST_INT sendCanId );
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ST_RET can_link_send(CAN_LINK_ATTRIB *can_link, ST_UCHAR *sendBuf, ST_INT sendLen );
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ST_RET can_bus_reset( CAN_LINK_ATTRIB *can_link_attrib );
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ST_RET can_bus_check_error( CAN_LINK_ATTRIB *can_link_attrib );
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ST_RET can_bus_reset_attrib( CAN_ATTRIB *can_attrib );
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/************************************************************************/
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#ifdef __cplusplus
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}
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#endif
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#endif
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