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求教18F6680 CAN 的问题
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新會員
 
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請問各位高手:
我用18F6680 ,8MHZ晶振,500kbps 用了ECAN.H的头文件,为什么不能工作,ECAN.def设置如下: // SJW value - Value must be between 1-4 inclusive. #define ECAN_SJW_VAL 2 // // BRP value - Value must be between 1-64 inclusive. #define ECAN_BRP_VAL 1 // // PHSEG1 value - Value must be between 1-8 inclusive. #define ECAN_PHSEG1_VAL 3 // // PHSEG2 value - Value must be between 1-8 inclusive. #define ECAN_PHSEG2_VAL 2 // // PROPSEG value - Value must be between 1-8 inclusive. #define ECAN_PROPSEG_VAL 2 ECANInitialize(); while( !ECANSendMessage(0x300, MessageData, 8,ECAN_TX_STD_FRAME) ); 为什么用了上面一句后程序就死循环了,为什么永远发不结束. 自查了一下，发现好像是由于BusOff 了，就是COMSTAT_TXB0总为 “ 1”，请教这是由什么造成的，我只进行了初始化呀？？ 
發表於: 2006/3/17 0:28
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