Dspic33ep256mc502中的ECAN接收问题

#define NUM_OF_ECAN_BUFFERS 32unsignedintecan1MsgBuf[NUM_OF_ECAN_BUFFERS][8]_.((aligned(NUM_OF_ECAN_BUFFERS*16)))、void EcanRxInit(){C1CTRL1bits.REQOP=4;//set in configuration mode(C1CTRL1bits.OPMODE!4；EcanClkInit()；C1FCTRLbits.DMABS=3；DMABS=3；//12FiFO C1FCTRL比特.FSA=3；//12FiFO中FiFOC1FCTRLC1FCTRLTTCTRL比特=3；//FiFo计数从第三缓冲区//C1FCFCFCTRL=0FSA=3；//FiFo计数从第三缓冲区//C1FCFCTRL=0FFFFFFFFFFF计数，32缓冲区Dma1RXInit()//32缓冲区Dma32缓冲区Dma1RXInit()；；C1CTRLLLL1比特1C1CTRLL1比特1比特.WIN=1=1.WIN=1；；；；；F0MSK=0x0;/*C配置接受过滤器掩码0寄存器以掩码SID<2:0>*掩码位(11位)：0b1111111 1111*/C1RXM0SIDbits.SID=0b11111111111；//C1RXM1SIDbits.SID=0b11111111111；/*配置接受过滤器0以匹配标准标识符-Filter位(11位)：0b011010xxxSeD范围0x1D0~0x1D7的消息将被ECAN模块接受。*/C1RXF0SIDbits.SID=0b00000000000；/*Acceptance Filter 0检查标准标识符*/C1RXM0SIDbits.MIDE=0x1；C1RXF0SIDbits.EXIDE=0x0；g消息*/C1FEN1bits.FLTEN0=0x1；/*访问ECAN控制寄存器的清除窗口位*/C1CTRL1bit.WIN=0x0；C1TR23CONbits.TXEN2=0；C1TR23CONbits.TX2PRI=0b11；/*将ECAN模块置于正常模式。*/C1CTRL1BIT.ReQOP＝0；而（C1CTRL1BITS）OPMODE！(0)；}无效EcanClkInit()}无效EcanClkInit(){C1CTRL1位.CANCKS=0x0；C1CFCFCFG1位C1CFCFG1位C1CFG1C1CFG1位SJJW=0x3；SJJW=0x3；//同步seg seg=1tqC1CFG1C1CFG1位1tq=1tqC1CFG1G1C1CFG1位1tq=1tq，BRP=BRP=BRP_VAL；C1CFCFCFCFCFG2G2G2G2G2=BRP=BRP=BRP_BRP_BRP_VAL；C1CFG2G2G2G2G2G2G2G2G2=BRCFCFG2=BRCFG2=BRCFP=BRP_CFP G2bits.PRSEG=0x4；//proseg=3tq C1CFG2bits.SAM1; //总线线路在采样点//C1CFG2位采样3次，采样3次，采样3次，采样3次，采样点为//C1CFG2G2位。WAKFIL=1;}WAKFIL=1}void_u vo_u.u.u.u.(u中断_(u中断_(u中断_(u中断_(u中断(u截止_u中断_u auto_u auto_psv))DMA1中断(无效{{{{{如果(IFS0比特(IFS0bits.DMA1bits.DMA1bits.DMA1IF1IF位s.DMA1IF1IFprintf("%c)，ecan1MsgBuf[2][3]&0xFF); printf("%c",(ecan1MsgBuf[2][4]&0xFF00) >> 8); printf("%c",ecan1MsgBuf[2][4]&0xFF); printf("%c",(ecan1MsgBuf[2][5]&0xFF00) >> 8); printf("%c",ecan1MsgBuf[2][5]&0xFF); printf("%c",(ecan1MsgBuf[2][6]&0xFF00) >> 8); printf("%c",ecan1MsgBuf[2][6]&0xFF)C1RXFUL1bits.RXFUL2=0;printf("nr");}IFS0bits.DMA1IF=0;}我已经如上所述进行了ecan接收。接收缓冲区将在我的接收节点的Tx管脚被拔出并重新连接时获得数据。我已经结束了我的巴士使用120欧姆电阻在两侧。我应该怎么做继续接待……？