[求助]GZ16的发送状态控制请教 状态, 请教, 求助

cxj16888

设置好ID和数据后启动发送位TXE0＝1；后此位自动变为0等待变为1就是发送成功；但却一直为0，请教还需要注意什么？这种操作对吗？  

谢谢！ 

yunfeng

void CAN_Init(void)
{
/* CMCR0: ??=0,??=0,??=0,SYNCH=0,TLNKEN=0,SLPAK=0,SLPRQ=0,SFTRES=1 */
CMCR0 = 1; /* CAN reset */
/* CMCR1: ??=0,??=0,??=0,??=0,??=0,LOOPB=0,WUPM=0,CLKSRC=0 */
CMCR1 = 0; //ʱÖÓԴΪÍⲿ¾§Õñ/2 = 2Mhz

CIDAC_IDAM = 0; //32λ½ÓÊÕ¹ýÂËÆ÷
CIDAR = 0x00000000; //Set the acceptance code
CIDMR = 0xFFFFFFFF; //Set the acceptance mask

CBTR0 = 0x43;
CBTR1 = 0xA3; //²¨ÌØÂÊΪ62.5K

CMCR0 = 0x00; //°ÑCANÄ£¿éÉèÖÃΪÊý¾ÝÊäÈëÊä³ö״̬
CRIER = 0xFF; //CAN½ÓÊÕÖжÏʹÄÜ
}

yunfeng

void CAN_SendFrame(byte BufferNum,dword MessageID,byte FrameType,byte Length,byte * Data)
{
byte i; //ÁÙʱ±äÁ¿
byte bufmask=((word)1< //装载ID,Length,Data
.......

CTFLG = bufmask; //启动发送
}