新手求救——mc9s12dg128—sci模块基础资料
 
- UID
- 789415
- 性别
- 男
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1# yilton
//-----------串口初始化函数--------
void chuankou_init(void) //串口初始化函数
{
SendReceCtr_0 = 1;
SendReceCtr_1 = 1;
SCI0CR2 = 0x2c; //RIE=1,TE=1,RE=1 接收中断使能,接收使能,发送使能
SCI0CR1 = 0;
SCI0BD = 32000000/16/SCI_BAUD; //波特率
SCI1CR2 = 0x2c; //RIE=1,TE=1,RE=1 接收中断使能,接收使能,发送使能
SCI1BD = 32000000/16/SCI_BAUD ;//波特率
}
//-----------串口0发送函数--------
void chuankoufasong_0(byte data)
{
SendReceCtr_0 = 0; //串口发送状态
while(!(SCI0SR1&0x40))
;
SCI0DRH = 0;
SCI0DRL = data;
while(!(SCI0SR1&0x40))
;
SendReceCtr_0 = 1; //串口接收状态
} |
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