求780K/LF3 UART通讯程序
我用的单片机是78F0485,串口UART6 ,帮忙看看程序那里不对,内部振荡器8M,波特率9600 void init ( ){
PF1 = 0x00;/*init led*/
PM1.0 = 0;
PM1.1 = 0;
PU1.0 = 1;
PU1.1 = 1;
PM11.3 = 1; /*init uart6*/
PM11.2 = 0;
P11.2 = 1;
/* ASIM6.7 = 0;
ASIM6.5 = 0;
ASIM6.6 = 0;*/
CKSR6 = 0x05;
BRGC6 = 0x1A;
ASIM6 = 0x04;
ASICL6.1 = 1;
ASICL6.0 = 0;
ISC = 0x80;
}
void main( void )
{
init ( );
ASIM6.7 = 1;
ASIM6.6 = 1;
buf_t = 0x22;
while ( 1 )
{
TXB6 = buf_t;
/* delay10ms( 200 );*/
P1.1= !P1.1;
P1.0= 0;
}
}
需不需要判断中断? CKSR6 = 0x06;//10MHZ下156.25k
BRGC6 = 0x41;//65分频,波特率=156.25K/65/2
ASICL6 |= 0x02;//LSB在前
ASICL6 &= ~(1<<0);//TXD正向
ISC |= 0x03;//选择为USART6
ASIM6 = 0xFC;//1停止位 偶校验 8位数据接收错误产生INTSRE6中断
PM1 &= ~(1<<3);//PM13 = 0
P1|= (1<<3);
PM1 |= (1<<4);//PM14 = 1
P1|= (1<<4);
STMK6 = 0;
SRMK6 = 0;//开启串口接收,发送中断
这是我在用USRT6的时候初始化程序,可以用的。 谢谢问题已经解决,就是现在只收的到第一个字符,还在修改中
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