f2812_sci.c

来自「TMS320F2812串行口通信程序－采用循环缓冲区方式」· C语言 代码 · 共 41 行

#include "F2812_SCI.h"


void SCIAInit(void)
{

 	SciaRegs.SCICCR.all=7;
	SciaRegs.SCICTL1.all=0x0003;
	SciaRegs.SCIHBAUD=0x0001;
	SciaRegs.SCILBAUD=0x00e7;
	SciaRegs.SCICTL2.all=0x0003;
	SciaRegs.SCICTL1.all=0x0023;
}

void SCIBInit(void)
{
 	ScibRegs.SCICCR.bit.STOPBITS=0;
 	ScibRegs.SCICCR.bit.PARITY=0;
 	ScibRegs.SCICCR.bit.PARITYENA=0;
 	ScibRegs.SCICCR.bit.LOOPBKENA=0;
 	ScibRegs.SCICCR.bit.ADDRIDLE_MODE=0;
 	ScibRegs.SCICCR.bit.SCICHAR=7;
	ScibRegs.SCICTL1.bit.RXERRINTENA=1;
	ScibRegs.SCICTL1.bit.SWRESET=1;
	ScibRegs.SCICTL1.bit.SLEEP=0;
	ScibRegs.SCICTL1.bit.TXENA=1;
	ScibRegs.SCICTL1.bit.RXENA=1;
//	ScibRegs.SCIHBAUD=7;//116300bps键盘地波特率
//	ScibRegs.SCILBAUD=0xa0;
	ScibRegs.SCIHBAUD=0x0C;    //波特率4800
	ScibRegs.SCILBAUD=0xcf;
	ScibRegs.SCICTL2.bit.RXBKINTENA=1;
	ScibRegs.SCICTL2.bit.TXINTENA=1;

	// Initialize SCI-B:

	//tbd...
}