inituart.c

来自「一个小的嵌入式os」· C语言 代码 · 共 26 行

//=============================================
//filename	:initUart
//description	:Init the Uart port
//author		:kaka,[e-mail]
//=============================================
#include "44b0x.h"
#include "Defines.h"


void InitUart()
{													//正常模式，8数据1停止无奇偶校验
    ULCON0 = ((0<<6)+(0<<3)+(0<<2)+3);                  		// Normal,No parity,1 stop,8 bit.
    UCON0  = 0x05;										//((0<<9)+(0<<8)+(0<<7)+(0<<6)+(0<<5)+(0<<4)+(1<<2)+0);
    UFCON0 = ((0<<6)+(0<<4)+(0<<2)+(0<<1)+0); 		//UFCON0 = ((0<<6)+(0<<4)+(0<<2)+(0<<1)+1);
    UMCON0 = ((0<<4) + 0);
    UBRDIV0= ((int)(Fclk / (16 * Baud)+0.5) - 1); 			
}

void InitUart1()
{
    ULCON1 = ((0<<6)+(0<<3)+(0<<2)+3);                  // Normal,No parity,1 stop,8 bit.
    UCON1  = 0x05;									//0x245;//((0<<9)+(0<<8)+(0<<7)+(0<<6)+(0<<5)+(0<<4)+(1<<2)+0);
    UFCON1 = ((0<<6)+(0<<4)+(0<<2)+(0<<1)+0);//UFCON0 = ((0<<6)+(0<<4)+(0<<2)+(0<<1)+1);
    UMCON1 = ((0<<4) + 0);
    UBRDIV1= 	((int)(Fclk / (16 * Baud)+0.5) - 1); 							//0x20;//((int)(Fclk / (16 * Baud)+0.5) - 1); 115200
}