uart_print.c

来自「基于东南大学开发的SEP3203的ARM7中的所有驱动」· C语言 代码 · 共 33 行

#include "stdio.h"


#include "hardware.h"
#include "hardware_reg.h"
#include "HA_typedef.h"
#include <kernel\itron.h>
#include "uartdrv.h"
 
ER prints(ID devid, char *s)
{
    int i;
   
    int base;
    
    base = (devid == UART0_ID) ? 0X10004000 : 0X10005000;
   
    while(*s != '\0')
    {
        {
           *(RP)UART_THR(base) = *s++;
        }
     
        for(i=0; i<5000 ; i++) ;
    }

    *(RP)UART_THR(base) = '\n';
   
    
    return E_OK;
    
}