main.c

周立功的EASYARM2131的测试程序

/****************************************Copyright (c)**************************************************
**                               Guangzou ZLG-MCU Development Co.,LTD.
**                                      graduate school
**                                 http://www.zlgmcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File name:			main.c
** Last modified Date:  2004-09-16
** Last Version:		1.0
** Descriptions:		The main() function example template
**
**------------------------------------------------------------------------------------------------------
** Created by:			Chenmingji
** Created date:		2004-09-16
** Version:				1.0
** Descriptions:		The original version
**
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Descriptions:
**
********************************************************************************************************/
#include "config.h"
#define UART_BPS  115200

void Delay(uint32 dly)
{
 uint32 i;
 for(; dly > 0 ; dly--)
 	for(i=0;i<50000;i++) ;
}

void UART0_Init()
{
 uint16 Fdiv;
 U0LCR = 0x83;
 Fdiv = (Fpclk / 16) / UART_BPS;
 U0DLM = Fdiv / 256;
 U0DLL = Fdiv % 256;
 U0LCR = 0x03;
}

uint8 UART0_GetByte()
{
 uint8 rec_da;
 while((U0LSR & 0x01)==0);
 rec_da = U0RBR;
 return(rec_da);
}

void UART0_GetStr(uint8 *s,uint32 n)
{
 for(; n > 0 ; n--)
 {
  *s++ = UART0_GetByte();
 }
}

void UART0_SendByte(uint8 send_da)
{
 U0THR = send_da;
 while((U0LSR & 0x40)==0);
}

void UART0_SendStr(uint8 const *s)
{
 while(1)
 {
  if(*s != '\0')
    UART0_SendByte(*s++);
  else
    break;
 }
}

int main (void)
{// add user source code 
  
    uint8 send[32]={'\0'};
    uint8 temp;
    PINSEL0 = 0x00000005 ;
    UART0_Init();
    while(1)
    {
    temp = U0RBR;
    temp = U0THR;
    UART0_GetStr(send , 2);
    Delay(10);
    UART0_SendStr(send);
    Delay(10);
    }
    return 0;
}
/*********************************************************************************************************
**                            End Of File
********************************************************************************************************/