uart_test.c

基于ARM9芯片的一个简单的GPRS测试程序

/*********************************************************************************************
* File：	uart_test.c
* Author:	embest	
* Desc：	uart test
* History:	
*			H.T.Zhang, Programming start, September 12, 2005
*********************************************************************************************/
#include "2410lib.h"
#include "lcd.h"
#include "def.h"
#include "demo.h"

int f_nUartSelect;

extern void lcd_disp_ascii8x16(UINT16T, UINT16T, UINT8T, UINT8T *);
/*********************************************************************************************
* name:		uart_test
* func:		uart test function
* para:		none
* ret:		none
* modify:
* comment:		
*********************************************************************************************/
void uart_test()
{

	char szcInput[30];
	char szcTestStr[30]="UART OK";
	int i;
		
	lcd_disp_str16(40,60,BLUE,"Please connect UART0 and UART1 with cross cable.");		
		
	if(rUTRSTAT1 & 0x1)    // Check if Receive data ready
		i = rURXH1;
		
	f_nKeyPress = 0;
   	while(!f_nKeyPress)// any key to exit.
	{
		for(i=0;i<strlen(szcTestStr);i++)
		{
			uart_select(0);
			uart_sendbyte(szcTestStr[i]);
			delay(10);
			uart_select(1);
			szcInput[i] = uart_getkey();
		}
		szcInput[i] ='\0';

		if(!strcmp(szcInput,szcTestStr))
		{
			lcd_disp_ascii8x16(40,140,RED,szcInput);		
			lcd_disp_ascii8x16(40,160,BLUE,"end."); 
			break;
		}
	}
	f_nKeyPress = 0;
	while(!f_nKeyPress);// any key to exit.
}