uarttest.c

NXP ARM处理器uart程序（环境Keil）

/*****************************************************************************
 *   uarttest.c:  main C entry file for NXP LPC23xx Family Microprocessors
 *
 *   Copyright(C) 2006, NXP Semiconductor
 *   All rights reserved.
 *
 *   History
 *   2006.07.13  ver 1.00    Prelimnary version, first Release
 *
******************************************************************************/
#include "LPC230x.h"                        /* LPC21xx definitions */
#include "type.h"
#include "irq.h"
#include "uart.h"
#include "target.h"
#include "stdio.h"

extern volatile DWORD UART0Count;
extern volatile BYTE UART0Buffer[BUFSIZE];

char test[30]= "abcdefghijksldjflsdkf"	;
/*****************************************************************************
**   Main Function  main()
*****************************************************************************/
int main (void)
{  
    
	
    
	TargetResetInit();
    UARTInit(115200);	/* baud rate setting */

    while (1) 								
    {				/* Loop forever */
	if ( UART0Count != 0 )					  //此程序在串口0，一有按键时，输出以下数字
	{
	    U0IER = IER_THRE | IER_RLS;			/* Disable RBR */
	   // UARTSend( (BYTE *)UART0Buffer, UART0Count );
	   // UARTSend( (BYTE *)test,10 );
	     sprintf(test, "%d", 123);	           //显示10进制
		 UARTSend( (BYTE *)test,3 );
		 UARTSend("\n",1);
		 sprintf(test, "%f", 3.1415);	   //显示浮点数
		 UARTSend( (BYTE *)test,6);                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
                                                                                                                                    
		  UARTSend("\n",1);
		  sprintf(test, "OX%x", 0x12345678);			   //显示16进制度
		  UARTSend("\n",1);
		  UARTSend( (BYTE *)test,10 );
		  UARTSend("\n",1);

	    UART0Count = 0;
	    U0IER = IER_THRE | IER_RLS | IER_RBR;	/* Re-enable RBR */
	}
    }
 

}


/*****************************************************************************
**                            End Of File
*****************************************************************************/