main.c

基于飞利浦公司ARM7处理器

/****************************************Copyright (c)**************************************************
**                               Guangzou ZLG-MCU Development Co.,LTD.
**                                      graduate school
**                                 http://www.zlgmcu.com

**
********************************************************************************************************/
#include "LPC2294.h"

extern unsigned char Tx_ok2;
extern unsigned char Tx_ok3;
extern unsigned char Rx_ok2;
extern unsigned char Rx_ok3;
extern unsigned char Rx_reg2;
extern unsigned char Rx_reg3;

extern void CPU_Init(void);
extern void UART2_Tx(unsigned char Tdat);
extern void UART3_Tx(unsigned char Tdat);

unsigned short rxptr2;
unsigned short rxptr3;
unsigned char Rxbuf2[32];	// soft UART2 buffer
unsigned char Rxbuf3[32];	// soft UART3 buffer

/*
*********************************************************************************************************
** 函数名称 ：main()
** 函数功能 ：
** 调试说明 ：
*********************************************************************************************************
*/
int main (void)
{
	unsigned short i=0,j=0;
	
	CPU_Init();
	
	Tx_ok2 = 1;
	Tx_ok3 = 1;
	rxptr2 = 0;
	rxptr3 = 0;
	
//	U0THR = 0x55;
//	U0THR = 0xAA;
	
	while (1)
	{
		if(Rx_ok2 == 1)
		{
			Rx_ok2 = 0;
			Rxbuf2[rxptr2++] = Rx_reg2;
			rxptr2 &= 31;
			UART2_Tx(Rx_reg2);
		}
		
		if(Tx_ok2 == 1)
		{
			if(j < 8)
			{
				UART2_Tx(j+5);
				j ++;
			}
		}
		
		if(Rx_ok3 == 1)
		{
			Rx_ok3 = 0;
			Rxbuf3[rxptr3++] = Rx_reg3;
			rxptr3 &= 31;
			UART3_Tx(Rx_reg3);
	  	}
		
		if(Tx_ok3 == 1)
		{
			if(i < 8)
			{
				UART3_Tx(i+5);
				i ++;
			}
		}
	}
	
	return 0;
}
/*********************************************************************************************************
**                            End Of File
********************************************************************************************************/