appmain.c

来自「在EPSON开发平台上实现键盘控制 并通过外部LED显示出来」· C语言 代码 · 共 112 行

#include "main.h"
#include "16timer.h"
#include "common.h"
#include "int.h"
#include "presc.h"

extern void vInitKey(void);
void vInitLED(void);
extern void init_ledtimer(void);
extern unsigned char gucKeyCode;



void main(void)
{
  
	vInitLED();
  init_ledtimer();
	vInitKey();
	*( volatile unsigned char * )0x402D1 |= 0x0f; //关闭LED
  
	while(1)
	{
    switch( gucKeyCode )
	 {
		 			case 29:
		 				
						*( volatile unsigned char * )0x402D1 &=~0x04; //light_led(1);						
						*(volatile unsigned char *)T16P_PRUN0_ADDR |= T16P_PRUN_RUN;//开启定时器						
	          *(volatile unsigned char *)INT_EP0_EK_ADDR &= ~0x10;		// 关闭键盘,确保键盘不会打断定时过程					
						gucKeyCode = NULL;		 				
		 				break;
		 				
		 			case 37:	
		 						
            *( volatile unsigned char * )0x402D1 &=~0x02;//light_led(2); 
		 				*(volatile unsigned char *)T16P_PRUN0_ADDR |= T16P_PRUN_RUN;//开启定时器						
						*(volatile unsigned char *)INT_EP0_EK_ADDR &= ~0x10;		// 关闭键盘,确保键盘不会打断定时过程
						gucKeyCode = NULL;
		 				break;
		 				
					case 28:	
							
		        *( volatile unsigned char * )0x402D1 &=~0x01;//light_led(3);	
						*(volatile unsigned char *)T16P_PRUN0_ADDR |= T16P_PRUN_RUN;//开启定时器						
						*(volatile unsigned char *)INT_EP0_EK_ADDR &= ~0x10;		// 关闭键盘,确保键盘不会打断定时过程
						gucKeyCode = NULL;
		 				break;
		 				
					case 35:	
							
						*( volatile unsigned char * )0x402D1 &=~0x08;//light_led(4);	        	
						*(volatile unsigned char *)T16P_PRUN0_ADDR |= T16P_PRUN_RUN;//开启定时器
						*(volatile unsigned char *)INT_EP0_EK_ADDR &= ~0x10;		// 关闭键盘,确保键盘不会打断定时过程
						gucKeyCode = NULL;
		 				break;
		 			
		 			default:
		 				gucKeyCode = NULL;
		 				break;
	 }
	 /*
	 if(gucKeyCode == 29)
	 	{
	 		*( volatile unsigned char * )0x402D1 &=~0x04; //light_led(1);						
			*(volatile unsigned char *)T16P_PRUN0_ADDR |= T16P_PRUN_RUN;//开启定时器						
	    *(volatile unsigned char *)INT_EP0_EK_ADDR &= ~0x10;		// 关闭键盘,确保键盘不会打断定时过程
	 	}
	 	else if(gucKeyCode == 37)
	 		{
	 			*( volatile unsigned char * )0x402D1 &=~0x02;//light_led(2); 
		 		*(volatile unsigned char *)T16P_PRUN0_ADDR |= T16P_PRUN_RUN;//开启定时器						
			  *(volatile unsigned char *)INT_EP0_EK_ADDR &= ~0x10;		// 关闭键盘,确保键盘不会打断定时过程
	 		}
	 		else if(gucKeyCode == 28)
	 			{
	 			 *( volatile unsigned char * )0x402D1 &=~0x01;//light_led(3);	
				 *(volatile unsigned char *)T16P_PRUN0_ADDR |= T16P_PRUN_RUN;//开启定时器						
				 *(volatile unsigned char *)INT_EP0_EK_ADDR &= ~0x10;		// 关闭键盘,确保键盘不会打断定时过程	
	 			}
        else if(gucKeyCode == 35)
        	{
        		*( volatile unsigned char * )0x402D1 &=~0x08;//light_led(4);	        	
						*(volatile unsigned char *)T16P_PRUN0_ADDR |= T16P_PRUN_RUN;//开启定时器
						*(volatile unsigned char *)INT_EP0_EK_ADDR &= ~0x10;		// 关闭键盘,确保键盘不会打断定时过程
        	}
        	else
        		gucKeyCode = NULL;
        		*/
	}
     
}

void vInitLED( void )
{
	*( volatile unsigned char * )0x402D0 &= 0x0F0; 
	*( volatile unsigned char * )0x402D2 |= 0x0F;
	*( volatile unsigned char * )0x402D1 &= ~0x0F;
}




/*
void delay()
{
	int i,j;
	for (i = 0;i<20000;i++)
		j += (i >1000)?i/2 *3 +10: i;
}

*/