led.c

来自「FS7805 使用LED的demo FS7805 使用LED的demo」· C语言 代码 · 共 76 行

/*
*********************************************************************************************************
* File:     Main.C
* Contents:
*
* $Date:    04/06/06    Kimi    v0.1
*           01/05/07    kevin   v0.2
*           01/08/07    kevin   v0.3
*           01/29/07    kevin   v0.4
*           03/22/07    Jason   v0.5
*
* Copyright (c) 2007 Fameg, Inc. All rights reserved
*********************************************************************************************************
*/
#define ALLOCATE_EXTERN
#include "FS7805.h"
#include "FS7805Regs.h"

#define STANDARD

/*
**************************************************************************************
* 7-Segment LED显示                                                                     
* 
**************************************************************************************
*/
unsigned char  Disp[10] = {	0xC0,		// "0"    0～9的段码
					        0xF9,		// "1"
					        0xA4,		// "2"
						    0xB0,		// "3"
					        0x99,		// "4"
					        0x92,		// "5"
					        0x82,		// "6"
					        0xF8,		// "7"
					        0x80,		// "8"
					        0x90,		// "9"
					      };

void main(void)
{	
	unsigned int i, j; 

	SYS_CFG=0x0A;                      //00:15M,01:40M,02:30M,03:60M
	SYS_CFG=SYS_CFG|bmPM_AVBLE; 
	WDTRST=0x2D;                       //stop WDT
	MEMCON=0x08;                       //configure 8k xdata
	CKCON=0x03;
/* As standard 8051, PortX is input when E8051D need output"1". 
   PortX is output when E8051D need output"0".but in FS7805,we can set PortX always 
   in output or input with configure this two register :PDCTL, PXOE
*/
#ifndef STANDARD
    PDCTL = 0x02;	   //The direct of P1 is decide by P1OE register
    P1OE  = 0xFE;
#endif 
  
	while(1)
	{
		for(i=0; i<50; i++)
		{
			P1 = Disp[i/5];
			        
			P5 &= ~ bmBIT6 ;
			for (j=0; j<0x7ffe; j++); 
	        P5 |=   bmBIT6 ;
			for (j=0; j<0x7ffe; j++);  
	        P5 &= ~ bmBIT7 ;
			for (j=0; j<0x7ffe; j++); 
	        P5 |=   bmBIT7 ;
			for (j=0; j<0x7ffe; j++);
		}		
                                                                                                                                                          for (j=0; j<0x3ffe; j++);		
	} 
}