8led.c

Embest EudKit-II教学系统配Samsung S3C44B0处理器的部分测试程序。

/*********************************************************************************************
* File：	8led.c
* Author:	embest	
* Desc：	8-segment digit LED control functions
* History:	
*********************************************************************************************/
#include "44b.h"
#include "44blib.h"
#include "def.h"
#include "iic.h"

/*------------------------------------------------------------------------------------------*/
/*	 								global variables						 				    */
/*------------------------------------------------------------------------------------------*/
unsigned char f_szDigital[10] ={0xFC,0x60,0xDA,0xF2,0x66,0xB6,0xBE,0xE0,0xFE,0xF6};	// 0 ~ 9		

/*------------------------------------------------------------------------------------------*/
/*	 								function declare						 				    */
/*------------------------------------------------------------------------------------------*/
void led8_test(void);

/*********************************************************************************************
* name:		led8_test
* func:		test 8led
* para:		none
* ret:		none
* modify:
* comment:		
********************************************************************************************/
void led8_test(void)
{
	int i, j, k;
	
	iic_init();
	
	for(;;)
	{
		for(j=0; j<10; j++)
		{
			for(i=0; i<8; i++)
			{
				k = 9-(i+j)%10;
				iic_write(0x70, 0x10+i, f_szDigital[k]);
			}
			delay(1000);
		}
	}
}