leddriver.h

通过AD5258和单片机控制的LED驱动程序

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#include "AT89X51.H"   
#include "SystemDef.h"

//variables	 declear
//Test 管脚
sbit TEST_TP0 = P2^0;
sbit TEST_TP1 = P2^1;

//I2C 变量
uchar uaddr_index;
uchar I2C_val[ADDR_NUM];

//跳线器
sbit  JUMP0 = P1^0;
sbit  JUMP1 = P1^1;
sbit  JUMP2 = P1^2;
sbit  JUMPALL = P1^3;

//指示灯
sbit CONNECT_LED = P1^4;

//RS232的控制管脚
sbit MAX3221_EN	= P3^2;
sbit MAX3221_FORCE_ON	= P3^3;
sbit MAX3221_FORCE_OFF	= P3^4;

//灯的按钮
sbit LIGHT_UP	= P0^6;
sbit LIGHT_DOWN	= P0^7;

//灯的变量
uchar light_flag_up;
uchar light_flag_down;
bit bSendBack;

//串口的变量
uchar uart_val;
uchar time_count;
bit   time_flag;

//timer
uchar led_count;
bit   led_flag;
//functions declear
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void InitParams(void);			//初始化系统参数
//dog
void EnableDog(void);			//使能看门狗
void KickDog(void);	  			//踢看门狗
//timer
void InitTimer0(void);			//初始化定时器0
//Uart
void InitUart(void);			//初始化串口
void SendByteUart(uchar val);	//发送数据到串口