单片机红外遥控定时0.5-10小时源程序 -

/************* 用户系统配置 **************/
#define MAIN_Fosc 12000000L //定义主时钟, 模拟串口和红外接收会自动适应。5~36MHZ
#define D_TIMER0 125 //选择定时器时间, us, 红外接收要求在60us~250us之间
#define User_code 0xFD02 //定义红外接收用户码
/************* 以下宏定义用户请勿修改 **************/
#include "reg51.H"
#define uchar unsigned char
#define uint unsigned int
#define freq_base (MAIN_Fosc / 1200)
#define Timer0_Reload (65536 - (D_TIMER0 * freq_base / 10000))
sfr AUXR = 0x8e;
sfr IE2 = 0xAF;
sfr T2H = 0xD6;
sfr T2L = 0xD7;
/************* 本地常量声明 **************/
/************* 本地变量声明 **************/
sbit P_IR_RX = P3^2; //定义红外接收输入端口
sbit LED1 = P3^0;
sbit LED2 = P3^1;
sbit LED3 = P3^3;
sbit LED4 = P3^4; //定义提示灯输出端口
sbit L2 = P3^5; //定义继电器输出端口
bit P_IR_RX_temp; //Last sample
bit B_IR_Sync; //已收到同步标志
uchar IR_SampleCnt; //采样计数
uchar IR_BitCnt; //编码位数
uchar IR_UserH; //用户码(地址)高字节
uchar IR_UserL; //用户码(地址)低字节
uchar IR_data; //数据原码
uchar IR_DataShit; //数据反码
uchar IR_BUF[2];
bit B_IrUserErr; //User code error flag
bit B_IR_Press; //Key press flag,include repeat key.
uchar IR_code; //IR code 红外键码
bit FLAG = 0; //计数完成标志位
uint count; //计数变量1
uint count2; //计数变量2
uint count3; //计数变量3
/************* 本地函数声明 **************/
uchar HEX2ASCII(uchar dat);
void InitTimer(void);
void Timer2Init(void);
/************* 外部函数和变量声明 *****************/
/********************* 主函数 *************************/
void main(void)
{
L2 = 1;
LED1 = 1;
LED2 = 1;
LED3 = 1; //端口初始化
InitTimer(); //初始化Timer0
Timer2Init(); //初始化Timer2
while(1)
{
if(B_IR_Press) //有IR键按下
{
B_IR_Press = 0; //清除IR键按下标志
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='8')L2=~L2; //如果按键码是18，启动继电器
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='A') //如果按键码是0A，启动继电器，并开始计时，0.5小时后关闭继电器
{
L2 = 0;
LED1 = 1;LED2 = 1;LED3 = 1;LED4 = 1; //打开红灯
count = 0;
count2 = 30; //30
count3 = 11; //定时0.5小时
IE2 |= 0x04; //启动定时器2
} if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='7') //如果按键码是17，启动继电器，并开始计时，1小时后关闭继电器
{
L2 = 0;
LED1 = 0;LED2 = 1;LED3 = 1;LED4 = 1; //打开红灯
count = 0;
count2 = 0;
count3 = 11; //定时1小时
IE2 |= 0x04; //启动定时器2
}
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='6') //如果按键码是16，启动继电器，并开始计时，2小时后关闭继电器
{
L2 = 0;
LED1 = 1;LED2 = 0;LED3 = 1;LED4 = 1; //打开红灯和黄灯
count = 0;
count2 = 0;
count3 = 10; //定时2小时
IE2 |= 0x04; //启动定时器2
}
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='5') //如果按键码是15，启动继电器，并开始计时，3小时后关闭继电器
{
L2 = 0;
LED1 = 1;LED2 = 1;LED3 = 0;LED4 = 1; //打开红灯和黄灯
count = 0;
count2 = 0;
count3 = 9; //定时3小时
IE2 |= 0x04; //启动定时器2
}
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='4') //如果按键码是14，启动继电器，并开始计时，4小时后关闭继电器
{
L2 = 0;
LED1 = 1;LED2 = 1;LED3 = 1;LED4 = 0; //打开红灯和黄灯
count = 0;
count2 = 0;
count3 = 8; //定时4小时
IE2 |= 0x04; //启动定时器2
}
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='3') //如果按键码是13，启动继电器，并开始计时，5小时后关闭继电器
{
L2 = 0;
LED1 = 0;LED2 = 1;LED3 = 1;LED4 = 0; //打开红灯和黄灯
count = 0;
count2 = 0;
count3 = 7; //定时5小时
IE2 |= 0x04; //启动定时器2
}
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='2') //如果按键码是12，启动继电器，并开始计时，6小时后关闭继电器
{
L2 = 0;
LED1 = 1;LED2 = 0;LED3 = 1;LED4 = 0; //打开红灯和黄灯
count = 0;
count2 = 0;
count3 = 6; //定时6小时
IE2 |= 0x04; //启动定时器2
}
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='1') //如果按键码是11，启动继电器，并开始计时，7小时后关闭继电器
{
L2 = 0;
LED1 = 1;LED2 = 1;LED3 = 0;LED4 = 0; //打开红灯和黄灯
count = 0;
count2 = 0;
count3 = 5; //定时7小时
IE2 |= 0x04; //启动定时器2
}
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='0') //如果按键码是10，启动继电器，并开始计时，8小时后关闭继电器
{
L2 = 0;
LED1 = 0;LED2 = 1;LED3 = 0;LED4 = 0; //打开红灯和黄灯
count = 0;
count2 = 0;
count3 = 4; //定时8小时
IE2 |= 0x04; //启动定时器2
}
if((HEX2ASCII(IR_code >> 4))=='0'&&HEX2ASCII(IR_code)=='F') //如果按键码是0F，启动继电器，并开始计时，9小时后关闭继电器
{
L2 = 0;
LED1 = 1;LED2 = 0;LED3 = 0;LED4 = 0; //打开红灯和黄灯
count = 0;
count2 = 0;
count3 = 3; //定时9小时
IE2 |= 0x04; //启动定时器2
}
if((HEX2ASCII(IR_code >> 4))=='0'&&HEX2ASCII(IR_code)=='E') //如果按键码是0E，启动继电器，并开始计时，10小时后关闭继电器
{
L2 = 0;
LED1 = 0;LED2 = 0;LED3 = 0;LED4 = 0; //打开红灯、黄灯、绿灯
count = 0;
count2 = 0;
count3 = 2; //定时10小时
IE2 |= 0x04; //启动定时器2
if(count3==1)LED3 = 1; //如果一小时到，关闭绿灯
if(count2==30&&count3==1)LED2 = 1; //如果一个半小时到，关闭黄灯
}
}
if(FLAG == 1) //定时计数时间到标志
{
FLAG = 0; //标志清0
IE2 &= ~(1<<2); //关闭定时器2
}
if(count2==30)LED2 = 1; //如果半小时到，关闭黄灯
if(count2==30&&count3==1)LED2 = 1; //如果一个半小时到，关闭黄灯
if(L2==1)
{
LED1 = 1;
LED2 = 1;
LED3 = 1;
LED4 = 1; //继电器关掉，灯也关掉
}
}
}
/********************* 十六进制转ASCII函数 *************************/
uchar HEX2ASCII(uchar dat)
{
dat &= 0x0f;
if(dat <= 9) return (dat + '0'); //数字0~9
return (dat - 10 + 'A'); //字母A~F
}
/******************** 红外采样时间宏定义, 用户不要随意修改 *******************/
#if ((D_TIMER0 <= 250) && (D_TIMER0 >= 60))
#define D_IR_sample D_TIMER0 //定义采样时间，在60us~250us之间
#endif
#define D_IR_SYNC_MAX (15000/D_IR_sample) //SYNC max time
#define D_IR_SYNC_MIN (9700 /D_IR_sample) //SYNC min time
#define D_IR_SYNC_DIVIDE (12375/D_IR_sample) //decide data 0 or 1
#define D_IR_DATA_MAX (3000 /D_IR_sample) //data max time
#define D_IR_DATA_MIN (600 /D_IR_sample) //data min time
#define D_IR_DATA_DIVIDE (1687 /D_IR_sample) //decide data 0 or 1
#define D_IR_BIT_NUMBER 32 //bit number
//*******************************************************************************************
//**************************** IR RECEIVE MODULE ********************************************
void IR_RX_HT6121(void)
{
uchar SampleTime;
IR_SampleCnt++; //Sample + 1
F0 = P_IR_RX_temp; //Save Last sample status
P_IR_RX_temp = P_IR_RX; //Read current status
if(F0 && !P_IR_RX_temp) //Last sample is high，and current sample is low, so is fall edge
{
SampleTime = IR_SampleCnt; //get the sample time
IR_SampleCnt = 0; //Clear the sample counter
if(SampleTime > D_IR_SYNC_MAX) B_IR_Sync = 0; //large the Maxim SYNC time, then error
else if(SampleTime >= D_IR_SYNC_MIN) //SYNC
{
if(SampleTime >= D_IR_SYNC_DIVIDE)
{
B_IR_Sync = 1; //has received SYNC
IR_BitCnt = D_IR_BIT_NUMBER; //Load bit number
}
}
else if(B_IR_Sync) //has received SYNC
{
if(SampleTime > D_IR_DATA_MAX) B_IR_Sync=0; //data samlpe time to large
else
{
IR_DataShit >>= 1; //data shift right 1 bit
if(SampleTime >= D_IR_DATA_DIVIDE) IR_DataShit |= 0x80; //devide data 0 or 1
if(--IR_BitCnt == 0) //bit number is over?
{
B_IR_Sync = 0; //Clear SYNC
if(~IR_DataShit == IR_data) //判断数据正反码
{
if((IR_UserH == (User_code / 256)) &&
IR_UserL == (User_code % 256))
B_IrUserErr = 0; //User code is righe
else B_IrUserErr = 1; //user code is wrong
IR_code = IR_data;
B_IR_Press = 1; //数据有效
}
}
else if((IR_BitCnt & 7)== 0) //one byte receive
{
IR_UserL = IR_UserH; //Save the User code high byte
IR_UserH = IR_data; //Save the User code low byte
IR_data = IR_DataShit; //Save the IR data byte
}
}
}
}
}
/**************** Timer初始化函数 ******************************/
void InitTimer(void)
{
TMOD = 0; //for STC15Fxxx系列 Timer0 as 16bit reload timer.
TH0 = Timer0_Reload / 256;
TL0 = Timer0_Reload % 256;
ET0 = 1;
TR0 = 1;
EA = 1;
}
/**************** Timer2初始化函数 ******************************/
void Timer2Init(void) //50毫秒@11.0592MHz
{
AUXR &= 0xFB; //定时器12T模式
T2L = 0x00;
T2H = 0x4C; //设置定时器初值
IE2 &= ~(1<<2); //关闭定时器2产生中断
AUXR |= 0x10; //定时2开始计时
EA = 1; //开总中断
}
/********************** Timer0中断函数************************/
void timer0 (void) interrupt 1
{
IR_RX_HT6121();
}
/********************** Timer2中断函数************************/
void Timer2()interrupt 12 using 1
{
T2L = 0x00;
T2H = 0x4C; //50MS
count++;
if(count==1200) //60S 1200
{
count=0;
count2++;
if(count2==60) //60分钟 60
{
count2=0;
count3++;
if(count3==12)//2小时 2
{
count3=0;
LED1 = 1;
LED2 = 1;
LED3 = 1;
LED4 = 1; //关闭提示灯
L2 = ~L2; //关闭继电器
FLAG = 1; //计数时间到标志
}
}
}
}

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