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/************* 用戶系統配置 **************/
#define MAIN_Fosc 12000000L //定義主時鐘, 模擬串口和紅外接收會自動適應。5~36MHZ
#define D_TIMER0 125 //選擇定時器時間, us, 紅外接收要求在60us~250us之間
#define User_code 0xFD02 //定義紅外接收用戶碼
/************* 以下宏定義用戶請勿修改 **************/
#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;
/************* 本地常量聲明 **************/
/************* 本地變量聲明 **************/
sbit P_IR_RX = P3^2; //定義紅外接收輸入端口
sbit LED1 = P3^0;
sbit LED2 = P3^1;
sbit LED3 = P3^3;
sbit LED4 = P3^4; //定義提示燈輸出端口
sbit L2 = P3^5; //定義繼電器輸出端口
bit P_IR_RX_temp; //Last sample
bit B_IR_Sync; //已收到同步標志
uchar IR_SampleCnt; //采樣計數
uchar IR_BitCnt; //編碼位數
uchar IR_UserH; //用戶碼(地址)高字節
uchar IR_UserL; //用戶碼(地址)低字節
uchar IR_data; //數據原碼
uchar IR_DataShit; //數據反碼
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 紅外鍵碼
bit FLAG = 0; //計數完成標志位
uint count; //計數變量1
uint count2; //計數變量2
uint count3; //計數變量3
/************* 本地函數聲明 **************/
uchar HEX2ASCII(uchar dat);
void InitTimer(void);
void Timer2Init(void);
/************* 外部函數和變量聲明 *****************/
/********************* 主函數 *************************/
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鍵按下
{
B_IR_Press = 0; //清除IR鍵按下標志
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='8')L2=~L2; //如果按鍵碼是18，啟動繼電器
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='A') //如果按鍵碼是0A，啟動繼電器，并開始計時，0.5小時后關閉繼電器
{
L2 = 0;
LED1 = 1;LED2 = 1;LED3 = 1;LED4 = 1; //打開紅燈
count = 0;
count2 = 30; //30
count3 = 11; //定時0.5小時
IE2 |= 0x04; //啟動定時器2
} if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='7') //如果按鍵碼是17，啟動繼電器，并開始計時，1小時后關閉繼電器
{
L2 = 0;
LED1 = 0;LED2 = 1;LED3 = 1;LED4 = 1; //打開紅燈
count = 0;
count2 = 0;
count3 = 11; //定時1小時
IE2 |= 0x04; //啟動定時器2
}
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='6') //如果按鍵碼是16，啟動繼電器，并開始計時，2小時后關閉繼電器
{
L2 = 0;
LED1 = 1;LED2 = 0;LED3 = 1;LED4 = 1; //打開紅燈和黃燈
count = 0;
count2 = 0;
count3 = 10; //定時2小時
IE2 |= 0x04; //啟動定時器2
}
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='5') //如果按鍵碼是15，啟動繼電器，并開始計時，3小時后關閉繼電器
{
L2 = 0;
LED1 = 1;LED2 = 1;LED3 = 0;LED4 = 1; //打開紅燈和黃燈
count = 0;
count2 = 0;
count3 = 9; //定時3小時
IE2 |= 0x04; //啟動定時器2
}
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='4') //如果按鍵碼是14，啟動繼電器，并開始計時，4小時后關閉繼電器
{
L2 = 0;
LED1 = 1;LED2 = 1;LED3 = 1;LED4 = 0; //打開紅燈和黃燈
count = 0;
count2 = 0;
count3 = 8; //定時4小時
IE2 |= 0x04; //啟動定時器2
}
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='3') //如果按鍵碼是13，啟動繼電器，并開始計時，5小時后關閉繼電器
{
L2 = 0;
LED1 = 0;LED2 = 1;LED3 = 1;LED4 = 0; //打開紅燈和黃燈
count = 0;
count2 = 0;
count3 = 7; //定時5小時
IE2 |= 0x04; //啟動定時器2
}
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='2') //如果按鍵碼是12，啟動繼電器，并開始計時，6小時后關閉繼電器
{
L2 = 0;
LED1 = 1;LED2 = 0;LED3 = 1;LED4 = 0; //打開紅燈和黃燈
count = 0;
count2 = 0;
count3 = 6; //定時6小時
IE2 |= 0x04; //啟動定時器2
}
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='1') //如果按鍵碼是11，啟動繼電器，并開始計時，7小時后關閉繼電器
{
L2 = 0;
LED1 = 1;LED2 = 1;LED3 = 0;LED4 = 0; //打開紅燈和黃燈
count = 0;
count2 = 0;
count3 = 5; //定時7小時
IE2 |= 0x04; //啟動定時器2
}
if((HEX2ASCII(IR_code >> 4))=='1'&&HEX2ASCII(IR_code)=='0') //如果按鍵碼是10，啟動繼電器，并開始計時，8小時后關閉繼電器
{
L2 = 0;
LED1 = 0;LED2 = 1;LED3 = 0;LED4 = 0; //打開紅燈和黃燈
count = 0;
count2 = 0;
count3 = 4; //定時8小時
IE2 |= 0x04; //啟動定時器2
}
if((HEX2ASCII(IR_code >> 4))=='0'&&HEX2ASCII(IR_code)=='F') //如果按鍵碼是0F，啟動繼電器，并開始計時，9小時后關閉繼電器
{
L2 = 0;
LED1 = 1;LED2 = 0;LED3 = 0;LED4 = 0; //打開紅燈和黃燈
count = 0;
count2 = 0;
count3 = 3; //定時9小時
IE2 |= 0x04; //啟動定時器2
}
if((HEX2ASCII(IR_code >> 4))=='0'&&HEX2ASCII(IR_code)=='E') //如果按鍵碼是0E，啟動繼電器，并開始計時，10小時后關閉繼電器
{
L2 = 0;
LED1 = 0;LED2 = 0;LED3 = 0;LED4 = 0; //打開紅燈、黃燈、綠燈
count = 0;
count2 = 0;
count3 = 2; //定時10小時
IE2 |= 0x04; //啟動定時器2
if(count3==1)LED3 = 1; //如果一小時到，關閉綠燈
if(count2==30&&count3==1)LED2 = 1; //如果一個半小時到，關閉黃燈
}
}
if(FLAG == 1) //定時計數時間到標志
{
FLAG = 0; //標志清0
IE2 &= ~(1<<2); //關閉定時器2
}
if(count2==30)LED2 = 1; //如果半小時到，關閉黃燈
if(count2==30&&count3==1)LED2 = 1; //如果一個半小時到，關閉黃燈
if(L2==1)
{
LED1 = 1;
LED2 = 1;
LED3 = 1;
LED4 = 1; //繼電器關掉，燈也關掉
}
}
}
/********************* 十六進制轉ASCII函數 *************************/
uchar HEX2ASCII(uchar dat)
{
dat &= 0x0f;
if(dat <= 9) return (dat + '0'); //數字0~9
return (dat - 10 + 'A'); //字母A~F
}
/******************** 紅外采樣時間宏定義, 用戶不要隨意修改 *******************/
#if ((D_TIMER0 <= 250) && (D_TIMER0 >= 60))
#define D_IR_sample D_TIMER0 //定義采樣時間，在60us~250us之間
#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) //判斷數據正反碼
{
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; //數據有效
}
}
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初始化函數 ******************************/
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初始化函數 ******************************/
void Timer2Init(void) //50毫秒@11.0592MHz
{
AUXR &= 0xFB; //定時器12T模式
T2L = 0x00;
T2H = 0x4C; //設置定時器初值
IE2 &= ~(1<<2); //關閉定時器2產生中斷
AUXR |= 0x10; //定時2開始計時
EA = 1; //開總中斷
}
/********************** Timer0中斷函數************************/
void timer0 (void) interrupt 1
{
IR_RX_HT6121();
}
/********************** Timer2中斷函數************************/
void Timer2()interrupt 12 using 1
{
T2L = 0x00;
T2H = 0x4C; //50MS
count++;
if(count==1200) //60S 1200
{
count=0;
count2++;
if(count2==60) //60分鐘 60
{
count2=0;
count3++;
if(count3==12)//2小時 2
{
count3=0;
LED1 = 1;
LED2 = 1;
LED3 = 1;
LED4 = 1; //關閉提示燈
L2 = ~L2; //關閉繼電器
FLAG = 1; //計數時間到標志
}
}
}
}

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