- //////STC15F104////////////
- #include <STC15F2K60S2.H>
- #include "74HC595.H" //包含74HC595头文件
- #define uchar unsigned char
- #define uint unsigned int
- #define T50MS (65536-50000) //12T模式
- /************* 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 **************/
- #define freq_base (MAIN_Fosc / 1200)
- #define Timer0_Reload (65536 - (D_TIMER0 * freq_base / 10000))
- /************* 本地变量声明 **************/
- 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
- 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
- sbit KG =P3^1;
- sbit FMQ =P3^0;
- sbit P_IR_RX =P3^2; //定义红外接收输入端口
- uchar code SMG[11]={0x77,0x60,0x3b,0x7a,0x6c,0x5e,0x5f,0x70,0x7f,0x7e, 0x00};//0, 1, 2, 3,4, 5, 6, 7, 8, 9, off
- uint i2,shi,fen,miao;
- uint i1,ontime,offtime;
- uchar k,data1=0x01;
- bit b;
- //uchar a[4]; //储存用户码、用户反码与键数据码、键数据反码
- /************* 本地函数声明 **************/
- void Tx1Send(uchar dat);
- uchar HEX2ASCII(uchar dat);
- void InitTimer(void);
- void PrintString(unsigned char code *puts);
- //////////////////////////////////////////
- void delay1ms(void)
- {
- unsigned char i,j;
- for(i=0;i<10;i++)
- for(j=0;j<33;j++)
- ;
- }
- ////////////////////////////////////////////
- void delay(unsigned char n)
- {
- unsigned char i;
- for(i=0;i<n;i++)
- delay1ms();
- }
- ////////////////////////////////////////////
- void beep() //蜂鸣器响一声函数
- {
- FMQ=0;
- delay(250); //延时
- FMQ=1; //关闭蜂鸣器
- }
- ////////////////////////////////////////////
- void display(void) //显示定时时间。
- {
- if(shi==0) //当定时时间为0时,不显示
- {
- Ser_IN(SMG[10]);
- Par_OUT();
- }
- else
- {
- Ser_IN(SMG[shi]);
- Par_OUT();
- }
- }
- /////////////////////////////////////////////////////////////
- void Model_2(void)
- {
- ontime=40;
- offtime=40;
- }
- /////////////////////////////////////////////////////////////
- void Model_3(void)
- {
- ontime=100;
- offtime=40;
- }
- /////////////////////////////////////////////////////////////
- void Model_4(void)
- {
- ontime=200;
- offtime=80;
- }
- /////////////////////////////////////////////////////////////
- void Model_5(void)
- {
- ontime=700;
- offtime=300;
- }
- /////////////////////////////////////////////////////////////
- //判断接收的编码,执行相应功能
- void _data_(void)
- {
- switch(IR_data)
- {
- case 0x01:k++;if(k==6) k=1;i1=0;b=1;beep();break; //开机及模式调节。蜂鸣器响一声 提示解码成功,模式切换时i1必须清零
- case 0x05:shi++; if(shi==10) shi=0;beep();break; //定时时间1~9小时
- case 0x09:break; //此功能暂时无效
- case 0x0d:k=0;beep();break; //关机
- }
- IR_data=0x00; //必须清零
- }
- ////////////////////////////////////////////
- void main(void) //主函数
- {
- IE = 0x82; //开总中断和T0中断允许
- IE2 = 0x04; //T2中断允许
- TMOD = 0; //for STC15Fxxx系列 Timer0 as 16bit reload timer.
- TH0 = Timer0_Reload / 256;
- TL0 = Timer0_Reload % 256;
- T2L = T50MS; //初始化计时值5ms中断一次
- T2H = T50MS >> 8;
- TR0 =1;
- k =0;
- while(1)
- {
- switch(k)
- {
- case 0: AUXR=0x00; //k=0时T2关闭中断
- i1=0; //记得计时清零
- shi=0; //关闭风扇时,定时时长也清零
- KG=1; //关闭风扇
- break;
- case 1: AUXR=0x10; //k不等于0时打开中断
- break;
- case 2: AUXR=0x10; //k=2~5时启动相应模式
- Model_2();
- break;
- case 3: AUXR=0x10;
- Model_3();
- break;
- case 4: AUXR=0x10;
- Model_4();
- break;
- case 5: AUXR=0x10;
- Model_5();
- break;
- }
-
- display();
-
- }
- }
- /*************红外接收部分程序是引用STC官方的资料******************************/
- /******************** 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
- _data_();
- }
- }
- 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
- }
- }
- }
- }
- }
- /********************** Timer0中断函数************************/
- void timer0 (void) interrupt 1
- {
- IR_RX_HT6121();
- }
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