红外遥控
main.c
#include <REGX52.H>
#include "Delay.h"
#include "LCD1602.h"
#include "IR.h"unsigned char Num;
unsigned char Address;
unsigned char Command;void main()
{LCD_Init();LCD_ShowString(1,1,"ADDR CMD NUM");LCD_ShowString(2,1,"00 00 000");IR_Init();while(1){if(IR_GetDataFlag() || IR_GetRepeatFlag()) //如果收到数据帧或者收到连发帧{Address=IR_GetAddress(); //获取遥控器地址码Command=IR_GetCommand(); //获取遥控器命令码LCD_ShowHexNum(2,1,Address,2); //显示遥控器地址码LCD_ShowHexNum(2,7,Command,2); //显示遥控器命令码if(Command==IR_VOL_MINUS) //如果遥控器VOL-按键按下{Num--; //Num自减}if(Command==IR_VOL_ADD) //如果遥控器VOL+按键按下{Num++; //Num自增}LCD_ShowNum(2,12,Num,3); //显示Num}}
}
IR.c
#include <REGX52.H>
#include "Timer0.h"
#include "Int0.h"unsigned int IR_Time;
unsigned char IR_State;unsigned char IR_Data[4];
unsigned char IR_pData;unsigned char IR_DataFlag;
unsigned char IR_RepeatFlag;
unsigned char IR_Address;
unsigned char IR_Command;/*** @brief 红外遥控初始化* @param 无* @retval 无*/
void IR_Init(void)
{Timer0_Init();Int0_Init();
}/*** @brief 红外遥控获取收到数据帧标志位* @param 无* @retval 是否收到数据帧,1为收到,0为未收到*/
unsigned char IR_GetDataFlag(void)
{if(IR_DataFlag){IR_DataFlag=0;return 1;}return 0;
}/*** @brief 红外遥控获取收到连发帧标志位* @param 无* @retval 是否收到连发帧,1为收到,0为未收到*/
unsigned char IR_GetRepeatFlag(void)
{if(IR_RepeatFlag){IR_RepeatFlag=0;return 1;}return 0;
}/*** @brief 红外遥控获取收到的地址数据* @param 无* @retval 收到的地址数据*/
unsigned char IR_GetAddress(void)
{return IR_Address;
}/*** @brief 红外遥控获取收到的命令数据* @param 无* @retval 收到的命令数据*/
unsigned char IR_GetCommand(void)
{return IR_Command;
}//外部中断0中断函数,下降沿触发执行
void Int0_Routine(void) interrupt 0
{if(IR_State==0) //状态0,空闲状态{Timer0_SetCounter(0); //定时计数器清0Timer0_Run(1); //定时器启动IR_State=1; //置状态为1}else if(IR_State==1) //状态1,等待Start信号或Repeat信号{IR_Time=Timer0_GetCounter(); //获取上一次中断到此次中断的时间Timer0_SetCounter(0); //定时计数器清0//如果计时为13.5ms,则接收到了Start信号(判定值在12MHz晶振下为13500,在11.0592MHz晶振下为12442)if(IR_Time>13500-500 && IR_Time<13500+500){IR_State=2; //置状态为2}//如果计时为11.25ms,则接收到了Repeat信号(判定值在12MHz晶振下为11250,在11.0592MHz晶振下为10368)else if(IR_Time>11250-500 && IR_Time<11250+500){IR_RepeatFlag=1; //置收到连发帧标志位为1Timer0_Run(0); //定时器停止IR_State=0; //置状态为0}else //接收出错{IR_State=1; //置状态为1}}else if(IR_State==2) //状态2,接收数据{IR_Time=Timer0_GetCounter(); //获取上一次中断到此次中断的时间Timer0_SetCounter(0); //定时计数器清0//如果计时为1120us,则接收到了数据0(判定值在12MHz晶振下为1120,在11.0592MHz晶振下为1032)if(IR_Time>1120-500 && IR_Time<1120+500){IR_Data[IR_pData/8]&=~(0x01<<(IR_pData%8)); //数据对应位清0IR_pData++; //数据位置指针自增}//如果计时为2250us,则接收到了数据1(判定值在12MHz晶振下为2250,在11.0592MHz晶振下为2074)else if(IR_Time>2250-500 && IR_Time<2250+500){IR_Data[IR_pData/8]|=(0x01<<(IR_pData%8)); //数据对应位置1IR_pData++; //数据位置指针自增}else //接收出错{IR_pData=0; //数据位置指针清0IR_State=1; //置状态为1}if(IR_pData>=32) //如果接收到了32位数据{IR_pData=0; //数据位置指针清0if((IR_Data[0]==~IR_Data[1]) && (IR_Data[2]==~IR_Data[3])) //数据验证{IR_Address=IR_Data[0]; //转存数据IR_Command=IR_Data[2];IR_DataFlag=1; //置收到连发帧标志位为1}Timer0_Run(0); //定时器停止IR_State=0; //置状态为0}}
}
IR.h
#ifndef __IR_H__
#define __IR_H__#define IR_POWER 0x45
#define IR_MODE 0x46
#define IR_MUTE 0x47
#define IR_START_STOP 0x44
#define IR_PREVIOUS 0x40
#define IR_NEXT 0x43
#define IR_EQ 0x07
#define IR_VOL_MINUS 0x15
#define IR_VOL_ADD 0x09
#define IR_0 0x16
#define IR_RPT 0x19
#define IR_USD 0x0D
#define IR_1 0x0C
#define IR_2 0x18
#define IR_3 0x5E
#define IR_4 0x08
#define IR_5 0x1C
#define IR_6 0x5A
#define IR_7 0x42
#define IR_8 0x52
#define IR_9 0x4Avoid IR_Init(void);
unsigned char IR_GetDataFlag(void);
unsigned char IR_GetRepeatFlag(void);
unsigned char IR_GetAddress(void);
unsigned char IR_GetCommand(void);#endif
LCD1602.C
#include <REGX52.H>//引脚配置:
sbit LCD_RS=P2^6;
sbit LCD_RW=P2^5;
sbit LCD_EN=P2^7;
#define LCD_DataPort P0//函数定义:
/*** @brief LCD1602延时函数,12MHz调用可延时1ms* @param 无* @retval 无*/
void LCD_Delay()
{unsigned char i, j;i = 2;j = 239;do{while (--j);} while (--i);
}/*** @brief LCD1602写命令* @param Command 要写入的命令* @retval 无*/
void LCD_WriteCommand(unsigned char Command)
{LCD_RS=0;LCD_RW=0;LCD_DataPort=Command;LCD_EN=1;LCD_Delay();LCD_EN=0;LCD_Delay();
}/*** @brief LCD1602写数据* @param Data 要写入的数据* @retval 无*/
void LCD_WriteData(unsigned char Data)
{LCD_RS=1;LCD_RW=0;LCD_DataPort=Data;LCD_EN=1;LCD_Delay();LCD_EN=0;LCD_Delay();
}/*** @brief LCD1602设置光标位置* @param Line 行位置,范围:1~2* @param Column 列位置,范围:1~16* @retval 无*/
void LCD_SetCursor(unsigned char Line,unsigned char Column)
{if(Line==1){LCD_WriteCommand(0x80|(Column-1));}else if(Line==2){LCD_WriteCommand(0x80|(Column-1+0x40));}
}/*** @brief LCD1602初始化函数* @param 无* @retval 无*/
void LCD_Init()
{LCD_WriteCommand(0x38);//八位数据接口,两行显示,5*7点阵LCD_WriteCommand(0x0c);//显示开,光标关,闪烁关LCD_WriteCommand(0x06);//数据读写操作后,光标自动加一,画面不动LCD_WriteCommand(0x01);//光标复位,清屏
}/*** @brief 在LCD1602指定位置上显示一个字符* @param Line 行位置,范围:1~2* @param Column 列位置,范围:1~16* @param Char 要显示的字符* @retval 无*/
void LCD_ShowChar(unsigned char Line,unsigned char Column,char Char)
{LCD_SetCursor(Line,Column);LCD_WriteData(Char);
}/*** @brief 在LCD1602指定位置开始显示所给字符串* @param Line 起始行位置,范围:1~2* @param Column 起始列位置,范围:1~16* @param String 要显示的字符串* @retval 无*/
void LCD_ShowString(unsigned char Line,unsigned char Column,char *String)
{unsigned char i;LCD_SetCursor(Line,Column);for(i=0;String[i]!='\0';i++){LCD_WriteData(String[i]);}
}/*** @brief 返回值=X的Y次方*/
int LCD_Pow(int X,int Y)
{unsigned char i;int Result=1;for(i=0;i<Y;i++){Result*=X;}return Result;
}/*** @brief 在LCD1602指定位置开始显示所给数字* @param Line 起始行位置,范围:1~2* @param Column 起始列位置,范围:1~16* @param Number 要显示的数字,范围:0~65535* @param Length 要显示数字的长度,范围:1~5* @retval 无*/
void LCD_ShowNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length)
{unsigned char i;LCD_SetCursor(Line,Column);for(i=Length;i>0;i--){LCD_WriteData(Number/LCD_Pow(10,i-1)%10+'0');}
}/*** @brief 在LCD1602指定位置开始以有符号十进制显示所给数字* @param Line 起始行位置,范围:1~2* @param Column 起始列位置,范围:1~16* @param Number 要显示的数字,范围:-32768~32767* @param Length 要显示数字的长度,范围:1~5* @retval 无*/
void LCD_ShowSignedNum(unsigned char Line,unsigned char Column,int Number,unsigned char Length)
{unsigned char i;unsigned int Number1;LCD_SetCursor(Line,Column);if(Number>=0){LCD_WriteData('+');Number1=Number;}else{LCD_WriteData('-');Number1=-Number;}for(i=Length;i>0;i--){LCD_WriteData(Number1/LCD_Pow(10,i-1)%10+'0');}
}/*** @brief 在LCD1602指定位置开始以十六进制显示所给数字* @param Line 起始行位置,范围:1~2* @param Column 起始列位置,范围:1~16* @param Number 要显示的数字,范围:0~0xFFFF* @param Length 要显示数字的长度,范围:1~4* @retval 无*/
void LCD_ShowHexNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length)
{unsigned char i,SingleNumber;LCD_SetCursor(Line,Column);for(i=Length;i>0;i--){SingleNumber=Number/LCD_Pow(16,i-1)%16;if(SingleNumber<10){LCD_WriteData(SingleNumber+'0');}else{LCD_WriteData(SingleNumber-10+'A');}}
}/*** @brief 在LCD1602指定位置开始以二进制显示所给数字* @param Line 起始行位置,范围:1~2* @param Column 起始列位置,范围:1~16* @param Number 要显示的数字,范围:0~1111 1111 1111 1111* @param Length 要显示数字的长度,范围:1~16* @retval 无*/
void LCD_ShowBinNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length)
{unsigned char i;LCD_SetCursor(Line,Column);for(i=Length;i>0;i--){LCD_WriteData(Number/LCD_Pow(2,i-1)%2+'0');}
}
LCD1602.h
#ifndef __LCD1602_H__
#define __LCD1602_H__//用户调用函数:
void LCD_Init();
void LCD_ShowChar(unsigned char Line,unsigned char Column,char Char);
void LCD_ShowString(unsigned char Line,unsigned char Column,char *String);
void LCD_ShowNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length);
void LCD_ShowSignedNum(unsigned char Line,unsigned char Column,int Number,unsigned char Length);
void LCD_ShowHexNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length);
void LCD_ShowBinNum(unsigned char Line,unsigned char Column,unsigned int Number,unsigned char Length);#endif
红外遥控(11.0592MHZ晶振)
#include <REGX52.H>
#include "Delay.h"
#include "LCD1602.h"
#include "IR.h"unsigned char Num;
unsigned char Address;
unsigned char Command;void main()
{LCD_Init();LCD_ShowString(1,1,"ADDR CMD NUM");LCD_ShowString(2,1,"00 00 000");IR_Init();while(1){if(IR_GetDataFlag() || IR_GetRepeatFlag()) //如果收到数据帧或者收到连发帧{Address=IR_GetAddress(); //获取遥控器地址码Command=IR_GetCommand(); //获取遥控器命令码LCD_ShowHexNum(2,1,Address,2); //显示遥控器地址码LCD_ShowHexNum(2,7,Command,2); //显示遥控器命令码if(Command==IR_VOL_MINUS) //如果遥控器VOL-按键按下{Num--; //Num自减}if(Command==IR_VOL_ADD) //如果遥控器VOL+按键按下{Num++; //Num自增}LCD_ShowNum(2,12,Num,3); //显示Num}}
}
红外遥控电机调速
main.c
#include <REGX52.H>
#include "Delay.h"
#include "Key.h"
#include "Nixie.h"
#include "Motor.h"
#include "IR.h"unsigned char Command,Speed;void main()
{Motor_Init();IR_Init();while(1){if(IR_GetDataFlag()) //如果收到数据帧{Command=IR_GetCommand(); //获取遥控器命令码if(Command==IR_0){Speed=0;} //根据遥控器命令码设置速度if(Command==IR_1){Speed=1;}if(Command==IR_2){Speed=2;}if(Command==IR_3){Speed=3;}if(Speed==0){Motor_SetSpeed(0);} //速度输出if(Speed==1){Motor_SetSpeed(50);}if(Speed==2){Motor_SetSpeed(75);}if(Speed==3){Motor_SetSpeed(100);}}Nixie(1,Speed); //数码管显示速度}
}
Motor.c
#include <REGX52.H>
#include "Timer1.h"//引脚定义
sbit Motor=P1^0;unsigned char Counter,Compare;/*** @brief 电机初始化* @param 无* @retval 无*/
void Motor_Init(void)
{Timer1_Init();
}/*** @brief 电机设置速度* @param Speed 要设置的速度,范围0~100* @retval 无*/
void Motor_SetSpeed(unsigned char Speed)
{Compare=Speed;
}//定时器1中断函数
void Timer1_Routine() interrupt 3
{TL1 = 0x9C; //设置定时初值TH1 = 0xFF; //设置定时初值Counter++;Counter%=100; //计数值变化范围限制在0~99if(Counter<Compare) //计数值小于比较值{Motor=1; //输出1}else //计数值大于比较值{Motor=0; //输出0}
}
Motor.h
#ifndef __MOTOR_H__
#define __MOTOR_H__void Motor_Init(void);
void Motor_SetSpeed(unsigned char Speed);#endif
Nixie.c
#include <REGX52.H>
#include "Delay.h"unsigned char NixieTable[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};void Nixie(unsigned char Location,Number)
{switch(Location){case 1:P2_4=1;P2_3=1;P2_2=1;break;case 2:P2_4=1;P2_3=1;P2_2=0;break;case 3:P2_4=1;P2_3=0;P2_2=1;break;case 4:P2_4=1;P2_3=0;P2_2=0;break;case 5:P2_4=0;P2_3=1;P2_2=1;break;case 6:P2_4=0;P2_3=1;P2_2=0;break;case 7:P2_4=0;P2_3=0;P2_2=1;break;case 8:P2_4=0;P2_3=0;P2_2=0;break;}P0=NixieTable[Number];Delay(1);P0=0x00;
}
Nixie.h
#ifndef __NIXIE_H__
#define __NIXIE_H__void Nixie(unsigned char Location,Number);#endif
红外遥控电机调速(11.0592MHZ晶振)
main.c
#include <REGX52.H>
#include "Delay.h"
#include "Key.h"
#include "Nixie.h"
#include "Motor.h"
#include "IR.h"unsigned char Command,Speed;void main()
{Motor_Init();IR_Init();while(1){if(IR_GetDataFlag()) //如果收到数据帧{Command=IR_GetCommand(); //获取遥控器命令码if(Command==IR_0){Speed=0;} //根据遥控器命令码设置速度if(Command==IR_1){Speed=1;}if(Command==IR_2){Speed=2;}if(Command==IR_3){Speed=3;}if(Speed==0){Motor_SetSpeed(0);} //速度输出if(Speed==1){Motor_SetSpeed(50);}if(Speed==2){Motor_SetSpeed(75);}if(Speed==3){Motor_SetSpeed(100);}}Nixie(1,Speed); //数码管显示速度}
}