基于单片机DHT11温湿度NRF2401无线通信控制系统（原理图+源程序）.rar

#include <reg52.h> #include <intrins.h> #include <math.h> #include <stdio.h> #define uchar unsigned char #define uint unsigned int #define ulong unsigned long /***************************************************/ #define TX_ADR_WIDTH 5 // 5个字节宽度的发送/接收地址 #define TX_PLOAD_WIDTH 4 // 数据通道有效数据宽度 sbit k1=P1^4; //按键 sbit k2=P1^5; //按键 sbit k3=P1^6; //按键 sbit k4=P1^7; //按键 sbit beep=P2^3; sbit RS = P2^6; sbit RW = P2^5; sbit E = P2^7; sfr DBPort = 0x80; //P0=0x80,P1=0x90,P2=0xA0,P3=0xB0.数据端口 uchar temp,humi; uchar TEMP_data[15]; //用于记录实测的温度 uchar HUMI_data[15]; //用于记录实测的湿度 uchar set_temp[5]; //保存设定的温度 uchar set_humi[4]; //保存设定的湿度 uchar idata temp_humi_cache[8]; //温湿度设置缓存 uint temp_high=30; //温度上限变量 uint temp_low=20; //温度下限变量 uint humi_high=60; //湿度上限变量 uint humi_low=30; //湿度下限变量 uchar presskeynum; //按键次数变量 uchar code TX_ADDRESS[TX_ADR_WIDTH] = {0x34,0x43,0x10,0x10,0x01}; // 定义静态发送地址 uchar RX_BUF[TX_PLOAD_WIDTH]; uchar TX_BUF[TX_PLOAD_WIDTH]; uchar flag; uchar DATA = 0x01; uchar bdata sta; sbit RX_DR = sta^6; sbit TX_DS = sta^5; sbit MAX_RT = sta^4; sbit CE = P2^0; sbit CSN= P3^7; sbit SCK= P3^2; sbit MOSI= P3^3; sbit MISO= P2^1; sbit IRQ = P2^2; // SPI(nRF24L01) commands #define READ_REG 0x00 // Define read command to register #define WRITE_REG 0x20 // Define write command to register #define RD_RX_PLOAD 0x61 // Define RX payload register address #define WR_TX_PLOAD 0xA0 // Define TX payload register address #define FLUSH_TX 0xE1 // Define flush TX register command #define FLUSH_RX 0xE2 // Define flush RX register command #define REUSE_TX_PL 0xE3 // Define reuse TX payload register command #define NOP 0xFF // Define No Operation, might be used to read status register // SPI(nRF24L01) registers(addresses) #define CONFIG 0x00 // 'Config' register address #define EN_AA 0x01 // 'Enable Auto Acknowledgment' register address #define EN_RXADDR 0x02 // 'Enabled RX addresses' register address #define SETUP_AW 0x03 // 'Setup address width' register address #define SETUP_RETR 0x04 // 'Setup Auto. Retrans' register address #define RF_CH 0x05 // 'RF channel' register address #define RF_SETUP 0x06 // 'RF setup' register address #define STATUS 0x07 // 'Status' register address #define OBSERVE_TX 0x08 // 'Observe TX' register address #define CD 0x09 // 'Carrier Detect' register address #define RX_ADDR_P0 0x0A // 'RX address pipe0' register address #define RX_ADDR_P1 0x0B // 'RX address pipe1' register address #define RX_ADDR_P2 0x0C // 'RX address pipe2' register address #define RX_ADDR_P3 0x0D // 'RX address pipe3' register address #define RX_ADDR_P4 0x0E // 'RX address pipe4' register address #define RX_ADDR_P5 0x0F // 'RX address pipe5' register address #define TX_ADDR 0x10 // 'TX address' register address #define RX_PW_P0 0x11 // 'RX payload width, pipe0' register address #define RX_PW_P1 0x12 // 'RX payload width, pipe1' register address #define RX_PW_P2 0x13 // 'RX payload width, pipe2' register address #define RX_PW_P3 0x14 // 'RX payload width, pipe3' register address #define RX_PW_P4 0x15 // 'RX payload width, pipe4' register address #define RX_PW_P5 0x16 // 'RX payload width, pipe5' register address #define FIFO_STATUS 0x17 // 'FIFO Status Register' register address //--??SPI???? IO--// sbit MOSIO = P3^4; sbit R_CLK = P3^5; sbit S_CLK = P3^6; void blink(char i); void ASame(char t); //--函数声明--// /******** 1602函数声明 ********/ void LCD_Initial(); void GotoXY(unsigned char x, unsigned char y); void Print(unsigned char *str); void LCD_Write(bit style, unsigned char input); /*************************************************************************/ void Delay1(uint ); void Delay_10us(void); void COM(void); uchar RH(void); //1602程序 //内部等待函数************************************************************* unsigned char LCD_Wait(void) { RS=0; RW=1; _nop_(); E=1; _nop_(); E=0; return DBPort; } //向LCD写入命令或数据******************************************************** #define LCD_COMMAND 0 // Command #define LCD_DATA 1 // Data #define LCD_CLEAR_SCREEN 0x01 // 清屏 #define LCD_HOMING 0x02 // 光标返回原点 void LCD_Write(bit style, unsigned char input) { E=0; RS=style; RW=0; _nop_(); DBPort=input; _nop_();//注意顺序 E=1; _nop_();//注意顺序 E=0; _nop_(); LCD_Wait(); } //设置显示模式************************************************************ #define LCD_SHOW 0x04 //显示开 #define LCD_HIDE 0x00 //显示关 #define LCD_CURSOR 0x02 //显示光标 #define LCD_NO_CURSOR 0x00 //无光标 #define LCD_FLASH 0x01 //光标闪动 #define LCD_NO_FLASH 0x00 //光标不闪动 void LCD_SetDisplay(unsigned char DisplayMode) { LCD_Write(LCD_COMMAND, 0x08|DisplayMode); } //设置输入模式************************************************************ #define LCD_AC_UP 0x02 #define LCD_AC_DOWN 0x00 // default #define LCD_MOVE 0x01 // 画面可平移 #define LCD_NO_MOVE 0x00 //default void LCD_SetInput(unsigned char InputMode) { LCD_Write(LCD_COMMAND, 0x04|InputMode); } //初始化LCD************************************************************ void LCD_Initial() { E=0; LCD_Write(LCD_COMMAND,0x38); //8位数据端口,2行显示,5*7点阵 LCD_Write(LCD_COMMAND,0x38); LCD_SetDisplay(LCD_SHOW|LCD_NO_CURSOR); //开启显示, 无光标 LCD_Write(LCD_COMMAND,LCD_CLEAR_SCREEN); //清屏 LCD_SetInput(LCD_AC_UP|LCD_NO_MOVE); //AC递增, 画面不动 } //液晶字符输入的位置************************ void GotoXY(unsigned char x, unsigned char y) { if(y==0) LCD_Write(LCD_COMMAND,0x80|x); if(y==1) LCD_Write(LCD_COMMAND,0x80|(x-0x40)); } //将字符输出到液晶显示 void Print(unsigned char *str) { while(*str!='\0') { LCD_Write(LCD_DATA,*str); str++; } } void delay(uint z) //延时函数z为毫秒数 { int a,b; for(a=z;a>0;a--) for(b=120;b>0;b--); } void key() { if (k1==0) //调整按键检测 { delay(10); if (k1==0) { presskeynum++; if(presskeynum==5) presskeynum=0; while(k1==0); LCD_Write(LCD_COMMAND,LCD_CLEAR_SCREEN); //清屏 } } if(presskeynum==1)//温度上限设置 { if(k2==0)// 加 { delay(10); temp_high++; if (temp_high>99) temp_high=0; if (temp_high<0) temp_high=99; while(k2==0); //加上此句必须松按键才处理 } if(k3==0)//减 { delay(10); temp_high--; if (temp_high>99) temp_high=0; if (temp_high<0) temp_high=99; while(k3==0); //加上此句必须松按键才处理 } } if(presskeynum==2)//温度下限设置 { if(k2==0)// 加 { delay(10); temp_low++; if (temp_low>99) temp_low=0; if (temp_low<0) temp_low=99; while(k2==0);