[عبدالله حجازى]

السلام عليكم ورحمه الله

لقد نفذت مشروع من فطره بستخدام حساس الحرارة والرطوبه DHT11 والحمد لله المشروع اشتغل تمام بدون أي مشاكل .

ما اريده هو تعديل علي هذا الكود لكي يتناسب مع الحساس DHT22

    // ENG / ABDALLA HEGAZY **
    // DATA / 2018/8/2      **
    // RH _temp. controller **


  // Lcd pinout settings
sbit LCD_RS at RB0_bit;
sbit LCD_EN at RB1_bit;
sbit LCD_D7 at RB5_bit;
sbit LCD_D6 at RB4_bit;
sbit LCD_D5 at RB3_bit;
sbit LCD_D4 at RB2_bit;

// Pin direction
sbit LCD_RS_Direction at TRISB0_bit;
sbit LCD_EN_Direction at TRISB1_bit;
sbit LCD_D7_Direction at TRISB5_bit;
sbit LCD_D6_Direction at TRISB4_bit;
sbit LCD_D5_Direction at TRISB3_bit;
sbit LCD_D4_Direction at TRISB2_bit;



 unsigned long  Check, T_byte1, T_byte2,RH_byte1, RH_byte2, Ch ;
 unsigned Temp,RH,Sum;







 void StartSignal(){
 TRISC.F7 = 0;    //Configure RD0 as output
 PORTC.F7 = 0;    //RD0 sends 0 to the sensor
 delay_ms(18);
 PORTC.F7 = 1;    //RD0 sends 1 to the sensor
 delay_us(30);
 TRISC.F7 = 1;    //Configure RD0 as input
  }
 //////////////////////////////
 void CheckResponse(){
 Check = 0;
 delay_us(40);
 if (PORTC.F7 == 0){
 delay_us(80);
 if (PORTC.F7 == 1)   Check = 1;   delay_us(40);}
 }
 //////////////////////////////
 char ReadData(){
 char i, j;
 for(j = 0; j < 8; j++){
 while(!PORTC.F7); //Wait until PORTD.F0 goes HIGH
 delay_us(30);
 if(PORTC.F7 == 0)
       i&= ~(1<<(7 - j));  //Clear bit (7-b)
 else {i|= (1 << (7 - j));  //Set bit (7-b)
 while(PORTC.F7);}  //Wait until PORTD.F0 goes LOW
 }
 return i;
 }




      void main() {
      TRISC=0; PORTC=0; TRISB=0; PORTB=0; TRISD=242; PORTD=0;
      TRISA=1;PORTA=0;  TRISE=0; PORTE=0;
      ADCON1 = 0x0F;  // Configure all ports with analog function as digital
      CMCON  = 7;    // Disable comparators
      Lcd_Init();



          while(1)
       {





       StartSignal(); CheckResponse();
        if(Check == 1)
    {
        RH_byte1 = ReadData(); RH_byte2 = ReadData();
        T_byte1  = ReadData(); T_byte2  = ReadData(); Sum = ReadData();

          if(Sum == ((RH_byte1+RH_byte2+T_byte1+T_byte2) & 0XFF))
       {
         Temp = T_byte1;
         RH   = RH_byte1;
          Lcd_Out(1, 1, "Temp:C           ");
         Lcd_Out(2, 1, "Humi:%           ");
         LCD_Chr(1, 8, 48 + ((Temp / 10) % 10));
         LCD_Chr(1, 9, 48 + (Temp % 10));
         LCD_Chr(2, 8, 48 + ((RH / 10) % 10));
         LCD_Chr(2, 9, 48 + (RH % 10));
         delay_ms(3000);
       }

            else
          { Lcd_Cmd(_LCD_CLEAR);
            Lcd_Cmd(_LCD_CURSOR_OFF);        // cursor off
            Lcd_Cmd(_LCD_CLEAR);             // clear LCD
            Lcd_Out(1, 1, "Check sum error");

           delay_ms(2000);   Lcd_Cmd(_LCD_CLEAR);

          }
    }

        else
      {
        Lcd_Out(1, 1, "[..] NO response");
        Lcd_Out(2, 1, "|||| the sensor");

        delay_ms(2000);Lcd_Cmd(_LCD_CLEAR);

      }



   }

 }

وهذه صوره للمحكاه مع البيك المستخدم






رابط لتحميل ملف المحكاه

https://drive.google.com/open?id=15Y...9_1yDpOUOw2BBm




وشكرااا جزيلا

[عبدالله حجازى]

السلام عليكم ورحمه الله



تم الحل وتوصلت الي كود للقرأه من الحساس DHT22

وهذا الكود للفائده منه في مشاريع

    // ENG / ABDALLA HEGAZY **
    // DATA / 2019/1/20      **
    // RH _temp. controller **


  // Lcd pinout settings
sbit LCD_RS at RB0_bit;
sbit LCD_EN at RB1_bit;
sbit LCD_D7 at RB5_bit;
sbit LCD_D6 at RB4_bit;
sbit LCD_D5 at RB3_bit;
sbit LCD_D4 at RB2_bit;

// Pin direction
sbit LCD_RS_Direction at TRISB0_bit;
sbit LCD_EN_Direction at TRISB1_bit;
sbit LCD_D7_Direction at TRISB5_bit;
sbit LCD_D6_Direction at TRISB4_bit;
sbit LCD_D5_Direction at TRISB3_bit;
sbit LCD_D4_Direction at TRISB2_bit;





 unsigned char  Check, T_byte1, T_byte2,
                RH_byte1, RH_byte2, Ch ;
 unsigned Temp, RH, Sum ;
 //////////////////////////////
 void StartSignal(){
 TRISD.F0 = 0;    //Configure RD0 as output
 PORTD.F0 = 0;    //RD0 sends 0 to the sensor
 delay_ms(18);
 PORTD.F0 = 1;    //RD0 sends 1 to the sensor
 delay_us(30);
 TRISD.F0 = 1;    //Configure RD0 as input
  }
 //////////////////////////////
 void CheckResponse(){
 Check = 0;
 delay_us(40);
 if (PORTD.F0 == 0){
 delay_us(80);
 if (PORTD.F0 == 1)   Check = 1;   delay_us(40);}
 }
 //////////////////////////////
 char ReadData(){
 char i, j;
 for(j = 0; j < 8; j++){
 while(!PORTD.F0); //Wait until PORTD.F0 goes HIGH
 delay_us(30);
 if(PORTD.F0 == 0)
       i&= ~(1<<(7 - j));  //Clear bit (7-b)
 else {i|= (1 << (7 - j));  //Set bit (7-b)
 while(PORTD.F0);}  //Wait until PORTD.F0 goes LOW
 }
 return i;
 }
 //////////////////////////////
 void main() {
 OSCCON =  0X70;       // Set internal oscillator at 8MHz
 ADCON1 = 0x0F;        // Configure AN pins as digital
 Lcd_Init();
 Lcd_Cmd(_LCD_CURSOR_OFF);        // cursor off
 Lcd_Cmd(_LCD_CLEAR);             // clear LCD

 while(1){
  StartSignal();
  CheckResponse();
  if(Check == 1){
  RH_byte1 = ReadData();
  RH_byte2 = ReadData();
  T_byte1 = ReadData();
  T_byte2 = ReadData();
  Sum = ReadData();
  if(Sum == ((RH_byte1+RH_byte2+T_byte1+T_byte2) & 0XFF)){
  Temp = T_byte1;
  Temp = (Temp << 8) | T_byte2;
  RH = RH_byte1;
  RH = (RH << 8) | RH_byte2;
  Lcd_Out(1, 6, "Temp:   . C");
  Lcd_Out(2, 2, "Humidity:   . %");
  if (Temp > 0X8000){
  Lcd_Out(1, 11, "-");
  Temp = Temp & 0X7FFF; }
  LCD_Chr(1, 12, 48 + ((Temp / 100) % 10));
  LCD_Chr(1, 13, 48 + ((Temp / 10) % 10));
  LCD_Chr(1, 15, 48 + (Temp % 10));
  LCD_Chr(2, 12, 48 + ((RH / 100) % 10));
  LCD_Chr(2, 13, 48 + ((RH / 10) % 10));
  LCD_Chr(2, 15, 48 + (RH % 10));
  }
  else{
  Lcd_Cmd(_LCD_CURSOR_OFF);        // cursor off
  Lcd_Cmd(_LCD_CLEAR);             // clear LCD
  Lcd_Out(1, 1, "Check sum error");}
  }
  else {
  Lcd_Out(1, 3, "No response");
  Lcd_Out(2, 1, "from the sensor");
  }
  delay_ms(1000);
  }
  }

الدائره الإلكترونيه