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Kód: Egész kijelölése
#include <OneWire.h>
// OneWire DS18S20, DS18B20, DS1822 Temperature Example
//
// http://www.pjrc.com/teensy/td_libs_OneWire.html
//
// The DallasTemperature library can do all this work for you!
// http://milesburton.com/Dallas_Temperature_Control_Library
OneWire ds(10); // on pin 10
void setup(void) {
Serial.begin(9600);
}
void loop(void) {
byte i;
byte present = 0;
byte type_s;
byte data[12];
byte addr[8];
float celsius, fahrenheit;
if ( !ds.search(addr)) {
Serial.println("No more addresses.");
Serial.println();
ds.reset_search();
delay(250);
return;
}
Serial.print("ROM =");
for( i = 0; i < 8; i++) {
Serial.write(' ');
Serial.print(addr[i], HEX);
}
if (OneWire::crc8(addr, 7) != addr[7]) {
Serial.println("CRC is not valid!");
return;
}
Serial.println();
// the first ROM byte indicates which chip
switch (addr[0]) {
case 0x10:
Serial.println(" Chip = DS18S20"); // or old DS1820
type_s = 1;
break;
case 0x28:
Serial.println(" Chip = DS18B20");
type_s = 0;
break;
case 0x22:
Serial.println(" Chip = DS1822");
type_s = 0;
break;
default:
Serial.println("Device is not a DS18x20 family device.");
return;
}
ds.reset();
ds.select(addr);
ds.write(0x44,1); // start conversion, with parasite power on at the end
delay(1000); // maybe 750ms is enough, maybe not
// we might do a ds.depower() here, but the reset will take care of it.
present = ds.reset();
ds.select(addr);
ds.write(0xBE); // Read Scratchpad
Serial.print(" Data = ");
Serial.print(present,HEX);
Serial.print(" ");
for ( i = 0; i < 9; i++) { // we need 9 bytes
data[i] = ds.read();
Serial.print(data[i], HEX);
Serial.print(" ");
}
Serial.print(" CRC=");
Serial.print(OneWire::crc8(data, 8), HEX);
Serial.println();
// convert the data to actual temperature
unsigned int raw = (data[1] << 8) | data[0];
if (type_s) {
raw = raw << 3; // 9 bit resolution default
if (data[7] == 0x10) {
// count remain gives full 12 bit resolution
raw = (raw & 0xFFF0) + 12 - data[6];
}
} else {
byte cfg = (data[4] & 0x60);
if (cfg == 0x00) raw = raw << 3; // 9 bit resolution, 93.75 ms
else if (cfg == 0x20) raw = raw << 2; // 10 bit res, 187.5 ms
else if (cfg == 0x40) raw = raw << 1; // 11 bit res, 375 ms
// default is 12 bit resolution, 750 ms conversion time
}
celsius = (float)raw / 16.0;
fahrenheit = celsius * 1.8 + 32.0;
Serial.print(" Temperature = ");
Serial.print(celsius);
Serial.print(" Celsius, ");
Serial.print(fahrenheit);
Serial.println(" Fahrenheit");
}Kód: Egész kijelölése
'-------------------------------------------------------------------------------
' Senzor keresése
'-------------------------------------------------------------------------------
W = 1wirecount()
Dsid1(1) = 1wsearchfirst()
Dsid2(1) = 1wsearchnext()
Dsid3(1) = 1wsearchnext()
'-------------------------------------------------------------------------------
' A beolvasott CRC egyeztetés
'-------------------------------------------------------------------------------
Cls
If Dsid1(8) = Crc8(dsid1(1) , 7) Then
Locate 2 , 1
Lcd "Pult szenzor OK"
Locate 2 , 1
For B = 1 To 8
Lcd Hex(dsid1(b))
Next
End If
Waitms 50
If Dsid2(8) = Crc8(dsid2(1) , 7) Then
Locate 3 , 1
Lcd "CRC Sensor 2 OK"
Wait 1
Locate 3 , 1
For B = 1 To 8
Lcd Hex(dsid2(b))
Next
End If
Waitms 50
If Dsid3(8) = Crc8(dsid3(1) , 7) Then
Locate 4 , 1
Lcd "huto2 szenzor OK"
Locate 4 , 1
For B = 1 To 8
Lcd Hex(dsid2(b))
Next
End If
Wait 1
Indul:
Cls
Locate 2 , 1
Lcd "Pult : " ; "C"
Locate 1 , 1
Lcd "Beall. : " ; "C"
Locate 3 , 1
Lcd "Huto1 : " ; "C"
Locate 4 , 1
Lcd "Huto2 : " ; "C"
'-------------------------------------------------------------------------------
' Főprogram
'-------------------------------------------------------------------------------
Kezd:
Do
Incr Compresszor
If Compresszor = 50 Then Compresszor = 10
' pult senzor
Convallt
Waitus 200 : Waitus 200 : Waitus 200 : Waitus 200
1wverify Dsid2(1)
Locate 2 , 1
If Err = 1 Then
Lcd "Huto 1 szenzor hiba "
Goto Indul
Elseif Err = 0 Then
1wwrite &HBE
Sc(1) = 1wread(9)
If Sc(9) = Crc8(sc(1) , 8) Then
Dg = Decigrades(sc(9))
Locate 3 , 14
Lcd Hok ; " "
' Print Hok
End If
End If
1wverify Dsid3(1)
Locate 3 , 1
If Err = 1 Then
Lcd "Huto2 szenzor hiba "
Goto Indul
Elseif Err = 0 Then
1wwrite &HBE
Sc(1) = 1wread(9)
If Sc(9) = Crc8(sc(1) , 8) Then
Dg = Decigrades(sc(9))
Locate 4 , 14
Lcd Hok ; " "
' Print Hok
End If
End If
1wverify Dsid1(1)
Locate 2 , 1
If Err = 1 Then
Lcd "Pult szenzor hiba "
Goto Indul
Elseif Err = 0 Then
1wwrite &HBE
Sc(1) = 1wread(9)
If Sc(9) = Crc8(sc(1) , 8) Then
Dg = Decigrades(sc(9))
Locate 2 , 14
Lcd Hok ; " "
Print Hok ; " C"
Locate 1 , 14
Lcd Befok ; " "
End If
End If
'-------------------------------------------------------------------------------
' Ha a hőmérséklet a beállított érték felé nő akkor kapcsol a relé.
'-------------------------------------------------------------------------------
If Dg > K Then Goto Megy Else Goto All
Loop
End 'end program
'-------------------------------------------------------------------------------
' Konvertálás
'-------------------------------------------------------------------------------
Sub Convallt
1wreset
1wwrite &HCC
1wwrite &H44
End Sub
Function Decigrades(byval Sc(9) As Byte)
Decigrades = 0
Decigrades = Makeint(sc(1) , Sc(2))
Decigrades = Decigrades * 10
Decigrades = Decigrades / 16
Ho = 0
Ho = Dg / 10
Hok = Fusing(ho , "00.0")
Ho = Val(hok)
Be_fok = Beall_temp / 10
Befok = Fusing(be_fok , "00.0")
End FunctionKód: Egész kijelölése
Waitus 200 : Waitus 200 : Waitus 200 : Waitus 200Kód: Egész kijelölése
Waitms 800Kód: Egész kijelölése
1wverify hőmérőazonosítóKód: Egész kijelölése
W = 1wirecount()
Dsid1(1) = 1wsearchfirst()
Dsid2(1) = 1wsearchnext()
Dsid3(1) = 1wsearchnext()Kód: Egész kijelölése
1wwerify dsid1(1)
kiolvasás
1wwerify dsid2(1)
kiolvasás
1wwerify dsid3(1)
kiolvasás