oups j'ai oublié un truc :)
mieux comme cela
#include <DallasTemperature.h> #include <OneWire.h> #include <LiquidCrystal.h> #include <Wire.h> #include <Adafruit_BMP085.h>
// Data wire is plugged into port 2 on the Arduino #define ONE_WIRE_BUS 2
// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs) OneWire oneWire(ONE_WIRE_BUS);
// Pass our oneWire reference to Dallas Temperature. DallasTemperature sensors(&oneWire);
// initialize the library with the numbers of the interface pins LiquidCrystal lcd(13, 12, 7, 6, 5, 4);
Adafruit_BMP085 bmp;
float Temp; int Alti; float Pression;
void Lecture_Capteur() { // Lecture Température Temp = bmp.readTemperature(); delay(200); Alti = bmp.readAltitude(101500); delay(200); Pression = (bmp.readPressure()*0.01) }
void majlcd() { lcd.clear(); lcd.setCursor(0,0); lcd.print("Temp: "); lcd.print(Temp); lcd.setCursor(0,1); lcd.print("Altitude: "); lcd.print(Alti); lcd.setCursor(0,2); lcd.print("Pression: "); lcd.print(Pression); lcd.print(" hPa");
}
void setup() { Serial.begin(9600); Serial.println("Bonjour Laurent F5IDF !");
// gestion du lcd lcd.begin(20,4); lcd.setCursor(0, 1); lcd.print("Bonjour Laurent F5IDF !"); lcd.setCursor(0, 2); lcd.print("!!! Initialisation !!!");
if (!bmp.begin()) { Serial.println("Dallas Temperature IC Control Library Demo"); while (1) {} // Si PB a suprimmer !! } else { Serial.println("Could not find a valid BMP085 sensor, check wiring!"); } sensors.begin(); delay(2000); lcd.clear(); }
void loop() {
Lecture_Capteur();
Serial.print("Temperature = "); // Serial.print(bmp.readTemperature()); Serial.print(Temp); Serial.println(" *C");
Serial.print("Pressure = "); // Serial.print(bmp.readPressure()*0.01); Serial.print(Pression); Serial.println(" hPa");
// Calculate altitude assuming 'standard' barometric // pressure of 1013.25 millibar = 101325 Pascal Serial.print("Altitude = "); // Serial.print(bmp.readAltitude()); Serial.print(Alti); Serial.println(" meters");
Serial.print("Pressure at sealevel (calculated) = "); Serial.print(bmp.readSealevelPressure()*0.01+34.74); Serial.println(" Pa");
// you can get a more precise measurement of altitude // if you know the current sea level pressure which will // vary with weather and such. If it is 1015 millibars // that is equal to 101500 Pascals. Serial.print("Real altitude = "); Serial.print(bmp.readAltitude(101500)-50); Serial.println(" meters"); /* lcd.print("BARO:"); lcd.print(bmp.readSealevelPressure()*0.01+34.74); */
majlcd()
// call sensors.requestTemperatures() to issue a global temperature // request to all devices on the bus Serial.print("Requesting temperatures..."); sensors.requestTemperatures(); // Send the command to get temperatures Serial.println("Temperature ext:"); Serial.println(sensors.getTempCByIndex(0));
delay(10000);
}