Steven Ea / Mbed OS projet_B-Hive

delay 10s

Dependencies:   HX711 DHT DS1820

main.cpp@4:809b9c3a1739, 2020-11-22 (annotated)

Committer:
nextzero
Date:
Sun Nov 22 17:43:42 2020 +0000
Revision:
4:809b9c3a1739
Parent:
3:91c06faa6963
Child:
5:df7af32714c0
bruh;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ismatel77 0:2e0fc2c1e24c 1 #include "mbed.h"
ismatel77 0:2e0fc2c1e24c 2 #include "DHT.h"
ismatel77 0:2e0fc2c1e24c 3 #include "DS1820.h"
ismatel77 0:2e0fc2c1e24c 4
ismatel77 0:2e0fc2c1e24c 5 #define DHT_DATA_PIN D4
nextzero 3:91c06faa6963 6 #define DHT_DATA_PIN D5
ismatel77 0:2e0fc2c1e24c 7
nextzero 3:91c06faa6963 8
nextzero 3:91c06faa6963 9 DS1820 ds1820_1(D3); // substitute D8 with the actual pin name connected to the DS1820 sensor
nextzero 3:91c06faa6963 10 DS1820 ds1820_2(D6);
nextzero 4:809b9c3a1739 11 float temp1 = 0;
nextzero 4:809b9c3a1739 12 float temp2 = 0;
ismatel77 0:2e0fc2c1e24c 13 int result = 0;
ismatel77 0:2e0fc2c1e24c 14
nextzero 3:91c06faa6963 15 DHT sensor1(DHT_DATA_PIN, DHT22); //DHT(PinName pin, eType DHTtype)
nextzero 3:91c06faa6963 16 DHT sensor2(DHT_DATA_PIN, DHT22); //DHT(PinName pin, eType DHTtype)
nextzero 3:91c06faa6963 17 HX711 loadcell(D12, D11);
nextzero 3:91c06faa6963 18
ismatel77 0:2e0fc2c1e24c 19 Serial pc(USBTX, USBRX); // tx, rx
ismatel77 0:2e0fc2c1e24c 20 Serial device(D1, D0); // tx, rx
ismatel77 0:2e0fc2c1e24c 21
ismatel77 0:2e0fc2c1e24c 22 int main()
ismatel77 0:2e0fc2c1e24c 23 {
ismatel77 0:2e0fc2c1e24c 24 int error = 0;
ismatel77 0:2e0fc2c1e24c 25 float h = 0.0f, c = 0.0f;
ismatel77 0:2e0fc2c1e24c 26 pc.baud(9600);
ismatel77 0:2e0fc2c1e24c 27 device.baud(9600);
ismatel77 0:2e0fc2c1e24c 28
nextzero 3:91c06faa6963 29 if (!ds1820_1.begin()){
ismatel77 0:2e0fc2c1e24c 30 pc.printf("No DS1820 sensor found!\r\n");
ismatel77 0:2e0fc2c1e24c 31 }
ismatel77 0:2e0fc2c1e24c 32 else{
ismatel77 0:2e0fc2c1e24c 33 pc.printf("DS1820 sensor found!\r\n");
ismatel77 0:2e0fc2c1e24c 34 }
ismatel77 0:2e0fc2c1e24c 35
nextzero 3:91c06faa6963 36 float valeurTare = loadcell.getValue();
nextzero 3:91c06faa6963 37
ismatel77 0:2e0fc2c1e24c 38 while(1) {
nextzero 3:91c06faa6963 39 float valeur = loadcell.getValue();
nextzero 3:91c06faa6963 40 float balance = ((double)valeur - (double)valeurTare)/21500;
nextzero 3:91c06faa6963 41 //pc.printf("Weight = %.2f\r\n", balance);
ismatel77 0:2e0fc2c1e24c 42
nextzero 3:91c06faa6963 43 ds1820_1.startConversion(); // start temperature conversion from analog to digital
nextzero 3:91c06faa6963 44 ds1820_2.startConversion(); // start temperature conversion from analog to digital
ismatel77 0:2e0fc2c1e24c 45 ThisThread::sleep_for(1000);// let DS1820 complete the temperature conversion
nextzero 3:91c06faa6963 46
nextzero 4:809b9c3a1739 47 result = ds1820_1.read(temp1); // read temperature from DS1820 and perform cyclic redundancy check (CRC)
nextzero 4:809b9c3a1739 48 result = ds1820_2.read(temp1);
nextzero 3:91c06faa6963 49
nextzero 3:91c06faa6963 50 error1 = sensor1.readData(); //read error value
nextzero 3:91c06faa6963 51 error2 = sensor2.readData(); //read error value
ismatel77 0:2e0fc2c1e24c 52
nextzero 4:809b9c3a1739 53 c_int = sensor1.ReadTemperature(CELCIUS);
nextzero 4:809b9c3a1739 54 h_int = sensor1.ReadHumidity();
nextzero 4:809b9c3a1739 55
nextzero 4:809b9c3a1739 56 c_ext = sensor2.ReadTemperature(CELCIUS);
nextzero 4:809b9c3a1739 57 h_ext = sensor2.ReadHumidity();
nextzero 3:91c06faa6963 58
nextzero 4:809b9c3a1739 59 c_moyenne_int =(c_int + temp1 + temp2)/3;
nextzero 4:809b9c3a1739 60
nextzero 4:809b9c3a1739 61 // pc.printf("temperature = %4.2f\r\n", c); // on affiche les valeurs sur teraTerm pour debug
nextzero 4:809b9c3a1739 62 //pc.printf("Humidite = %4.2f\r\n", h);
nextzero 3:91c06faa6963 63
nextzero 3:91c06faa6963 64
nextzero 4:809b9c3a1739 65 device.printf("AT$SF=%02X%02X%02X%02X\r\n", (char) c_moyenne_int,(char) h_int, (char) c_ext, (char) h_ext,(char) balance); // on envoie les données sur l'antenne
nextzero 1:b811fd6ee6f5 66 wait(10.0f);
ismatel77 0:2e0fc2c1e24c 67 }
ismatel77 0:2e0fc2c1e24c 68 }