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Plant Monitoring Project
Dependencies: mbed SHT21_ncleee WakeUp SSD1306 DHT Adafruit_TCS34725 DS1820
main.cpp
- Committer:
- Germaint
- Date:
- 2019-10-08
- Revision:
- 2:0bfe25431e8e
- Parent:
- 1:3fc11a745984
- Child:
- 3:fc704c1d3087
File content as of revision 2:0bfe25431e8e:
#include "mbed.h" #include "DS1820.h" #include "SHT21_ncleee.h" #include "Adafruit_TCS34725.h" #include "ssd1306.h" #define I2C_SDA D4 #define I2C_SCL D5 //Serial pc(SERIAL_TX, SERIAL_RX); Serial nucleo(D1,D0); I2C i2c(I2C_SDA, I2C_SCL); SSD1306 oled(I2C_SDA, I2C_SCL); // capteur temperature sol DS1820 DS(D3); // capteur humidité sol AnalogIn capteur_humidity_sol(A0); // capteur humidité + température air SHT21 sht(&i2c); // capteur RGB Adafruit_TCS34725 RGBsens = Adafruit_TCS34725(&i2c, TCS34725_INTEGRATIONTIME_2_4MS, TCS34725_GAIN_16X); // capteur lumière AnalogIn ain(A1); // Définition de fonctions float temp_sol(void); int fct_humidity_sol(void); void fct_RGB(unsigned char *pr, unsigned char *pg, unsigned char *pb); float fct_lumiere(void); void sendDataSigfox(float tempSol, unsigned char *humSol, float tempAir, unsigned char *humAir, unsigned short *lux, unsigned char *R, unsigned char *G, unsigned char *B); void oledData(void); float temperature_sol; unsigned char humidity_sol; float temperature_air; unsigned char humidity_air; unsigned char pr, pg, pb; unsigned short lum; int main() { oled.speed (SSD1306::Medium); // set working frequency oled.init(); // initialize SSD1306 oled.cls(); // clear frame buffer oled.set_contrast(200); while(1) { temperature_sol = temp_sol(); //pc.printf("T sol = %.2f\n\r", temperature_sol); humidity_sol = fct_humidity_sol(); //pc.printf("H sol = %d\n\r", humidity_sol); temperature_air = sht.readTemp(); //pc.printf("temperature_air = %.2f\n\r", temperature_air); humidity_air = sht.readHumidity(); //pc.printf("humidity_air = %d\n\r", humidity_air); fct_RGB(&pr, &pg, &pb); //pc.printf("red=%d green=%d blue=%d\n\r", pr, pg, pb); lum = fct_lumiere(); //pc.printf("lumiere = %d\n\r", lum); oledData(); sendDataSigfox(temperature_sol, &humidity_sol, temperature_air, &humidity_air, &lum, &pr, &pg, &pb); //pc.printf("\n\r"); wait(10); } } float temp_sol() { DS.convertTemperature(true, DS1820::all_devices); if (DS.unassignedProbe(D3)){ //pc.printf( "D3 not assigned\n\r"); } return DS.temperature(); } int fct_humidity_sol(void) { float val_min = 0.377; float val_max = 0.772; float mesure, mesure_etalonnee; mesure = capteur_humidity_sol.read(); mesure_etalonnee = (1-((mesure - val_min)/(val_max - val_min)))*100; return (int) mesure_etalonnee; } void fct_RGB(unsigned char *pr, unsigned char *pg, unsigned char *pb) { int somme; uint16_t clear, red, green, blue; if (!RGBsens.begin()) { //pc.printf("No TCS34725 found ... check your connections"); while (1); // halt! } RGBsens.getRawData(&red, &green, &blue, &clear); somme = red + green + blue; *pr = red*100/somme; *pg = green*100/somme; *pb = blue*100/somme; } float fct_lumiere() { float convertedValue; float valueIn; float rawRange = 0xFFFF; // 3.3v float logRange = 5.0; // 3.3v = 10^5 lux valueIn = ain.read_u16(); float logLux = valueIn * logRange / rawRange; convertedValue = pow(10, logLux); return convertedValue; } void sendDataSigfox(float tempSol, unsigned char *humSol, float tempAir, unsigned char *humAir, unsigned short *lux, unsigned char *R, unsigned char *G, unsigned char *B){ short tempSol_short, tempAir_short; tempSol *= 10; tempAir *= 10; tempSol_short = (short) tempSol; tempAir_short = (short) tempAir; nucleo.printf("AT$SF=%04x%02x%04x%02x%04x%02x%02x%02x\r\n",tempSol_short, *humSol, tempAir_short, *humAir, *lux, *R, *G, *B); } void oledData(void){ oled.cls(); oled.locate(0,0); oled.printf("AIR T : %.1f", temperature_air); oled.locate(1,0); oled.printf("AIR H : %d", humidity_air); oled.locate(3,0); oled.printf("FLOOR T : %.1f", temperature_sol); oled.locate(4,0); oled.printf("FLOOR H : %d", humidity_sol); oled.locate(6,0); oled.printf("Light : %d", lum); oled.locate(7,0); oled.printf("R %d G %d B %d", pr, pg, pb); oled.redraw(); }