St-connect
Dependencies: HP206C mbed WakeUp QMC5883L DHT22 DS1820
- ST Conect Project Look how we did it : [Hackster](https://www.hackster.io/monginjulien/st-connect-dike-monitoring-534a32)
Diff: main.cpp
- Revision:
- 6:865aa63f2106
- Parent:
- 5:d805b1c2dc1e
- Child:
- 7:036d9a2accff
--- a/main.cpp Mon Oct 15 07:36:13 2018 +0000 +++ b/main.cpp Mon Oct 22 09:22:05 2018 +0000 @@ -4,15 +4,9 @@ #include "HP20x_dev.h" #include "DS1820.h" #include "QMC5883L.h" +#define MESSAGE_SIZE 32 +#define TRAME_SIZE 25 -#define X_MSB 0x03 -#define X_LSB 0x04 -#define Z_MSB 0x05 -#define Z_LSB 0x06 -#define Y_MSB 0x07 -#define Y_LSB 0x08 -#define ADDR_MAGN_W 0x3C -#define ADDR_MAGN_R 0x3D #define DEBUG 1 // #define SEND_SIGFOX 1 @@ -28,7 +22,7 @@ DHT22 capt_thermo_air_humidity(D3); // DHT22 Serial sigfox(D1, D0); -char message[20] = {}; +char message[MESSAGE_SIZE] = "AT$SF="; long pressure = 10000; float air_temperature = 20.0; @@ -41,6 +35,75 @@ { } +int16_t round(float f) +{ + int16_t res = (int16_t)f; + if (f - res > 1/2) + res++; + + return res; +} + +void format(float v_ground_temperature, float v_air_temperature, float v_ground_humidity, float v_air_humidity, long v_pressure, int16_t* v_magnetic_field, char* v_trame) +{ + int16_t i_ground_temperature = (int16_t) round(v_ground_temperature * 10); + int16_t i_air_temperature = (int16_t) round(v_air_temperature * 10); + int16_t i_ground_humidity = (int16_t) round(v_ground_humidity); + int16_t i_air_humidity = (int16_t) round(v_air_humidity); + int32_t i_pressure = (int32_t) v_pressure; + bool err[3] = {false, false, false}; // x,y,z + + // Checking if the values are in the range + if(!(i_ground_temperature >= -512 && i_ground_temperature < 511)) + i_ground_temperature = -512; + + if(!(i_air_temperature >= -512 && i_air_temperature < 511)) + i_air_temperature = -512; + + if(!(i_ground_humidity <= 100)) + i_ground_humidity = 127; + + if(!(i_air_humidity <= 100)) + i_air_humidity = 127; + + if(!(i_pressure <= 131071)) + i_pressure = 0; + + unsigned int i; + for(i = 0; i < 3; i++) + { + if(!(v_magnetic_field[i] > -65536 && v_magnetic_field[i] < 65535)) + err[i] = true; + } + + snprintf(v_trame, TRAME_SIZE, "%02x", (char)(i_ground_temperature >> 2)); + snprintf(v_trame, TRAME_SIZE, "%s%02x", v_trame, (char)((i_ground_temperature << 6) | ((i_air_temperature >> 4) & 0x3f))); + snprintf(v_trame, TRAME_SIZE, "%s%02x", v_trame, (char)((i_air_temperature << 4) | ((i_ground_humidity >> 3) & 0x0f))); + snprintf(v_trame, TRAME_SIZE, "%s%02x", v_trame, (char)((i_ground_humidity << 5) | ((i_air_humidity >> 2) & 0x1f))); + snprintf(v_trame, TRAME_SIZE, "%s%02x", v_trame, (char)((i_air_humidity << 6) | ((i_pressure >> 11) & 0x3f))); + snprintf(v_trame, TRAME_SIZE, "%s%02x", v_trame, (char)(i_pressure >> 3)); + snprintf(v_trame, TRAME_SIZE, "%s%02x", v_trame, (char)((i_pressure << 5) | ((v_magnetic_field[0] >> 9) & 0x1f))); + snprintf(v_trame, TRAME_SIZE, "%s%02x", v_trame, (char)(v_magnetic_field[0] >> 1)); + snprintf(v_trame, TRAME_SIZE, "%s%02x", v_trame, (char)((v_magnetic_field[0] << 7) | ((v_magnetic_field[1] >> 7) & 0x7f))); + snprintf(v_trame, TRAME_SIZE, "%s%02x", v_trame, (char)((v_magnetic_field[1] << 1) | ((v_magnetic_field[2] >> 13) & 0x01))); + snprintf(v_trame, TRAME_SIZE, "%s%02x", v_trame, (char)(v_magnetic_field[2] >> 5)); + snprintf(v_trame, TRAME_SIZE, "%s%02x", v_trame, (char)((v_magnetic_field[2] << 3) | (err[0] << 2) | (err[1] << 1) | (err[2]))); + /* + v_trame[0] = i_ground_temperature >> 2; + v_trame[1] = (i_ground_temperature << 6) | ((i_air_temperature >> 4) & 0x3f); + v_trame[2] = (i_air_temperature << 4) | ((i_ground_humidity >> 3) & 0x0f); + v_trame[3] = (i_ground_humidity << 5) | ((i_air_humidity >> 2) & 0x1f); + v_trame[4] = (i_air_humidity << 6) | ((i_pressure >> 11) & 0x3f); + v_trame[5] = (i_pressure >> 3); + v_trame[6] = (i_pressure << 5) | ((v_magnetic_field[0] >> 9) & 0x1f); + v_trame[7] = (v_magnetic_field[0] >> 1); + v_trame[8] = (v_magnetic_field[0] << 7) | ((v_magnetic_field[1] >> 7) & 0x7f); + v_trame[9] = (v_magnetic_field[1] << 1) | ((v_magnetic_field[2] >> 13) & 0x01); + v_trame[10] = (v_magnetic_field[2] >> 5); + v_trame[11] = (v_magnetic_field[2] << 3) | (err[0] << 2) | (err[1] << 1) | (err[2]); + */ +} + int main() { sigfox.printf("\r\n"); @@ -55,7 +118,7 @@ ground_temperature = capt_ground_temperature.temperature(); // Humidite Sol - ground_humidity = capt_ground_humidity.read(); + ground_humidity = capt_ground_humidity.read() * 100; // Temperature et Humidite Air if(capt_thermo_air_humidity.sample()) @@ -78,20 +141,23 @@ pc.printf("\r\n"); pc.printf("Pressure: %f hPa\r\n", pressure/100.0); pc.printf("Ground Temperature: %f\t|\t", ground_temperature); - pc.printf("Ground Humidity: %.1f\r\n", ground_humidity*100); + pc.printf("Ground Humidity: %.1f\r\n", ground_humidity); pc.printf("Air Temperature: %.1f\t|\tAir Humidity: %.1f\r\n", air_temperature, air_humidity); pc.printf("Magnetic field: x: %hd, y: %hd, z: %hd\r\n", magnetic_field[0], magnetic_field[1], magnetic_field[2]); #endif // Envoie sigfox - sprintf(message, "AT$SF=%04x%02x\r\n", (int)(air_temperature*10), (int)(air_humidity)); + format(ground_temperature, air_temperature, ground_humidity, air_humidity, pressure, magnetic_field, &(message[6])); + message[MESSAGE_SIZE-2] = '\r'; + message[MESSAGE_SIZE-1] = '\n'; #ifdef DEBUG - pc.printf("%s", message); + pc.printf("msg=%s", message); #endif #ifdef SEND_SIGFOX sigfox.printf("%s", message); #endif + // DEEPSLEEP /* WakeUp::set_ms(10000); @@ -100,4 +166,4 @@ */ wait(5); } -} +} \ No newline at end of file