Notes en vrac, pour plus tard :
void PP_SIGFOX_StartupMessage (float windSpeed, float windHeading) { message[0]= SIGFOX_STARTUP_MESSAGE | EncodeWindHeading(windHeading); message[1]=EncodeWindSpeed(windSpeed); message[2]=TD_MEASURE_VoltageTemperature(false); //voltage // embed compilation date in startup message //MMM DD YYYY //01234567890 message[3]=__DATE__[0]; message[4]=__DATE__[1]; message[5]=__DATE__[2]; message[6]=__DATE__[4]; message[7]=__DATE__[5]; message[8]=__DATE__[9]; message[9]=__DATE__[10]; SIGFOX_SEND(message, 10); } voltage in 1/10s of mV plus 2 V if MSB is 0, or plus 3 V if MSB is 1. if (measure >= 3000) { msb = 0x80; measure -= 3000; } else { msb = 0x00; measure -= 2000; } // Divide by 10 with proper rounding measure /= 5; return (measure & 1) ? (measure >> 1) + 1 + msb : (measure >> 1) + msb; voltage in 1/10s of mV plus 2 V if MSB is 0, or plus 3 V if MSB is 1. static uint8_t EncodeVoltage(float milliVolts) { return (uint8_t)(float)((milliVolts / 10. + 0.5) - 200.); } TD_MEASURE_VoltageTemperatureExtended(false); * @return * The measured temperature is given in 1/10 degrees Celsius, the power supply * voltage is given in mV. return (uint8_t)(float)((milliVolts / 10. + 0.5) - 200.); static void ProbeVoltage () { int32_t voltage = TD_MEASURE_VoltageTemperatureExtended(false); if (voltage == 2000) return; // = reading has failed ? if (voltage < voltageMin) voltageMin = voltage; if (voltage > voltageMax) voltageMax = voltage; voltageAvg += voltage; voltageCount++; }