diff options
| -rw-r--r-- | apps/sensors/sensors.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/apps/sensors/sensors.cpp b/apps/sensors/sensors.cpp index b5badec71..becd32f7d 100644 --- a/apps/sensors/sensors.cpp +++ b/apps/sensors/sensors.cpp @@ -998,16 +998,16 @@ Sensors::adc_poll(struct sensor_combined_s &raw) /* read all channels available */ int ret = read(_fd_adc, &buf_adc, sizeof(buf_adc)); - /* look for battery channel */ - for (unsigned i = 0; i < sizeof(buf_adc) / sizeof(buf_adc[0]); i++) { if (ret >= (int)sizeof(buf_adc[0])) { + /* Save raw voltage values */ if (i < (sizeof(raw.adc_voltage_v)) / sizeof(raw.adc_voltage_v[0])) { - raw.adc_voltage_v[i] = buf_adc[i].am_data; + raw.adc_voltage_v[i] = buf_adc[i].am_data / (4096.0f / 3.3f); } + /* look for specific channels and process the raw voltage to measurement data */ if (ADC_BATTERY_VOLTAGE_CHANNEL == buf_adc[i].am_channel) { /* Voltage in volts */ float voltage = (buf_adc[i].am_data * _parameters.battery_voltage_scaling); |