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AdcReport (UORB message)

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uint64 timestamp        # time since system start (microseconds)
uint32 device_id        # unique device ID for the sensor that does not change between power cycles
int16[12] channel_id        # ADC channel IDs, negative for non-existent, TODO: should be kept same as array index
int32[12] raw_data      # ADC channel raw value, accept negative value, valid if channel ID is positive
uint32 resolution       # ADC channel resolution
float32 v_ref           # ADC channel voltage reference, use to calculate LSB voltage(lsb=scale/resolution)