esp_adc_cal_raw_to_voltage() function

Convert an ADC reading to voltage in mV This function converts an ADC reading to a voltage in mV based on the ADC's characteristics.

Syntax

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Summary

Declaration

Definition

uint32_t esp_adc_cal_raw_to_voltage(uint32_t adc_reading, const esp_adc_cal_characteristics_t *chars);

Argument

Description

adc_reading

ADC reading

chars

Pointer to initialized structure containing ADC characteristics

Voltage in mV

Characteristics structure must be initialized before this function is called (call esp_adc_cal_characterize())

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