tachometer.c
057403177fbcsimple-adc-acquire

tachometer.c
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			#include "tachometer.h"

			AdcChannel tac_channel;

			/**
			* @brief Initialize the tachometer driver.
			* @param channel: the ADC channel the tachometer is wired to (0 or 1).
			*/
			void tac_Init(AdcChannel channel)
			{
			tac_channel = channel;
			}

			/**
			* @brief Return the measured paddle angular speed.
			* @retval The paddle angular speed [deg/s].
			*/
			float32_t tac_Get(void)
			{
			float32_t voltage = adc_GetChannelVoltage(tac_channel, ADC_SCALE_2_V);

			// Conversion from voltage to angular speed.
			return voltage * TAC_VOLTAGE_TO_RPM;
			}