voltage.h File Reference

    Helper functions for reading Mulle platform board voltages.

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#include <stdint.h>

Go to the source code of this file.

Functions
uint16_t	voltage_from_raw_adc (uint16_t adc_raw)
	Scale a raw ADC reading from 0..65535 to millivolts depending on the board's VREFH, VREFL reference voltages. More...
uint16_t	voltage_read_vbat ()

Detailed Description

    Helper functions for reading Mulle platform board voltages.

Author

Joakim Gebart joaki.nosp@m.m.ge.nosp@m.bart@.nosp@m.eist.nosp@m.ec.se

Definition in file voltage.h.

Function Documentation

uint16_t voltage_from_raw_adc

(

uint16_t

adc_raw

)

Scale a raw ADC reading from 0..65535 to millivolts depending on the board's VREFH, VREFL reference voltages.

Todo:

Nitpick: Should we divide by 65535 or 65536 in the ADC conversion?

Definition at line 67 of file voltage.c.

References MULLE_ADC_VREFHL_SCALE_MILLIVOLTS, and MULLE_ADC_VREFL_MILLIVOLTS.

Referenced by voltage_read_vbat().

uint16_t voltage_read_vbat

(

)

Todo:

Use interrupts to handle AD conversions of Vbat/Vchr

Definition at line 80 of file voltage.c.

References MULLE_ADC_VBAT_ADC_NUM, and voltage_from_raw_adc().