hdw-battmon.c File Reference

Functions
void	initBattmon (gpio_num_t gpio)
	Initialize a oneshot analog-to-digital unit to read the battery voltage.
void	deinitBattmon (void)
	Deinitialize the analog-to-digital unit used to read the battery voltage.
void	powerDownBattmon (void)
	Power down the battery monitor.
void	powerUpBattmon (void)
	Power up the battery monitor.
int	readBattmon (void)
	Read and return the battery voltage.

Function Documentation

initBattmon()

void initBattmon

(

gpio_num_t

gpio

)

Initialize a oneshot analog-to-digital unit to read the battery voltage.

Parameters

gpio	The GPIO to initialize the ADC on

deinitBattmon()

void deinitBattmon

(

void

)

Deinitialize the analog-to-digital unit used to read the battery voltage.

powerDownBattmon()

void powerDownBattmon

(

void

)

Power down the battery monitor.

powerUpBattmon()

void powerUpBattmon

(

void

)

Power up the battery monitor.

readBattmon()

int readBattmon

(

void

)

Read and return the battery voltage.

Returns

The voltage if read, or -1 if there was an error