Buzzer

Buzzer functions. More...

Functions
void	start_buzzer_freq (uint32_t freq)
	Start tone. More...
void	stop_buzzer ()
	Stop tone.
void	set_buzzer (int pin1val, int pin2val)
	Set buzzer IO pins to given values. More...
void	beep_volume_up ()
	Increase tone volume.
void	beep_volume_down ()
	Decrease tone volume.
int	get_beep_volume ()
	Returns current tone volume. More...

Detailed Description

Buzzer functions.

Function Documentation

get_beep_volume()

int get_beep_volume

(

)

Returns current tone volume.

Returns

Current tone volume

set_buzzer()

void set_buzzer	(	int	pin1val,
		int	pin2val
	)

Set buzzer IO pins to given values.

Parameters

pin1val	Pin1 value
pin2val	Pin2 value

start_buzzer_freq()

void start_buzzer_freq

(

uint32_t

freq

)

Start tone.

Parameters

freq	[mHz] Tone frequency