tones.h File Reference

Audio control for the onboard piezo buzzer. More...

#include <Arduino.h>

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Go to the source code of this file.

Macros
#define	PIEZO_BUZZER_PIN   GPIO_NUM_17
	GPIO pin to control the piezo buzzer. More...

Functions
static void	init_tones ()
	Start tones by setting GPIO pin as an OUTPUT to control the onboard piezo buzzer. More...
static void	startup_tone ()
	Used on device startup. More...
static void	shutdown_tone ()
	Used on device shutdown. More...
static void	completed_tone ()
	Command completed tone. More...
static void	message_tone ()
	BluetoothLE message received tone. More...
static void	error_tone ()
	Generic error tone. More...

Detailed Description

Audio control for the onboard piezo buzzer.

A GPIO pin is used to drive the gate of a transistor connected to an onboard piezo buzzer. Several tones are provided to enable audio feedback when the device is running.

Date

December 2022

Macro Definition Documentation

PIEZO_BUZZER_PIN

#define PIEZO_BUZZER_PIN   GPIO_NUM_17

GPIO pin to control the piezo buzzer.

Function Documentation

completed_tone()

static void completed_tone ( )

static

Command completed tone.

error_tone()

static void error_tone ( )

static

Generic error tone.

init_tones()

static void init_tones ( )

static

Start tones by setting GPIO pin as an OUTPUT to control the onboard piezo buzzer.

message_tone()

static void message_tone ( )

static

BluetoothLE message received tone.

shutdown_tone()

static void shutdown_tone ( )

static

Used on device shutdown.

startup_tone()

static void startup_tone ( )

static

Used on device startup.