Introduction

An audible alert can be built into the using using FEATURE_AUDIBLE_ALERT. This feature will make a pin go high or low, or emit a square wave tone.

Settings

#define AUDIBLE_ALERT_TYPE 1

#define AUDIBLE_ALERT_DURATION_MS 250

#define AUDIBLE_PIN_ACTIVE_STATE HIGH

#define AUDIBLE_PIN_INACTIVE_STATE LOW

#define AUDIBLE_PIN_TONE_FREQ 1000

#define AUDIBLE_ALERT_AT_STARTUP 1

#define AUDIBLE_ALERT_AT_AZ_TARGET 1

#define AUDIBLE_ALERT_AT_EL_TARGET 1

AUDIBLE_ALERT_TYPE

1 = Logic high/low (set AUDIBLE_PIN_ACTIVE_STATE and AUDIBLE_PIN_INACTIVE_STATE)

2 = Square Wave Tone (set AUDIBLE_PIN_TONE_FREQ to the tone frequency in hertz)

Pins

#define pin_audible_alert 0

Change the 0 to the pin you want to define as your audible alert pin.