ardupilot/libraries/AP_Notify/NotifyDevice.h

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#pragma once
#include <AP_Common/AP_Common.h>
#include "AP_Notify_config.h"
class AP_Notify;
class NotifyDevice {
public:
virtual ~NotifyDevice() {}
// init - initialised the device
virtual bool init(void) = 0;
// update - updates device according to timed_updated. Should be
// called at 50Hz
virtual void update() = 0;
#if AP_NOTIFY_MAVLINK_LED_CONTROL_SUPPORT_ENABLED
// handle a LED_CONTROL message, by default device ignore message
virtual void handle_led_control(const mavlink_message_t &msg) {}
#endif
// play a MML tune
virtual void play_tune(const char *tune) {}
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// RGB control
// give RGB and flash rate, used with scripting
virtual void rgb_control(uint8_t r, uint8_t g, uint8_t b, uint8_t rate_hz) {}
// RGB control multiple leds independently
// give RGB value for single led
virtual void rgb_set_id(uint8_t r, uint8_t g, uint8_t b, uint8_t id) {}
// this pointer is used to read the parameters relative to devices
const AP_Notify *pNotify;
};