ardupilot/libraries/AP_Notify/ExternalLED.h

73 lines
2.4 KiB
C++

/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
/*
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <AP_Common/AP_Common.h>
#include <AP_HAL/AP_HAL.h>
#include <AP_Param/AP_Param.h>
#include "NotifyDevice.h"
class ExternalLED: public NotifyDevice
{
public:
// constructor
ExternalLED() : _counter(0), _counter2(0), _pattern(NONE), _pattern_counter(0) {}
// initialise the LED driver
bool init(void);
// should be called at 50Hz
void update(void);
private:
enum LEDPattern {
NONE = 0,
FAST_FLASH = 1,
OSCILLATE = 2
};
/// buzzer_flag_type - bitmask of current state and ap_notify states we track
struct copterleds_flag_type {
// individual led status
uint8_t armedled_on : 1; // 1 if the armed led is currently on
uint8_t gpsled_on : 1; // 1 if the gps led is currently on
uint8_t motorled1_on : 1; // 1 if motor led #1 is currently on
uint8_t motorled2_on : 1; // 1 if motor led #2 is currently on
} _flags;
uint8_t _counter; // reduces 50hz calls to 10hz
uint8_t _counter2; // used to control steps of arming and gps leds
LEDPattern _pattern; // current pattern for motor leds
uint8_t _pattern_counter; // used to time on/off of current patter
// armed_led - set armed light on or off
void armed_led(bool on_off);
// gps_led - set gps light on or off
void gps_led(bool on_off);
// set_pattern - sets pattern for motor leds
void set_pattern(LEDPattern pattern_id);
// motor_led1, motor_led2 - set motor lights on or off
void motor_led1(bool on_off);
void motor_led2(bool on_off);
};