ardupilot/libraries/AP_HAL_ESP32/RCInput.h

76 lines
2.0 KiB
C++

/*
* This file 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 file 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_HAL_ESP32.h"
#include "Semaphores.h"
#include <AP_RCProtocol/AP_RCProtocol.h>
#include "RmtSigReader.h"
#ifndef RC_INPUT_MAX_CHANNELS
#define RC_INPUT_MAX_CHANNELS 18
#endif
class ESP32::RCInput : public AP_HAL::RCInput
{
public:
void init() override;
bool new_input() override;
uint8_t num_channels() override;
uint16_t read(uint8_t ch) override;
uint8_t read(uint16_t* periods, uint8_t len) override;
/* enable or disable pulse input for RC input. This is used to
reduce load when we are decoding R/C via a UART */
void pulse_input_enable(bool enable) override;
int16_t get_rssi(void) override {
return _rssi;
}
int16_t get_rx_link_quality(void) override {
return _rx_link_quality;
}
const char *protocol() const override { return last_protocol; }
void _timer_tick(void);
bool rc_bind(int dsmMode) override;
private:
uint16_t _rc_values[RC_INPUT_MAX_CHANNELS] = {0};
uint64_t _last_read;
uint8_t _num_channels;
Semaphore rcin_mutex;
int16_t _rssi = -1;
int16_t _rx_link_quality = -1;
uint32_t _rcin_timestamp_last_signal;
bool _init;
const char *last_protocol;
enum class RCSource {
NONE = 0,
IOMCU = 1,
RCPROT_PULSES = 2,
RCPROT_BYTES = 3,
} last_source;
bool pulse_input_enabled;
ESP32::RmtSigReader sig_reader;
};