ardupilot/libraries/AP_HAL_ChibiOS/RCInput.h

92 lines
2.3 KiB
C
Raw Normal View History

/*
* 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/>.
*
* Code by Andrew Tridgell and Siddharth Bharat Purohit
*/
#pragma once
#include "AP_HAL_ChibiOS.h"
#include "Semaphores.h"
#ifdef HAL_RCINPUT_WITH_AP_RADIO
#include <AP_Radio/AP_Radio.h>
#endif
#if HAL_USE_ICU == TRUE
#include "SoftSigReader.h"
#include <AP_RCProtocol/AP_RCProtocol.h>
#endif
#if HAL_USE_EICU == TRUE
#include "SoftSigReaderInt.h"
#include <AP_RCProtocol/AP_RCProtocol.h>
#endif
#ifndef RC_INPUT_MAX_CHANNELS
#define RC_INPUT_MAX_CHANNELS 18
#endif
class ChibiOS::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;
int16_t get_rssi(void) override {
return _rssi;
}
bool set_override(uint8_t channel, int16_t override) override;
void clear_overrides() override;
void _timer_tick(void);
bool rc_bind(int dsmMode) override;
private:
/* override state */
uint16_t _override[RC_INPUT_MAX_CHANNELS];
uint16_t _rc_values[RC_INPUT_MAX_CHANNELS] = {0};
uint64_t _last_read;
bool _override_valid;
uint8_t _num_channels;
Semaphore rcin_mutex;
int16_t _rssi = -1;
uint32_t _rcin_timestamp_last_signal;
bool _init;
#ifdef HAL_RCINPUT_WITH_AP_RADIO
bool _radio_init;
AP_Radio *radio;
uint32_t last_radio_us;
#endif
#if HAL_USE_ICU == TRUE
ChibiOS::SoftSigReader sig_reader;
AP_RCProtocol rcin_prot;
#endif
#if HAL_USE_EICU == TRUE
ChibiOS::SoftSigReaderInt sig_reader;
AP_RCProtocol rcin_prot;
#endif
#if HAL_WITH_IO_MCU
uint32_t last_iomcu_us;
#endif
};