ardupilot/libraries/AP_MSP/AP_MSP_Telem_DJI.h

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/*
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/>.
DJI FPV MSP telemetry library backend
The DJI Air Unit polls the FC for the following MSP messages at around 4Hz.
Note: messages are polled in ascending hex id order.
Hex|Dec|Name
---------------------------
03 03 MSP_FC_VERSION
0a 10 MSP_NAME
54 84 MSP_OSD_CONFIG
5c 92 MSP_FILTER_CONFIG
5e 94 MSP_PID_ADVANCED
65 101 MSP_STATUS
69 105 MSP_RC
6a 106 MSP_RAW_GPS
6b 107 MSP_COMP_GPS
6c 108 MSP_ATTITUDE
6d 109 MSP_ALTITUDE
6e 110 MSP_ANALOG
6f 111 MSP_RC_TUNING
70 112 MSP_PID
82 130 MSP_BATTERY_STATE
86 134 MSP_ESC_SENSOR_DATA
96 150 MSP_STATUS_EX
f7 247 MSP_RTC
*/
#pragma once
#include "AP_MSP_Telem_Backend.h"
#if HAL_MSP_ENABLED
class AP_MSP_Telem_DJI : public AP_MSP_Telem_Backend
{
using AP_MSP_Telem_Backend::AP_MSP_Telem_Backend;
public:
bool init_uart() override;
// implementation specific helpers
bool is_scheduler_enabled() const override;
AP_SerialManager::SerialProtocol get_serial_protocol() const override { return AP_SerialManager::SerialProtocol::SerialProtocol_DJI_FPV; };
uint32_t get_osd_flight_mode_bitmask(void) override;
void hide_osd_items(void) override;
bool get_rssi(float &rssi) const override;
void update_home_pos(home_state_t &home_state) override;
void update_battery_state(battery_state_t &_battery_state) override;
void update_gps_state(gps_state_t &gps_state) override;
void update_airspeed(airspeed_state_t &airspeed_state) override;
void update_flight_mode_str(char *flight_mode_str, uint8_t size, bool wind_enabled) override;
MSP::MSPCommandResult msp_process_out_fc_variant(MSP::sbuf_t *dst) override;
MSP::MSPCommandResult msp_process_out_esc_sensor_data(MSP::sbuf_t *dst) override;
enum : uint8_t {
DJI_FLAG_ARM = 0,
DJI_FLAG_STAB,
DJI_FLAG_HOR,
DJI_FLAG_HEAD,
DJI_FLAG_FS,
DJI_FLAG_RESC,
};
};
#endif //HAL_MSP_ENABLED