/*
   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/>.
*/

#include <AP_Common/AP_FWVersion.h>
#include <AP_Vehicle/AP_Vehicle_Type.h>

#include "AP_MSP.h"
#include "AP_MSP_Telem_DisplayPort.h"

#if HAL_WITH_MSP_DISPLAYPORT

extern const AP_HAL::HAL& hal;

using namespace MSP;

MSPCommandResult AP_MSP_Telem_DisplayPort::msp_process_out_api_version(sbuf_t *dst)
{
    struct {
        uint8_t proto;
        uint8_t major;
        uint8_t minor;
    } api_version;

    api_version.proto = MSP_PROTOCOL_VERSION;
    api_version.major = API_VERSION_MAJOR;
    api_version.minor = API_VERSION_MINOR;

    sbuf_write_data(dst, &api_version, sizeof(api_version));
    return MSP_RESULT_ACK;
}

MSPCommandResult AP_MSP_Telem_DisplayPort::msp_process_out_fc_version(sbuf_t *dst)
{
    struct {
        uint8_t major;
        uint8_t minor;
        uint8_t patch;
    } fc_version;

    fc_version.major = FC_VERSION_MAJOR;
    fc_version.minor = FC_VERSION_MINOR;
    fc_version.patch = FC_VERSION_PATCH_LEVEL;

    sbuf_write_data(dst, &fc_version, sizeof(fc_version));
    return MSP_RESULT_ACK;
}

MSPCommandResult AP_MSP_Telem_DisplayPort::msp_process_out_fc_variant(sbuf_t *dst)
{
    const AP_MSP *msp = AP::msp();
    if (msp == nullptr) {
        return MSP_RESULT_ERROR;
    }
    // do we use backend specific symbols table?
    if (msp->check_option(AP_MSP::MspOption::OPTION_DISPLAYPORT_BTFL_SYMBOLS)) {
        sbuf_write_data(dst, BETAFLIGHT_IDENTIFIER, FLIGHT_CONTROLLER_IDENTIFIER_LENGTH);
    } else {
        sbuf_write_data(dst, ARDUPILOT_IDENTIFIER, FLIGHT_CONTROLLER_IDENTIFIER_LENGTH);
    }

    return MSP_RESULT_ACK;
}

#endif //HAL_WITH_MSP_DISPLAYPORT