ardupilot/libraries/AP_ExternalAHRS/AP_ExternalAHRS_VectorNav.h

71 lines
1.9 KiB
C++

/*
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/>.
*/
/*
suppport for serial connected AHRS systems
*/
#pragma once
#include "AP_ExternalAHRS_backend.h"
#if HAL_EXTERNAL_AHRS_ENABLED
class AP_ExternalAHRS_VectorNav : public AP_ExternalAHRS_backend {
public:
AP_ExternalAHRS_VectorNav(AP_ExternalAHRS *frontend, AP_ExternalAHRS::state_t &state);
// get serial port number, -1 for not enabled
int8_t get_port(void) const override;
// accessors for AP_AHRS
bool healthy(void) const override;
bool initialised(void) const override;
bool pre_arm_check(char *failure_msg, uint8_t failure_msg_len) const override;
void get_filter_status(nav_filter_status &status) const override;
void send_status_report(class GCS_MAVLINK &link) const override;
// check for new data
void update() override {
check_uart();
}
private:
AP_HAL::UARTDriver *uart;
int8_t port_num;
bool port_opened;
uint32_t baudrate;
void update_thread();
bool check_uart();
void process_packet1(const uint8_t *b);
void process_packet2(const uint8_t *b);
void send_config(void) const;
uint8_t *pktbuf;
uint16_t pktoffset;
uint16_t bufsize;
struct VN_packet1 *last_pkt1;
struct VN_packet2 *last_pkt2;
uint32_t last_pkt1_ms;
uint32_t last_pkt2_ms;
};
#endif // HAL_EXTERNAL_AHRS_ENABLED