ardupilot/libraries/AP_Camera/AP_Camera_Logging.cpp

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#include "AP_Camera.h"
#include <AP_Logger/AP_Logger.h>
// Write a Camera packet
void AP_Camera::Write_CameraInfo(enum LogMessages msg, uint64_t timestamp_us)
{
const AP_AHRS &ahrs = AP::ahrs();
Location current_loc;
if (!ahrs.get_position(current_loc)) {
// completely ignore this failure! AHRS will provide its best guess.
}
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int32_t altitude, altitude_rel, altitude_gps;
if (current_loc.relative_alt) {
altitude = current_loc.alt+ahrs.get_home().alt;
altitude_rel = current_loc.alt;
} else {
altitude = current_loc.alt;
altitude_rel = current_loc.alt - ahrs.get_home().alt;
}
const AP_GPS &gps = AP::gps();
if (gps.status() >= AP_GPS::GPS_OK_FIX_3D) {
altitude_gps = gps.location().alt;
} else {
altitude_gps = 0;
}
const struct log_Camera pkt{
LOG_PACKET_HEADER_INIT(static_cast<uint8_t>(msg)),
time_us : timestamp_us?timestamp_us:AP_HAL::micros64(),
gps_time : gps.time_week_ms(),
gps_week : gps.time_week(),
latitude : current_loc.lat,
longitude : current_loc.lng,
altitude : altitude,
altitude_rel: altitude_rel,
altitude_gps: altitude_gps,
roll : (int16_t)ahrs.roll_sensor,
pitch : (int16_t)ahrs.pitch_sensor,
yaw : (uint16_t)ahrs.yaw_sensor
};
AP::logger().WriteCriticalBlock(&pkt, sizeof(pkt));
}
// Write a Camera packet
void AP_Camera::Write_Camera(uint64_t timestamp_us)
{
Write_CameraInfo(LOG_CAMERA_MSG, timestamp_us);
}
// Write a Trigger packet
void AP_Camera::Write_Trigger(void)
{
Write_CameraInfo(LOG_TRIGGER_MSG, 0);
}