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ardupilot/ArduPlane/system.cpp

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#include "Plane.h"
/*****************************************************************************
* The init_ardupilot function processes everything we need for an in - air restart
* We will determine later if we are actually on the ground and process a
* ground start in that case.
*
*****************************************************************************/
static void mavlink_delay_cb_static()
{
plane.mavlink_delay_cb();
}
static void failsafe_check_static()
{
plane.failsafe_check();
}
void Plane::init_ardupilot()
{
// initialise serial port
serial_manager.init_console();
hal.console->printf("\n\nInit %s"
"\n\nFree RAM: %u\n",
fwver.fw_string,
(unsigned)hal.util->available_memory());
//
// Check the EEPROM format version before loading any parameters from EEPROM
//
load_parameters();
// initialise stats module
g2.stats.init();
#if HIL_SUPPORT
if (g.hil_mode == 1) {
// set sensors to HIL mode
ins.set_hil_mode();
compass.set_hil_mode();
barometer.set_hil_mode();
}
#endif
ins.set_log_raw_bit(MASK_LOG_IMU_RAW);
set_control_channels();
#if HAVE_PX4_MIXER
if (!quadplane.enable) {
// this must be before BoardConfig.init() so if
// BRD_SAFETYENABLE==0 then we don't have safety off yet. For
// quadplanes we wait till AP_Motors is initialised
for (uint8_t tries=0; tries<10; tries++) {
if (setup_failsafe_mixing()) {
break;
}
hal.scheduler->delay(10);
}
}
#endif
gcs().set_dataflash(&DataFlash);
mavlink_system.sysid = g.sysid_this_mav;
// initialise serial ports
serial_manager.init();
gcs().chan(0).setup_uart(serial_manager, AP_SerialManager::SerialProtocol_MAVLink, 0);
// Register mavlink_delay_cb, which will run anytime you have
// more than 5ms remaining in your call to hal.scheduler->delay
hal.scheduler->register_delay_callback(mavlink_delay_cb_static, 5);
// setup any board specific drivers
BoardConfig.init();
#if HAL_WITH_UAVCAN
BoardConfig_CAN.init();
#endif
relay.init();
// initialise notify system
notify.init(false);
notify_flight_mode(control_mode);
init_rc_out_main();
// allow servo set on all channels except first 4
ServoRelayEvents.set_channel_mask(0xFFF0);
// keep a record of how many resets have happened. This can be
// used to detect in-flight resets
g.num_resets.set_and_save(g.num_resets+1);
// init baro
barometer.init();
// initialise rangefinder
init_rangefinder();
// initialise battery monitoring
battery.init();
rpm_sensor.init();
// setup telem slots with serial ports
gcs().setup_uarts(serial_manager);
// setup frsky
#if FRSKY_TELEM_ENABLED == ENABLED
// setup frsky, and pass a number of parameters to the library
frsky_telemetry.init(serial_manager, fwver.fw_string,
MAV_TYPE_FIXED_WING,
&g.fs_batt_voltage, &g.fs_batt_mah);
#endif
#if LOGGING_ENABLED == ENABLED
log_init();
#endif
// initialise airspeed sensor
airspeed.init();
if (g.compass_enabled==true) {
bool compass_ok = compass.init() && compass.read();
#if HIL_SUPPORT
if (g.hil_mode != 0) {
compass_ok = true;
}
#endif
if (!compass_ok) {
hal.console->printf("Compass initialisation failed!\n");
g.compass_enabled = false;
} else {
ahrs.set_compass(&compass);
}
}
#if OPTFLOW == ENABLED
// make optflow available to libraries
if (optflow.enabled()) {
ahrs.set_optflow(&optflow);
}
#endif
// give AHRS the airspeed sensor
ahrs.set_airspeed(&airspeed);
// GPS Initialization
gps.set_log_gps_bit(MASK_LOG_GPS);
gps.init(serial_manager);
init_rc_in(); // sets up rc channels from radio
#if MOUNT == ENABLED
// initialise camera mount
camera_mount.init(serial_manager);
#endif
#if FENCE_TRIGGERED_PIN > 0
hal.gpio->pinMode(FENCE_TRIGGERED_PIN, HAL_GPIO_OUTPUT);
hal.gpio->write(FENCE_TRIGGERED_PIN, 0);
#endif
/*
* setup the 'main loop is dead' check. Note that this relies on
* the RC library being initialised.
*/
hal.scheduler->register_timer_failsafe(failsafe_check_static, 1000);
init_capabilities();
quadplane.setup();
AP_Param::reload_defaults_file();
startup_ground();
// don't initialise aux rc output until after quadplane is setup as
// that can change initial values of channels
init_rc_out_aux();
// choose the nav controller
set_nav_controller();
set_mode((FlightMode)g.initial_mode.get(), MODE_REASON_UNKNOWN);
// set the correct flight mode
// ---------------------------
reset_control_switch();
// initialise sensor
#if OPTFLOW == ENABLED
if (optflow.enabled()) {
optflow.init();
}
#endif
// disable safety if requested
BoardConfig.init_safety();
}
//********************************************************************************
//This function does all the calibrations, etc. that we need during a ground start
//********************************************************************************
void Plane::startup_ground(void)
{
set_mode(INITIALISING, MODE_REASON_UNKNOWN);
#if (GROUND_START_DELAY > 0)
gcs().send_text(MAV_SEVERITY_NOTICE,"Ground start with delay");
delay(GROUND_START_DELAY * 1000);
#else
gcs().send_text(MAV_SEVERITY_INFO,"Ground start");
#endif
//INS ground start
//------------------------
//
startup_INS_ground();
// Save the settings for in-air restart
// ------------------------------------
//save_EEPROM_groundstart();
// initialise mission library
mission.init();
// initialise DataFlash library
DataFlash.set_mission(&mission);
DataFlash.setVehicle_Startup_Log_Writer(
FUNCTOR_BIND(&plane, &Plane::Log_Write_Vehicle_Startup_Messages, void)
);
// reset last heartbeat time, so we don't trigger failsafe on slow
// startup
failsafe.last_heartbeat_ms = millis();
// we don't want writes to the serial port to cause us to pause
// mid-flight, so set the serial ports non-blocking once we are
// ready to fly
serial_manager.set_blocking_writes_all(false);
gcs().send_text(MAV_SEVERITY_INFO,"Ground start complete");
}
enum FlightMode Plane::get_previous_mode() {
return previous_mode;
}
void Plane::set_mode(enum FlightMode mode, mode_reason_t reason)
{
if(control_mode == mode) {
// don't switch modes if we are already in the correct mode.
return;
}
if(g.auto_trim > 0 && control_mode == MANUAL)
trim_control_surfaces();
// perform any cleanup required for prev flight mode
exit_mode(control_mode);
// cancel inverted flight
auto_state.inverted_flight = false;
// don't cross-track when starting a mission
auto_state.next_wp_crosstrack = false;
// reset landing check
auto_state.checked_for_autoland = false;
// zero locked course
steer_state.locked_course_err = 0;
// reset crash detection
crash_state.is_crashed = false;
crash_state.impact_detected = false;
// reset external attitude guidance
guided_state.last_forced_rpy_ms.zero();
guided_state.last_forced_throttle_ms = 0;
// set mode
previous_mode = control_mode;
control_mode = mode;
previous_mode_reason = control_mode_reason;
control_mode_reason = reason;
#if FRSKY_TELEM_ENABLED == ENABLED
frsky_telemetry.update_control_mode(control_mode);
#endif
#if CAMERA == ENABLED
camera.set_is_auto_mode(control_mode == AUTO);
#endif
if (previous_mode == AUTOTUNE && control_mode != AUTOTUNE) {
// restore last gains
autotune_restore();
}
// zero initial pitch and highest airspeed on mode change
auto_state.highest_airspeed = 0;
auto_state.initial_pitch_cd = ahrs.pitch_sensor;
// disable taildrag takeoff on mode change
auto_state.fbwa_tdrag_takeoff_mode = false;
// start with previous WP at current location
prev_WP_loc = current_loc;
// new mode means new loiter
loiter.start_time_ms = 0;
// record time of mode change
last_mode_change_ms = AP_HAL::millis();
// assume non-VTOL mode
auto_state.vtol_mode = false;
auto_state.vtol_loiter = false;
switch(control_mode)
{
case INITIALISING:
throttle_allows_nudging = true;
auto_throttle_mode = true;
auto_navigation_mode = false;
break;
case MANUAL:
case STABILIZE:
case TRAINING:
case FLY_BY_WIRE_A:
throttle_allows_nudging = false;
auto_throttle_mode = false;
auto_navigation_mode = false;
break;
case AUTOTUNE:
throttle_allows_nudging = false;
auto_throttle_mode = false;
auto_navigation_mode = false;
autotune_start();
break;
case ACRO:
throttle_allows_nudging = false;
auto_throttle_mode = false;
auto_navigation_mode = false;
acro_state.locked_roll = false;
acro_state.locked_pitch = false;
break;
case CRUISE:
throttle_allows_nudging = false;
auto_throttle_mode = true;
auto_navigation_mode = false;
cruise_state.locked_heading = false;
cruise_state.lock_timer_ms = 0;
// for ArduSoar soaring_controller
g2.soaring_controller.init_cruising();
set_target_altitude_current();
break;
case FLY_BY_WIRE_B:
throttle_allows_nudging = false;
auto_throttle_mode = true;
auto_navigation_mode = false;
// for ArduSoar soaring_controller
g2.soaring_controller.init_cruising();
set_target_altitude_current();
break;
case CIRCLE:
// the altitude to circle at is taken from the current altitude
throttle_allows_nudging = false;
auto_throttle_mode = true;
auto_navigation_mode = true;
next_WP_loc.alt = current_loc.alt;
break;
case AUTO:
throttle_allows_nudging = true;
auto_throttle_mode = true;
auto_navigation_mode = true;
if (quadplane.available() && quadplane.enable == 2) {
auto_state.vtol_mode = true;
} else {
auto_state.vtol_mode = false;
}
next_WP_loc = prev_WP_loc = current_loc;
// start or resume the mission, based on MIS_AUTORESET
mission.start_or_resume();
g2.soaring_controller.init_cruising();
break;
case RTL:
throttle_allows_nudging = true;
auto_throttle_mode = true;
auto_navigation_mode = true;
prev_WP_loc = current_loc;
do_RTL(get_RTL_altitude());
break;
case LOITER:
throttle_allows_nudging = true;
auto_throttle_mode = true;
auto_navigation_mode = true;
do_loiter_at_location();
if (g2.soaring_controller.is_active() &&
g2.soaring_controller.suppress_throttle()) {
g2.soaring_controller.init_thermalling();
g2.soaring_controller.get_target(next_WP_loc); // ahead on flight path
}
break;
case AVOID_ADSB:
case GUIDED:
throttle_allows_nudging = true;
auto_throttle_mode = true;
auto_navigation_mode = true;
guided_throttle_passthru = false;
/*
when entering guided mode we set the target as the current
location. This matches the behaviour of the copter code
*/
guided_WP_loc = current_loc;
set_guided_WP();
break;
case QSTABILIZE:
case QHOVER:
case QLOITER:
case QLAND:
case QRTL:
throttle_allows_nudging = true;
auto_navigation_mode = false;
if (!quadplane.init_mode()) {
control_mode = previous_mode;
} else {
auto_throttle_mode = false;
auto_state.vtol_mode = true;
}
break;
}
// start with throttle suppressed in auto_throttle modes
throttle_suppressed = auto_throttle_mode;
adsb.set_is_auto_mode(auto_navigation_mode);
DataFlash.Log_Write_Mode(control_mode, control_mode_reason);
// update notify with flight mode change
notify_flight_mode(control_mode);
// reset steering integrator on mode change
steerController.reset_I();
}
// exit_mode - perform any cleanup required when leaving a flight mode
void Plane::exit_mode(enum FlightMode mode)
{
// stop mission when we leave auto
if (mode == AUTO) {
if (mission.state() == AP_Mission::MISSION_RUNNING) {
mission.stop();
if (mission.get_current_nav_cmd().id == MAV_CMD_NAV_LAND &&
!quadplane.is_vtol_land(mission.get_current_nav_cmd().id))
{
landing.restart_landing_sequence();
}
}
auto_state.started_flying_in_auto_ms = 0;
}
}
void Plane::check_long_failsafe()
{
uint32_t tnow = millis();
// only act on changes
// -------------------
if (failsafe.state != FAILSAFE_LONG && failsafe.state != FAILSAFE_GCS && flight_stage != AP_Vehicle::FixedWing::FLIGHT_LAND) {
uint32_t radio_timeout_ms = failsafe.last_valid_rc_ms;
if (failsafe.state == FAILSAFE_SHORT) {
// time is relative to when short failsafe enabled
radio_timeout_ms = failsafe.short_timer_ms;
}
if (failsafe.rc_failsafe &&
(tnow - radio_timeout_ms) > g.fs_timeout_long*1000) {
failsafe_long_on_event(FAILSAFE_LONG, MODE_REASON_RADIO_FAILSAFE);
} else if (g.gcs_heartbeat_fs_enabled == GCS_FAILSAFE_HB_AUTO && control_mode == AUTO &&
failsafe.last_heartbeat_ms != 0 &&
(tnow - failsafe.last_heartbeat_ms) > g.fs_timeout_long*1000) {
failsafe_long_on_event(FAILSAFE_GCS, MODE_REASON_GCS_FAILSAFE);
} else if (g.gcs_heartbeat_fs_enabled == GCS_FAILSAFE_HEARTBEAT &&
failsafe.last_heartbeat_ms != 0 &&
(tnow - failsafe.last_heartbeat_ms) > g.fs_timeout_long*1000) {
failsafe_long_on_event(FAILSAFE_GCS, MODE_REASON_GCS_FAILSAFE);
} else if (g.gcs_heartbeat_fs_enabled == GCS_FAILSAFE_HB_RSSI &&
gcs().chan(0).last_radio_status_remrssi_ms != 0 &&
(tnow - gcs().chan(0).last_radio_status_remrssi_ms) > g.fs_timeout_long*1000) {
failsafe_long_on_event(FAILSAFE_GCS, MODE_REASON_GCS_FAILSAFE);
}
} else {
uint32_t timeout_seconds = g.fs_timeout_long;
if (g.fs_action_short != FS_ACTION_SHORT_DISABLED) {
// avoid dropping back into short timeout
timeout_seconds = g.fs_timeout_short;
}
// We do not change state but allow for user to change mode
if (failsafe.state == FAILSAFE_GCS &&
(tnow - failsafe.last_heartbeat_ms) < timeout_seconds*1000) {
failsafe_long_off_event(MODE_REASON_GCS_FAILSAFE);
} else if (failsafe.state == FAILSAFE_LONG &&
!failsafe.rc_failsafe) {
failsafe_long_off_event(MODE_REASON_RADIO_FAILSAFE);
}
}
}
void Plane::check_short_failsafe()
{
// only act on changes
// -------------------
if (g.fs_action_short != FS_ACTION_SHORT_DISABLED &&
failsafe.state == FAILSAFE_NONE &&
flight_stage != AP_Vehicle::FixedWing::FLIGHT_LAND) {
// The condition is checked and the flag rc_failsafe is set in radio.cpp
if(failsafe.rc_failsafe) {
failsafe_short_on_event(FAILSAFE_SHORT, MODE_REASON_RADIO_FAILSAFE);
}
}
if(failsafe.state == FAILSAFE_SHORT) {
if(!failsafe.rc_failsafe || g.fs_action_short == FS_ACTION_SHORT_DISABLED) {
failsafe_short_off_event(MODE_REASON_RADIO_FAILSAFE);
}
}
}
void Plane::startup_INS_ground(void)
{
#if HIL_SUPPORT
if (g.hil_mode == 1) {
while (barometer.get_last_update() == 0) {
// the barometer begins updating when we get the first
// HIL_STATE message
gcs().send_text(MAV_SEVERITY_WARNING, "Waiting for first HIL_STATE message");
hal.scheduler->delay(1000);
}
}
#endif
if (ins.gyro_calibration_timing() != AP_InertialSensor::GYRO_CAL_NEVER) {
gcs().send_text(MAV_SEVERITY_ALERT, "Beginning INS calibration. Do not move plane");
hal.scheduler->delay(100);
}
ahrs.init();
ahrs.set_fly_forward(true);
ahrs.set_vehicle_class(AHRS_VEHICLE_FIXED_WING);
ahrs.set_wind_estimation(true);
ins.init(scheduler.get_loop_rate_hz());
ahrs.reset();
// read Baro pressure at ground
//-----------------------------
init_barometer(true);
if (airspeed.enabled()) {
// initialize airspeed sensor
// --------------------------
zero_airspeed(true);
} else {
gcs().send_text(MAV_SEVERITY_WARNING,"No airspeed");
}
}
// updates the status of the notify objects
// should be called at 50hz
void Plane::update_notify()
{
notify.update();
}
// sets notify object flight mode information
void Plane::notify_flight_mode(enum FlightMode mode)
{
AP_Notify::flags.flight_mode = mode;
// set flight mode string
switch (mode) {
case MANUAL:
notify.set_flight_mode_str("MANU");
break;
case CIRCLE:
notify.set_flight_mode_str("CIRC");
break;
case STABILIZE:
notify.set_flight_mode_str("STAB");
break;
case TRAINING:
notify.set_flight_mode_str("TRAN");
break;
case ACRO:
notify.set_flight_mode_str("ACRO");
break;
case FLY_BY_WIRE_A:
notify.set_flight_mode_str("FBWA");
break;
case FLY_BY_WIRE_B:
notify.set_flight_mode_str("FBWB");
break;
case CRUISE:
notify.set_flight_mode_str("CRUS");
break;
case AUTOTUNE:
notify.set_flight_mode_str("ATUN");
break;
case AUTO:
notify.set_flight_mode_str("AUTO");
break;
case RTL:
notify.set_flight_mode_str("RTL ");
break;
case LOITER:
notify.set_flight_mode_str("LOITER");
break;
case AVOID_ADSB:
notify.set_flight_mode_str("AVOI");
break;
case GUIDED:
notify.set_flight_mode_str("GUID");
break;
case INITIALISING:
notify.set_flight_mode_str("INIT");
break;
case QSTABILIZE:
notify.set_flight_mode_str("QSTB");
break;
case QHOVER:
notify.set_flight_mode_str("QHOV");
break;
case QLOITER:
notify.set_flight_mode_str("QLOT");
break;
case QLAND:
notify.set_flight_mode_str("QLND");
break;
case QRTL:
notify.set_flight_mode_str("QRTL");
break;
default:
notify.set_flight_mode_str("----");
break;
}
}
/*
should we log a message type now?
*/
bool Plane::should_log(uint32_t mask)
{
#if LOGGING_ENABLED == ENABLED
return DataFlash.should_log(mask);
#else
return false;
#endif
}
/*
return throttle percentage from 0 to 100 for normal use and -100 to 100 when using reverse thrust
*/
int8_t Plane::throttle_percentage(void)
{
if (quadplane.in_vtol_mode()) {
return quadplane.throttle_percentage();
}
// to get the real throttle we need to use norm_output() which
// returns a number from -1 to 1.
float throttle = SRV_Channels::get_output_norm(SRV_Channel::k_throttle);
if (aparm.throttle_min >= 0) {
return constrain_int16(50*(throttle+1), 0, 100);
} else {
// reverse thrust
return constrain_int16(100*throttle, -100, 100);
}
}
/*
update AHRS soft arm state and log as needed
*/
void Plane::change_arm_state(void)
{
Log_Arm_Disarm();
update_soft_armed();
quadplane.set_armed(hal.util->get_soft_armed());
}
/*
arm motors
*/
bool Plane::arm_motors(AP_Arming::ArmingMethod method)
{
if (!arming.arm(method)) {
return false;
}
change_arm_state();
return true;
}
/*
disarm motors
*/
bool Plane::disarm_motors(void)
{
if (!arming.disarm()) {
return false;
}
if (control_mode != AUTO) {
// reset the mission on disarm if we are not in auto
mission.reset();
}
// suppress the throttle in auto-throttle modes
throttle_suppressed = auto_throttle_mode;
//only log if disarming was successful
change_arm_state();
// reload target airspeed which could have been modified by a mission
plane.aparm.airspeed_cruise_cm.load();
return true;
}
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