From 0f2b66fa8b3782c965966e9c0b0b6f16b80d7f38 Mon Sep 17 00:00:00 2001 From: Thomas Gubler Date: Thu, 14 Aug 2014 22:38:48 +0200 Subject: failsafe: enable support for commands --- src/modules/commander/commander.cpp | 25 +++++++++++++++++++++++++ src/modules/commander/state_machine_helper.cpp | 11 ++++++++++- src/modules/navigator/navigator_main.cpp | 2 +- src/modules/uORB/topics/vehicle_status.h | 5 ++++- 4 files changed, 40 insertions(+), 3 deletions(-) (limited to 'src/modules') diff --git a/src/modules/commander/commander.cpp b/src/modules/commander/commander.cpp index c6f56d5e3..b635a22cb 100644 --- a/src/modules/commander/commander.cpp +++ b/src/modules/commander/commander.cpp @@ -557,6 +557,31 @@ bool handle_command(struct vehicle_status_s *status_local, const struct safety_s armed_local->force_failsafe = false; warnx("disabling failsafe"); } + /* param2 is currently used for other failsafe modes */ + status_local->engine_failure_cmd = false; + status_local->data_link_lost_cmd = false; + status_local->gps_failure_cmd = false; + status_local->rc_signal_lost_cmd = false; + if ((int)cmd->param2 <= 0) { + /* reset all commanded failure modes */ + warnx("revert to normal mode"); + } else if ((int)cmd->param2 == 1) { + /* trigger engine failure mode */ + status_local->engine_failure_cmd = true; + warnx("engine failure mode commanded"); + } else if ((int)cmd->param2 == 2) { + /* trigger data link loss mode */ + status_local->data_link_lost_cmd = true; + warnx("data link loss mode commanded"); + } else if ((int)cmd->param2 == 3) { + /* trigger gps loss mode */ + status_local->gps_failure_cmd = true; + warnx("gps loss mode commanded"); + } else if ((int)cmd->param2 == 4) { + /* trigger rc loss mode */ + status_local->rc_signal_lost_cmd = true; + warnx("rc loss mode commanded"); + } cmd_result = VEHICLE_CMD_RESULT_ACCEPTED; } break; diff --git a/src/modules/commander/state_machine_helper.cpp b/src/modules/commander/state_machine_helper.cpp index ecfe62e03..157e35ef8 100644 --- a/src/modules/commander/state_machine_helper.cpp +++ b/src/modules/commander/state_machine_helper.cpp @@ -491,10 +491,19 @@ bool set_nav_state(struct vehicle_status_s *status, const bool data_link_loss_en case MAIN_STATE_AUTO_MISSION: /* go into failsafe + * - if commanded to do so * - if we have an engine failure * - if either the datalink is enabled and lost as well as RC is lost * - if there is no datalink and the mission is finished */ - if (status->engine_failure) { + if (status->engine_failure_cmd) { + status->nav_state = NAVIGATION_STATE_AUTO_LANDENGFAIL; + } else if (status->data_link_lost_cmd) { + status->nav_state = NAVIGATION_STATE_AUTO_RTGS; + //} else if (status->gps_failure_cmd) { + //status->nav_state = NAVIGATION_STATE_AUTO_***; + } else if (status->rc_signal_lost_cmd) { + status->nav_state = NAVIGATION_STATE_AUTO_RTGS; //XXX + } else if (status->engine_failure) { status->nav_state = NAVIGATION_STATE_AUTO_LANDENGFAIL; } else if (((status->data_link_lost && data_link_loss_enabled) && status->rc_signal_lost) || (!data_link_loss_enabled && status->rc_signal_lost && mission_finished)) { diff --git a/src/modules/navigator/navigator_main.cpp b/src/modules/navigator/navigator_main.cpp index 043d883b2..4af37fa3e 100644 --- a/src/modules/navigator/navigator_main.cpp +++ b/src/modules/navigator/navigator_main.cpp @@ -384,7 +384,7 @@ Navigator::task_main() case NAVIGATION_STATE_AUTO_RTL: _navigation_mode = &_rtl; break; - case NAVIGATION_STATE_AUTO_RTGS: + case NAVIGATION_STATE_AUTO_RTGS: //XXX OBC: differentiate between rc loss and dl loss here /* Use complex data link loss mode only when enabled via param * otherwise use rtl */ if (_param_datalinkloss_obc.get() != 0) { diff --git a/src/modules/uORB/topics/vehicle_status.h b/src/modules/uORB/topics/vehicle_status.h index 301503b82..b465f8407 100644 --- a/src/modules/uORB/topics/vehicle_status.h +++ b/src/modules/uORB/topics/vehicle_status.h @@ -200,13 +200,16 @@ struct vehicle_status_s { bool rc_signal_found_once; bool rc_signal_lost; /**< true if RC reception lost */ + bool rc_signal_lost_cmd; /**< true if RC lost mode is commanded */ bool rc_input_blocked; /**< set if RC input should be ignored */ bool data_link_lost; /**< datalink to GCS lost */ + bool data_link_lost_cmd; /**< datalink to GCS lost mode commanded */ uint8_t data_link_lost_counter; /**< counts unique data link lost events */ - bool engine_failure; /** Set to true if an engine failure is detected */ + bool engine_failure_cmd; /** Set to true if an engine failure mode is commanded */ bool gps_failure; /** Set to true if a gps failure is detected */ + bool gps_failure_cmd; /** Set to true if a gps failure mode is commanded */ bool offboard_control_signal_found_once; bool offboard_control_signal_lost; -- cgit v1.2.3