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Lorenz Meier
2013-01-11 07:42:09 +01:00
parent d6116d9564
commit 9ab20b11b6
4 changed files with 318 additions and 212 deletions
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apps/commander/state_machine_helper.c
+35 -15
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@@ -50,7 +50,7 @@
#include "state_machine_helper.h"
static const char* system_state_txt[] = {
static const char *system_state_txt[] = {
"SYSTEM_STATE_PREFLIGHT",
"SYSTEM_STATE_STANDBY",
"SYSTEM_STATE_GROUND_READY",
@@ -79,7 +79,7 @@ int do_state_update(int status_pub, struct vehicle_status_s *current_status, con
case SYSTEM_STATE_MISSION_ABORT: {
/* Indoor or outdoor */
// if (flight_environment_parameter == PX4_FLIGHT_ENVIRONMENT_OUTDOOR) {
ret = do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_EMCY_LANDING);
ret = do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_EMCY_LANDING);
// } else {
// ret = do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_EMCY_CUTOFF);
@@ -120,19 +120,21 @@ int do_state_update(int status_pub, struct vehicle_status_s *current_status, con
case SYSTEM_STATE_PREFLIGHT:
if (current_status->state_machine == SYSTEM_STATE_STANDBY
|| current_status->state_machine == SYSTEM_STATE_PREFLIGHT) {
|| current_status->state_machine == SYSTEM_STATE_PREFLIGHT) {
/* set system flags according to state */
current_status->flag_system_armed = false;
mavlink_log_critical(mavlink_fd, "[cmd] Switched to PREFLIGHT state");
} else {
invalid_state = true;
mavlink_log_critical(mavlink_fd, "[cmd] REFUSED to switch to PREFLIGHT state");
}
break;
case SYSTEM_STATE_REBOOT:
if (current_status->state_machine == SYSTEM_STATE_STANDBY
|| current_status->state_machine == SYSTEM_STATE_PREFLIGHT) {
|| current_status->state_machine == SYSTEM_STATE_PREFLIGHT) {
invalid_state = false;
/* set system flags according to state */
current_status->flag_system_armed = false;
@@ -140,10 +142,12 @@ int do_state_update(int status_pub, struct vehicle_status_s *current_status, con
usleep(500000);
up_systemreset();
/* SPECIAL CASE: NEVER RETURNS FROM THIS FUNCTION CALL */
} else {
invalid_state = true;
mavlink_log_critical(mavlink_fd, "[cmd] REFUSED to REBOOT");
}
break;
case SYSTEM_STATE_STANDBY:
@@ -202,14 +206,17 @@ int do_state_update(int status_pub, struct vehicle_status_s *current_status, con
publish_armed_status(current_status);
ret = OK;
}
if (invalid_state) {
mavlink_log_critical(mavlink_fd, "[cmd] REJECTING invalid state transition");
ret = ERROR;
}
return ret;
}
void state_machine_publish(int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd) {
void state_machine_publish(int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd)
{
/* publish the new state */
current_status->counter++;
current_status->timestamp = hrt_absolute_time();
@@ -217,9 +224,11 @@ void state_machine_publish(int status_pub, struct vehicle_status_s *current_stat
/* assemble state vector based on flag values */
if (current_status->flag_control_rates_enabled) {
current_status->onboard_control_sensors_present |= 0x400;
} else {
current_status->onboard_control_sensors_present &= ~0x400;
}
current_status->onboard_control_sensors_present |= (current_status->flag_control_attitude_enabled) ? 0x800 : 0;
current_status->onboard_control_sensors_present |= (current_status->flag_control_attitude_enabled) ? 0x1000 : 0;
current_status->onboard_control_sensors_present |= (current_status->flag_control_velocity_enabled || current_status->flag_control_position_enabled) ? 0x2000 : 0;
@@ -235,7 +244,8 @@ void state_machine_publish(int status_pub, struct vehicle_status_s *current_stat
printf("[cmd] new state: %s\n", system_state_txt[current_status->state_machine]);
}
void publish_armed_status(const struct vehicle_status_s *current_status) {
void publish_armed_status(const struct vehicle_status_s *current_status)
{
struct actuator_armed_s armed;
armed.armed = current_status->flag_system_armed;
/* lock down actuators if required, only in HIL */
@@ -257,7 +267,7 @@ void state_machine_emergency_always_critical(int status_pub, struct vehicle_stat
do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_GROUND_ERROR);
} else if (current_status->state_machine == SYSTEM_STATE_AUTO || current_status->state_machine == SYSTEM_STATE_MANUAL) {
// DO NOT abort mission
//do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_MISSION_ABORT);
@@ -523,13 +533,14 @@ void update_state_machine_mode_manual(int status_pub, struct vehicle_status_s *c
/* set behaviour based on airframe */
if ((current_status->system_type == VEHICLE_TYPE_QUADROTOR) ||
(current_status->system_type == VEHICLE_TYPE_HEXAROTOR) ||
(current_status->system_type == VEHICLE_TYPE_OCTOROTOR)) {
(current_status->system_type == VEHICLE_TYPE_HEXAROTOR) ||
(current_status->system_type == VEHICLE_TYPE_OCTOROTOR)) {
/* assuming a rotary wing, set to SAS */
current_status->manual_control_mode = VEHICLE_MANUAL_CONTROL_MODE_SAS;
current_status->flag_control_attitude_enabled = true;
current_status->flag_control_rates_enabled = true;
} else {
/* assuming a fixed wing, set to direct pass-through */
@@ -556,8 +567,9 @@ void update_state_machine_mode_stabilized(int status_pub, struct vehicle_status_
current_status->flag_control_attitude_enabled = true;
current_status->flag_control_rates_enabled = true;
current_status->flag_control_manual_enabled = true;
if (old_mode != current_status->flight_mode ||
old_manual_control_mode != current_status->manual_control_mode) {
old_manual_control_mode != current_status->manual_control_mode) {
printf("[cmd] att stabilized mode\n");
do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_MANUAL);
state_machine_publish(status_pub, current_status, mavlink_fd);
@@ -573,6 +585,7 @@ void update_state_machine_mode_guided(int status_pub, struct vehicle_status_s *c
tune_error();
return;
}
if (current_status->state_machine == SYSTEM_STATE_GROUND_READY || current_status->state_machine == SYSTEM_STATE_MANUAL || current_status->state_machine == SYSTEM_STATE_AUTO) {
printf("[cmd] position guided mode\n");
int old_mode = current_status->flight_mode;
@@ -581,6 +594,7 @@ void update_state_machine_mode_guided(int status_pub, struct vehicle_status_s *c
current_status->flag_control_attitude_enabled = true;
current_status->flag_control_rates_enabled = true;
do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_STABILIZED);
if (old_mode != current_status->flight_mode) state_machine_publish(status_pub, current_status, mavlink_fd);
}
@@ -592,7 +606,7 @@ void update_state_machine_mode_auto(int status_pub, struct vehicle_status_s *cur
mavlink_log_critical(mavlink_fd, "NO POS LOCK, REJ. AUTO MODE");
return;
}
if (current_status->state_machine == SYSTEM_STATE_GROUND_READY || current_status->state_machine == SYSTEM_STATE_MANUAL || current_status->state_machine == SYSTEM_STATE_STABILIZED) {
printf("[cmd] auto mode\n");
int old_mode = current_status->flight_mode;
@@ -601,6 +615,7 @@ void update_state_machine_mode_auto(int status_pub, struct vehicle_status_s *cur
current_status->flag_control_attitude_enabled = true;
current_status->flag_control_rates_enabled = true;
do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_AUTO);
if (old_mode != current_status->flight_mode) state_machine_publish(status_pub, current_status, mavlink_fd);
}
}
@@ -609,10 +624,10 @@ void update_state_machine_mode_auto(int status_pub, struct vehicle_status_s *cur
uint8_t update_state_machine_mode_request(int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd, uint8_t mode)
{
uint8_t ret = 1;
/* Switch on HIL if in standby and not already in HIL mode */
if ((mode & VEHICLE_MODE_FLAG_HIL_ENABLED)
&& !current_status->flag_hil_enabled) {
&& !current_status->flag_hil_enabled) {
if ((current_status->state_machine == SYSTEM_STATE_STANDBY)) {
/* Enable HIL on request */
current_status->flag_hil_enabled = true;
@@ -620,23 +635,28 @@ uint8_t update_state_machine_mode_request(int status_pub, struct vehicle_status_
state_machine_publish(status_pub, current_status, mavlink_fd);
publish_armed_status(current_status);
printf("[cmd] Enabling HIL, locking down all actuators for safety.\n\t(Arming the system will not activate them while in HIL mode)\n");
} else if (current_status->state_machine != SYSTEM_STATE_STANDBY &&
current_status->flag_system_armed) {
current_status->flag_system_armed) {
mavlink_log_critical(mavlink_fd, "[cmd] REJECTING HIL, disarm first!")
} else {
mavlink_log_critical(mavlink_fd, "[cmd] REJECTING HIL, not in standby.")
}
}
/* switch manual / auto */
if (mode & VEHICLE_MODE_FLAG_AUTO_ENABLED) {
update_state_machine_mode_auto(status_pub, current_status, mavlink_fd);
} else if (mode & VEHICLE_MODE_FLAG_STABILIZED_ENABLED) {
update_state_machine_mode_stabilized(status_pub, current_status, mavlink_fd);
} else if (mode & VEHICLE_MODE_FLAG_GUIDED_ENABLED) {
update_state_machine_mode_guided(status_pub, current_status, mavlink_fd);
} else if (mode & VEHICLE_MODE_FLAG_MANUAL_INPUT_ENABLED) {
update_state_machine_mode_manual(status_pub, current_status, mavlink_fd);
}