Skip to content

Commit

Permalink
Add HITL support for fw, vtol and rover
Browse files Browse the repository at this point in the history
  • Loading branch information
haitomatic committed Aug 29, 2024
1 parent ac75375 commit 0bf1257
Show file tree
Hide file tree
Showing 17 changed files with 741 additions and 47 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -82,7 +82,6 @@ param set-default CA_SV_CS1_TRQ_R 0.5
param set-default CA_SV_CS2_TYPE 3
param set-default CA_SV_CS2_TRQ_P 1.0

param set-default FW_L1_PERIOD 12
param set-default FW_PR_FF 0.2
param set-default FW_PR_P 0.9
param set-default FW_PSP_OFF 2
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,12 @@ PX4_GZ_WORLD=${PX4_GZ_WORLD:=default}
PX4_SIM_MODEL=${PX4_SIM_MODEL:=strivermini}

param set-default SIM_GZ_EN 1
param set-default SIM_GZ_RUN_GZSIM 0
param set-default SIM_GZ_SHOME 1
if [ "$PX4_RUN_GZSIM" = "0" ]; then
param set-default SIM_GZ_RUN_GZSIM 0
else
param set-default SIM_GZ_RUN_GZSIM 1
fi

param set-default SENS_EN_GPSSIM 1
param set-default SENS_EN_BAROSIM 1
Expand Down Expand Up @@ -142,7 +147,7 @@ param set-default VT_F_TRANS_DUR 6.0
param set-default VT_F_TRANS_THR 1.0

# VTOL takeoff
param set-default VTO_LOITER_ALT 20
param set-default VTO_LOITER_ALT 20.0

param set-default MC_AIRMODE 0
param set-default MC_ROLLRATE_P 0.14
Expand Down
6 changes: 0 additions & 6 deletions ROMFS/px4fmu_common/init.d/airframes/4400_ssrc_fog_x
Original file line number Diff line number Diff line change
Expand Up @@ -49,12 +49,6 @@ param set-default PWM_MAIN_MIN2 1050
param set-default PWM_MAIN_MIN3 1050
param set-default PWM_MAIN_MIN4 1050

# HITL PWM functions
param set-default HIL_ACT_FUNC1 101
param set-default HIL_ACT_FUNC2 102
param set-default HIL_ACT_FUNC3 103
param set-default HIL_ACT_FUNC4 104

# UAVCAN_EC functions
param set-default UAVCAN_EC_FUNC1 101
param set-default UAVCAN_EC_FUNC2 102
Expand Down
10 changes: 0 additions & 10 deletions src/modules/mavlink/mavlink_receiver.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,6 @@
* @author Thomas Gubler <[email protected]>
*/

#include <lib/airspeed/airspeed.h>
#include <lib/conversion/rotation.h>
#include <lib/systemlib/px4_macros.h>

Expand Down Expand Up @@ -2661,15 +2660,6 @@ MavlinkReceiver::handle_message_hil_state_quaternion(mavlink_message_t *msg)
const double dt = math::constrain((timestamp_sample - _hil_timestamp_prev) * 1e-6, 0.001, 0.1);
_hil_timestamp_prev = timestamp_sample;

/* airspeed */
airspeed_s airspeed{};
airspeed.timestamp_sample = timestamp_sample;
airspeed.indicated_airspeed_m_s = hil_state.ind_airspeed * 1e-2f;
airspeed.true_airspeed_m_s = hil_state.true_airspeed * 1e-2f;
airspeed.air_temperature_celsius = 15.f;
airspeed.timestamp = hrt_absolute_time();
_airspeed_pub.publish(airspeed);

/* Receive attitude quaternion from gz-sim and publish vehicle attitude
* groundtruth and angular velocity ground truth
*/
Expand Down
2 changes: 0 additions & 2 deletions src/modules/mavlink/mavlink_receiver.h
Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,6 @@
#include <uORB/SubscriptionInterval.hpp>
#include <uORB/topics/actuator_armed.h>
#include <uORB/topics/actuator_outputs.h>
#include <uORB/topics/airspeed.h>
#include <uORB/topics/autotune_attitude_control_status.h>
#include <uORB/topics/battery_status.h>
#include <uORB/topics/camera_status.h>
Expand Down Expand Up @@ -288,7 +287,6 @@ class MavlinkReceiver : public ModuleParams
uint16_t _mavlink_status_last_packet_rx_drop_count{0};

// ORB publications
uORB::Publication<airspeed_s> _airspeed_pub{ORB_ID(airspeed)};
uORB::Publication<battery_status_s> _battery_pub{ORB_ID(battery_status)};
uORB::Publication<camera_status_s> _camera_status_pub{ORB_ID(camera_status)};
uORB::Publication<cellular_status_s> _cellular_status_pub{ORB_ID(cellular_status)};
Expand Down
107 changes: 96 additions & 11 deletions src/modules/mavlink/streams/HIL_ACTUATOR_CONTROLS.hpp
Original file line number Diff line number Diff line change
Expand Up @@ -34,11 +34,15 @@
#ifndef HIL_ACTUATOR_CONTROLS_HPP
#define HIL_ACTUATOR_CONTROLS_HPP

#include <lib/mixer_module/mixer_module.hpp>
#include <px4_platform_common/module_params.h>
#include <uORB/topics/actuator_outputs.h>
#include <uORB/topics/actuator_test.h>
#include <uORB/topics/vehicle_control_mode.h>
#include <uORB/topics/vehicle_status.h>
#include <uORB/topics/esc_status.h>
#include <uORB/topics/vehicle_thrust_setpoint.h>
#include <uORB/topics/vehicle_torque_setpoint.h>

class MavlinkStreamHILActuatorControls : public MavlinkStream, ModuleParams
{
Expand All @@ -63,61 +67,123 @@ class MavlinkStreamHILActuatorControls : public MavlinkStream, ModuleParams
{
_act_sub = uORB::Subscription{ORB_ID(actuator_outputs_sim)};

int32_t rover_type = -1;
param_get(param_find("RI_ROVER_TYPE"), &rover_type);

if (rover_type >= 0) {
param_get(param_find("GND_SPEED_MAX"), &_rover_max_speed);
_rover_thrust_sub = uORB::Subscription{ORB_ID(vehicle_thrust_setpoint)};
_rover_torque_sub = uORB::Subscription{ORB_ID(vehicle_torque_setpoint)};
_is_rover = true;
}

for (int i = 0; i < actuator_outputs_s::NUM_ACTUATOR_OUTPUTS; ++i) {
char param_name[17];
snprintf(param_name, sizeof(param_name), "%s_%s%d", "PWM_MAIN", "FUNC", i + 1);
snprintf(param_name, sizeof(param_name), "%s_%s%d", "HIL_ACT", "FUNC", i + 1);
param_get(param_find(param_name), &_output_functions[i]);
}
}

uORB::Subscription _act_sub{ORB_ID(actuator_outputs)};
uORB::Subscription _act_test_sub{ORB_ID(actuator_test)};
uORB::Subscription _vehicle_status_sub{ORB_ID(vehicle_status)};
uORB::Subscription _rover_thrust_sub;
uORB::Subscription _rover_torque_sub;
uORB::Subscription _vehicle_control_mode_sub{ORB_ID(vehicle_control_mode)};
uORB::Publication<esc_status_s> _esc_status_pub{ORB_ID(esc_status)};

int32_t _output_functions[actuator_outputs_s::NUM_ACTUATOR_OUTPUTS] {};

bool _is_rover{false};
float _rover_max_speed{0.0f};
float _rover_thrust_control{0.0f};
float _rover_torque_control{0.0f};

void send_esc_telemetry(mavlink_hil_actuator_controls_t &hil_act_control, vehicle_status_s &vehicle_status)
{
esc_status_s esc_status{};
esc_status.timestamp = hrt_absolute_time();
const int max_esc_count = math::min(actuator_outputs_s::NUM_ACTUATOR_OUTPUTS, esc_status_s::CONNECTED_ESC_MAX);

const bool armed = (vehicle_status.arming_state == vehicle_status_s::ARMING_STATE_ARMED);
int max_esc_index = 0;

for (int i = 0; i < max_esc_count; i++) {
if (_output_functions[i] != 0) {
max_esc_index = i;
if (_output_functions[i] == 0 || _output_functions[i] < (int)OutputFunction::Motor1
|| _output_functions[i] > (int)OutputFunction::MotorMax) {
return;
}

esc_status.esc[i].actuator_function = _output_functions[i]; // TODO: this should be in pwm_sim...
esc_status.esc[i].actuator_function = _output_functions[i];
esc_status.esc[i].timestamp = esc_status.timestamp;
esc_status.esc[i].esc_errorcount = 0; // TODO
esc_status.esc[i].esc_voltage = 11.1f + math::abs_t(hil_act_control.controls[i]) * 3.0f; // TODO: magic number
esc_status.esc[i].esc_current = armed ? 1.0f + math::abs_t(hil_act_control.controls[i]) * 15.0f :
0.0f; // TODO: magic number
esc_status.esc[i].esc_rpm = hil_act_control.controls[i] * 6000; // TODO: magic number
esc_status.esc[i].esc_temperature = 20.0f + math::abs_t(hil_act_control.controls[i]) * 40.0f;
esc_status.esc_count += 1;
}

esc_status.esc_count = max_esc_index + 1;
esc_status.esc_armed_flags = (1u << esc_status.esc_count) - 1;
esc_status.esc_online_flags = (1u << esc_status.esc_count) - 1;

_esc_status_pub.publish(esc_status);
}

bool updateRoverCmdVel()
{
if (_is_rover) {
bool do_update = false;

// Check torque setppoint update
if (_rover_torque_sub.updated()) {
vehicle_torque_setpoint_s vehicle_torque_setpoint_msg;

if (_rover_torque_sub.copy(&vehicle_torque_setpoint_msg)) {
_rover_torque_control = vehicle_torque_setpoint_msg.xyz[2];
do_update = true;
}
}

// Check thrust setpoint update
if (_rover_thrust_sub.updated()) {
vehicle_thrust_setpoint_s vehicle_thrust_setpoint_msg;

if (_rover_thrust_sub.copy(&vehicle_thrust_setpoint_msg)) {
/**
* On physical rover the max speed scale back is only for mission mode
* But here, we simplify the logic and apply the scale back for both
* manual and mission mode
*/
_rover_thrust_control = vehicle_thrust_setpoint_msg.xyz[0] * _rover_max_speed;
do_update = true;
}
}

return do_update ? true : false;

} else {
return false;
}
}

bool send() override
{
actuator_outputs_s act;

if (_act_sub.update(&act)) {
if (_act_sub.update(&act) || updateRoverCmdVel()) {
mavlink_hil_actuator_controls_t msg{};
msg.time_usec = act.timestamp;

for (unsigned i = 0; i < actuator_outputs_s::NUM_ACTUATOR_OUTPUTS; i++) {
msg.controls[i] = act.output[i];
if (_is_rover) {
// Use last two control inputs for rover vel cmd
msg.controls[actuator_outputs_s::NUM_ACTUATOR_OUTPUTS - 1] = _rover_thrust_control;
msg.controls[actuator_outputs_s::NUM_ACTUATOR_OUTPUTS - 2] = _rover_torque_control;

} else {
for (unsigned i = 0; i < actuator_outputs_s::NUM_ACTUATOR_OUTPUTS; i++) {
msg.controls[i] = act.output[i];
}
}

// mode (MAV_MODE_FLAG)
Expand Down Expand Up @@ -155,11 +221,30 @@ class MavlinkStreamHILActuatorControls : public MavlinkStream, ModuleParams
}
}

msg.flags = 0;
actuator_test_s actuator_test;

if (_act_test_sub.copy(&actuator_test)) {
if (actuator_test.action != 0) {
msg.mode |= MAV_MODE_FLAG_TEST_ENABLED;
}
}

// [custom use of flag] depending on OutputFunction, if output function is motor type, set bit in bitfield
uint64_t flags = 0;

for (int i = 0; i < actuator_outputs_s::NUM_ACTUATOR_OUTPUTS; i++) {
if (_output_functions[i] >= (int)OutputFunction::Motor1 && _output_functions[i] <= (int)OutputFunction::MotorMax) {
flags |= (1ULL << i);
}
}

msg.flags = flags;

mavlink_msg_hil_actuator_controls_send_struct(_mavlink->get_channel(), &msg);

send_esc_telemetry(msg, status);
if (!_is_rover) {
send_esc_telemetry(msg, status);
}

return true;
}
Expand Down
23 changes: 14 additions & 9 deletions src/modules/simulation/pwm_out_sim/PWMSim.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -44,10 +44,15 @@
PWMSim::PWMSim(bool hil_mode_enabled) :
OutputModuleInterface(MODULE_NAME, px4::wq_configurations::hp_default)
{
_mixing_output.setAllDisarmedValues(PWM_SIM_DISARMED_MAGIC);
_mixing_output.setAllFailsafeValues(PWM_SIM_FAILSAFE_MAGIC);
_mixing_output.setAllMinValues(PWM_SIM_PWM_MIN_MAGIC);
_mixing_output.setAllMaxValues(PWM_SIM_PWM_MAX_MAGIC);
for (int i = 0; i < MAX_ACTUATORS; ++i) {
char param_name[17];
snprintf(param_name, sizeof(param_name), "%s_%s%d", PARAM_PREFIX, "MIN", i + 1);
param_get(param_find(param_name), &_pwm_min[i]);
snprintf(param_name, sizeof(param_name), "%s_%s%d", PARAM_PREFIX, "MAX", i + 1);
param_get(param_find(param_name), &_pwm_max[i]);
snprintf(param_name, sizeof(param_name), "%s_%s%d", PARAM_PREFIX, "DIS", i + 1);
param_get(param_find(param_name), &_pwm_disarmed[i]);
}

_mixing_output.setIgnoreLockdown(hil_mode_enabled);
}
Expand All @@ -69,7 +74,7 @@ bool PWMSim::updateOutputs(bool stop_motors, uint16_t outputs[MAX_ACTUATORS], un
const uint32_t reversible_outputs = _mixing_output.reversibleOutputs();

for (int i = 0; i < (int)num_outputs; i++) {
if (outputs[i] != PWM_SIM_DISARMED_MAGIC) {
if (outputs[i] != _pwm_disarmed[i]) {

OutputFunction function = _mixing_output.outputFunction(i);
bool is_reversible = reversible_outputs & (1u << i);
Expand All @@ -78,12 +83,12 @@ bool PWMSim::updateOutputs(bool stop_motors, uint16_t outputs[MAX_ACTUATORS], un
if (((int)function >= (int)OutputFunction::Motor1 && (int)function <= (int)OutputFunction::MotorMax)
&& !is_reversible) {
// Scale non-reversible motors to [0, 1]
actuator_outputs.output[i] = (output - PWM_SIM_PWM_MIN_MAGIC) / (PWM_SIM_PWM_MAX_MAGIC - PWM_SIM_PWM_MIN_MAGIC);
actuator_outputs.output[i] = (output - _pwm_min[i]) / (_pwm_max[i] - _pwm_min[i]);

} else {
// Scale everything else to [-1, 1]
const float pwm_center = (PWM_SIM_PWM_MAX_MAGIC + PWM_SIM_PWM_MIN_MAGIC) / 2.f;
const float pwm_delta = (PWM_SIM_PWM_MAX_MAGIC - PWM_SIM_PWM_MIN_MAGIC) / 2.f;
const float pwm_center = (_pwm_max[i] + _pwm_min[i]) / 2.f;
const float pwm_delta = (_pwm_max[i] - _pwm_min[i]) / 2.f;
actuator_outputs.output[i] = (output - pwm_center) / pwm_delta;
}
}
Expand Down Expand Up @@ -177,7 +182,7 @@ int PWMSim::print_usage(const char *reason)
### Description
Driver for simulated PWM outputs.
Its only function is to take `actuator_control` uORB messages,
Its only function is to take `actuator_motors` and `actuator_servos` uORB messages,
mix them with any loaded mixer and output the result to the
`actuator_output` uORB topic.
Expand Down
7 changes: 3 additions & 4 deletions src/modules/simulation/pwm_out_sim/PWMSim.hpp
Original file line number Diff line number Diff line change
Expand Up @@ -76,10 +76,9 @@ class PWMSim : public ModuleBase<PWMSim>, public OutputModuleInterface
private:
void Run() override;

static constexpr uint16_t PWM_SIM_DISARMED_MAGIC = 900;
static constexpr uint16_t PWM_SIM_FAILSAFE_MAGIC = 600;
static constexpr uint16_t PWM_SIM_PWM_MIN_MAGIC = 1000;
static constexpr uint16_t PWM_SIM_PWM_MAX_MAGIC = 2000;
int32_t _pwm_min[MAX_ACTUATORS] {};
int32_t _pwm_max[MAX_ACTUATORS] {};
int32_t _pwm_disarmed[MAX_ACTUATORS] {};

MixingOutput _mixing_output{PARAM_PREFIX, MAX_ACTUATORS, *this, MixingOutput::SchedulingPolicy::Auto, false, false};
uORB::SubscriptionInterval _parameter_update_sub{ORB_ID(parameter_update), 1_s};
Expand Down
5 changes: 5 additions & 0 deletions src/modules/simulation/pwm_out_sim/module_hil.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -5,4 +5,9 @@ actuator_output:
output_groups:
- param_prefix: HIL_ACT
channel_label: Channel
standard_params:
disarmed: { min: 0, max: 1000, default: 0 }
min: { min: 0, max: 1000, default: 0 }
max: { min: 0, max: 1000, default: 1000 }
failsafe: { min: 0, max: 1000 }
num_channels: 16
Original file line number Diff line number Diff line change
Expand Up @@ -195,7 +195,7 @@ int SensorAirspeedSim::print_usage(const char *reason)
)DESCR_STR");

PRINT_MODULE_USAGE_NAME("sensor_arispeed_sim", "system");
PRINT_MODULE_USAGE_NAME("sensor_airspeed_sim", "system");
PRINT_MODULE_USAGE_COMMAND("start");
PRINT_MODULE_USAGE_DEFAULT_COMMANDS();

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -82,7 +82,7 @@ class SensorAirspeedSim : public ModuleBase<SensorAirspeedSim>, public ModulePar
matrix::Vector3f noiseGauss3f(float stdx, float stdy, float stdz) { return matrix::Vector3f(generate_wgn() * stdx, generate_wgn() * stdy, generate_wgn() * stdz); }

uORB::SubscriptionInterval _parameter_update_sub{ORB_ID(parameter_update), 1_s};
uORB::Subscription _vehicle_attitude_sub{ORB_ID(vehicle_attitude)};
uORB::Subscription _vehicle_attitude_sub{ORB_ID(vehicle_attitude_groundtruth)};
uORB::Subscription _vehicle_global_position_sub{ORB_ID(vehicle_global_position_groundtruth)};
uORB::Subscription _vehicle_local_position_sub{ORB_ID(vehicle_local_position_groundtruth)};

Expand Down
1 change: 1 addition & 0 deletions ssrc_config/config_hitl_eth_gzsim.txt
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
# Default parameter set for HITL with ethernet Gazebo Sim connection (partly derived from indoor flying parameters)
# Currently this is used for FC only HITL with ssrc holybro x500 airframe
# [ type: hitl_eth_gzsim ]

#####################################
Expand Down
Loading

0 comments on commit 0bf1257

Please sign in to comment.