mirror of
https://gitee.com/xiaohuolufeihua/bizhang_-obav.git
synced 2026-05-21 01:12:11 +00:00
camera_feedback: move to WQ callback and uORB::Subscription
This commit is contained in:
@@ -11,6 +11,7 @@ px4_add_board(
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#barometer # all available barometer drivers
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barometer/ms5611
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batt_smbus
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camera_capture
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camera_trigger
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differential_pressure # all available differential pressure drivers
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distance_sensor # all available distance sensor drivers
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@@ -15,7 +15,7 @@ px4_add_board(
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px4fmu
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MODULES
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attitude_estimator_q
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camera_feedback
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#camera_feedback
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commander
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dataman
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ekf2
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@@ -11,6 +11,7 @@ px4_add_board(
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#barometer # all available barometer drivers
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barometer/ms5611
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batt_smbus
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camera_capture
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camera_trigger
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differential_pressure # all available differential pressure drivers
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distance_sensor # all available distance sensor drivers
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@@ -9,6 +9,7 @@ px4_add_board(
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#barometer # all available barometer drivers
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barometer/ms5611
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batt_smbus
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camera_capture
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camera_trigger
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differential_pressure # all available differential pressure drivers
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distance_sensor # all available distance sensor drivers
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@@ -18,6 +18,7 @@ px4_add_board(
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barometer # all available barometer drivers
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barometer/mpl3115a2
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batt_smbus
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camera_capture
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camera_trigger
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differential_pressure # all available differential pressure drivers
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distance_sensor # all available distance sensor drivers
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@@ -21,7 +21,7 @@ px4_add_board(
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MODULES
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attitude_estimator_q
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camera_feedback
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#camera_feedback
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commander
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dataman
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ekf2
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@@ -66,7 +66,7 @@ px4_add_board(
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airspeed_selector
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#attitude_estimator_q
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battery_status
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camera_feedback
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#camera_feedback
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commander
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dataman
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ekf2
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@@ -21,8 +21,8 @@ px4_add_board(
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#barometer # all available barometer drivers
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barometer/ms5611
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#batt_smbus
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#camera_capture
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#camera_trigger
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camera_capture
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camera_trigger
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differential_pressure # all available differential pressure drivers
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distance_sensor # all available distance sensor drivers
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gps
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@@ -19,8 +19,8 @@ px4_add_board(
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adc
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barometer/ms5611
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#batt_smbus
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#camera_capture
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#camera_trigger
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camera_capture
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camera_trigger
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distance_sensor # all available distance sensor drivers
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gps
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imu/l3gd20
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@@ -65,7 +65,7 @@ px4_add_board(
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#airspeed_selector
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#attitude_estimator_q
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battery_status
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camera_feedback
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#camera_feedback
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commander
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dataman
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#ekf2
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@@ -60,7 +60,7 @@ px4_add_board(
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airspeed_selector
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attitude_estimator_q
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battery_status
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camera_feedback
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#camera_feedback
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commander
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dataman
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ekf2
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@@ -8,6 +8,7 @@ px4_add_board(
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DRIVERS
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#barometer # all available barometer drivers
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#batt_smbus
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camera_capture
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camera_trigger
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#differential_pressure # all available differential pressure drivers
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#distance_sensor # all available distance sensor drivers
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@@ -8,6 +8,7 @@ px4_add_board(
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DRIVERS
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#barometer # all available barometer drivers
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#batt_smbus
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camera_capture
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camera_trigger
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#differential_pressure # all available differential pressure drivers
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#distance_sensor # all available distance sensor drivers
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@@ -9,6 +9,7 @@ px4_add_board(
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DRIVERS
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#barometer # all available barometer drivers
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#batt_smbus
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camera_capture
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camera_trigger
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#differential_pressure # all available differential pressure drivers
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#distance_sensor # all available distance sensor drivers
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@@ -48,6 +48,8 @@ namespace camera_capture
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CameraCapture *g_camera_capture{nullptr};
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}
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struct work_s CameraCapture::_work_publisher;
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CameraCapture::CameraCapture() :
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ScheduledWorkItem(MODULE_NAME, px4::wq_configurations::lp_default)
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{
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@@ -67,9 +69,7 @@ CameraCapture::CameraCapture() :
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CameraCapture::~CameraCapture()
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{
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/* free any existing reports */
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if (_trig_buffer != nullptr) {
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delete _trig_buffer;
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}
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delete _trig_buffer;
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camera_capture::g_camera_capture = nullptr;
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}
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@@ -229,8 +229,8 @@ CameraCapture::set_capture_control(bool enabled)
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conf.edge = Both;
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}
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conf.callback = NULL;
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conf.context = NULL;
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conf.callback = nullptr;
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conf.context = nullptr;
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if (enabled) {
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@@ -278,8 +278,6 @@ CameraCapture::set_capture_control(bool enabled)
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err_out:
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::close(fd);
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#endif
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return;
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}
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void
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@@ -328,7 +326,7 @@ CameraCapture::status()
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{
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PX4_INFO("Capture enabled : %s", _capture_enabled ? "YES" : "NO");
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PX4_INFO("Frame sequence : %u", _capture_seq);
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PX4_INFO("Last trigger timestamp : %llu", _last_trig_time);
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PX4_INFO("Last trigger timestamp : %" PRIu64 "", _last_trig_time);
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if (_camera_capture_mode != 0) {
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PX4_INFO("Last exposure time : %0.2f ms", double(_last_exposure_time) / 1000.0);
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@@ -149,5 +149,3 @@ private:
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static void publish_trigger_trampoline(void *arg);
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};
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struct work_s CameraCapture::_work_publisher;
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@@ -1,6 +1,6 @@
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############################################################################
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#
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# Copyright (c) 2017 PX4 Development Team. All rights reserved.
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# Copyright (c) 2017-2019 PX4 Development Team. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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@@ -33,9 +33,9 @@
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px4_add_module(
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MODULE modules__camera_feedback
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MAIN camera_feedback
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COMPILE_FLAGS
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SRCS
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camera_feedback.cpp
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CameraFeedback.cpp
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CameraFeedback.hpp
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DEPENDS
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px4_work_queue
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)
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176
src/modules/camera_feedback/CameraFeedback.cpp
Normal file
176
src/modules/camera_feedback/CameraFeedback.cpp
Normal file
@@ -0,0 +1,176 @@
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/****************************************************************************
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*
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* Copyright (c) 2017-2019 PX4 Development Team. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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||||
* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name PX4 nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#include "CameraFeedback.hpp"
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CameraFeedback::CameraFeedback() :
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ModuleParams(nullptr),
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WorkItem(MODULE_NAME, px4::wq_configurations::hp_default)
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{
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}
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bool
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CameraFeedback::init()
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{
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if (!_trigger_sub.registerCallback()) {
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PX4_ERR("camera_trigger callback registration failed!");
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return false;
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}
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return true;
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}
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void
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CameraFeedback::Run()
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{
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if (should_exit()) {
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_trigger_sub.unregisterCallback();
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exit_and_cleanup();
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return;
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}
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camera_trigger_s trig{};
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if (_trigger_sub.update(&trig)) {
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// update geotagging subscriptions
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vehicle_global_position_s gpos{};
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_gpos_sub.copy(&gpos);
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vehicle_attitude_s att{};
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_att_sub.copy(&att);
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if (trig.timestamp == 0 ||
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gpos.timestamp == 0 ||
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att.timestamp == 0) {
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// reject until we have valid data
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return;
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}
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camera_capture_s capture{};
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// Fill timestamps
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capture.timestamp = trig.timestamp;
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capture.timestamp_utc = trig.timestamp_utc;
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// Fill image sequence
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capture.seq = trig.seq;
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// Fill position data
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capture.lat = gpos.lat;
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capture.lon = gpos.lon;
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capture.alt = gpos.alt;
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if (gpos.terrain_alt_valid) {
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capture.ground_distance = gpos.alt - gpos.terrain_alt;
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} else {
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capture.ground_distance = -1.0f;
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}
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// Fill attitude data
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// TODO : this needs to be rotated by camera orientation or set to gimbal orientation when available
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capture.q[0] = att.q[0];
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capture.q[1] = att.q[1];
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capture.q[2] = att.q[2];
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capture.q[3] = att.q[3];
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// Indicate whether capture feedback from camera is available
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// What is case 0 for capture.result?
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if (!_param_camera_capture_feedback.get()) {
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capture.result = -1;
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} else {
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capture.result = 1;
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}
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_capture_pub.publish(capture);
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}
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}
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int
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CameraFeedback::task_spawn(int argc, char *argv[])
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{
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CameraFeedback *instance = new CameraFeedback();
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if (instance) {
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_object.store(instance);
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_task_id = task_id_is_work_queue;
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if (instance->init()) {
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return PX4_OK;
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}
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} else {
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PX4_ERR("alloc failed");
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}
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delete instance;
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_object.store(nullptr);
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_task_id = -1;
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return PX4_ERROR;
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}
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int
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CameraFeedback::custom_command(int argc, char *argv[])
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{
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return print_usage("unknown command");
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}
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int
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CameraFeedback::print_usage(const char *reason)
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{
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if (reason) {
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PX4_WARN("%s\n", reason);
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}
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PRINT_MODULE_DESCRIPTION(
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R"DESCR_STR(
|
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### Description
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||||
|
||||
|
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)DESCR_STR");
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PRINT_MODULE_USAGE_NAME("camera_feedback", "system");
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PRINT_MODULE_USAGE_COMMAND("start");
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PRINT_MODULE_USAGE_DEFAULT_COMMANDS();
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return 0;
|
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}
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|
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extern "C" __EXPORT int camera_feedback_main(int argc, char *argv[])
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{
|
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return CameraFeedback::main(argc, argv);
|
||||
}
|
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@@ -1,6 +1,6 @@
|
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/****************************************************************************
|
||||
*
|
||||
* Copyright (c) 2017 PX4 Development Team. All rights reserved.
|
||||
* Copyright (c) 2017-2019 PX4 Development Team. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
@@ -32,81 +32,60 @@
|
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****************************************************************************/
|
||||
|
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/**
|
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* @file camera_feedback.hpp
|
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*
|
||||
* Online and offline geotagging from camera feedback
|
||||
*
|
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* @author Mohammed Kabir <kabir@uasys.io>
|
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*/
|
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|
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#pragma once
|
||||
|
||||
#include <stdio.h>
|
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#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <fcntl.h>
|
||||
#include <stdbool.h>
|
||||
#include <poll.h>
|
||||
#include <mathlib/mathlib.h>
|
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#include <systemlib/err.h>
|
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#include <parameters/param.h>
|
||||
|
||||
#include <lib/mathlib/mathlib.h>
|
||||
#include <lib/parameters/param.h>
|
||||
#include <px4_platform_common/px4_config.h>
|
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#include <px4_platform_common/defines.h>
|
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#include <px4_platform_common/tasks.h>
|
||||
#include <px4_platform_common/module.h>
|
||||
#include <px4_platform_common/module_params.h>
|
||||
#include <px4_platform_common/posix.h>
|
||||
#include <drivers/drv_hrt.h>
|
||||
|
||||
#include <uORB/uORB.h>
|
||||
#include <uORB/topics/camera_trigger.h>
|
||||
#include <px4_platform_common/px4_work_queue/WorkItem.hpp>
|
||||
#include <uORB/Publication.hpp>
|
||||
#include <uORB/Subscription.hpp>
|
||||
#include <uORB/SubscriptionCallback.hpp>
|
||||
#include <uORB/topics/camera_capture.h>
|
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#include <uORB/topics/camera_trigger.h>
|
||||
#include <uORB/topics/vehicle_attitude.h>
|
||||
#include <uORB/topics/vehicle_local_position.h>
|
||||
#include <uORB/topics/vehicle_global_position.h>
|
||||
|
||||
|
||||
class CameraFeedback
|
||||
class CameraFeedback : public ModuleBase<CameraFeedback>, public ModuleParams, public px4::WorkItem
|
||||
{
|
||||
public:
|
||||
/**
|
||||
* Constructor
|
||||
*/
|
||||
CameraFeedback();
|
||||
~CameraFeedback() override = default;
|
||||
|
||||
/**
|
||||
* Destructor, also kills task.
|
||||
*/
|
||||
~CameraFeedback();
|
||||
/** @see ModuleBase */
|
||||
static int task_spawn(int argc, char *argv[]);
|
||||
|
||||
/**
|
||||
* Start the task.
|
||||
*
|
||||
* @return OK on success.
|
||||
*/
|
||||
int start();
|
||||
/** @see ModuleBase */
|
||||
static int custom_command(int argc, char *argv[]);
|
||||
|
||||
/**
|
||||
* Stop the task.
|
||||
*/
|
||||
void stop();
|
||||
/** @see ModuleBase */
|
||||
static int print_usage(const char *reason = nullptr);
|
||||
|
||||
void Run() override;
|
||||
|
||||
bool init();
|
||||
|
||||
private:
|
||||
|
||||
bool _task_should_exit; /**< if true, task should exit */
|
||||
int _main_task; /**< handle for task */
|
||||
uORB::SubscriptionCallbackWorkItem _trigger_sub{this, ORB_ID(camera_trigger)};
|
||||
|
||||
int _trigger_sub;
|
||||
int _gpos_sub;
|
||||
int _att_sub;
|
||||
uORB::Subscription _gpos_sub{ORB_ID(vehicle_global_position)};
|
||||
uORB::Subscription _att_sub{ORB_ID(vehicle_attitude)};
|
||||
|
||||
orb_advert_t _capture_pub;
|
||||
uORB::Publication<camera_capture_s> _capture_pub{ORB_ID(camera_capture)};
|
||||
|
||||
param_t _p_camera_capture_feedback;
|
||||
|
||||
int32_t _camera_capture_feedback;
|
||||
|
||||
void task_main();
|
||||
|
||||
/**
|
||||
* Shim for calling task_main from task_create.
|
||||
*/
|
||||
static int task_main_trampoline(int argc, char *argv[]);
|
||||
DEFINE_PARAMETERS(
|
||||
(ParamBool<px4::params::CAM_CAP_FBACK>) _param_camera_capture_feedback
|
||||
)
|
||||
|
||||
};
|
||||
@@ -1,282 +0,0 @@
|
||||
/****************************************************************************
|
||||
*
|
||||
* Copyright (c) 2017 PX4 Development Team. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name PX4 nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/**
|
||||
* @file camera_feedback.cpp
|
||||
*
|
||||
* Online and offline geotagging from camera feedback
|
||||
*
|
||||
* @author Mohammed Kabir <kabir@uasys.io>
|
||||
*/
|
||||
|
||||
#include "camera_feedback.hpp"
|
||||
|
||||
namespace camera_feedback
|
||||
{
|
||||
CameraFeedback *g_camera_feedback;
|
||||
}
|
||||
|
||||
CameraFeedback::CameraFeedback() :
|
||||
_task_should_exit(false),
|
||||
_main_task(-1),
|
||||
_trigger_sub(-1),
|
||||
_gpos_sub(-1),
|
||||
_att_sub(-1),
|
||||
_capture_pub(nullptr),
|
||||
_camera_capture_feedback(false)
|
||||
{
|
||||
|
||||
// Parameters
|
||||
_p_camera_capture_feedback = param_find("CAM_CAP_FBACK");
|
||||
|
||||
param_get(_p_camera_capture_feedback, (int32_t *)&_camera_capture_feedback);
|
||||
|
||||
}
|
||||
|
||||
CameraFeedback::~CameraFeedback()
|
||||
{
|
||||
|
||||
if (_main_task != -1) {
|
||||
|
||||
/* task wakes up every 100ms or so at the longest */
|
||||
_task_should_exit = true;
|
||||
|
||||
/* wait for a second for the task to quit at our request */
|
||||
unsigned i = 0;
|
||||
|
||||
do {
|
||||
/* wait 20ms */
|
||||
px4_usleep(20000);
|
||||
|
||||
/* if we have given up, kill it */
|
||||
if (++i > 50) {
|
||||
px4_task_delete(_main_task);
|
||||
break;
|
||||
}
|
||||
} while (_main_task != -1);
|
||||
}
|
||||
|
||||
camera_feedback::g_camera_feedback = nullptr;
|
||||
}
|
||||
|
||||
int
|
||||
CameraFeedback::start()
|
||||
{
|
||||
|
||||
/* start the task */
|
||||
_main_task = px4_task_spawn_cmd("camera_feedback",
|
||||
SCHED_DEFAULT,
|
||||
SCHED_PRIORITY_DEFAULT + 15,
|
||||
1600,
|
||||
(px4_main_t)&CameraFeedback::task_main_trampoline,
|
||||
nullptr);
|
||||
|
||||
if (_main_task < 0) {
|
||||
warn("task start failed");
|
||||
return -errno;
|
||||
}
|
||||
|
||||
return OK;
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
CameraFeedback::stop()
|
||||
{
|
||||
if (camera_feedback::g_camera_feedback != nullptr) {
|
||||
delete (camera_feedback::g_camera_feedback);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
CameraFeedback::task_main()
|
||||
{
|
||||
_trigger_sub = orb_subscribe(ORB_ID(camera_trigger));
|
||||
|
||||
// Polling sources
|
||||
struct camera_trigger_s trig = {};
|
||||
|
||||
px4_pollfd_struct_t fds[1] = {};
|
||||
fds[0].fd = _trigger_sub;
|
||||
fds[0].events = POLLIN;
|
||||
|
||||
// Geotagging subscriptions
|
||||
_gpos_sub = orb_subscribe(ORB_ID(vehicle_global_position));
|
||||
_att_sub = orb_subscribe(ORB_ID(vehicle_attitude));
|
||||
struct vehicle_global_position_s gpos = {};
|
||||
struct vehicle_attitude_s att = {};
|
||||
|
||||
bool updated = false;
|
||||
|
||||
while (!_task_should_exit) {
|
||||
|
||||
/* wait for up to 20ms for data */
|
||||
int pret = px4_poll(&fds[0], (sizeof(fds) / sizeof(fds[0])), 20);
|
||||
|
||||
if (pret < 0) {
|
||||
PX4_WARN("poll error %d, %d", pret, errno);
|
||||
continue;
|
||||
}
|
||||
|
||||
/* trigger subscription updated */
|
||||
if (fds[0].revents & POLLIN) {
|
||||
|
||||
orb_copy(ORB_ID(camera_trigger), _trigger_sub, &trig);
|
||||
|
||||
/* update geotagging subscriptions */
|
||||
orb_check(_gpos_sub, &updated);
|
||||
|
||||
if (updated) {
|
||||
orb_copy(ORB_ID(vehicle_global_position), _gpos_sub, &gpos);
|
||||
}
|
||||
|
||||
orb_check(_att_sub, &updated);
|
||||
|
||||
if (updated) {
|
||||
orb_copy(ORB_ID(vehicle_attitude), _att_sub, &att);
|
||||
}
|
||||
|
||||
if (trig.timestamp == 0 ||
|
||||
gpos.timestamp == 0 ||
|
||||
att.timestamp == 0) {
|
||||
// reject until we have valid data
|
||||
continue;
|
||||
}
|
||||
|
||||
struct camera_capture_s capture = {};
|
||||
|
||||
// Fill timestamps
|
||||
capture.timestamp = trig.timestamp;
|
||||
|
||||
capture.timestamp_utc = trig.timestamp_utc;
|
||||
|
||||
// Fill image sequence
|
||||
capture.seq = trig.seq;
|
||||
|
||||
// Fill position data
|
||||
capture.lat = gpos.lat;
|
||||
|
||||
capture.lon = gpos.lon;
|
||||
|
||||
capture.alt = gpos.alt;
|
||||
|
||||
capture.ground_distance = gpos.terrain_alt_valid ? (gpos.alt - gpos.terrain_alt) : -1.0f;
|
||||
|
||||
// Fill attitude data
|
||||
// TODO : this needs to be rotated by camera orientation or set to gimbal orientation when available
|
||||
capture.q[0] = att.q[0];
|
||||
|
||||
capture.q[1] = att.q[1];
|
||||
|
||||
capture.q[2] = att.q[2];
|
||||
|
||||
capture.q[3] = att.q[3];
|
||||
|
||||
// Indicate whether capture feedback from camera is available
|
||||
// What is case 0 for capture.result?
|
||||
if (!_camera_capture_feedback) {
|
||||
capture.result = -1;
|
||||
|
||||
} else {
|
||||
capture.result = 1;
|
||||
}
|
||||
|
||||
int instance_id;
|
||||
|
||||
orb_publish_auto(ORB_ID(camera_capture), &_capture_pub, &capture, &instance_id, ORB_PRIO_DEFAULT);
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
orb_unsubscribe(_trigger_sub);
|
||||
orb_unsubscribe(_gpos_sub);
|
||||
orb_unsubscribe(_att_sub);
|
||||
|
||||
_main_task = -1;
|
||||
|
||||
}
|
||||
|
||||
int
|
||||
CameraFeedback::task_main_trampoline(int argc, char *argv[])
|
||||
{
|
||||
camera_feedback::g_camera_feedback->task_main();
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int usage()
|
||||
{
|
||||
PX4_INFO("usage: camera_feedback {start|stop}\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
extern "C" __EXPORT int camera_feedback_main(int argc, char *argv[]);
|
||||
|
||||
int camera_feedback_main(int argc, char *argv[])
|
||||
{
|
||||
if (argc < 2) {
|
||||
return usage();
|
||||
}
|
||||
|
||||
if (!strcmp(argv[1], "start")) {
|
||||
|
||||
if (camera_feedback::g_camera_feedback != nullptr) {
|
||||
PX4_WARN("already running");
|
||||
return 0;
|
||||
}
|
||||
|
||||
camera_feedback::g_camera_feedback = new CameraFeedback();
|
||||
|
||||
if (camera_feedback::g_camera_feedback == nullptr) {
|
||||
PX4_WARN("alloc failed");
|
||||
return 1;
|
||||
}
|
||||
|
||||
camera_feedback::g_camera_feedback->start();
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (camera_feedback::g_camera_feedback == nullptr) {
|
||||
PX4_WARN("not running");
|
||||
return 1;
|
||||
|
||||
} else if (!strcmp(argv[1], "stop")) {
|
||||
camera_feedback::g_camera_feedback->stop();
|
||||
|
||||
} else {
|
||||
return usage();
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
Reference in New Issue
Block a user