diff --git a/Makefile b/Makefile index 224910e0fc..1d1287b7f7 100644 --- a/Makefile +++ b/Makefile @@ -159,11 +159,11 @@ $(NUTTX_ARCHIVES): $(ARCHIVE_DIR)%.export: $(NUTTX_SRC) $(NUTTX_APPS) .PHONY: clean clean: $(Q) $(RMDIR) $(BUILD_DIR)*.build - $(Q) $(REMOVE) -f $(IMAGE_DIR)*.px4 + $(Q) $(REMOVE) $(IMAGE_DIR)*.px4 .PHONY: distclean distclean: clean - $(Q) $(REMOVE) -f $(ARCHIVE_DIR)*.export + $(Q) $(REMOVE) $(ARCHIVE_DIR)*.export $(Q) make -C $(NUTTX_SRC) -r $(MQUIET) distclean # @@ -196,6 +196,11 @@ help: @echo " distclean" @echo " Remove all compilation products, including NuttX RTOS archives." @echo "" + @echo " upload" + @echo " When exactly one config is being built, add this target to upload the" + @echo " firmware to the board when the build is complete. Not supported for" + @echo " all configurations." + @echo "" @echo " Common options:" @echo " ---------------" @echo "" diff --git a/ROMFS/px4fmu_common/init.d/rc.sensors b/ROMFS/px4fmu_common/init.d/rc.sensors index 42c2f52e94..62c7184b85 100644 --- a/ROMFS/px4fmu_common/init.d/rc.sensors +++ b/ROMFS/px4fmu_common/init.d/rc.sensors @@ -7,6 +7,14 @@ # Start sensor drivers here. # +# +# Check for UORB +# +if uorb start +then + echo "uORB started" +fi + ms5611 start adc start diff --git a/makefiles/README.txt b/makefiles/README.txt new file mode 100644 index 0000000000..8b84e4c40d --- /dev/null +++ b/makefiles/README.txt @@ -0,0 +1,71 @@ +PX4 Build System +================ + +The files in this directory implement the PX4 runtime firmware build system +and configuration for the standard PX4 boards and software, in conjunction +with Makefile in the parent directory. + +../Makefile + + Top-level makefile for the PX4 build system. This makefile supports + building NuttX archives, as well as supervising the building of all + of the defined PX4 firmware configurations. + + Try 'make help' in the parent directory for documentation. + +firmware.mk + + Manages the build for one specific firmware configuration. + See the comments at the top of this file for detailed documentation. + + Builds modules, builtin command lists and the ROMFS (if configured). + + This is the makefile directly used by external build systems; it can + be configured to compile modules both inside and outside the PX4 + source tree. When used in this mode, at least BOARD, MODULES and + CONFIG_FILE must be set. + +module.mk + + Called by firmware.mk to build individual modules. + See the comments at the top of this file for detailed documentation. + + Not normally used other than by firmware.mk. + +nuttx.mk + + Called by ../Makefile to build or download the NuttX archives. + +upload.mk + + Called by ../Makefile to upload files to a target board. Can be used + by external build systems as well. + +setup.mk + + Provides common path and tool definitions. Implements host system-specific + compatibility hacks. + +board_.mk + + Board-specific configuration for . Typically sets CONFIG_ARCH + and then includes the toolchain definition for the board. + +config__.mk + + Parameters for a specific configuration on a specific board. + The board name is derived from the filename. Sets MODULES to select + source modules to be included in the configuration, may also set + ROMFS_ROOT to build a ROMFS and BUILTIN_COMMANDS to include non-module + commands (e.g. from NuttX) + +toolchain_.mk + + Provides macros used to compile and link source files. + Accepts EXTRADEFINES to add additional pre-processor symbol definitions, + EXTRACFLAGS, EXTRACXXFLAGS, EXTRAAFLAGS and EXTRALDFLAGS to pass + additional flags to the C compiler, C++ compiler, assembler and linker + respectively. + + Defines the COMPILE, COMPILEXX, ASSEMBLE, PRELINK, ARCHIVE and LINK + macros that are used elsewhere in the build system. diff --git a/makefiles/config_px4fmu_default.mk b/makefiles/config_px4fmu_default.mk index 00d402c4a9..ae62b70347 100644 --- a/makefiles/config_px4fmu_default.mk +++ b/makefiles/config_px4fmu_default.mk @@ -105,6 +105,10 @@ MODULES += modules/uORB # https://pixhawk.ethz.ch/px4/dev/debug_values #MODULES += examples/px4_mavlink_debug +# Tutorial code from +# https://pixhawk.ethz.ch/px4/dev/example_fixedwing_control +MODULES += examples/fixedwing_control + # # Transitional support - add commands from the NuttX export archive. # diff --git a/makefiles/firmware.mk b/makefiles/firmware.mk index b63aa28d73..7afa3e787d 100644 --- a/makefiles/firmware.mk +++ b/makefiles/firmware.mk @@ -223,12 +223,15 @@ MODULE_OBJS := $(foreach path,$(dir $(MODULE_MKFILES)),$(WORK_DIR)$(path)module .PHONY: $(MODULE_OBJS) $(MODULE_OBJS): relpath = $(patsubst $(WORK_DIR)%,%,$@) $(MODULE_OBJS): mkfile = $(patsubst %module.pre.o,%module.mk,$(relpath)) +$(MODULE_OBJS): workdir = $(@D) $(MODULE_OBJS): $(GLOBAL_DEPS) $(NUTTX_CONFIG_HEADER) + $(Q) $(MKDIR) -p $(workdir) $(Q) $(MAKE) -r -f $(PX4_MK_DIR)module.mk \ - MODULE_WORK_DIR=$(dir $@) \ + -C $(workdir) \ + MODULE_WORK_DIR=$(workdir) \ MODULE_OBJ=$@ \ MODULE_MK=$(mkfile) \ - MODULE_NAME=$(lastword $(subst /, ,$(@D))) \ + MODULE_NAME=$(lastword $(subst /, ,$(workdir))) \ module # make a list of phony clean targets for modules @@ -266,14 +269,18 @@ endif # # Add dependencies on anything in the ROMFS root -ROMFS_DEPS += $(wildcard \ - (ROMFS_ROOT)/* \ - (ROMFS_ROOT)/*/* \ - (ROMFS_ROOT)/*/*/* \ - (ROMFS_ROOT)/*/*/*/* \ - (ROMFS_ROOT)/*/*/*/*/* \ - (ROMFS_ROOT)/*/*/*/*/*/*) -ROMFS_IMG = $(WORK_DIR)romfs.img +ROMFS_FILES += $(wildcard \ + $(ROMFS_ROOT)/* \ + $(ROMFS_ROOT)/*/* \ + $(ROMFS_ROOT)/*/*/* \ + $(ROMFS_ROOT)/*/*/*/* \ + $(ROMFS_ROOT)/*/*/*/*/* \ + $(ROMFS_ROOT)/*/*/*/*/*/*) +ifeq ($(ROMFS_FILES),) +$(error ROMFS_ROOT $(ROMFS_ROOT) specifies a directory containing no files) +endif +ROMFS_DEPS += $(ROMFS_FILES) +ROMFS_IMG = romfs.img ROMFS_CSRC = $(ROMFS_IMG:.img=.c) ROMFS_OBJ = $(ROMFS_CSRC:.c=.o) LIBS += $(ROMFS_OBJ) diff --git a/makefiles/module.mk b/makefiles/module.mk index 0fe6f0ffec..db6f4e15ec 100644 --- a/makefiles/module.mk +++ b/makefiles/module.mk @@ -39,6 +39,10 @@ # symbols, as the global namespace is shared between all modules. Normally an # module will just export one or more _main functions. # +# IMPORTANT NOTE: +# +# This makefile assumes it is being invoked in the module's output directory. +# # # Variables that can be set by the module's module.mk: @@ -179,26 +183,30 @@ CXXFLAGS += -fvisibility=$(DEFAULT_VISIBILITY) -include $(PX4_INCLUDE_DIR)visibi # module: $(MODULE_OBJ) $(MODULE_COMMAND_FILES) +## +## Locate sources (allows relative source paths in module.mk) +## +#define SRC_SEARCH +# $(abspath $(firstword $(wildcard $1) $(wildcard $(MODULE_SRC)/$1) MISSING_$1)) +#endef # -# Locate sources (allows relative source paths in module.mk) +#ABS_SRCS ?= $(foreach src,$(SRCS),$(call SRC_SEARCH,$(src))) +#MISSING_SRCS := $(subst MISSING_,,$(filter MISSING_%,$(ABS_SRCS))) +#ifneq ($(MISSING_SRCS),) +#$(error $(MODULE_MK): missing in SRCS: $(MISSING_SRCS)) +#endif +#ifeq ($(ABS_SRCS),) +#$(error $(MODULE_MK): nothing to compile in SRCS) +#endif # -define SRC_SEARCH - $(abspath $(firstword $(wildcard $1) $(wildcard $(MODULE_SRC)/$1) MISSING_$1)) -endef +## +## Object files we will generate from sources +## +#OBJS := $(foreach src,$(ABS_SRCS),$(MODULE_WORK_DIR)$(src).o) -ABS_SRCS ?= $(foreach src,$(SRCS),$(call SRC_SEARCH,$(src))) -MISSING_SRCS := $(subst MISSING_,,$(filter MISSING_%,$(ABS_SRCS))) -ifneq ($(MISSING_SRCS),) -$(error $(MODULE_MK): missing in SRCS: $(MISSING_SRCS)) -endif -ifeq ($(ABS_SRCS),) -$(error $(MODULE_MK): nothing to compile in SRCS) -endif - -# -# Object files we will generate from sources -# -OBJS := $(foreach src,$(ABS_SRCS),$(MODULE_WORK_DIR)$(src).o) +OBJS = $(addsuffix .o,$(SRCS)) +$(info SRCS $(SRCS)) +$(info OBJS $(OBJS)) # # SRCS -> OBJS rules @@ -206,13 +214,16 @@ OBJS := $(foreach src,$(ABS_SRCS),$(MODULE_WORK_DIR)$(src).o) $(OBJS): $(GLOBAL_DEPS) -$(filter %.c.o,$(OBJS)): $(MODULE_WORK_DIR)%.c.o: %.c $(GLOBAL_DEPS) +vpath %.c $(MODULE_SRC) +$(filter %.c.o,$(OBJS)): %.c.o: %.c $(GLOBAL_DEPS) $(call COMPILE,$<,$@) -$(filter %.cpp.o,$(OBJS)): $(MODULE_WORK_DIR)%.cpp.o: %.cpp $(GLOBAL_DEPS) +vpath %.cpp $(MODULE_SRC) +$(filter %.cpp.o,$(OBJS)): %.cpp.o: %.cpp $(GLOBAL_DEPS) $(call COMPILEXX,$<,$@) -$(filter %.S.o,$(OBJS)): $(MODULE_WORK_DIR)%.S.o: %.S $(GLOBAL_DEPS) +vpath %.S $(MODULE_SRC) +$(filter %.S.o,$(OBJS)): %.S.o: %.S $(GLOBAL_DEPS) $(call ASSEMBLE,$<,$@) # diff --git a/makefiles/toolchain_gnu-arm-eabi.mk b/makefiles/toolchain_gnu-arm-eabi.mk index 0e651e53c8..874e7154c7 100644 --- a/makefiles/toolchain_gnu-arm-eabi.mk +++ b/makefiles/toolchain_gnu-arm-eabi.mk @@ -254,6 +254,20 @@ endef # - relink the object and insert the binary file # - edit symbol names to suit # +# NOTE: exercise caution using this with absolute pathnames; it looks +# like the MinGW tools insert an extra _ in the binary symbol name; e.g. +# the path: +# +# /d/px4/firmware/Build/px4fmu_default.build/romfs.img +# +# is assigned symbols like: +# +# _binary_d__px4_firmware_Build_px4fmu_default_build_romfs_img_size +# +# when we would expect +# +# _binary__d_px4_firmware_Build_px4fmu_default_build_romfs_img_size +# define BIN_SYM_PREFIX _binary_$(subst /,_,$(subst .,_,$1)) endef @@ -267,4 +281,5 @@ define BIN_TO_OBJ --redefine-sym $(call BIN_SYM_PREFIX,$1)_start=$3 \ --redefine-sym $(call BIN_SYM_PREFIX,$1)_size=$3_len \ --strip-symbol $(call BIN_SYM_PREFIX,$1)_end + $(Q) $(REMOVE) $2.c $2.c.o endef diff --git a/src/examples/fixedwing_control/main.c b/src/examples/fixedwing_control/main.c new file mode 100644 index 0000000000..1753070e2f --- /dev/null +++ b/src/examples/fixedwing_control/main.c @@ -0,0 +1,474 @@ +/**************************************************************************** + * + * Copyright (c) 2013 PX4 Development Team. All rights reserved. + * Author: Lorenz Meier + * + * 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 main.c + * Implementation of a fixed wing attitude controller. This file is a complete + * fixed wing controller flying manual attitude control or auto waypoint control. + * There is no need to touch any other system components to extend / modify the + * complete control architecture. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* process-specific header files */ +#include "params.h" + +/* Prototypes */ +/** + * Daemon management function. + */ +__EXPORT int ex_fixedwing_control_main(int argc, char *argv[]); + +/** + * Mainloop of daemon. + */ +int fixedwing_control_thread_main(int argc, char *argv[]); + +/** + * Print the correct usage. + */ +static void usage(const char *reason); + +void control_attitude(const struct vehicle_attitude_setpoint_s *att_sp, const struct vehicle_attitude_s *att, + float speed_body[], float gyro[], struct vehicle_rates_setpoint_s *rates_sp, + struct actuator_controls_s *actuators); + +void control_heading(const struct vehicle_global_position_s *pos, const struct vehicle_global_position_setpoint_s *sp, + const struct vehicle_attitude_s *att, struct vehicle_attitude_setpoint_s *att_sp); + +/* Variables */ +static bool thread_should_exit = false; /**< Daemon exit flag */ +static bool thread_running = false; /**< Daemon status flag */ +static int deamon_task; /**< Handle of deamon task / thread */ +static struct params p; +static struct param_handles ph; + +void control_attitude(const struct vehicle_attitude_setpoint_s *att_sp, const struct vehicle_attitude_s *att, + float speed_body[], float gyro[], struct vehicle_rates_setpoint_s *rates_sp, + struct actuator_controls_s *actuators) +{ + + /* + * The PX4 architecture provides a mixer outside of the controller. + * The mixer is fed with a default vector of actuator controls, representing + * moments applied to the vehicle frame. This vector + * is structured as: + * + * Control Group 0 (attitude): + * + * 0 - roll (-1..+1) + * 1 - pitch (-1..+1) + * 2 - yaw (-1..+1) + * 3 - thrust ( 0..+1) + * 4 - flaps (-1..+1) + * ... + * + * Control Group 1 (payloads / special): + * + * ... + */ + + /* + * Calculate roll error and apply P gain + */ + float roll_err = att->roll - att_sp->roll_body; + actuators->control[0] = roll_err * p.roll_p; + + /* + * Calculate pitch error and apply P gain + */ + float pitch_err = att->pitch - att_sp->pitch_body; + actuators->control[1] = pitch_err * p.pitch_p; +} + +void control_heading(const struct vehicle_global_position_s *pos, const struct vehicle_global_position_setpoint_s *sp, + const struct vehicle_attitude_s *att, struct vehicle_attitude_setpoint_s *att_sp) +{ + + /* + * Calculate heading error of current position to desired position + */ + + /* PX4 uses 1e7 scaled integers to represent global coordinates for max resolution */ + float bearing = get_bearing_to_next_waypoint(pos->lat/1e7d, pos->lon/1e7d, sp->lat/1e7d, sp->lon/1e7d); + + /* calculate heading error */ + float yaw_err = att->yaw - bearing; + /* apply control gain */ + att_sp->roll_body = yaw_err * p.hdng_p; +} + +/* Main Thread */ +int fixedwing_control_thread_main(int argc, char *argv[]) +{ + /* read arguments */ + bool verbose = false; + + for (int i = 1; i < argc; i++) { + if (strcmp(argv[i], "-v") == 0 || strcmp(argv[i], "--verbose") == 0) { + verbose = true; + } + } + + /* welcome user (warnx prints a line, including an appended\n, with variable arguments */ + warnx("[example fixedwing control] started"); + + /* initialize parameters, first the handles, then the values */ + parameters_init(&ph); + parameters_update(&ph, &p); + + /* declare and safely initialize all structs to zero */ + struct vehicle_attitude_s att; + memset(&att, 0, sizeof(att)); + struct vehicle_attitude_setpoint_s att_sp; + memset(&att_sp, 0, sizeof(att_sp)); + struct vehicle_rates_setpoint_s rates_sp; + memset(&rates_sp, 0, sizeof(rates_sp)); + struct vehicle_global_position_s global_pos; + memset(&global_pos, 0, sizeof(global_pos)); + struct manual_control_setpoint_s manual_sp; + memset(&manual_sp, 0, sizeof(manual_sp)); + struct vehicle_status_s vstatus; + memset(&vstatus, 0, sizeof(vstatus)); + struct vehicle_global_position_setpoint_s global_sp; + memset(&global_sp, 0, sizeof(global_sp)); + + /* output structs */ + struct actuator_controls_s actuators; + memset(&actuators, 0, sizeof(actuators)); + + + /* publish actuator controls */ + for (unsigned i = 0; i < NUM_ACTUATOR_CONTROLS; i++) { + actuators.control[i] = 0.0f; + } + + orb_advert_t actuator_pub = orb_advertise(ORB_ID_VEHICLE_ATTITUDE_CONTROLS, &actuators); + orb_advert_t rates_pub = orb_advertise(ORB_ID(vehicle_rates_setpoint), &rates_sp); + + /* subscribe */ + int att_sub = orb_subscribe(ORB_ID(vehicle_attitude)); + int att_sp_sub = orb_subscribe(ORB_ID(vehicle_attitude_setpoint)); + int global_pos_sub = orb_subscribe(ORB_ID(vehicle_global_position)); + int manual_sp_sub = orb_subscribe(ORB_ID(manual_control_setpoint)); + int vstatus_sub = orb_subscribe(ORB_ID(vehicle_status)); + int global_sp_sub = orb_subscribe(ORB_ID(vehicle_global_position_setpoint)); + int param_sub = orb_subscribe(ORB_ID(parameter_update)); + + /* Setup of loop */ + float gyro[3] = {0.0f, 0.0f, 0.0f}; + float speed_body[3] = {0.0f, 0.0f, 0.0f}; + struct pollfd fds[2] = {{ .fd = param_sub, .events = POLLIN }, + { .fd = att_sub, .events = POLLIN }}; + + while (!thread_should_exit) { + + /* + * Wait for a sensor or param update, check for exit condition every 500 ms. + * This means that the execution will block here without consuming any resources, + * but will continue to execute the very moment a new attitude measurement or + * a param update is published. So no latency in contrast to the polling + * design pattern (do not confuse the poll() system call with polling). + * + * This design pattern makes the controller also agnostic of the attitude + * update speed - it runs as fast as the attitude updates with minimal latency. + */ + int ret = poll(fds, 2, 500); + + if (ret < 0) { + /* poll error, this will not really happen in practice */ + warnx("poll error"); + + } else if (ret == 0) { + /* no return value = nothing changed for 500 ms, ignore */ + } else { + + /* only update parameters if they changed */ + if (fds[0].revents & POLLIN) { + /* read from param to clear updated flag (uORB API requirement) */ + struct parameter_update_s update; + orb_copy(ORB_ID(parameter_update), param_sub, &update); + + /* if a param update occured, re-read our parameters */ + parameters_update(&ph, &p); + } + + /* only run controller if attitude changed */ + if (fds[1].revents & POLLIN) { + + + /* Check if there is a new position measurement or position setpoint */ + bool pos_updated; + orb_check(global_pos_sub, &pos_updated); + bool global_sp_updated; + orb_check(global_sp_sub, &global_sp_updated); + + /* get a local copy of attitude */ + orb_copy(ORB_ID(vehicle_attitude), att_sub, &att); + + if (global_sp_updated) + orb_copy(ORB_ID(vehicle_global_position_setpoint), global_sp_sub, &global_sp); + + if (pos_updated) { + orb_copy(ORB_ID(vehicle_global_position), global_pos_sub, &global_pos); + + if (att.R_valid) { + speed_body[0] = att.R[0][0] * global_pos.vx + att.R[0][1] * global_pos.vy + att.R[0][2] * global_pos.vz; + speed_body[1] = att.R[1][0] * global_pos.vx + att.R[1][1] * global_pos.vy + att.R[1][2] * global_pos.vz; + speed_body[2] = att.R[2][0] * global_pos.vx + att.R[2][1] * global_pos.vy + att.R[2][2] * global_pos.vz; + + } else { + speed_body[0] = 0; + speed_body[1] = 0; + speed_body[2] = 0; + + warnx("Did not get a valid R\n"); + } + } + + orb_copy(ORB_ID(manual_control_setpoint), manual_sp_sub, &manual_sp); + orb_copy(ORB_ID(vehicle_status), vstatus_sub, &vstatus); + + gyro[0] = att.rollspeed; + gyro[1] = att.pitchspeed; + gyro[2] = att.yawspeed; + + /* control */ + + if (vstatus.state_machine == SYSTEM_STATE_AUTO || + vstatus.state_machine == SYSTEM_STATE_STABILIZED) { + + /* simple heading control */ + control_heading(&global_pos, &global_sp, &att, &att_sp); + + /* nail pitch and yaw (rudder) to zero. This example only controls roll (index 0) */ + actuators.control[1] = 0.0f; + actuators.control[2] = 0.0f; + + /* simple attitude control */ + control_attitude(&att_sp, &att, speed_body, gyro, &rates_sp, &actuators); + + /* pass through throttle */ + actuators.control[3] = att_sp.thrust; + + /* set flaps to zero */ + actuators.control[4] = 0.0f; + + } else if (vstatus.state_machine == SYSTEM_STATE_MANUAL) { + if (vstatus.manual_control_mode == VEHICLE_MANUAL_CONTROL_MODE_SAS) { + + /* if the RC signal is lost, try to stay level and go slowly back down to ground */ + if (vstatus.rc_signal_lost) { + + /* put plane into loiter */ + att_sp.roll_body = 0.3f; + att_sp.pitch_body = 0.0f; + + /* limit throttle to 60 % of last value if sane */ + if (isfinite(manual_sp.throttle) && + (manual_sp.throttle >= 0.0f) && + (manual_sp.throttle <= 1.0f)) { + att_sp.thrust = 0.6f * manual_sp.throttle; + + } else { + att_sp.thrust = 0.0f; + } + + att_sp.yaw_body = 0; + + // XXX disable yaw control, loiter + + } else { + + att_sp.roll_body = manual_sp.roll; + att_sp.pitch_body = manual_sp.pitch; + att_sp.yaw_body = 0; + att_sp.thrust = manual_sp.throttle; + } + + att_sp.timestamp = hrt_absolute_time(); + + /* attitude control */ + control_attitude(&att_sp, &att, speed_body, gyro, &rates_sp, &actuators); + + /* pass through throttle */ + actuators.control[3] = att_sp.thrust; + + /* pass through flaps */ + if (isfinite(manual_sp.flaps)) { + actuators.control[4] = manual_sp.flaps; + + } else { + actuators.control[4] = 0.0f; + } + + } else if (vstatus.manual_control_mode == VEHICLE_MANUAL_CONTROL_MODE_DIRECT) { + /* directly pass through values */ + actuators.control[0] = manual_sp.roll; + /* positive pitch means negative actuator -> pull up */ + actuators.control[1] = manual_sp.pitch; + actuators.control[2] = manual_sp.yaw; + actuators.control[3] = manual_sp.throttle; + + if (isfinite(manual_sp.flaps)) { + actuators.control[4] = manual_sp.flaps; + + } else { + actuators.control[4] = 0.0f; + } + } + } + + /* publish rates */ + orb_publish(ORB_ID(vehicle_rates_setpoint), rates_pub, &rates_sp); + + /* sanity check and publish actuator outputs */ + if (isfinite(actuators.control[0]) && + isfinite(actuators.control[1]) && + isfinite(actuators.control[2]) && + isfinite(actuators.control[3])) { + orb_publish(ORB_ID_VEHICLE_ATTITUDE_CONTROLS, actuator_pub, &actuators); + } + } + } + } + + printf("[ex_fixedwing_control] exiting, stopping all motors.\n"); + thread_running = false; + + /* kill all outputs */ + for (unsigned i = 0; i < NUM_ACTUATOR_CONTROLS; i++) + actuators.control[i] = 0.0f; + + orb_publish(ORB_ID_VEHICLE_ATTITUDE_CONTROLS, actuator_pub, &actuators); + + fflush(stdout); + + return 0; +} + +/* Startup Functions */ + +static void +usage(const char *reason) +{ + if (reason) + fprintf(stderr, "%s\n", reason); + + fprintf(stderr, "usage: ex_fixedwing_control {start|stop|status}\n\n"); + exit(1); +} + +/** + * The daemon app only briefly exists to start + * the background job. The stack size assigned in the + * Makefile does only apply to this management task. + * + * The actual stack size should be set in the call + * to task_create(). + */ +int ex_fixedwing_control_main(int argc, char *argv[]) +{ + if (argc < 1) + usage("missing command"); + + if (!strcmp(argv[1], "start")) { + + if (thread_running) { + printf("ex_fixedwing_control already running\n"); + /* this is not an error */ + exit(0); + } + + thread_should_exit = false; + deamon_task = task_spawn("ex_fixedwing_control", + SCHED_DEFAULT, + SCHED_PRIORITY_MAX - 20, + 2048, + fixedwing_control_thread_main, + (argv) ? (const char **)&argv[2] : (const char **)NULL); + thread_running = true; + exit(0); + } + + if (!strcmp(argv[1], "stop")) { + thread_should_exit = true; + exit(0); + } + + if (!strcmp(argv[1], "status")) { + if (thread_running) { + printf("\tex_fixedwing_control is running\n"); + + } else { + printf("\tex_fixedwing_control not started\n"); + } + + exit(0); + } + + usage("unrecognized command"); + exit(1); +} + + + diff --git a/src/examples/fixedwing_control/module.mk b/src/examples/fixedwing_control/module.mk new file mode 100644 index 0000000000..d2c48934fc --- /dev/null +++ b/src/examples/fixedwing_control/module.mk @@ -0,0 +1,41 @@ +############################################################################ +# +# Copyright (c) 2012, 2013 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. +# +############################################################################ + +# +# Fixedwing Attitude Control Demo / Example Application +# + +MODULE_COMMAND = ex_fixedwing_control + +SRCS = main.c \ + params.c diff --git a/src/examples/fixedwing_control/params.c b/src/examples/fixedwing_control/params.c new file mode 100644 index 0000000000..8042c74f5e --- /dev/null +++ b/src/examples/fixedwing_control/params.c @@ -0,0 +1,77 @@ +/**************************************************************************** + * + * Copyright (c) 2013 PX4 Development Team. All rights reserved. + * Author: Lorenz Meier + * + * 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 params.c + * + * Parameters for fixedwing demo + */ + +#include "params.h" + +/* controller parameters, use max. 15 characters for param name! */ + +/** + * + */ +PARAM_DEFINE_FLOAT(EXFW_HDNG_P, 0.2f); + +/** + * + */ +PARAM_DEFINE_FLOAT(EXFW_ROLL_P, 0.2f); + +/** + * + */ +PARAM_DEFINE_FLOAT(EXFW_PITCH_P, 0.2f); + +int parameters_init(struct param_handles *h) +{ + /* PID parameters */ + h->hdng_p = param_find("EXFW_HDNG_P"); + h->roll_p = param_find("EXFW_ROLL_P"); + h->pitch_p = param_find("EXFW_PITCH_P"); + + return OK; +} + +int parameters_update(const struct param_handles *h, struct params *p) +{ + param_get(h->hdng_p, &(p->hdng_p)); + param_get(h->roll_p, &(p->roll_p)); + param_get(h->pitch_p, &(p->pitch_p)); + + return OK; +} diff --git a/src/examples/fixedwing_control/params.h b/src/examples/fixedwing_control/params.h new file mode 100644 index 0000000000..4ae8e90ec4 --- /dev/null +++ b/src/examples/fixedwing_control/params.h @@ -0,0 +1,65 @@ +/**************************************************************************** + * + * Copyright (c) 2013 PX4 Development Team. All rights reserved. + * Author: Lorenz Meier + * + * 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 params.h + * + * Definition of parameters for fixedwing example + */ + +#include + +struct params { + float hdng_p; + float roll_p; + float pitch_p; +}; + +struct param_handles { + param_t hdng_p; + param_t roll_p; + param_t pitch_p; +}; + +/** + * Initialize all parameter handles and values + * + */ +int parameters_init(struct param_handles *h); + +/** + * Update all parameters + * + */ +int parameters_update(const struct param_handles *h, struct params *p); diff --git a/src/examples/px4_daemon_app/module.mk b/src/examples/px4_daemon_app/module.mk index d23c19b75d..5f8aa73d57 100644 --- a/src/examples/px4_daemon_app/module.mk +++ b/src/examples/px4_daemon_app/module.mk @@ -37,4 +37,4 @@ MODULE_COMMAND = px4_daemon_app -SRCS = px4_daemon_app.c +SRCS = px4_daemon_app.c diff --git a/src/examples/px4_mavlink_debug/module.mk b/src/examples/px4_mavlink_debug/module.mk index 3d400fdbfc..fefd614961 100644 --- a/src/examples/px4_mavlink_debug/module.mk +++ b/src/examples/px4_mavlink_debug/module.mk @@ -37,4 +37,4 @@ MODULE_COMMAND = px4_mavlink_debug -SRCS = px4_mavlink_debug.c \ No newline at end of file +SRCS = px4_mavlink_debug.c \ No newline at end of file diff --git a/src/examples/px4_simple_app/module.mk b/src/examples/px4_simple_app/module.mk index 2c102fa500..32b06c3a58 100644 --- a/src/examples/px4_simple_app/module.mk +++ b/src/examples/px4_simple_app/module.mk @@ -37,4 +37,4 @@ MODULE_COMMAND = px4_simple_app -SRCS = px4_simple_app.c +SRCS = px4_simple_app.c diff --git a/src/modules/mathlib/CMSIS/module.mk b/src/modules/mathlib/CMSIS/module.mk index c676f32618..5e1abe642f 100644 --- a/src/modules/mathlib/CMSIS/module.mk +++ b/src/modules/mathlib/CMSIS/module.mk @@ -38,8 +38,9 @@ # # Find sources # -DSPLIB_SRCDIR := $(PX4_MODULE_SRC)/modules/mathlib/CMSIS -ABS_SRCS := $(wildcard $(DSPLIB_SRCDIR)/DSP_Lib/Source/*/*.c) +DSPLIB_SRCDIR := $(dir $(lastword $(MAKEFILE_LIST))) +SRCLIST := $(wildcard $(DSPLIB_SRCDIR)DSP_Lib/Source/*/*.c) +SRCS := $(patsubst $(DSPLIB_SRCDIR)%,%,$(SRCLIST)) INCLUDE_DIRS += $(DSPLIB_SRCDIR)/Include \ $(DSPLIB_SRCDIR)/Device/ARM/ARMCM4/Include \