diff options
Diffstat (limited to 'src/modules/sdlog')
-rw-r--r-- | src/modules/sdlog/module.mk | 43 | ||||
-rw-r--r-- | src/modules/sdlog/sdlog.c | 829 | ||||
-rw-r--r-- | src/modules/sdlog/sdlog_ringbuffer.c | 91 | ||||
-rw-r--r-- | src/modules/sdlog/sdlog_ringbuffer.h | 91 |
4 files changed, 1054 insertions, 0 deletions
diff --git a/src/modules/sdlog/module.mk b/src/modules/sdlog/module.mk new file mode 100644 index 000000000..89da2d827 --- /dev/null +++ b/src/modules/sdlog/module.mk @@ -0,0 +1,43 @@ +############################################################################ +# +# 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. +# +############################################################################ + +# +# sdlog Application +# + +MODULE_COMMAND = sdlog +# The main thread only buffers to RAM, needs a high priority +MODULE_PRIORITY = "SCHED_PRIORITY_MAX-30" + +SRCS = sdlog.c \ + sdlog_ringbuffer.c diff --git a/src/modules/sdlog/sdlog.c b/src/modules/sdlog/sdlog.c new file mode 100644 index 000000000..df8745d9f --- /dev/null +++ b/src/modules/sdlog/sdlog.c @@ -0,0 +1,829 @@ +/**************************************************************************** + * + * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * Author: Lorenz Meier <lm@inf.ethz.ch> + * + * 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 sdlog.c + * @author Lorenz Meier <lm@inf.ethz.ch> + * + * Simple SD logger for flight data. Buffers new sensor values and + * does the heavy SD I/O in a low-priority worker thread. + */ + +#include <nuttx/config.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/prctl.h> +#include <fcntl.h> +#include <errno.h> +#include <unistd.h> +#include <stdio.h> +#include <poll.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include <systemlib/err.h> +#include <unistd.h> +#include <drivers/drv_hrt.h> + +#include <uORB/uORB.h> +#include <uORB/topics/sensor_combined.h> +#include <uORB/topics/vehicle_attitude.h> +#include <uORB/topics/vehicle_attitude_setpoint.h> +#include <uORB/topics/actuator_outputs.h> +#include <uORB/topics/actuator_controls.h> +#include <uORB/topics/actuator_controls_effective.h> +#include <uORB/topics/vehicle_command.h> +#include <uORB/topics/vehicle_local_position.h> +#include <uORB/topics/vehicle_global_position.h> +#include <uORB/topics/vehicle_gps_position.h> +#include <uORB/topics/vehicle_vicon_position.h> +#include <uORB/topics/optical_flow.h> +#include <uORB/topics/battery_status.h> +#include <uORB/topics/differential_pressure.h> + +#include <systemlib/systemlib.h> + +#include <mavlink/mavlink_log.h> + +#include "sdlog_ringbuffer.h" + +static bool thread_should_exit = false; /**< Deamon exit flag */ +static bool thread_running = false; /**< Deamon status flag */ +static int deamon_task; /**< Handle of deamon task / thread */ +static const int MAX_NO_LOGFOLDER = 999; /**< Maximum number of log folders */ + +static const char *mountpoint = "/fs/microsd"; +static const char *mfile_in = "/etc/logging/logconv.m"; +int sysvector_file = -1; +int mavlink_fd = -1; +struct sdlog_logbuffer lb; + +/* mutex / condition to synchronize threads */ +pthread_mutex_t sysvector_mutex; +pthread_cond_t sysvector_cond; + +/** + * System state vector log buffer writing + */ +static void *sdlog_sysvector_write_thread(void *arg); + +/** + * Create the thread to write the system vector + */ +pthread_t sysvector_write_start(struct sdlog_logbuffer *logbuf); + +/** + * SD log management function. + */ +__EXPORT int sdlog_main(int argc, char *argv[]); + +/** + * Mainloop of sd log deamon. + */ +int sdlog_thread_main(int argc, char *argv[]); + +/** + * Print the correct usage. + */ +static void usage(const char *reason); + +static int file_exist(const char *filename); + +static int file_copy(const char *file_old, const char *file_new); + +static void handle_command(struct vehicle_command_s *cmd); + +/** + * Print the current status. + */ +static void print_sdlog_status(void); + +/** + * Create folder for current logging session. + */ +static int create_logfolder(char *folder_path); + +static void +usage(const char *reason) +{ + if (reason) + fprintf(stderr, "%s\n", reason); + + errx(1, "usage: sdlog {start|stop|status} [-s <number of skipped lines>]\n\n"); +} + +// XXX turn this into a C++ class +unsigned sensor_combined_bytes = 0; +unsigned actuator_outputs_bytes = 0; +unsigned actuator_controls_bytes = 0; +unsigned sysvector_bytes = 0; +unsigned blackbox_file_bytes = 0; +uint64_t starttime = 0; + +/* logging on or off, default to true */ +bool logging_enabled = true; + +/** + * The sd log deamon 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_spawn(). + */ +int sdlog_main(int argc, char *argv[]) +{ + if (argc < 1) + usage("missing command"); + + if (!strcmp(argv[1], "start")) { + + if (thread_running) { + printf("sdlog already running\n"); + /* this is not an error */ + exit(0); + } + + thread_should_exit = false; + deamon_task = task_spawn("sdlog", + SCHED_DEFAULT, + SCHED_PRIORITY_DEFAULT - 30, + 4096, + sdlog_thread_main, + (const char **)argv); + exit(0); + } + + if (!strcmp(argv[1], "stop")) { + if (!thread_running) { + printf("\tsdlog is not started\n"); + } + + thread_should_exit = true; + exit(0); + } + + if (!strcmp(argv[1], "status")) { + if (thread_running) { + print_sdlog_status(); + + } else { + printf("\tsdlog not started\n"); + } + + exit(0); + } + + usage("unrecognized command"); + exit(1); +} + +int create_logfolder(char *folder_path) +{ + /* make folder on sdcard */ + uint16_t foldernumber = 1; // start with folder 0001 + int mkdir_ret; + + /* look for the next folder that does not exist */ + while (foldernumber < MAX_NO_LOGFOLDER) { + /* set up file path: e.g. /mnt/sdcard/sensorfile0001.txt */ + sprintf(folder_path, "%s/session%04u", mountpoint, foldernumber); + mkdir_ret = mkdir(folder_path, S_IRWXU | S_IRWXG | S_IRWXO); + /* the result is -1 if the folder exists */ + + if (mkdir_ret == 0) { + /* folder does not exist, success */ + + /* now copy the Matlab/Octave file */ + char mfile_out[100]; + sprintf(mfile_out, "%s/session%04u/run_to_plot_data.m", mountpoint, foldernumber); + int ret = file_copy(mfile_in, mfile_out); + + if (!ret) { + warnx("copied m file to %s", mfile_out); + + } else { + warnx("failed copying m file from %s to\n %s", mfile_in, mfile_out); + } + + break; + + } else if (mkdir_ret == -1) { + /* folder exists already */ + foldernumber++; + continue; + + } else { + warn("failed creating new folder"); + return -1; + } + } + + if (foldernumber >= MAX_NO_LOGFOLDER) { + /* we should not end up here, either we have more than MAX_NO_LOGFOLDER on the SD card, or another problem */ + warn("all %d possible folders exist already", MAX_NO_LOGFOLDER); + return -1; + } + + return 0; +} + + +static void * +sdlog_sysvector_write_thread(void *arg) +{ + /* set name */ + prctl(PR_SET_NAME, "sdlog microSD I/O", 0); + + struct sdlog_logbuffer *logbuf = (struct sdlog_logbuffer *)arg; + + int poll_count = 0; + struct sdlog_sysvector sysvect; + memset(&sysvect, 0, sizeof(sysvect)); + + while (!thread_should_exit) { + + /* make sure threads are synchronized */ + pthread_mutex_lock(&sysvector_mutex); + + /* only wait if no data is available to process */ + if (sdlog_logbuffer_is_empty(logbuf)) { + /* blocking wait for new data at this line */ + pthread_cond_wait(&sysvector_cond, &sysvector_mutex); + } + + /* only quickly load data, do heavy I/O a few lines down */ + int ret = sdlog_logbuffer_read(logbuf, &sysvect); + /* continue */ + pthread_mutex_unlock(&sysvector_mutex); + + if (ret == OK) { + sysvector_bytes += write(sysvector_file, (const char *)&sysvect, sizeof(sysvect)); + } + + if (poll_count % 100 == 0) { + fsync(sysvector_file); + } + + poll_count++; + } + + fsync(sysvector_file); + + return OK; +} + +pthread_t +sysvector_write_start(struct sdlog_logbuffer *logbuf) +{ + pthread_attr_t receiveloop_attr; + pthread_attr_init(&receiveloop_attr); + + struct sched_param param; + /* low priority, as this is expensive disk I/O */ + param.sched_priority = SCHED_PRIORITY_DEFAULT - 40; + (void)pthread_attr_setschedparam(&receiveloop_attr, ¶m); + + pthread_attr_setstacksize(&receiveloop_attr, 2048); + + pthread_t thread; + pthread_create(&thread, &receiveloop_attr, sdlog_sysvector_write_thread, logbuf); + return thread; + + // XXX we have to destroy the attr at some point +} + + +int sdlog_thread_main(int argc, char *argv[]) +{ + mavlink_fd = open(MAVLINK_LOG_DEVICE, 0); + + if (mavlink_fd < 0) { + warnx("ERROR: Failed to open MAVLink log stream, start mavlink app first.\n"); + } + + /* log every n'th value (skip three per default) */ + int skip_value = 3; + + /* work around some stupidity in task_create's argv handling */ + argc -= 2; + argv += 2; + int ch; + + while ((ch = getopt(argc, argv, "s:r")) != EOF) { + switch (ch) { + case 's': + { + /* log only every n'th (gyro clocked) value */ + unsigned s = strtoul(optarg, NULL, 10); + + if (s < 1 || s > 250) { + errx(1, "Wrong skip value of %d, out of range (1..250)\n", s); + } else { + skip_value = s; + } + } + break; + + case 'r': + /* log only on request, disable logging per default */ + logging_enabled = false; + break; + + case '?': + if (optopt == 'c') { + warnx("Option -%c requires an argument.\n", optopt); + } else if (isprint(optopt)) { + warnx("Unknown option `-%c'.\n", optopt); + } else { + warnx("Unknown option character `\\x%x'.\n", optopt); + } + + default: + usage("unrecognized flag"); + errx(1, "exiting."); + } + } + + if (file_exist(mountpoint) != OK) { + errx(1, "logging mount point %s not present, exiting.", mountpoint); + } + + char folder_path[64]; + + if (create_logfolder(folder_path)) + errx(1, "unable to create logging folder, exiting."); + + FILE *gpsfile; + FILE *blackbox_file; + + /* string to hold the path to the sensorfile */ + char path_buf[64] = ""; + + /* only print logging path, important to find log file later */ + warnx("logging to directory %s\n", folder_path); + + /* set up file path: e.g. /mnt/sdcard/session0001/actuator_controls0.bin */ + sprintf(path_buf, "%s/%s.bin", folder_path, "sysvector"); + + if (0 == (sysvector_file = open(path_buf, O_CREAT | O_WRONLY | O_DSYNC))) { + errx(1, "opening %s failed.\n", path_buf); + } + + /* set up file path: e.g. /mnt/sdcard/session0001/gps.txt */ + sprintf(path_buf, "%s/%s.txt", folder_path, "gps"); + + if (NULL == (gpsfile = fopen(path_buf, "w"))) { + errx(1, "opening %s failed.\n", path_buf); + } + + int gpsfile_no = fileno(gpsfile); + + /* set up file path: e.g. /mnt/sdcard/session0001/blackbox.txt */ + sprintf(path_buf, "%s/%s.txt", folder_path, "blackbox"); + + if (NULL == (blackbox_file = fopen(path_buf, "w"))) { + errx(1, "opening %s failed.\n", path_buf); + } + + // XXX for fsync() calls + int blackbox_file_no = fileno(blackbox_file); + + /* --- IMPORTANT: DEFINE NUMBER OF ORB STRUCTS TO WAIT FOR HERE --- */ + /* number of messages */ + const ssize_t fdsc = 25; + /* Sanity check variable and index */ + ssize_t fdsc_count = 0; + /* file descriptors to wait for */ + struct pollfd fds[fdsc]; + + + struct { + struct sensor_combined_s raw; + struct vehicle_attitude_s att; + struct vehicle_attitude_setpoint_s att_sp; + struct actuator_outputs_s act_outputs; + struct actuator_controls_s act_controls; + struct actuator_controls_effective_s act_controls_effective; + struct vehicle_command_s cmd; + struct vehicle_local_position_s local_pos; + struct vehicle_global_position_s global_pos; + struct vehicle_gps_position_s gps_pos; + struct vehicle_vicon_position_s vicon_pos; + struct optical_flow_s flow; + struct battery_status_s batt; + struct differential_pressure_s diff_pressure; + } buf; + memset(&buf, 0, sizeof(buf)); + + struct { + int cmd_sub; + int sensor_sub; + int att_sub; + int spa_sub; + int act_0_sub; + int controls_0_sub; + int controls_effective_0_sub; + int local_pos_sub; + int global_pos_sub; + int gps_pos_sub; + int vicon_pos_sub; + int flow_sub; + int batt_sub; + int diff_pressure_sub; + } subs; + + /* --- MANAGEMENT - LOGGING COMMAND --- */ + /* subscribe to ORB for vehicle command */ + subs.cmd_sub = orb_subscribe(ORB_ID(vehicle_command)); + fds[fdsc_count].fd = subs.cmd_sub; + fds[fdsc_count].events = POLLIN; + fdsc_count++; + + /* --- GPS POSITION --- */ + /* subscribe to ORB for global position */ + subs.gps_pos_sub = orb_subscribe(ORB_ID(vehicle_gps_position)); + fds[fdsc_count].fd = subs.gps_pos_sub; + fds[fdsc_count].events = POLLIN; + fdsc_count++; + + /* --- SENSORS RAW VALUE --- */ + /* subscribe to ORB for sensors raw */ + subs.sensor_sub = orb_subscribe(ORB_ID(sensor_combined)); + fds[fdsc_count].fd = subs.sensor_sub; + /* do not rate limit, instead use skip counter (aliasing on rate limit) */ + fds[fdsc_count].events = POLLIN; + fdsc_count++; + + /* --- ATTITUDE VALUE --- */ + /* subscribe to ORB for attitude */ + subs.att_sub = orb_subscribe(ORB_ID(vehicle_attitude)); + fds[fdsc_count].fd = subs.att_sub; + fds[fdsc_count].events = POLLIN; + fdsc_count++; + + /* --- ATTITUDE SETPOINT VALUE --- */ + /* subscribe to ORB for attitude setpoint */ + /* struct already allocated */ + subs.spa_sub = orb_subscribe(ORB_ID(vehicle_attitude_setpoint)); + fds[fdsc_count].fd = subs.spa_sub; + fds[fdsc_count].events = POLLIN; + fdsc_count++; + + /** --- ACTUATOR OUTPUTS --- */ + subs.act_0_sub = orb_subscribe(ORB_ID(actuator_outputs_0)); + fds[fdsc_count].fd = subs.act_0_sub; + fds[fdsc_count].events = POLLIN; + fdsc_count++; + + /* --- ACTUATOR CONTROL VALUE --- */ + /* subscribe to ORB for actuator control */ + subs.controls_0_sub = orb_subscribe(ORB_ID_VEHICLE_ATTITUDE_CONTROLS); + fds[fdsc_count].fd = subs.controls_0_sub; + fds[fdsc_count].events = POLLIN; + fdsc_count++; + + /* --- ACTUATOR CONTROL EFFECTIVE VALUE --- */ + /* subscribe to ORB for actuator control */ + subs.controls_effective_0_sub = orb_subscribe(ORB_ID_VEHICLE_ATTITUDE_CONTROLS_EFFECTIVE); + fds[fdsc_count].fd = subs.controls_effective_0_sub; + fds[fdsc_count].events = POLLIN; + fdsc_count++; + + /* --- LOCAL POSITION --- */ + /* subscribe to ORB for local position */ + subs.local_pos_sub = orb_subscribe(ORB_ID(vehicle_local_position)); + fds[fdsc_count].fd = subs.local_pos_sub; + fds[fdsc_count].events = POLLIN; + fdsc_count++; + + /* --- GLOBAL POSITION --- */ + /* subscribe to ORB for global position */ + subs.global_pos_sub = orb_subscribe(ORB_ID(vehicle_global_position)); + fds[fdsc_count].fd = subs.global_pos_sub; + fds[fdsc_count].events = POLLIN; + fdsc_count++; + + /* --- VICON POSITION --- */ + /* subscribe to ORB for vicon position */ + subs.vicon_pos_sub = orb_subscribe(ORB_ID(vehicle_vicon_position)); + fds[fdsc_count].fd = subs.vicon_pos_sub; + fds[fdsc_count].events = POLLIN; + fdsc_count++; + + /* --- FLOW measurements --- */ + /* subscribe to ORB for flow measurements */ + subs.flow_sub = orb_subscribe(ORB_ID(optical_flow)); + fds[fdsc_count].fd = subs.flow_sub; + fds[fdsc_count].events = POLLIN; + fdsc_count++; + + /* --- BATTERY STATUS --- */ + /* subscribe to ORB for flow measurements */ + subs.batt_sub = orb_subscribe(ORB_ID(battery_status)); + fds[fdsc_count].fd = subs.batt_sub; + fds[fdsc_count].events = POLLIN; + fdsc_count++; + + /* --- DIFFERENTIAL PRESSURE --- */ + /* subscribe to ORB for flow measurements */ + subs.diff_pressure_sub = orb_subscribe(ORB_ID(differential_pressure)); + fds[fdsc_count].fd = subs.diff_pressure_sub; + fds[fdsc_count].events = POLLIN; + fdsc_count++; + + /* WARNING: If you get the error message below, + * then the number of registered messages (fdsc) + * differs from the number of messages in the above list. + */ + if (fdsc_count > fdsc) { + warn("WARNING: Not enough space for poll fds allocated. Check %s:%d.\n", __FILE__, __LINE__); + fdsc_count = fdsc; + } + + /* + * set up poll to block for new data, + * wait for a maximum of 1000 ms (1 second) + */ + // const int timeout = 1000; + + thread_running = true; + + /* initialize log buffer with a size of 10 */ + sdlog_logbuffer_init(&lb, 10); + + /* initialize thread synchronization */ + pthread_mutex_init(&sysvector_mutex, NULL); + pthread_cond_init(&sysvector_cond, NULL); + + /* start logbuffer emptying thread */ + pthread_t sysvector_pthread = sysvector_write_start(&lb); + + starttime = hrt_absolute_time(); + + /* track skipping */ + int skip_count = 0; + + while (!thread_should_exit) { + + /* only poll for commands, gps and sensor_combined */ + int poll_ret = poll(fds, 3, 1000); + + /* handle the poll result */ + if (poll_ret == 0) { + /* XXX this means none of our providers is giving us data - might be an error? */ + } else if (poll_ret < 0) { + /* XXX this is seriously bad - should be an emergency */ + } else { + + int ifds = 0; + + /* --- VEHICLE COMMAND VALUE --- */ + if (fds[ifds++].revents & POLLIN) { + /* copy command into local buffer */ + orb_copy(ORB_ID(vehicle_command), subs.cmd_sub, &buf.cmd); + + /* always log to blackbox, even when logging disabled */ + blackbox_file_bytes += fprintf(blackbox_file, "[%10.4f\tVCMD] CMD #%d [%f\t%f\t%f\t%f\t%f\t%f\t%f]\n", hrt_absolute_time()/1000000.0d, + buf.cmd.command, (double)buf.cmd.param1, (double)buf.cmd.param2, (double)buf.cmd.param3, (double)buf.cmd.param4, + (double)buf.cmd.param5, (double)buf.cmd.param6, (double)buf.cmd.param7); + + handle_command(&buf.cmd); + } + + /* --- VEHICLE GPS VALUE --- */ + if (fds[ifds++].revents & POLLIN) { + /* copy gps position into local buffer */ + orb_copy(ORB_ID(vehicle_gps_position), subs.gps_pos_sub, &buf.gps_pos); + + /* if logging disabled, continue */ + if (logging_enabled) { + + /* write KML line */ + } + } + + /* --- SENSORS RAW VALUE --- */ + if (fds[ifds++].revents & POLLIN) { + + // /* copy sensors raw data into local buffer */ + // orb_copy(ORB_ID(sensor_combined), subs.sensor_sub, &buf.raw); + // /* write out */ + // sensor_combined_bytes += write(sensorfile, (const char*)&(buf.raw), sizeof(buf.raw)); + + /* always copy sensors raw data into local buffer, since poll flags won't clear else */ + orb_copy(ORB_ID(sensor_combined), subs.sensor_sub, &buf.raw); + orb_copy(ORB_ID_VEHICLE_ATTITUDE_CONTROLS, subs.controls_0_sub, &buf.act_controls); + orb_copy(ORB_ID_VEHICLE_ATTITUDE_CONTROLS_EFFECTIVE, subs.controls_effective_0_sub, &buf.act_controls_effective); + orb_copy(ORB_ID(actuator_outputs_0), subs.act_0_sub, &buf.act_outputs); + orb_copy(ORB_ID(vehicle_attitude_setpoint), subs.spa_sub, &buf.att_sp); + orb_copy(ORB_ID(vehicle_gps_position), subs.gps_pos_sub, &buf.gps_pos); + orb_copy(ORB_ID(vehicle_local_position), subs.local_pos_sub, &buf.local_pos); + orb_copy(ORB_ID(vehicle_global_position), subs.global_pos_sub, &buf.global_pos); + orb_copy(ORB_ID(vehicle_attitude), subs.att_sub, &buf.att); + orb_copy(ORB_ID(vehicle_vicon_position), subs.vicon_pos_sub, &buf.vicon_pos); + orb_copy(ORB_ID(optical_flow), subs.flow_sub, &buf.flow); + orb_copy(ORB_ID(differential_pressure), subs.diff_pressure_sub, &buf.diff_pressure); + orb_copy(ORB_ID(battery_status), subs.batt_sub, &buf.batt); + + /* if skipping is on or logging is disabled, ignore */ + if (skip_count < skip_value || !logging_enabled) { + skip_count++; + /* do not log data */ + continue; + } else { + /* log data, reset */ + skip_count = 0; + } + + struct sdlog_sysvector sysvect = { + .timestamp = buf.raw.timestamp, + .gyro = {buf.raw.gyro_rad_s[0], buf.raw.gyro_rad_s[1], buf.raw.gyro_rad_s[2]}, + .accel = {buf.raw.accelerometer_m_s2[0], buf.raw.accelerometer_m_s2[1], buf.raw.accelerometer_m_s2[2]}, + .mag = {buf.raw.magnetometer_ga[0], buf.raw.magnetometer_ga[1], buf.raw.magnetometer_ga[2]}, + .baro = buf.raw.baro_pres_mbar, + .baro_alt = buf.raw.baro_alt_meter, + .baro_temp = buf.raw.baro_temp_celcius, + .control = {buf.act_controls.control[0], buf.act_controls.control[1], buf.act_controls.control[2], buf.act_controls.control[3]}, + .actuators = { + buf.act_outputs.output[0], buf.act_outputs.output[1], buf.act_outputs.output[2], buf.act_outputs.output[3], + buf.act_outputs.output[4], buf.act_outputs.output[5], buf.act_outputs.output[6], buf.act_outputs.output[7] + }, + .vbat = buf.batt.voltage_v, + .bat_current = buf.batt.current_a, + .bat_discharged = buf.batt.discharged_mah, + .adc = {buf.raw.adc_voltage_v[0], buf.raw.adc_voltage_v[1], buf.raw.adc_voltage_v[2], buf.raw.adc_voltage_v[3]}, + .local_position = {buf.local_pos.x, buf.local_pos.y, buf.local_pos.z}, + .gps_raw_position = {buf.gps_pos.lat, buf.gps_pos.lon, buf.gps_pos.alt}, + .attitude = {buf.att.pitch, buf.att.roll, buf.att.yaw}, + .rotMatrix = {buf.att.R[0][0], buf.att.R[0][1], buf.att.R[0][2], buf.att.R[1][0], buf.att.R[1][1], buf.att.R[1][2], buf.att.R[2][0], buf.att.R[2][1], buf.att.R[2][2]}, + .vicon = {buf.vicon_pos.x, buf.vicon_pos.y, buf.vicon_pos.z, buf.vicon_pos.roll, buf.vicon_pos.pitch, buf.vicon_pos.yaw}, + .control_effective = {buf.act_controls_effective.control_effective[0], buf.act_controls_effective.control_effective[1], buf.act_controls_effective.control_effective[2], buf.act_controls_effective.control_effective[3]}, + .flow = {buf.flow.flow_raw_x, buf.flow.flow_raw_y, buf.flow.flow_comp_x_m, buf.flow.flow_comp_y_m, buf.flow.ground_distance_m, buf.flow.quality}, + .diff_pressure = buf.diff_pressure.differential_pressure_mbar, + .ind_airspeed = buf.diff_pressure.indicated_airspeed_m_s, + .true_airspeed = buf.diff_pressure.true_airspeed_m_s + }; + + /* put into buffer for later IO */ + pthread_mutex_lock(&sysvector_mutex); + sdlog_logbuffer_write(&lb, &sysvect); + /* signal the other thread new data, but not yet unlock */ + if ((unsigned)lb.count > (lb.size / 2)) { + /* only request write if several packets can be written at once */ + pthread_cond_signal(&sysvector_cond); + } + /* unlock, now the writer thread may run */ + pthread_mutex_unlock(&sysvector_mutex); + } + + } + + } + + print_sdlog_status(); + + /* wake up write thread one last time */ + pthread_mutex_lock(&sysvector_mutex); + pthread_cond_signal(&sysvector_cond); + /* unlock, now the writer thread may return */ + pthread_mutex_unlock(&sysvector_mutex); + + /* wait for write thread to return */ + (void)pthread_join(sysvector_pthread, NULL); + + pthread_mutex_destroy(&sysvector_mutex); + pthread_cond_destroy(&sysvector_cond); + + warnx("exiting.\n\n"); + + /* finish KML file */ + // XXX + fclose(gpsfile); + fclose(blackbox_file); + + thread_running = false; + + return 0; +} + +void print_sdlog_status() +{ + unsigned bytes = sysvector_bytes + sensor_combined_bytes + actuator_outputs_bytes + blackbox_file_bytes + actuator_controls_bytes; + float mebibytes = bytes / 1024.0f / 1024.0f; + float seconds = ((float)(hrt_absolute_time() - starttime)) / 1000000.0f; + + warnx("wrote %4.2f MiB (average %5.3f MiB/s).\n", (double)mebibytes, (double)(mebibytes / seconds)); +} + +/** + * @return 0 if file exists + */ +int file_exist(const char *filename) +{ + struct stat buffer; + return stat(filename, &buffer); +} + +int file_copy(const char *file_old, const char *file_new) +{ + FILE *source, *target; + source = fopen(file_old, "r"); + int ret = 0; + + if (source == NULL) { + warnx("failed opening input file to copy"); + return 1; + } + + target = fopen(file_new, "w"); + + if (target == NULL) { + fclose(source); + warnx("failed to open output file to copy"); + return 1; + } + + char buf[128]; + int nread; + + while ((nread = fread(buf, 1, sizeof(buf), source)) > 0) { + int ret = fwrite(buf, 1, nread, target); + + if (ret <= 0) { + warnx("error writing file"); + ret = 1; + break; + } + } + + fsync(fileno(target)); + + fclose(source); + fclose(target); + + return ret; +} + +void handle_command(struct vehicle_command_s *cmd) +{ + /* result of the command */ + uint8_t result = VEHICLE_CMD_RESULT_UNSUPPORTED; + + /* request to set different system mode */ + switch (cmd->command) { + + case VEHICLE_CMD_PREFLIGHT_STORAGE: + + if (((int)(cmd->param3)) == 1) { + + /* enable logging */ + mavlink_log_info(mavlink_fd, "[log] file:"); + mavlink_log_info(mavlink_fd, "logdir"); + logging_enabled = true; + } + if (((int)(cmd->param3)) == 0) { + + /* disable logging */ + mavlink_log_info(mavlink_fd, "[log] stopped."); + logging_enabled = false; + } + break; + + default: + /* silently ignore */ + break; + } + +} diff --git a/src/modules/sdlog/sdlog_ringbuffer.c b/src/modules/sdlog/sdlog_ringbuffer.c new file mode 100644 index 000000000..d7c8a4759 --- /dev/null +++ b/src/modules/sdlog/sdlog_ringbuffer.c @@ -0,0 +1,91 @@ +/**************************************************************************** + * + * Copyright (C) 2013 PX4 Development Team. All rights reserved. + * Author: Lorenz Meier <lm@inf.ethz.ch> + * + * 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 sdlog_log.c + * MAVLink text logging. + * + * @author Lorenz Meier <lm@inf.ethz.ch> + */ + +#include <string.h> +#include <stdlib.h> + +#include "sdlog_ringbuffer.h" + +void sdlog_logbuffer_init(struct sdlog_logbuffer *lb, int size) +{ + lb->size = size; + lb->start = 0; + lb->count = 0; + lb->elems = (struct sdlog_sysvector *)calloc(lb->size, sizeof(struct sdlog_sysvector)); +} + +int sdlog_logbuffer_is_full(struct sdlog_logbuffer *lb) +{ + return lb->count == (int)lb->size; +} + +int sdlog_logbuffer_is_empty(struct sdlog_logbuffer *lb) +{ + return lb->count == 0; +} + + +// XXX make these functions thread-safe +void sdlog_logbuffer_write(struct sdlog_logbuffer *lb, const struct sdlog_sysvector *elem) +{ + int end = (lb->start + lb->count) % lb->size; + memcpy(&(lb->elems[end]), elem, sizeof(struct sdlog_sysvector)); + + if (sdlog_logbuffer_is_full(lb)) { + lb->start = (lb->start + 1) % lb->size; /* full, overwrite */ + + } else { + ++lb->count; + } +} + +int sdlog_logbuffer_read(struct sdlog_logbuffer *lb, struct sdlog_sysvector *elem) +{ + if (!sdlog_logbuffer_is_empty(lb)) { + memcpy(elem, &(lb->elems[lb->start]), sizeof(struct sdlog_sysvector)); + lb->start = (lb->start + 1) % lb->size; + --lb->count; + return 0; + + } else { + return 1; + } +} diff --git a/src/modules/sdlog/sdlog_ringbuffer.h b/src/modules/sdlog/sdlog_ringbuffer.h new file mode 100644 index 000000000..b65916459 --- /dev/null +++ b/src/modules/sdlog/sdlog_ringbuffer.h @@ -0,0 +1,91 @@ +/**************************************************************************** + * + * Copyright (C) 2013 PX4 Development Team. All rights reserved. + * Author: Lorenz Meier <lm@inf.ethz.ch> + * + * 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 sdlog_ringbuffer.h + * microSD logging + * + * @author Lorenz Meier <lm@inf.ethz.ch> + */ + +#ifndef SDLOG_RINGBUFFER_H_ +#define SDLOG_RINGBUFFER_H_ + +#pragma pack(push, 1) +struct sdlog_sysvector { + uint64_t timestamp; /**< time [us] */ + float gyro[3]; /**< [rad/s] */ + float accel[3]; /**< [m/s^2] */ + float mag[3]; /**< [gauss] */ + float baro; /**< pressure [millibar] */ + float baro_alt; /**< altitude above MSL [meter] */ + float baro_temp; /**< [degree celcius] */ + float control[4]; /**< roll, pitch, yaw [-1..1], thrust [0..1] */ + float actuators[8]; /**< motor 1-8, in motor units (PWM: 1000-2000,AR.Drone: 0-512) */ + float vbat; /**< battery voltage in [volt] */ + float bat_current; /**< battery discharge current */ + float bat_discharged; /**< discharged energy in mAh */ + float adc[4]; /**< ADC ports [volt] */ + float local_position[3]; /**< tangent plane mapping into x,y,z [m] */ + int32_t gps_raw_position[3]; /**< latitude [degrees] north, longitude [degrees] east, altitude above MSL [millimeter] */ + float attitude[3]; /**< roll, pitch, yaw [rad] */ + float rotMatrix[9]; /**< unitvectors */ + float vicon[6]; /**< Vicon ground truth x, y, z and roll, pitch, yaw */ + float control_effective[4]; /**< roll, pitch, yaw [-1..1], thrust [0..1] */ + float flow[6]; /**< flow raw x, y, flow metric x, y, flow ground dist, flow quality */ + float diff_pressure; /**< differential pressure */ + float ind_airspeed; /**< indicated airspeed */ + float true_airspeed; /**< true airspeed */ +}; +#pragma pack(pop) + +struct sdlog_logbuffer { + unsigned int start; + // unsigned int end; + unsigned int size; + int count; + struct sdlog_sysvector *elems; +}; + +void sdlog_logbuffer_init(struct sdlog_logbuffer *lb, int size); + +int sdlog_logbuffer_is_full(struct sdlog_logbuffer *lb); + +int sdlog_logbuffer_is_empty(struct sdlog_logbuffer *lb); + +void sdlog_logbuffer_write(struct sdlog_logbuffer *lb, const struct sdlog_sysvector *elem); + +int sdlog_logbuffer_read(struct sdlog_logbuffer *lb, struct sdlog_sysvector *elem); + +#endif |