From 4b567ef6310c07d46307437ac9ba76c76a5b2c69 Mon Sep 17 00:00:00 2001 From: Anton Babushkin Date: Tue, 11 Feb 2014 23:59:02 +0100 Subject: gpio_led: bugs fixed, PX4FMUv2 support added --- makefiles/config_px4fmu-v2_default.mk | 1 + 1 file changed, 1 insertion(+) (limited to 'makefiles') diff --git a/makefiles/config_px4fmu-v2_default.mk b/makefiles/config_px4fmu-v2_default.mk index 2ad2f63a9..3a3743893 100644 --- a/makefiles/config_px4fmu-v2_default.mk +++ b/makefiles/config_px4fmu-v2_default.mk @@ -71,6 +71,7 @@ MODULES += modules/commander MODULES += modules/navigator MODULES += modules/mavlink MODULES += modules/mavlink_onboard +MODULES += modules/gpio_led # # Estimation modules (EKF/ SO3 / other filters) -- cgit v1.2.3 From cb8bd1a3ad21fec45af7a1f1d53fe7b891c59c2b Mon Sep 17 00:00:00 2001 From: Anton Babushkin Date: Sat, 8 Mar 2014 21:05:13 +0400 Subject: dumpfile command and fetch_log.py tool implemented to fetch logs via nsh console on USB --- Tools/fetch_log.py | 133 ++++++++++++++++++++++++++++++++++ makefiles/config_px4fmu-v1_default.mk | 1 + makefiles/config_px4fmu-v2_default.mk | 1 + src/systemcmds/dumpfile/dumpfile.c | 116 +++++++++++++++++++++++++++++ src/systemcmds/dumpfile/module.mk | 41 +++++++++++ 5 files changed, 292 insertions(+) create mode 100644 Tools/fetch_log.py create mode 100644 src/systemcmds/dumpfile/dumpfile.c create mode 100644 src/systemcmds/dumpfile/module.mk (limited to 'makefiles') diff --git a/Tools/fetch_log.py b/Tools/fetch_log.py new file mode 100644 index 000000000..edcc6557c --- /dev/null +++ b/Tools/fetch_log.py @@ -0,0 +1,133 @@ +#!/usr/bin/env python +############################################################################ +# +# 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. +# +############################################################################ + +# +# Log fetcher +# +# Print list of logs: +# python fetch_log.py +# +# Fetch log: +# python fetch_log.py sess001/log001.bin +# + +import serial, time, sys, os + +def wait_for_string(ser, s, timeout=1.0, debug=False): + t0 = time.time() + buf = [] + res = [] + n = 0 + while (True): + c = ser.read() + if debug: + sys.stderr.write(c) + buf.append(c) + if len(buf) > len(s): + res.append(buf.pop(0)) + n += 1 + if n % 10000 == 0: + sys.stderr.write(str(n) + "\n") + if "".join(buf) == s: + break + if timeout > 0.0 and time.time() - t0 > timeout: + raise Exception("Timeout while waiting for: " + s) + return "".join(res) + +def exec_cmd(ser, cmd, timeout): + ser.write(cmd + "\n") + ser.flush() + wait_for_string(ser, cmd + "\r\n", timeout) + return wait_for_string(ser, "nsh> \x1b[K", timeout) + +def ls_dir(ser, dir, timeout=1.0): + res = [] + for line in exec_cmd(ser, "ls -l " + dir, timeout).splitlines()[1:]: + res.append((line[20:], int(line[11:19].strip()), line[1] == "d")) + return res + +def list_logs(ser): + logs_dir = "/fs/microsd/log" + res = [] + for d in ls_dir(ser, logs_dir): + if d[2]: + sess_dir = d[0][:-1] + for f in ls_dir(ser, logs_dir + "/" + sess_dir): + log_file = f[0] + log_size = f[1] + res.append(sess_dir + "/" + log_file + "\t" + str(log_size)) + return "\n".join(res) + +def fetch_log(ser, fn, timeout): + cmd = "dumpfile " + fn + ser.write(cmd + "\n") + ser.flush() + wait_for_string(ser, cmd + "\r\n", timeout, True) + res = wait_for_string(ser, "\n", timeout, True) + data = [] + if res.startswith("OK"): + size = int(res.split()[1]) + n = 0 + print "Reading data:" + while (n < size): + buf = ser.read(min(size - n, 8192)) + data.append(buf) + n += len(buf) + sys.stdout.write(".") + sys.stdout.flush() + print + else: + raise Exception("Error reading log") + wait_for_string(ser, "nsh> \x1b[K", timeout) + return "".join(data) + +def main(): + dev = "/dev/tty.usbmodem1" + ser = serial.Serial(dev, "115200", timeout=0.2) + if len(sys.argv) < 2: + print list_logs(ser) + else: + log_file = sys.argv[1] + data = fetch_log(ser, "/fs/microsd/log/" + log_file, 1.0) + try: + os.mkdir(log_file.split("/")[0]) + except: + pass + fout = open(log_file, "wb") + fout.write(data) + fout.close() + ser.close() + +if __name__ == "__main__": + main() diff --git a/makefiles/config_px4fmu-v1_default.mk b/makefiles/config_px4fmu-v1_default.mk index aff614cbb..651c2ac38 100644 --- a/makefiles/config_px4fmu-v1_default.mk +++ b/makefiles/config_px4fmu-v1_default.mk @@ -56,6 +56,7 @@ MODULES += systemcmds/tests MODULES += systemcmds/config MODULES += systemcmds/nshterm MODULES += systemcmds/hw_ver +MODULES += systemcmds/dumpfile # # General system control diff --git a/makefiles/config_px4fmu-v2_default.mk b/makefiles/config_px4fmu-v2_default.mk index 2ad2f63a9..889abc4d9 100644 --- a/makefiles/config_px4fmu-v2_default.mk +++ b/makefiles/config_px4fmu-v2_default.mk @@ -63,6 +63,7 @@ MODULES += systemcmds/config MODULES += systemcmds/nshterm MODULES += systemcmds/mtd MODULES += systemcmds/hw_ver +MODULES += systemcmds/dumpfile # # General system control diff --git a/src/systemcmds/dumpfile/dumpfile.c b/src/systemcmds/dumpfile/dumpfile.c new file mode 100644 index 000000000..c18814342 --- /dev/null +++ b/src/systemcmds/dumpfile/dumpfile.c @@ -0,0 +1,116 @@ +/**************************************************************************** + * + * Copyright (c) 2014 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 dumpfile.c + * + * Dump file utility. Prints file size and contents in binary mode (don't replace LF with CR LF) to stdout. + * + * @author Anton Babushkin + */ + +#include +#include +#include +#include +#include +#include +#include + +#include + +__EXPORT int dumpfile_main(int argc, char *argv[]); + +int +dumpfile_main(int argc, char *argv[]) +{ + if (argc < 2) { + errx(1, "usage: dumpfile "); + } + + /* open input file */ + FILE *f; + f = fopen(argv[1], "r"); + + if (f == NULL) { + printf("ERROR\n"); + exit(1); + } + + /* get file size */ + fseek(f, 0L, SEEK_END); + int size = ftell(f); + fseek(f, 0L, SEEK_SET); + + printf("OK %d\n", size); + + /* configure stdout */ + int out = fileno(stdout); + + struct termios tc; + struct termios tc_old; + tcgetattr(out, &tc); + + /* save old terminal attributes to restore it later on exit */ + memcpy(&tc_old, &tc, sizeof(tc)); + + /* don't add CR on each LF*/ + tc.c_oflag &= ~ONLCR; + + if (tcsetattr(out, TCSANOW, &tc) < 0) { + warnx("ERROR setting stdout attributes"); + exit(1); + } + + char buf[512]; + int nread; + + /* dump file */ + while ((nread = fread(buf, 1, sizeof(buf), f)) > 0) { + if (write(out, buf, nread) <= 0) { + warnx("error dumping file"); + break; + } + } + + fsync(out); + fclose(f); + + /* restore old terminal attributes */ + if (tcsetattr(out, TCSANOW, &tc_old) < 0) { + warnx("ERROR restoring stdout attributes"); + exit(1); + } + + return OK; +} diff --git a/src/systemcmds/dumpfile/module.mk b/src/systemcmds/dumpfile/module.mk new file mode 100644 index 000000000..36461f477 --- /dev/null +++ b/src/systemcmds/dumpfile/module.mk @@ -0,0 +1,41 @@ +############################################################################ +# +# Copyright (c) 2014 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. +# +############################################################################ + +# +# Dump file utility +# + +MODULE_COMMAND = dumpfile +SRCS = dumpfile.c + +MAXOPTIMIZATION = -Os -- cgit v1.2.3 From 008efff42ea0fec64173941bd8a746ec0e7ecfa4 Mon Sep 17 00:00:00 2001 From: Lorenz Meier Date: Sat, 8 Mar 2014 20:00:06 +0100 Subject: Added support for driver rangefinder --- makefiles/config_px4fmu-v2_default.mk | 1 + src/drivers/sf0x/module.mk | 40 ++ src/drivers/sf0x/sf0x.cpp | 829 ++++++++++++++++++++++++++++++++++ 3 files changed, 870 insertions(+) create mode 100644 src/drivers/sf0x/module.mk create mode 100644 src/drivers/sf0x/sf0x.cpp (limited to 'makefiles') diff --git a/makefiles/config_px4fmu-v2_default.mk b/makefiles/config_px4fmu-v2_default.mk index 2ad2f63a9..aac5beeb1 100644 --- a/makefiles/config_px4fmu-v2_default.mk +++ b/makefiles/config_px4fmu-v2_default.mk @@ -27,6 +27,7 @@ MODULES += drivers/l3gd20 MODULES += drivers/hmc5883 MODULES += drivers/ms5611 MODULES += drivers/mb12xx +MODULES += drivers/sf0x MODULES += drivers/gps MODULES += drivers/hil MODULES += drivers/hott/hott_telemetry diff --git a/src/drivers/sf0x/module.mk b/src/drivers/sf0x/module.mk new file mode 100644 index 000000000..dc93a90e7 --- /dev/null +++ b/src/drivers/sf0x/module.mk @@ -0,0 +1,40 @@ +############################################################################ +# +# Copyright (c) 2014 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. +# +############################################################################ + +# +# Makefile to build the Lightware laser range finder driver. +# + +MODULE_COMMAND = sf0x + +SRCS = sf0x.cpp diff --git a/src/drivers/sf0x/sf0x.cpp b/src/drivers/sf0x/sf0x.cpp new file mode 100644 index 000000000..40be85b27 --- /dev/null +++ b/src/drivers/sf0x/sf0x.cpp @@ -0,0 +1,829 @@ +/**************************************************************************** + * + * Copyright (c) 2014 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 sf0x.cpp + * @author Lorenz Meier + * + * Driver for the Lightware SF0x laser rangefinder series + */ + +#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 + +/* Configuration Constants */ + +/* oddly, ERROR is not defined for c++ */ +#ifdef ERROR +# undef ERROR +#endif +static const int ERROR = -1; + +#ifndef CONFIG_SCHED_WORKQUEUE +# error This requires CONFIG_SCHED_WORKQUEUE. +#endif + +#define SF0X_CONVERSION_INTERVAL 84000 +#define SF0X_TAKE_RANGE_REG 'D' +#define SF02F_MIN_DISTANCE 0.0f +#define SF02F_MAX_DISTANCE 40.0f + +class SF0X : public device::CDev +{ +public: + SF0X(const char* port="/dev/ttyS1"); + virtual ~SF0X(); + + virtual int init(); + + virtual ssize_t read(struct file *filp, char *buffer, size_t buflen); + virtual int ioctl(struct file *filp, int cmd, unsigned long arg); + + /** + * Diagnostics - print some basic information about the driver. + */ + void print_info(); + +protected: + virtual int probe(); + +private: + float _min_distance; + float _max_distance; + work_s _work; + RingBuffer *_reports; + bool _sensor_ok; + int _measure_ticks; + bool _collect_phase; + int _fd; + + orb_advert_t _range_finder_topic; + + perf_counter_t _sample_perf; + perf_counter_t _comms_errors; + perf_counter_t _buffer_overflows; + + /** + * Initialise the automatic measurement state machine and start it. + * + * @note This function is called at open and error time. It might make sense + * to make it more aggressive about resetting the bus in case of errors. + */ + void start(); + + /** + * Stop the automatic measurement state machine. + */ + void stop(); + + /** + * Set the min and max distance thresholds if you want the end points of the sensors + * range to be brought in at all, otherwise it will use the defaults SF0X_MIN_DISTANCE + * and SF0X_MAX_DISTANCE + */ + void set_minimum_distance(float min); + void set_maximum_distance(float max); + float get_minimum_distance(); + float get_maximum_distance(); + + /** + * Perform a poll cycle; collect from the previous measurement + * and start a new one. + */ + void cycle(); + int measure(); + int collect(); + /** + * Static trampoline from the workq context; because we don't have a + * generic workq wrapper yet. + * + * @param arg Instance pointer for the driver that is polling. + */ + static void cycle_trampoline(void *arg); + + +}; + +/* + * Driver 'main' command. + */ +extern "C" __EXPORT int sf0x_main(int argc, char *argv[]); + +SF0X::SF0X(const char *port) : + CDev("SF0X", RANGE_FINDER_DEVICE_PATH), + _min_distance(SF02F_MIN_DISTANCE), + _max_distance(SF02F_MAX_DISTANCE), + _reports(nullptr), + _sensor_ok(false), + _measure_ticks(0), + _collect_phase(false), + _range_finder_topic(-1), + _sample_perf(perf_alloc(PC_ELAPSED, "sf0x_read")), + _comms_errors(perf_alloc(PC_COUNT, "sf0x_comms_errors")), + _buffer_overflows(perf_alloc(PC_COUNT, "sf0x_buffer_overflows")) +{ + /* open fd */ + _fd = ::open(port, O_RDWR | O_NOCTTY | O_NONBLOCK); + + // enable debug() calls + _debug_enabled = true; + + // work_cancel in the dtor will explode if we don't do this... + memset(&_work, 0, sizeof(_work)); +} + +SF0X::~SF0X() +{ + /* make sure we are truly inactive */ + stop(); + + /* free any existing reports */ + if (_reports != nullptr) { + delete _reports; + } +} + +int +SF0X::init() +{ + int ret = ERROR; + + /* allocate basic report buffers */ + _reports = new RingBuffer(2, sizeof(range_finder_report)); + + if (_reports == nullptr) { + goto out; + } + + /* get a publish handle on the range finder topic */ + struct range_finder_report zero_report; + memset(&zero_report, 0, sizeof(zero_report)); + _range_finder_topic = orb_advertise(ORB_ID(sensor_range_finder), &zero_report); + + if (_range_finder_topic < 0) { + debug("failed to create sensor_range_finder object. Did you start uOrb?"); + } + + ret = OK; + /* sensor is ok, but we don't really know if it is within range */ + _sensor_ok = true; +out: + return ret; +} + +int +SF0X::probe() +{ + return measure(); +} + +void +SF0X::set_minimum_distance(float min) +{ + _min_distance = min; +} + +void +SF0X::set_maximum_distance(float max) +{ + _max_distance = max; +} + +float +SF0X::get_minimum_distance() +{ + return _min_distance; +} + +float +SF0X::get_maximum_distance() +{ + return _max_distance; +} + +int +SF0X::ioctl(struct file *filp, int cmd, unsigned long arg) +{ + switch (cmd) { + + case SENSORIOCSPOLLRATE: { + switch (arg) { + + /* switching to manual polling */ + case SENSOR_POLLRATE_MANUAL: + stop(); + _measure_ticks = 0; + return OK; + + /* external signalling (DRDY) not supported */ + case SENSOR_POLLRATE_EXTERNAL: + + /* zero would be bad */ + case 0: + return -EINVAL; + + /* set default/max polling rate */ + case SENSOR_POLLRATE_MAX: + case SENSOR_POLLRATE_DEFAULT: { + /* do we need to start internal polling? */ + bool want_start = (_measure_ticks == 0); + + /* set interval for next measurement to minimum legal value */ + _measure_ticks = USEC2TICK(SF0X_CONVERSION_INTERVAL); + + /* if we need to start the poll state machine, do it */ + if (want_start) { + start(); + } + + return OK; + } + + /* adjust to a legal polling interval in Hz */ + default: { + /* do we need to start internal polling? */ + bool want_start = (_measure_ticks == 0); + + /* convert hz to tick interval via microseconds */ + unsigned ticks = USEC2TICK(1000000 / arg); + + /* check against maximum rate */ + if (ticks < USEC2TICK(SF0X_CONVERSION_INTERVAL)) { + return -EINVAL; + } + + /* update interval for next measurement */ + _measure_ticks = ticks; + + /* if we need to start the poll state machine, do it */ + if (want_start) { + start(); + } + + return OK; + } + } + } + + case SENSORIOCGPOLLRATE: + if (_measure_ticks == 0) { + return SENSOR_POLLRATE_MANUAL; + } + + return (1000 / _measure_ticks); + + case SENSORIOCSQUEUEDEPTH: { + /* lower bound is mandatory, upper bound is a sanity check */ + if ((arg < 1) || (arg > 100)) { + return -EINVAL; + } + + irqstate_t flags = irqsave(); + + if (!_reports->resize(arg)) { + irqrestore(flags); + return -ENOMEM; + } + + irqrestore(flags); + + return OK; + } + + case SENSORIOCGQUEUEDEPTH: + return _reports->size(); + + case SENSORIOCRESET: + /* XXX implement this */ + return -EINVAL; + + case RANGEFINDERIOCSETMINIUMDISTANCE: { + set_minimum_distance(*(float *)arg); + return 0; + } + break; + + case RANGEFINDERIOCSETMAXIUMDISTANCE: { + set_maximum_distance(*(float *)arg); + return 0; + } + break; + + default: + /* give it to the superclass */ + return CDev::ioctl(filp, cmd, arg); + } +} + +ssize_t +SF0X::read(struct file *filp, char *buffer, size_t buflen) +{ + unsigned count = buflen / sizeof(struct range_finder_report); + struct range_finder_report *rbuf = reinterpret_cast(buffer); + int ret = 0; + + /* buffer must be large enough */ + if (count < 1) { + return -ENOSPC; + } + + /* if automatic measurement is enabled */ + if (_measure_ticks > 0) { + + /* + * While there is space in the caller's buffer, and reports, copy them. + * Note that we may be pre-empted by the workq thread while we are doing this; + * we are careful to avoid racing with them. + */ + while (count--) { + if (_reports->get(rbuf)) { + ret += sizeof(*rbuf); + rbuf++; + } + } + + /* if there was no data, warn the caller */ + return ret ? ret : -EAGAIN; + } + + /* manual measurement - run one conversion */ + do { + _reports->flush(); + + /* trigger a measurement */ + if (OK != measure()) { + ret = -EIO; + break; + } + + /* wait for it to complete */ + usleep(SF0X_CONVERSION_INTERVAL); + + /* run the collection phase */ + if (OK != collect()) { + ret = -EIO; + break; + } + + /* state machine will have generated a report, copy it out */ + if (_reports->get(rbuf)) { + ret = sizeof(*rbuf); + } + + } while (0); + + return ret; +} + +int +SF0X::measure() +{ + int ret; + + /* + * Send the command to begin a measurement. + */ + char cmd = SF0X_TAKE_RANGE_REG; + ret = ::write(_fd, &cmd, 1); + + if (OK != sizeof(cmd)) { + perf_count(_comms_errors); + log("serial transfer returned %d", ret); + return ret; + } + + ret = OK; + + return ret; +} + +int +SF0X::collect() +{ + int ret = -EIO; + + /* read from the sensor */ + float val; + + perf_begin(_sample_perf); + + char buf[16]; + ret = ::read(_fd, buf, sizeof(buf)); + printf("ret: %d, val: %s", ret, buf); + + if (ret < 0) { + log("error reading from sensor: %d", ret); + perf_count(_comms_errors); + perf_end(_sample_perf); + return ret; + } + + float si_units = 0.0f; + struct range_finder_report report; + + /* this should be fairly close to the end of the measurement, so the best approximation of the time */ + report.timestamp = hrt_absolute_time(); + report.error_count = perf_event_count(_comms_errors); + report.distance = si_units; + report.valid = si_units > get_minimum_distance() && si_units < get_maximum_distance() ? 1 : 0; + + /* publish it */ + orb_publish(ORB_ID(sensor_range_finder), _range_finder_topic, &report); + + if (_reports->force(&report)) { + perf_count(_buffer_overflows); + } + + /* notify anyone waiting for data */ + poll_notify(POLLIN); + + ret = OK; + + perf_end(_sample_perf); + return ret; +} + +void +SF0X::start() +{ + /* reset the report ring and state machine */ + _collect_phase = false; + _reports->flush(); + + /* schedule a cycle to start things */ + work_queue(HPWORK, &_work, (worker_t)&SF0X::cycle_trampoline, this, 1); + + /* notify about state change */ + struct subsystem_info_s info = { + true, + true, + true, + SUBSYSTEM_TYPE_RANGEFINDER + }; + static orb_advert_t pub = -1; + + if (pub > 0) { + orb_publish(ORB_ID(subsystem_info), pub, &info); + + } else { + pub = orb_advertise(ORB_ID(subsystem_info), &info); + } +} + +void +SF0X::stop() +{ + work_cancel(HPWORK, &_work); +} + +void +SF0X::cycle_trampoline(void *arg) +{ + SF0X *dev = (SF0X *)arg; + + dev->cycle(); +} + +void +SF0X::cycle() +{ + /* collection phase? */ + if (_collect_phase) { + + /* perform collection */ + if (OK != collect()) { + log("collection error"); + /* restart the measurement state machine */ + start(); + return; + } + + /* next phase is measurement */ + _collect_phase = false; + + /* + * Is there a collect->measure gap? + */ + if (_measure_ticks > USEC2TICK(SF0X_CONVERSION_INTERVAL)) { + + /* schedule a fresh cycle call when we are ready to measure again */ + work_queue(HPWORK, + &_work, + (worker_t)&SF0X::cycle_trampoline, + this, + _measure_ticks - USEC2TICK(SF0X_CONVERSION_INTERVAL)); + + return; + } + } + + /* measurement phase */ + if (OK != measure()) { + log("measure error"); + } + + /* next phase is collection */ + _collect_phase = true; + + /* schedule a fresh cycle call when the measurement is done */ + work_queue(HPWORK, + &_work, + (worker_t)&SF0X::cycle_trampoline, + this, + USEC2TICK(SF0X_CONVERSION_INTERVAL)); +} + +void +SF0X::print_info() +{ + perf_print_counter(_sample_perf); + perf_print_counter(_comms_errors); + perf_print_counter(_buffer_overflows); + printf("poll interval: %u ticks\n", _measure_ticks); + _reports->print_info("report queue"); +} + +/** + * Local functions in support of the shell command. + */ +namespace sf0x +{ + +/* oddly, ERROR is not defined for c++ */ +#ifdef ERROR +# undef ERROR +#endif +const int ERROR = -1; + +SF0X *g_dev; + +void start(); +void stop(); +void test(); +void reset(); +void info(); + +/** + * Start the driver. + */ +void +start() +{ + int fd; + + if (g_dev != nullptr) { + errx(1, "already started"); + } + + /* create the driver */ + g_dev = new SF0X(); + + if (g_dev == nullptr) { + goto fail; + } + + if (OK != g_dev->init()) { + goto fail; + } + + /* set the poll rate to default, starts automatic data collection */ + fd = open(RANGE_FINDER_DEVICE_PATH, O_RDONLY); + + if (fd < 0) { + goto fail; + } + + if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT) < 0) { + goto fail; + } + + exit(0); + +fail: + + if (g_dev != nullptr) { + delete g_dev; + g_dev = nullptr; + } + + errx(1, "driver start failed"); +} + +/** + * Stop the driver + */ +void stop() +{ + if (g_dev != nullptr) { + delete g_dev; + g_dev = nullptr; + + } else { + errx(1, "driver not running"); + } + + exit(0); +} + +/** + * Perform some basic functional tests on the driver; + * make sure we can collect data from the sensor in polled + * and automatic modes. + */ +void +test() +{ + struct range_finder_report report; + ssize_t sz; + int ret; + + int fd = open(RANGE_FINDER_DEVICE_PATH, O_RDONLY); + + if (fd < 0) { + err(1, "%s open failed (try 'sf0x start' if the driver is not running", RANGE_FINDER_DEVICE_PATH); + } + + /* do a simple demand read */ + sz = read(fd, &report, sizeof(report)); + + if (sz != sizeof(report)) { + err(1, "immediate read failed"); + } + + warnx("single read"); + warnx("measurement: %0.2f m", (double)report.distance); + warnx("time: %lld", report.timestamp); + + /* start the sensor polling at 2Hz */ + if (OK != ioctl(fd, SENSORIOCSPOLLRATE, 2)) { + errx(1, "failed to set 2Hz poll rate"); + } + + /* read the sensor 5x and report each value */ + for (unsigned i = 0; i < 5; i++) { + struct pollfd fds; + + /* wait for data to be ready */ + fds.fd = fd; + fds.events = POLLIN; + ret = poll(&fds, 1, 2000); + + if (ret != 1) { + errx(1, "timed out waiting for sensor data"); + } + + /* now go get it */ + sz = read(fd, &report, sizeof(report)); + + if (sz != sizeof(report)) { + err(1, "periodic read failed"); + } + + warnx("periodic read %u", i); + warnx("measurement: %0.3f", (double)report.distance); + warnx("time: %lld", report.timestamp); + } + + errx(0, "PASS"); +} + +/** + * Reset the driver. + */ +void +reset() +{ + int fd = open(RANGE_FINDER_DEVICE_PATH, O_RDONLY); + + if (fd < 0) { + err(1, "failed "); + } + + if (ioctl(fd, SENSORIOCRESET, 0) < 0) { + err(1, "driver reset failed"); + } + + if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT) < 0) { + err(1, "driver poll restart failed"); + } + + exit(0); +} + +/** + * Print a little info about the driver. + */ +void +info() +{ + if (g_dev == nullptr) { + errx(1, "driver not running"); + } + + printf("state @ %p\n", g_dev); + g_dev->print_info(); + + exit(0); +} + +} // namespace + +int +sf0x_main(int argc, char *argv[]) +{ + /* + * Start/load the driver. + */ + if (!strcmp(argv[1], "start")) { + sf0x::start(); + } + + /* + * Stop the driver + */ + if (!strcmp(argv[1], "stop")) { + sf0x::stop(); + } + + /* + * Test the driver/device. + */ + if (!strcmp(argv[1], "test")) { + sf0x::test(); + } + + /* + * Reset the driver. + */ + if (!strcmp(argv[1], "reset")) { + sf0x::reset(); + } + + /* + * Print driver information. + */ + if (!strcmp(argv[1], "info") || !strcmp(argv[1], "status")) { + sf0x::info(); + } + + errx(1, "unrecognized command, try 'start', 'test', 'reset' or 'info'"); +} -- cgit v1.2.3