diff options
Diffstat (limited to 'src/drivers/px4flow/px4flow.cpp')
| -rw-r--r-- | src/drivers/px4flow/px4flow.cpp | 568 |
1 files changed, 333 insertions, 235 deletions
diff --git a/src/drivers/px4flow/px4flow.cpp b/src/drivers/px4flow/px4flow.cpp index f214b5964..09ec4bf96 100644 --- a/src/drivers/px4flow/px4flow.cpp +++ b/src/drivers/px4flow/px4flow.cpp @@ -1,6 +1,6 @@ /**************************************************************************** * - * Copyright (c) 2013 PX4 Development Team. All rights reserved. + * Copyright (c) 2013, 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 @@ -37,7 +37,7 @@ * * Driver for the PX4FLOW module connected via I2C. */ - + #include <nuttx/config.h> #include <drivers/device/i2c.h> @@ -68,20 +68,18 @@ #include <uORB/uORB.h> #include <uORB/topics/subsystem_info.h> -//#include <uORB/topics/optical_flow.h> +#include <uORB/topics/optical_flow.h> #include <board_config.h> /* Configuration Constants */ -#define PX4FLOW_BUS PX4_I2C_BUS_EXPANSION #define I2C_FLOW_ADDRESS 0x42 //* 7-bit address. 8-bit address is 0x84 //range 0x42 - 0x49 /* PX4FLOW Registers addresses */ -#define PX4FLOW_REG 0x00 /* Measure Register */ - -#define PX4FLOW_CONVERSION_INTERVAL 8000 /* 8ms 125Hz +#define PX4FLOW_REG 0x16 /* Measure Register 22*/ +#define PX4FLOW_CONVERSION_INTERVAL 20000 //in microseconds! 20000 = 50 Hz 100000 = 10Hz /* oddly, ERROR is not defined for c++ */ #ifdef ERROR # undef ERROR @@ -92,40 +90,54 @@ static const int ERROR = -1; # error This requires CONFIG_SCHED_WORKQUEUE. #endif -//struct i2c_frame -//{ -// uint16_t frame_count; -// int16_t pixel_flow_x_sum; -// int16_t pixel_flow_y_sum; -// int16_t flow_comp_m_x; -// int16_t flow_comp_m_y; -// int16_t qual; -// int16_t gyro_x_rate; -// int16_t gyro_y_rate; -// int16_t gyro_z_rate; -// uint8_t gyro_range; -// uint8_t sonar_timestamp; -// int16_t ground_distance; -//}; -// -//struct i2c_frame f; - -class PX4FLOW : public device::I2C +struct i2c_frame { + uint16_t frame_count; + int16_t pixel_flow_x_sum; + int16_t pixel_flow_y_sum; + int16_t flow_comp_m_x; + int16_t flow_comp_m_y; + int16_t qual; + int16_t gyro_x_rate; + int16_t gyro_y_rate; + int16_t gyro_z_rate; + uint8_t gyro_range; + uint8_t sonar_timestamp; + int16_t ground_distance; +}; +struct i2c_frame f; + +typedef struct i2c_integral_frame { + uint16_t frame_count_since_last_readout; + int16_t pixel_flow_x_integral; + int16_t pixel_flow_y_integral; + int16_t gyro_x_rate_integral; + int16_t gyro_y_rate_integral; + int16_t gyro_z_rate_integral; + uint32_t integration_timespan; + uint32_t time_since_last_sonar_update; + uint16_t ground_distance; + int16_t gyro_temperature; + uint8_t qual; +} __attribute__((packed)); +struct i2c_integral_frame f_integral; + + +class PX4FLOW: public device::I2C { public: - PX4FLOW(int bus = PX4FLOW_BUS, int address = I2C_FLOW_ADDRESS); + PX4FLOW(int bus, int address = I2C_FLOW_ADDRESS); virtual ~PX4FLOW(); - + 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. - */ + * Diagnostics - print some basic information about the driver. + */ void print_info(); - + protected: virtual int probe(); @@ -136,51 +148,50 @@ private: bool _sensor_ok; int _measure_ticks; bool _collect_phase; - + orb_advert_t _px4flow_topic; perf_counter_t _sample_perf; perf_counter_t _comms_errors; perf_counter_t _buffer_overflows; - + /** - * Test whether the device supported by the driver is present at a - * specific address. - * - * @param address The I2C bus address to probe. - * @return True if the device is present. - */ + * Test whether the device supported by the driver is present at a + * specific address. + * + * @param address The I2C bus address to probe. + * @return True if the device is present. + */ int probe_address(uint8_t address); - + /** - * 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. - */ + * 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. - */ + * Stop the automatic measurement state machine. + */ void stop(); - + /** - * Perform a poll cycle; collect from the previous measurement - * and start a new one. - */ + * 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); - - + * 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); + }; /* @@ -189,7 +200,7 @@ private: extern "C" __EXPORT int px4flow_main(int argc, char *argv[]); PX4FLOW::PX4FLOW(int bus, int address) : - I2C("PX4FLOW", PX4FLOW_DEVICE_PATH, bus, address, 400000),//400khz + I2C("PX4FLOW", PX4FLOW_DEVICE_PATH, bus, address, 400000), //400khz _reports(nullptr), _sensor_ok(false), _measure_ticks(0), @@ -200,8 +211,8 @@ PX4FLOW::PX4FLOW(int bus, int address) : _buffer_overflows(perf_alloc(PC_COUNT, "px4flow_buffer_overflows")) { // enable debug() calls - _debug_enabled = true; - + _debug_enabled = false; + // work_cancel in the dtor will explode if we don't do this... memset(&_work, 0, sizeof(_work)); } @@ -212,8 +223,9 @@ PX4FLOW::~PX4FLOW() stop(); /* free any existing reports */ - if (_reports != nullptr) + if (_reports != nullptr) { delete _reports; + } } int @@ -222,22 +234,16 @@ PX4FLOW::init() int ret = ERROR; /* do I2C init (and probe) first */ - if (I2C::init() != OK) + if (I2C::init() != OK) { goto out; + } /* allocate basic report buffers */ - _reports = new RingBuffer(2, sizeof(px4flow_report)); + _reports = new RingBuffer(2, sizeof(optical_flow_s)); - if (_reports == nullptr) + if (_reports == nullptr) { goto out; - - /* get a publish handle on the px4flow topic */ - struct px4flow_report zero_report; - memset(&zero_report, 0, sizeof(zero_report)); - _px4flow_topic = orb_advertise(ORB_ID(optical_flow), &zero_report); - - if (_px4flow_topic < 0) - debug("failed to create px4flow object. Did you start uOrb?"); + } ret = OK; /* sensor is ok, but we don't really know if it is within range */ @@ -249,6 +255,17 @@ out: int PX4FLOW::probe() { + uint8_t val[22]; + + // to be sure this is not a ll40ls Lidar (which can also be on + // 0x42) we check if a 22 byte transfer works from address + // 0. The ll40ls gives an error for that, whereas the flow + // happily returns some data + if (transfer(nullptr, 0, &val[0], 22) != OK) { + return -EIO; + } + + // that worked, so start a measurement cycle return measure(); } @@ -260,20 +277,20 @@ PX4FLOW::ioctl(struct file *filp, int cmd, unsigned long arg) case SENSORIOCSPOLLRATE: { switch (arg) { - /* switching to manual polling */ + /* switching to manual polling */ case SENSOR_POLLRATE_MANUAL: stop(); _measure_ticks = 0; return OK; - /* external signalling (DRDY) not supported */ + /* external signalling (DRDY) not supported */ case SENSOR_POLLRATE_EXTERNAL: - /* zero would be bad */ + /* zero would be bad */ case 0: return -EINVAL; - /* set default/max polling rate */ + /* set default/max polling rate */ case SENSOR_POLLRATE_MAX: case SENSOR_POLLRATE_DEFAULT: { /* do we need to start internal polling? */ @@ -283,13 +300,14 @@ PX4FLOW::ioctl(struct file *filp, int cmd, unsigned long arg) _measure_ticks = USEC2TICK(PX4FLOW_CONVERSION_INTERVAL); /* if we need to start the poll state machine, do it */ - if (want_start) + if (want_start) { start(); + } return OK; } - /* adjust to a legal polling interval in Hz */ + /* adjust to a legal polling interval in Hz */ default: { /* do we need to start internal polling? */ bool want_start = (_measure_ticks == 0); @@ -298,15 +316,17 @@ PX4FLOW::ioctl(struct file *filp, int cmd, unsigned long arg) unsigned ticks = USEC2TICK(1000000 / arg); /* check against maximum rate */ - if (ticks < USEC2TICK(PX4FLOW_CONVERSION_INTERVAL)) + if (ticks < USEC2TICK(PX4FLOW_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) + if (want_start) { start(); + } return OK; } @@ -314,33 +334,37 @@ PX4FLOW::ioctl(struct file *filp, int cmd, unsigned long arg) } case SENSORIOCGPOLLRATE: - if (_measure_ticks == 0) + 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)) { + /* 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 -ENOMEM; + + return OK; } - irqrestore(flags); - - return OK; - } case SENSORIOCGQUEUEDEPTH: return _reports->size(); - + case SENSORIOCRESET: /* XXX implement this */ return -EINVAL; - + default: /* give it to the superclass */ return I2C::ioctl(filp, cmd, arg); @@ -350,13 +374,14 @@ PX4FLOW::ioctl(struct file *filp, int cmd, unsigned long arg) ssize_t PX4FLOW::read(struct file *filp, char *buffer, size_t buflen) { - unsigned count = buflen / sizeof(struct px4flow_report); - struct px4flow_report *rbuf = reinterpret_cast<struct px4flow_report *>(buffer); + unsigned count = buflen / sizeof(struct optical_flow_s); + struct optical_flow_s *rbuf = reinterpret_cast<struct optical_flow_s *>(buffer); int ret = 0; /* buffer must be large enough */ - if (count < 1) + if (count < 1) { return -ENOSPC; + } /* if automatic measurement is enabled */ if (_measure_ticks > 0) { @@ -387,9 +412,6 @@ PX4FLOW::read(struct file *filp, char *buffer, size_t buflen) break; } - /* wait for it to complete */ - usleep(PX4FLOW_CONVERSION_INTERVAL); - /* run the collection phase */ if (OK != collect()) { ret = -EIO; @@ -417,68 +439,110 @@ PX4FLOW::measure() uint8_t cmd = PX4FLOW_REG; ret = transfer(&cmd, 1, nullptr, 0); - if (OK != ret) - { + if (OK != ret) { perf_count(_comms_errors); - log("i2c::transfer returned %d", ret); - printf("i2c::transfer flow returned %d"); + debug("i2c::transfer returned %d", ret); return ret; } + ret = OK; - + return ret; } int PX4FLOW::collect() { - int ret = -EIO; - + int ret = -EIO; + /* read from the sensor */ - uint8_t val[22] = {0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0,0, 0}; - + uint8_t val[47] = { 0 }; + perf_begin(_sample_perf); - - ret = transfer(nullptr, 0, &val[0], 22); - - if (ret < 0) - { - log("error reading from sensor: %d", ret); + + if (PX4FLOW_REG == 0x00) { + ret = transfer(nullptr, 0, &val[0], 47); // read 47 bytes (22+25 : frame1 + frame2) + } + + if (PX4FLOW_REG == 0x16) { + ret = transfer(nullptr, 0, &val[0], 25); // read 25 bytes (only frame2) + } + + if (ret < 0) { + debug("error reading from sensor: %d", ret); perf_count(_comms_errors); perf_end(_sample_perf); return ret; } - -// f.frame_count = val[1] << 8 | val[0]; -// f.pixel_flow_x_sum= val[3] << 8 | val[2]; -// f.pixel_flow_y_sum= val[5] << 8 | val[4]; -// f.flow_comp_m_x= val[7] << 8 | val[6]; -// f.flow_comp_m_y= val[9] << 8 | val[8]; -// f.qual= val[11] << 8 | val[10]; -// f.gyro_x_rate= val[13] << 8 | val[12]; -// f.gyro_y_rate= val[15] << 8 | val[14]; -// f.gyro_z_rate= val[17] << 8 | val[16]; -// f.gyro_range= val[18]; -// f.sonar_timestamp= val[19]; -// f.ground_distance= val[21] << 8 | val[20]; - - int16_t flowcx = val[7] << 8 | val[6]; - int16_t flowcy = val[9] << 8 | val[8]; - int16_t gdist = val[21] << 8 | val[20]; - - struct px4flow_report report; - report.flow_comp_x_m = float(flowcx)/1000.0f; - report.flow_comp_y_m = float(flowcy)/1000.0f; - report.flow_raw_x= val[3] << 8 | val[2]; - report.flow_raw_y= val[5] << 8 | val[4]; - report.ground_distance_m =float(gdist)/1000.0f; - report.quality= val[10]; - report.sensor_id = 0; + + if (PX4FLOW_REG == 0) { + f.frame_count = val[1] << 8 | val[0]; + f.pixel_flow_x_sum = val[3] << 8 | val[2]; + f.pixel_flow_y_sum = val[5] << 8 | val[4]; + f.flow_comp_m_x = val[7] << 8 | val[6]; + f.flow_comp_m_y = val[9] << 8 | val[8]; + f.qual = val[11] << 8 | val[10]; + f.gyro_x_rate = val[13] << 8 | val[12]; + f.gyro_y_rate = val[15] << 8 | val[14]; + f.gyro_z_rate = val[17] << 8 | val[16]; + f.gyro_range = val[18]; + f.sonar_timestamp = val[19]; + f.ground_distance = val[21] << 8 | val[20]; + + f_integral.frame_count_since_last_readout = val[23] << 8 | val[22]; + f_integral.pixel_flow_x_integral = val[25] << 8 | val[24]; + f_integral.pixel_flow_y_integral = val[27] << 8 | val[26]; + f_integral.gyro_x_rate_integral = val[29] << 8 | val[28]; + f_integral.gyro_y_rate_integral = val[31] << 8 | val[30]; + f_integral.gyro_z_rate_integral = val[33] << 8 | val[32]; + f_integral.integration_timespan = val[37] << 24 | val[36] << 16 + | val[35] << 8 | val[34]; + f_integral.time_since_last_sonar_update = val[41] << 24 | val[40] << 16 + | val[39] << 8 | val[38]; + f_integral.ground_distance = val[43] << 8 | val[42]; + f_integral.gyro_temperature = val[45] << 8 | val[44]; + f_integral.qual = val[46]; + } + + if (PX4FLOW_REG == 0x16) { + f_integral.frame_count_since_last_readout = val[1] << 8 | val[0]; + f_integral.pixel_flow_x_integral = val[3] << 8 | val[2]; + f_integral.pixel_flow_y_integral = val[5] << 8 | val[4]; + f_integral.gyro_x_rate_integral = val[7] << 8 | val[6]; + f_integral.gyro_y_rate_integral = val[9] << 8 | val[8]; + f_integral.gyro_z_rate_integral = val[11] << 8 | val[10]; + f_integral.integration_timespan = val[15] << 24 | val[14] << 16 | val[13] << 8 | val[12]; + f_integral.time_since_last_sonar_update = val[19] << 24 | val[18] << 16 | val[17] << 8 | val[16]; + f_integral.ground_distance = val[21] << 8 | val[20]; + f_integral.gyro_temperature = val[23] << 8 | val[22]; + f_integral.qual = val[24]; + } + + + struct optical_flow_s report; + report.timestamp = hrt_absolute_time(); + report.pixel_flow_x_integral = static_cast<float>(f_integral.pixel_flow_x_integral) / 10000.0f;//convert to radians + report.pixel_flow_y_integral = static_cast<float>(f_integral.pixel_flow_y_integral) / 10000.0f;//convert to radians + report.frame_count_since_last_readout = f_integral.frame_count_since_last_readout; + report.ground_distance_m = static_cast<float>(f_integral.ground_distance) / 1000.0f;//convert to meters + report.quality = f_integral.qual; //0:bad ; 255 max quality + report.gyro_x_rate_integral = static_cast<float>(f_integral.gyro_x_rate_integral) / 10000.0f; //convert to radians + report.gyro_y_rate_integral = static_cast<float>(f_integral.gyro_y_rate_integral) / 10000.0f; //convert to radians + report.gyro_z_rate_integral = static_cast<float>(f_integral.gyro_z_rate_integral) / 10000.0f; //convert to radians + report.integration_timespan = f_integral.integration_timespan; //microseconds + report.time_since_last_sonar_update = f_integral.time_since_last_sonar_update;//microseconds + report.gyro_temperature = f_integral.gyro_temperature;//Temperature * 100 in centi-degrees Celsius + report.sensor_id = 0; + + if (_px4flow_topic < 0) { + _px4flow_topic = orb_advertise(ORB_ID(optical_flow), &report); - /* publish it */ - orb_publish(ORB_ID(optical_flow), _px4flow_topic, &report); + } else { + /* publish it */ + orb_publish(ORB_ID(optical_flow), _px4flow_topic, &report); + } /* post a report to the ring */ if (_reports->force(&report)) { @@ -503,17 +567,19 @@ PX4FLOW::start() /* schedule a cycle to start things */ work_queue(HPWORK, &_work, (worker_t)&PX4FLOW::cycle_trampoline, this, 1); - + /* notify about state change */ struct subsystem_info_s info = { true, true, true, - SUBSYSTEM_TYPE_OPTICALFLOW}; + SUBSYSTEM_TYPE_OPTICALFLOW + }; 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); } @@ -536,49 +602,21 @@ PX4FLOW::cycle_trampoline(void *arg) void PX4FLOW::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(PX4FLOW_CONVERSION_INTERVAL)) { - - /* schedule a fresh cycle call when we are ready to measure again */ - work_queue(HPWORK, - &_work, - (worker_t)&PX4FLOW::cycle_trampoline, - this, - _measure_ticks - USEC2TICK(PX4FLOW_CONVERSION_INTERVAL)); - - return; - } + if (OK != measure()) { + debug("measure error"); } - /* measurement phase */ - if (OK != measure()) - log("measure error"); + /* perform collection */ + if (OK != collect()) { + debug("collection error"); + /* restart the measurement state machine */ + start(); + return; + } - /* next phase is collection */ - _collect_phase = true; + work_queue(HPWORK, &_work, (worker_t)&PX4FLOW::cycle_trampoline, this, + _measure_ticks); - /* schedule a fresh cycle call when the measurement is done */ - work_queue(HPWORK, - &_work, - (worker_t)&PX4FLOW::cycle_trampoline, - this, - USEC2TICK(PX4FLOW_CONVERSION_INTERVAL)); } void @@ -619,33 +657,64 @@ start() { int fd; - if (g_dev != nullptr) + if (g_dev != nullptr) { errx(1, "already started"); + } /* create the driver */ - g_dev = new PX4FLOW(PX4FLOW_BUS); + g_dev = new PX4FLOW(PX4_I2C_BUS_EXPANSION); - if (g_dev == nullptr) + if (g_dev == nullptr) { goto fail; + } - if (OK != g_dev->init()) - goto fail; + if (OK != g_dev->init()) { + + #ifdef PX4_I2C_BUS_ESC + delete g_dev; + /* try 2nd bus */ + g_dev = new PX4FLOW(PX4_I2C_BUS_ESC); + + if (g_dev == nullptr) { + goto fail; + } + + if (OK != g_dev->init()) { + #endif + + delete g_dev; + /* try 3rd bus */ + g_dev = new PX4FLOW(PX4_I2C_BUS_ONBOARD); + + if (g_dev == nullptr) { + goto fail; + } + + if (OK != g_dev->init()) { + goto fail; + } + + #ifdef PX4_I2C_BUS_ESC + } + #endif + } /* set the poll rate to default, starts automatic data collection */ fd = open(PX4FLOW_DEVICE_PATH, O_RDONLY); - if (fd < 0) + if (fd < 0) { goto fail; + } - if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_MAX) < 0) + if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_MAX) < 0) { goto fail; + } exit(0); fail: - if (g_dev != nullptr) - { + if (g_dev != nullptr) { delete g_dev; g_dev = nullptr; } @@ -656,17 +725,17 @@ fail: /** * Stop the driver */ -void stop() +void +stop() { - if (g_dev != nullptr) - { + if (g_dev != nullptr) { delete g_dev; g_dev = nullptr; - } - else - { + + } else { errx(1, "driver not running"); } + exit(0); } @@ -678,33 +747,38 @@ void stop() void test() { - struct px4flow_report report; + struct optical_flow_s report; ssize_t sz; int ret; int fd = open(PX4FLOW_DEVICE_PATH, O_RDONLY); - if (fd < 0) + if (fd < 0) { err(1, "%s open failed (try 'px4flow start' if the driver is not running", PX4FLOW_DEVICE_PATH); + } + /* do a simple demand read */ sz = read(fd, &report, sizeof(report)); if (sz != sizeof(report)) - // err(1, "immediate read failed"); + { + warnx("immediate read failed"); + } warnx("single read"); - warnx("flowx: %0.2f m/s", (double)report.flow_comp_x_m); - warnx("flowy: %0.2f m/s", (double)report.flow_comp_y_m); - 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"); + warnx("pixel_flow_x_integral: %i", f_integral.pixel_flow_x_integral); + warnx("pixel_flow_y_integral: %i", f_integral.pixel_flow_y_integral); + warnx("framecount_integral: %u", + f_integral.frame_count_since_last_readout); + + /* start the sensor polling at 10Hz */ + if (OK != ioctl(fd, SENSORIOCSPOLLRATE, 10)) { + errx(1, "failed to set 10Hz poll rate"); + } /* read the sensor 5x and report each value */ - for (unsigned i = 0; i < 5; i++) { + for (unsigned i = 0; i < 10; i++) { struct pollfd fds; /* wait for data to be ready */ @@ -712,19 +786,34 @@ test() fds.events = POLLIN; ret = poll(&fds, 1, 2000); - if (ret != 1) + 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)) + if (sz != sizeof(report)) { err(1, "periodic read failed"); + } warnx("periodic read %u", i); - warnx("flowx: %0.2f m/s", (double)report.flow_comp_x_m); - warnx("flowy: %0.2f m/s", (double)report.flow_comp_y_m); - warnx("time: %lld", report.timestamp); + + warnx("framecount_total: %u", f.frame_count); + warnx("framecount_integral: %u", + f_integral.frame_count_since_last_readout); + warnx("pixel_flow_x_integral: %i", f_integral.pixel_flow_x_integral); + warnx("pixel_flow_y_integral: %i", f_integral.pixel_flow_y_integral); + warnx("gyro_x_rate_integral: %i", f_integral.gyro_x_rate_integral); + warnx("gyro_y_rate_integral: %i", f_integral.gyro_y_rate_integral); + warnx("gyro_z_rate_integral: %i", f_integral.gyro_z_rate_integral); + warnx("integration_timespan [us]: %u", f_integral.integration_timespan); + warnx("ground_distance: %0.2f m", + (double) f_integral.ground_distance / 1000); + warnx("time since last sonar update [us]: %i", + f_integral.time_since_last_sonar_update); + warnx("quality integration average : %i", f_integral.qual); + warnx("quality : %i", f.qual); } @@ -740,14 +829,17 @@ reset() { int fd = open(PX4FLOW_DEVICE_PATH, O_RDONLY); - if (fd < 0) + if (fd < 0) { err(1, "failed "); + } - if (ioctl(fd, SENSORIOCRESET, 0) < 0) + if (ioctl(fd, SENSORIOCRESET, 0) < 0) { err(1, "driver reset failed"); + } - if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT) < 0) + if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT) < 0) { err(1, "driver poll restart failed"); + } exit(0); } @@ -758,8 +850,9 @@ reset() void info() { - if (g_dev == nullptr) + if (g_dev == nullptr) { errx(1, "driver not running"); + } printf("state @ %p\n", g_dev); g_dev->print_info(); @@ -775,32 +868,37 @@ px4flow_main(int argc, char *argv[]) /* * Start/load the driver. */ - if (!strcmp(argv[1], "start")) + if (!strcmp(argv[1], "start")) { px4flow::start(); - - /* - * Stop the driver - */ - if (!strcmp(argv[1], "stop")) - px4flow::stop(); + } + + /* + * Stop the driver + */ + if (!strcmp(argv[1], "stop")) { + px4flow::stop(); + } /* * Test the driver/device. */ - if (!strcmp(argv[1], "test")) + if (!strcmp(argv[1], "test")) { px4flow::test(); + } /* * Reset the driver. */ - if (!strcmp(argv[1], "reset")) + if (!strcmp(argv[1], "reset")) { px4flow::reset(); + } /* * Print driver information. */ - if (!strcmp(argv[1], "info") || !strcmp(argv[1], "status")) + if (!strcmp(argv[1], "info") || !strcmp(argv[1], "status")) { px4flow::info(); + } errx(1, "unrecognized command, try 'start', 'test', 'reset' or 'info'"); } |