diff options
Diffstat (limited to 'src/modules/uavcan')
-rw-r--r-- | src/modules/uavcan/actuators/esc.cpp (renamed from src/modules/uavcan/esc_controller.cpp) | 90 | ||||
-rw-r--r-- | src/modules/uavcan/actuators/esc.hpp (renamed from src/modules/uavcan/esc_controller.hpp) | 19 | ||||
-rw-r--r-- | src/modules/uavcan/module.mk | 21 | ||||
-rw-r--r-- | src/modules/uavcan/sensors/baro.cpp | 113 | ||||
-rw-r--r-- | src/modules/uavcan/sensors/baro.hpp | 68 | ||||
-rw-r--r-- | src/modules/uavcan/sensors/gnss.cpp (renamed from src/modules/uavcan/gnss_receiver.cpp) | 100 | ||||
-rw-r--r-- | src/modules/uavcan/sensors/gnss.hpp (renamed from src/modules/uavcan/gnss_receiver.hpp) | 39 | ||||
-rw-r--r-- | src/modules/uavcan/sensors/mag.cpp | 150 | ||||
-rw-r--r-- | src/modules/uavcan/sensors/mag.hpp | 70 | ||||
-rw-r--r-- | src/modules/uavcan/sensors/sensor_bridge.cpp | 161 | ||||
-rw-r--r-- | src/modules/uavcan/sensors/sensor_bridge.hpp | 133 | ||||
-rw-r--r-- | src/modules/uavcan/uavcan_clock.cpp | 2 | ||||
-rw-r--r-- | src/modules/uavcan/uavcan_main.cpp | 369 | ||||
-rw-r--r-- | src/modules/uavcan/uavcan_main.hpp | 40 | ||||
-rw-r--r-- | src/modules/uavcan/uavcan_params.c | 73 |
15 files changed, 1218 insertions, 230 deletions
diff --git a/src/modules/uavcan/esc_controller.cpp b/src/modules/uavcan/actuators/esc.cpp index 406eba88c..9f682c7e1 100644 --- a/src/modules/uavcan/esc_controller.cpp +++ b/src/modules/uavcan/actuators/esc.cpp @@ -32,14 +32,17 @@ ****************************************************************************/ /** - * @file esc_controller.cpp + * @file esc.cpp * * @author Pavel Kirienko <pavel.kirienko@gmail.com> */ -#include "esc_controller.hpp" +#include "esc.hpp" #include <systemlib/err.h> + +#define MOTOR_BIT(x) (1<<(x)) + UavcanEscController::UavcanEscController(uavcan::INode &node) : _node(node), _uavcan_pub_raw_cmd(node), @@ -73,7 +76,9 @@ int UavcanEscController::init() void UavcanEscController::update_outputs(float *outputs, unsigned num_outputs) { - if ((outputs == nullptr) || (num_outputs > MAX_ESCS)) { + if ((outputs == nullptr) || + (num_outputs > uavcan::equipment::esc::RawCommand::FieldTypes::cmd::MaxSize) || + (num_outputs > CONNECTED_ESC_MAX)) { perf_count(_perfcnt_invalid_input); return; } @@ -93,25 +98,30 @@ void UavcanEscController::update_outputs(float *outputs, unsigned num_outputs) */ uavcan::equipment::esc::RawCommand msg; - if (_armed) { - for (unsigned i = 0; i < num_outputs; i++) { - - float scaled = (outputs[i] + 1.0F) * 0.5F * uavcan::equipment::esc::RawCommand::CMD_MAX; - if (scaled < 1.0F) { - scaled = 1.0F; // Since we're armed, we don't want to stop it completely - } - - if (scaled < uavcan::equipment::esc::RawCommand::CMD_MIN) { - scaled = uavcan::equipment::esc::RawCommand::CMD_MIN; + static const int cmd_max = uavcan::equipment::esc::RawCommand::FieldTypes::cmd::RawValueType::max(); + + for (unsigned i = 0; i < num_outputs; i++) { + if (_armed_mask & MOTOR_BIT(i)) { + float scaled = (outputs[i] + 1.0F) * 0.5F * cmd_max; + // trim negative values back to 0. Previously + // we set this to 0.1, which meant motors kept + // spinning when armed, but that should be a + // policy decision for a specific vehicle + // type, as it is not appropriate for all + // types of vehicles (eg. fixed wing). + if (scaled < 0.0F) { + scaled = 0.0F; + } + if (scaled > cmd_max) { + scaled = cmd_max; perf_count(_perfcnt_scaling_error); - } else if (scaled > uavcan::equipment::esc::RawCommand::CMD_MAX) { - scaled = uavcan::equipment::esc::RawCommand::CMD_MAX; - perf_count(_perfcnt_scaling_error); - } else { - ; // Correct value } - msg.cmd.push_back(static_cast<unsigned>(scaled)); + msg.cmd.push_back(static_cast<int>(scaled)); + + _esc_status.esc[i].esc_setpoint_raw = abs(static_cast<int>(scaled)); + } else { + msg.cmd.push_back(static_cast<unsigned>(0)); } } @@ -122,17 +132,51 @@ void UavcanEscController::update_outputs(float *outputs, unsigned num_outputs) (void)_uavcan_pub_raw_cmd.broadcast(msg); } -void UavcanEscController::arm_esc(bool arm) +void UavcanEscController::arm_all_escs(bool arm) +{ + if (arm) { + _armed_mask = -1; + } else { + _armed_mask = 0; + } +} + +void UavcanEscController::arm_single_esc(int num, bool arm) { - _armed = arm; + if (arm) { + _armed_mask = MOTOR_BIT(num); + } else { + _armed_mask = 0; + } } void UavcanEscController::esc_status_sub_cb(const uavcan::ReceivedDataStructure<uavcan::equipment::esc::Status> &msg) { - // TODO save status into a local storage; publish to ORB later from orb_pub_timer_cb() + if (msg.esc_index < CONNECTED_ESC_MAX) { + _esc_status.esc_count = uavcan::max<int>(_esc_status.esc_count, msg.esc_index + 1); + _esc_status.timestamp = msg.getMonotonicTimestamp().toUSec(); + + auto &ref = _esc_status.esc[msg.esc_index]; + + ref.esc_address = msg.getSrcNodeID().get(); + + ref.esc_voltage = msg.voltage; + ref.esc_current = msg.current; + ref.esc_temperature = msg.temperature; + ref.esc_setpoint = msg.power_rating_pct; + ref.esc_rpm = msg.rpm; + ref.esc_errorcount = msg.error_count; + } } void UavcanEscController::orb_pub_timer_cb(const uavcan::TimerEvent&) { - // TODO publish to ORB + _esc_status.counter += 1; + _esc_status.esc_connectiontype = ESC_CONNECTION_TYPE_CAN; + + if (_esc_status_pub > 0) { + (void)orb_publish(ORB_ID(esc_status), _esc_status_pub, &_esc_status); + } else { + _esc_status_pub = orb_advertise(ORB_ID(esc_status), &_esc_status); + } } diff --git a/src/modules/uavcan/esc_controller.hpp b/src/modules/uavcan/actuators/esc.hpp index 559ede561..12c035542 100644 --- a/src/modules/uavcan/esc_controller.hpp +++ b/src/modules/uavcan/actuators/esc.hpp @@ -32,7 +32,7 @@ ****************************************************************************/ /** - * @file esc_controller.hpp + * @file esc.hpp * * UAVCAN <--> ORB bridge for ESC messages: * uavcan.equipment.esc.RawCommand @@ -48,6 +48,8 @@ #include <uavcan/equipment/esc/RawCommand.hpp> #include <uavcan/equipment/esc/Status.hpp> #include <systemlib/perf_counter.h> +#include <uORB/topics/esc_status.h> + class UavcanEscController { @@ -59,7 +61,8 @@ public: void update_outputs(float *outputs, unsigned num_outputs); - void arm_esc(bool arm); + void arm_all_escs(bool arm); + void arm_single_esc(int num, bool arm); private: /** @@ -73,9 +76,8 @@ private: void orb_pub_timer_cb(const uavcan::TimerEvent &event); - static constexpr unsigned MAX_RATE_HZ = 100; ///< XXX make this configurable - static constexpr unsigned ESC_STATUS_UPDATE_RATE_HZ = 5; - static constexpr unsigned MAX_ESCS = uavcan::equipment::esc::RawCommand::FieldTypes::cmd::MaxSize; + static constexpr unsigned MAX_RATE_HZ = 200; ///< XXX make this configurable + static constexpr unsigned ESC_STATUS_UPDATE_RATE_HZ = 10; typedef uavcan::MethodBinder<UavcanEscController*, void (UavcanEscController::*)(const uavcan::ReceivedDataStructure<uavcan::equipment::esc::Status>&)> @@ -84,6 +86,10 @@ private: typedef uavcan::MethodBinder<UavcanEscController*, void (UavcanEscController::*)(const uavcan::TimerEvent&)> TimerCbBinder; + bool _armed = false; + esc_status_s _esc_status = {}; + orb_advert_t _esc_status_pub = -1; + /* * libuavcan related things */ @@ -96,8 +102,7 @@ private: /* * ESC states */ - bool _armed = false; - uavcan::equipment::esc::Status _states[MAX_ESCS]; + uint32_t _armed_mask = 0; /* * Perf counters diff --git a/src/modules/uavcan/module.mk b/src/modules/uavcan/module.mk index 1ef6f0cfa..f92bc754f 100644 --- a/src/modules/uavcan/module.mk +++ b/src/modules/uavcan/module.mk @@ -40,10 +40,19 @@ MODULE_COMMAND = uavcan MAXOPTIMIZATION = -Os -SRCS += uavcan_main.cpp \ - uavcan_clock.cpp \ - esc_controller.cpp \ - gnss_receiver.cpp +# Main +SRCS += uavcan_main.cpp \ + uavcan_clock.cpp \ + uavcan_params.c + +# Actuators +SRCS += actuators/esc.cpp + +# Sensors +SRCS += sensors/sensor_bridge.cpp \ + sensors/gnss.cpp \ + sensors/mag.cpp \ + sensors/baro.cpp # # libuavcan @@ -65,10 +74,6 @@ override EXTRADEFINES := $(EXTRADEFINES) -DUAVCAN_STM32_NUTTX -DUAVCAN_STM32_NUM # # Invoke DSDL compiler -# TODO: Add make target for this, or invoke dsdlc manually. -# The second option assumes that the generated headers shall be saved -# under the version control, which may be undesirable. -# The first option requires any Python and the Python Mako library for the sources to be built. # $(info $(shell $(LIBUAVCAN_DSDLC) $(UAVCAN_DSDL_DIR))) INCLUDE_DIRS += dsdlc_generated diff --git a/src/modules/uavcan/sensors/baro.cpp b/src/modules/uavcan/sensors/baro.cpp new file mode 100644 index 000000000..8741ae20d --- /dev/null +++ b/src/modules/uavcan/sensors/baro.cpp @@ -0,0 +1,113 @@ +/**************************************************************************** + * + * 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. + * + ****************************************************************************/ + +/** + * @author Pavel Kirienko <pavel.kirienko@gmail.com> + */ + +#include "baro.hpp" +#include <cmath> + +static const orb_id_t BARO_TOPICS[2] = { + ORB_ID(sensor_baro0), + ORB_ID(sensor_baro1) +}; + +const char *const UavcanBarometerBridge::NAME = "baro"; + +UavcanBarometerBridge::UavcanBarometerBridge(uavcan::INode& node) : +UavcanCDevSensorBridgeBase("uavcan_baro", "/dev/uavcan/baro", BARO_DEVICE_PATH, BARO_TOPICS), +_sub_air_data(node) +{ +} + +int UavcanBarometerBridge::init() +{ + int res = device::CDev::init(); + if (res < 0) { + return res; + } + + res = _sub_air_data.start(AirDataCbBinder(this, &UavcanBarometerBridge::air_data_sub_cb)); + if (res < 0) { + log("failed to start uavcan sub: %d", res); + return res; + } + return 0; +} + +int UavcanBarometerBridge::ioctl(struct file *filp, int cmd, unsigned long arg) +{ + switch (cmd) { + case BAROIOCSMSLPRESSURE: { + if ((arg < 80000) || (arg > 120000)) { + return -EINVAL; + } else { + log("new msl pressure %u", _msl_pressure); + _msl_pressure = arg; + return OK; + } + } + case BAROIOCGMSLPRESSURE: { + return _msl_pressure; + } + default: { + return CDev::ioctl(filp, cmd, arg); + } + } +} + +void UavcanBarometerBridge::air_data_sub_cb(const uavcan::ReceivedDataStructure<uavcan::equipment::air_data::StaticAirData> &msg) +{ + auto report = ::baro_report(); + + report.timestamp = msg.getMonotonicTimestamp().toUSec(); + report.temperature = msg.static_temperature; + report.pressure = msg.static_pressure / 100.0F; // Convert to millibar + + /* + * Altitude computation + * Refer to the MS5611 driver for details + */ + const double T1 = 15.0 + 273.15; // temperature at base height in Kelvin + const double a = -6.5 / 1000; // temperature gradient in degrees per metre + const double g = 9.80665; // gravity constant in m/s/s + const double R = 287.05; // ideal gas constant in J/kg/K + + const double p1 = _msl_pressure / 1000.0; // current pressure at MSL in kPa + const double p = double(msg.static_pressure) / 1000.0; // measured pressure in kPa + + report.altitude = (((std::pow((p / p1), (-(a * R) / g))) * T1) - T1) / a; + + publish(msg.getSrcNodeID().get(), &report); +} diff --git a/src/modules/uavcan/sensors/baro.hpp b/src/modules/uavcan/sensors/baro.hpp new file mode 100644 index 000000000..9d470219e --- /dev/null +++ b/src/modules/uavcan/sensors/baro.hpp @@ -0,0 +1,68 @@ +/**************************************************************************** + * + * 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. + * + ****************************************************************************/ + +/** + * @author Pavel Kirienko <pavel.kirienko@gmail.com> + */ + +#pragma once + +#include "sensor_bridge.hpp" +#include <drivers/drv_baro.h> + +#include <uavcan/equipment/air_data/StaticAirData.hpp> + +class UavcanBarometerBridge : public UavcanCDevSensorBridgeBase +{ +public: + static const char *const NAME; + + UavcanBarometerBridge(uavcan::INode& node); + + const char *get_name() const override { return NAME; } + + int init() override; + +private: + int ioctl(struct file *filp, int cmd, unsigned long arg) override; + + void air_data_sub_cb(const uavcan::ReceivedDataStructure<uavcan::equipment::air_data::StaticAirData> &msg); + + typedef uavcan::MethodBinder<UavcanBarometerBridge*, + void (UavcanBarometerBridge::*) + (const uavcan::ReceivedDataStructure<uavcan::equipment::air_data::StaticAirData>&)> + AirDataCbBinder; + + uavcan::Subscriber<uavcan::equipment::air_data::StaticAirData, AirDataCbBinder> _sub_air_data; + unsigned _msl_pressure = 101325; +}; diff --git a/src/modules/uavcan/gnss_receiver.cpp b/src/modules/uavcan/sensors/gnss.cpp index ba1fe5e49..a375db37f 100644 --- a/src/modules/uavcan/gnss_receiver.cpp +++ b/src/modules/uavcan/sensors/gnss.cpp @@ -32,52 +32,72 @@ ****************************************************************************/ /** - * @file gnss_receiver.cpp + * @file gnss.cpp * * @author Pavel Kirienko <pavel.kirienko@gmail.com> * @author Andrew Chambers <achamber@gmail.com> * */ -#include "gnss_receiver.hpp" +#include "gnss.hpp" #include <systemlib/err.h> #include <mathlib/mathlib.h> -#define MM_PER_CM 10 // Millimeters per centimeter +const char *const UavcanGnssBridge::NAME = "gnss"; -UavcanGnssReceiver::UavcanGnssReceiver(uavcan::INode &node) : +UavcanGnssBridge::UavcanGnssBridge(uavcan::INode &node) : _node(node), -_uavcan_sub_status(node), +_sub_fix(node), _report_pub(-1) { } -int UavcanGnssReceiver::init() +int UavcanGnssBridge::init() { - int res = -1; - - // GNSS fix subscription - res = _uavcan_sub_status.start(FixCbBinder(this, &UavcanGnssReceiver::gnss_fix_sub_cb)); + int res = _sub_fix.start(FixCbBinder(this, &UavcanGnssBridge::gnss_fix_sub_cb)); if (res < 0) { warnx("GNSS fix sub failed %i", res); return res; } + return res; +} - // Clear the uORB GPS report - memset(&_report, 0, sizeof(_report)); +unsigned UavcanGnssBridge::get_num_redundant_channels() const +{ + return (_receiver_node_id < 0) ? 0 : 1; +} - return res; +void UavcanGnssBridge::print_status() const +{ + printf("RX errors: %d, receiver node id: ", _sub_fix.getFailureCount()); + if (_receiver_node_id < 0) { + printf("N/A\n"); + } else { + printf("%d\n", _receiver_node_id); + } } -void UavcanGnssReceiver::gnss_fix_sub_cb(const uavcan::ReceivedDataStructure<uavcan::equipment::gnss::Fix> &msg) +void UavcanGnssBridge::gnss_fix_sub_cb(const uavcan::ReceivedDataStructure<uavcan::equipment::gnss::Fix> &msg) { - _report.timestamp_position = hrt_absolute_time(); - _report.lat = msg.lat_1e7; - _report.lon = msg.lon_1e7; - _report.alt = msg.alt_1e2 * MM_PER_CM; // Convert from centimeter (1e2) to millimeters (1e3) + // This bridge does not support redundant GNSS receivers yet. + if (_receiver_node_id < 0) { + _receiver_node_id = msg.getSrcNodeID().get(); + warnx("GNSS receiver node ID: %d", _receiver_node_id); + } else { + if (_receiver_node_id != msg.getSrcNodeID().get()) { + return; // This GNSS receiver is the redundant one, ignore it. + } + } + + auto report = ::vehicle_gps_position_s(); + + report.timestamp_position = msg.getMonotonicTimestamp().toUSec(); + report.lat = msg.latitude_deg_1e8 / 10; + report.lon = msg.longitude_deg_1e8 / 10; + report.alt = msg.height_msl_mm; - _report.timestamp_variance = _report.timestamp_position; + report.timestamp_variance = report.timestamp_position; // Check if the msg contains valid covariance information @@ -90,19 +110,19 @@ void UavcanGnssReceiver::gnss_fix_sub_cb(const uavcan::ReceivedDataStructure<uav // Horizontal position uncertainty const float horizontal_pos_variance = math::max(pos_cov[0], pos_cov[4]); - _report.eph = (horizontal_pos_variance > 0) ? sqrtf(horizontal_pos_variance) : -1.0F; + report.eph = (horizontal_pos_variance > 0) ? sqrtf(horizontal_pos_variance) : -1.0F; // Vertical position uncertainty - _report.epv = (pos_cov[8] > 0) ? sqrtf(pos_cov[8]) : -1.0F; + report.epv = (pos_cov[8] > 0) ? sqrtf(pos_cov[8]) : -1.0F; } else { - _report.eph = -1.0F; - _report.epv = -1.0F; + report.eph = -1.0F; + report.epv = -1.0F; } if (valid_velocity_covariance) { float vel_cov[9]; msg.velocity_covariance.unpackSquareMatrix(vel_cov); - _report.s_variance_m_s = math::max(math::max(vel_cov[0], vel_cov[4]), vel_cov[8]); + report.s_variance_m_s = math::max(math::max(vel_cov[0], vel_cov[4]), vel_cov[8]); /* There is a nonlinear relationship between the velocity vector and the heading. * Use Jacobian to transform velocity covariance to heading covariance @@ -118,36 +138,36 @@ void UavcanGnssReceiver::gnss_fix_sub_cb(const uavcan::ReceivedDataStructure<uav float vel_e = msg.ned_velocity[1]; float vel_n_sq = vel_n * vel_n; float vel_e_sq = vel_e * vel_e; - _report.c_variance_rad = + report.c_variance_rad = (vel_e_sq * vel_cov[0] + -2 * vel_n * vel_e * vel_cov[1] + // Covariance matrix is symmetric vel_n_sq* vel_cov[4]) / ((vel_n_sq + vel_e_sq) * (vel_n_sq + vel_e_sq)); } else { - _report.s_variance_m_s = -1.0F; - _report.c_variance_rad = -1.0F; + report.s_variance_m_s = -1.0F; + report.c_variance_rad = -1.0F; } - _report.fix_type = msg.status; + report.fix_type = msg.status; - _report.timestamp_velocity = _report.timestamp_position; - _report.vel_n_m_s = msg.ned_velocity[0]; - _report.vel_e_m_s = msg.ned_velocity[1]; - _report.vel_d_m_s = msg.ned_velocity[2]; - _report.vel_m_s = sqrtf(_report.vel_n_m_s * _report.vel_n_m_s + _report.vel_e_m_s * _report.vel_e_m_s + _report.vel_d_m_s * _report.vel_d_m_s); - _report.cog_rad = atan2f(_report.vel_e_m_s, _report.vel_n_m_s); - _report.vel_ned_valid = true; + report.timestamp_velocity = report.timestamp_position; + report.vel_n_m_s = msg.ned_velocity[0]; + report.vel_e_m_s = msg.ned_velocity[1]; + report.vel_d_m_s = msg.ned_velocity[2]; + report.vel_m_s = sqrtf(report.vel_n_m_s * report.vel_n_m_s + report.vel_e_m_s * report.vel_e_m_s + report.vel_d_m_s * report.vel_d_m_s); + report.cog_rad = atan2f(report.vel_e_m_s, report.vel_n_m_s); + report.vel_ned_valid = true; - _report.timestamp_time = _report.timestamp_position; - _report.time_gps_usec = uavcan::UtcTime(msg.gnss_timestamp).toUSec(); // Convert to microseconds + report.timestamp_time = report.timestamp_position; + report.time_gps_usec = uavcan::UtcTime(msg.gnss_timestamp).toUSec(); // Convert to microseconds - _report.satellites_used = msg.sats_used; + report.satellites_used = msg.sats_used; if (_report_pub > 0) { - orb_publish(ORB_ID(vehicle_gps_position), _report_pub, &_report); + orb_publish(ORB_ID(vehicle_gps_position), _report_pub, &report); } else { - _report_pub = orb_advertise(ORB_ID(vehicle_gps_position), &_report); + _report_pub = orb_advertise(ORB_ID(vehicle_gps_position), &report); } } diff --git a/src/modules/uavcan/gnss_receiver.hpp b/src/modules/uavcan/sensors/gnss.hpp index 18df8da2f..2111ff80b 100644 --- a/src/modules/uavcan/gnss_receiver.hpp +++ b/src/modules/uavcan/sensors/gnss.hpp @@ -32,7 +32,7 @@ ****************************************************************************/ /** - * @file gnss_receiver.hpp + * @file gnss.hpp * * UAVCAN --> ORB bridge for GNSS messages: * uavcan.equipment.gnss.Fix @@ -43,20 +43,28 @@ #pragma once -#include <drivers/drv_hrt.h> - #include <uORB/uORB.h> #include <uORB/topics/vehicle_gps_position.h> #include <uavcan/uavcan.hpp> #include <uavcan/equipment/gnss/Fix.hpp> -class UavcanGnssReceiver +#include "sensor_bridge.hpp" + +class UavcanGnssBridge : public IUavcanSensorBridge { public: - UavcanGnssReceiver(uavcan::INode& node); + static const char *const NAME; + + UavcanGnssBridge(uavcan::INode& node); + + const char *get_name() const override { return NAME; } + + int init() override; - int init(); + unsigned get_num_redundant_channels() const override; + + void print_status() const override; private: /** @@ -64,21 +72,14 @@ private: */ void gnss_fix_sub_cb(const uavcan::ReceivedDataStructure<uavcan::equipment::gnss::Fix> &msg); - - typedef uavcan::MethodBinder<UavcanGnssReceiver*, - void (UavcanGnssReceiver::*)(const uavcan::ReceivedDataStructure<uavcan::equipment::gnss::Fix>&)> + typedef uavcan::MethodBinder<UavcanGnssBridge*, + void (UavcanGnssBridge::*)(const uavcan::ReceivedDataStructure<uavcan::equipment::gnss::Fix>&)> FixCbBinder; - /* - * libuavcan related things - */ - uavcan::INode &_node; - uavcan::Subscriber<uavcan::equipment::gnss::Fix, FixCbBinder> _uavcan_sub_status; + uavcan::INode &_node; + uavcan::Subscriber<uavcan::equipment::gnss::Fix, FixCbBinder> _sub_fix; + int _receiver_node_id = -1; - /* - * uORB - */ - struct vehicle_gps_position_s _report; ///< uORB topic for gnss position - orb_advert_t _report_pub; ///< uORB pub for gnss position + orb_advert_t _report_pub; ///< uORB pub for gnss position }; diff --git a/src/modules/uavcan/sensors/mag.cpp b/src/modules/uavcan/sensors/mag.cpp new file mode 100644 index 000000000..35ebee542 --- /dev/null +++ b/src/modules/uavcan/sensors/mag.cpp @@ -0,0 +1,150 @@ +/**************************************************************************** + * + * 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. + * + ****************************************************************************/ + +/** + * @author Pavel Kirienko <pavel.kirienko@gmail.com> + */ + +#include "mag.hpp" + +#include <systemlib/err.h> + +static const orb_id_t MAG_TOPICS[3] = { + ORB_ID(sensor_mag0), + ORB_ID(sensor_mag1), + ORB_ID(sensor_mag2) +}; + +const char *const UavcanMagnetometerBridge::NAME = "mag"; + +UavcanMagnetometerBridge::UavcanMagnetometerBridge(uavcan::INode& node) : +UavcanCDevSensorBridgeBase("uavcan_mag", "/dev/uavcan/mag", MAG_DEVICE_PATH, MAG_TOPICS), +_sub_mag(node) +{ + _device_id.devid_s.devtype = DRV_MAG_DEVTYPE_HMC5883; + + _scale.x_scale = 1.0F; + _scale.y_scale = 1.0F; + _scale.z_scale = 1.0F; +} + +int UavcanMagnetometerBridge::init() +{ + int res = device::CDev::init(); + if (res < 0) { + return res; + } + + res = _sub_mag.start(MagCbBinder(this, &UavcanMagnetometerBridge::mag_sub_cb)); + if (res < 0) { + log("failed to start uavcan sub: %d", res); + return res; + } + return 0; +} + +ssize_t UavcanMagnetometerBridge::read(struct file *filp, char *buffer, size_t buflen) +{ + static uint64_t last_read = 0; + struct mag_report *mag_buf = reinterpret_cast<struct mag_report *>(buffer); + + /* buffer must be large enough */ + unsigned count = buflen / sizeof(struct mag_report); + if (count < 1) { + return -ENOSPC; + } + + if (last_read < _report.timestamp) { + /* copy report */ + lock(); + *mag_buf = _report; + last_read = _report.timestamp; + unlock(); + return sizeof(struct mag_report); + } else { + /* no new data available, warn caller */ + return -EAGAIN; + } +} + +int UavcanMagnetometerBridge::ioctl(struct file *filp, int cmd, unsigned long arg) +{ + switch (cmd) { + case SENSORIOCSQUEUEDEPTH: { + return OK; // Pretend that this stuff is supported to keep APM happy + } + case MAGIOCSSCALE: { + std::memcpy(&_scale, reinterpret_cast<const void*>(arg), sizeof(_scale)); + return 0; + } + case MAGIOCGSCALE: { + std::memcpy(reinterpret_cast<void*>(arg), &_scale, sizeof(_scale)); + return 0; + } + case MAGIOCSELFTEST: { + return 0; // Nothing to do + } + case MAGIOCGEXTERNAL: { + return 1; // declare it external rise it's priority and to allow for correct orientation compensation + } + case MAGIOCSSAMPLERATE: { + return 0; // Pretend that this stuff is supported to keep the sensor app happy + } + case MAGIOCCALIBRATE: + case MAGIOCGSAMPLERATE: + case MAGIOCSRANGE: + case MAGIOCGRANGE: + case MAGIOCSLOWPASS: + case MAGIOCEXSTRAP: + case MAGIOCGLOWPASS: { + return -EINVAL; + } + default: { + return CDev::ioctl(filp, cmd, arg); + } + } +} + +void UavcanMagnetometerBridge::mag_sub_cb(const uavcan::ReceivedDataStructure<uavcan::equipment::ahrs::Magnetometer> &msg) +{ + lock(); + _report.range_ga = 1.3F; // Arbitrary number, doesn't really mean anything + _report.timestamp = msg.getMonotonicTimestamp().toUSec(); + + _report.x = (msg.magnetic_field[0] - _scale.x_offset) * _scale.x_scale; + _report.y = (msg.magnetic_field[1] - _scale.y_offset) * _scale.y_scale; + _report.z = (msg.magnetic_field[2] - _scale.z_offset) * _scale.z_scale; + unlock(); + + publish(msg.getSrcNodeID().get(), &_report); +} diff --git a/src/modules/uavcan/sensors/mag.hpp b/src/modules/uavcan/sensors/mag.hpp new file mode 100644 index 000000000..74077d883 --- /dev/null +++ b/src/modules/uavcan/sensors/mag.hpp @@ -0,0 +1,70 @@ +/**************************************************************************** + * + * 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. + * + ****************************************************************************/ + +/** + * @author Pavel Kirienko <pavel.kirienko@gmail.com> + */ + +#pragma once + +#include "sensor_bridge.hpp" +#include <drivers/drv_mag.h> + +#include <uavcan/equipment/ahrs/Magnetometer.hpp> + +class UavcanMagnetometerBridge : public UavcanCDevSensorBridgeBase +{ +public: + static const char *const NAME; + + UavcanMagnetometerBridge(uavcan::INode& node); + + const char *get_name() const override { return NAME; } + + int init() override; + +private: + ssize_t read(struct file *filp, char *buffer, size_t buflen); + int ioctl(struct file *filp, int cmd, unsigned long arg) override; + + void mag_sub_cb(const uavcan::ReceivedDataStructure<uavcan::equipment::ahrs::Magnetometer> &msg); + + typedef uavcan::MethodBinder<UavcanMagnetometerBridge*, + void (UavcanMagnetometerBridge::*) + (const uavcan::ReceivedDataStructure<uavcan::equipment::ahrs::Magnetometer>&)> + MagCbBinder; + + uavcan::Subscriber<uavcan::equipment::ahrs::Magnetometer, MagCbBinder> _sub_mag; + mag_scale _scale = {}; + mag_report _report = {}; +}; diff --git a/src/modules/uavcan/sensors/sensor_bridge.cpp b/src/modules/uavcan/sensors/sensor_bridge.cpp new file mode 100644 index 000000000..0999938fc --- /dev/null +++ b/src/modules/uavcan/sensors/sensor_bridge.cpp @@ -0,0 +1,161 @@ +/**************************************************************************** + * + * 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. + * + ****************************************************************************/ + +/** + * @author Pavel Kirienko <pavel.kirienko@gmail.com> + */ + +#include "sensor_bridge.hpp" +#include <cassert> + +#include "gnss.hpp" +#include "mag.hpp" +#include "baro.hpp" + +/* + * IUavcanSensorBridge + */ +void IUavcanSensorBridge::make_all(uavcan::INode &node, List<IUavcanSensorBridge*> &list) +{ + list.add(new UavcanBarometerBridge(node)); + list.add(new UavcanMagnetometerBridge(node)); + list.add(new UavcanGnssBridge(node)); +} + +/* + * UavcanCDevSensorBridgeBase + */ +UavcanCDevSensorBridgeBase::~UavcanCDevSensorBridgeBase() +{ + for (unsigned i = 0; i < _max_channels; i++) { + if (_channels[i].node_id >= 0) { + (void)unregister_class_devname(_class_devname, _channels[i].class_instance); + } + } + delete [] _orb_topics; + delete [] _channels; +} + +void UavcanCDevSensorBridgeBase::publish(const int node_id, const void *report) +{ + assert(report != nullptr); + + Channel *channel = nullptr; + + // Checking if such channel already exists + for (unsigned i = 0; i < _max_channels; i++) { + if (_channels[i].node_id == node_id) { + channel = _channels + i; + break; + } + } + + // No such channel - try to create one + if (channel == nullptr) { + if (_out_of_channels) { + return; // Give up immediately - saves some CPU time + } + + log("adding channel %d...", node_id); + + // Search for the first free channel + for (unsigned i = 0; i < _max_channels; i++) { + if (_channels[i].node_id < 0) { + channel = _channels + i; + break; + } + } + + // No free channels left + if (channel == nullptr) { + _out_of_channels = true; + log("out of channels"); + return; + } + + // update device id as we now know our device node_id + _device_id.devid_s.address = static_cast<uint8_t>(node_id); + + // Ask the CDev helper which class instance we can take + const int class_instance = register_class_devname(_class_devname); + if (class_instance < 0 || class_instance >= int(_max_channels)) { + _out_of_channels = true; + log("out of class instances"); + (void)unregister_class_devname(_class_devname, class_instance); + return; + } + + // Publish to the appropriate topic, abort on failure + channel->orb_id = _orb_topics[class_instance]; + channel->node_id = node_id; + channel->class_instance = class_instance; + + channel->orb_advert = orb_advertise(channel->orb_id, report); + if (channel->orb_advert < 0) { + log("ADVERTISE FAILED"); + (void)unregister_class_devname(_class_devname, class_instance); + *channel = Channel(); + return; + } + + log("channel %d class instance %d ok", channel->node_id, channel->class_instance); + } + assert(channel != nullptr); + + (void)orb_publish(channel->orb_id, channel->orb_advert, report); +} + +unsigned UavcanCDevSensorBridgeBase::get_num_redundant_channels() const +{ + unsigned out = 0; + for (unsigned i = 0; i < _max_channels; i++) { + if (_channels[i].node_id >= 0) { + out += 1; + } + } + return out; +} + +void UavcanCDevSensorBridgeBase::print_status() const +{ + printf("devname: %s\n", _class_devname); + + for (unsigned i = 0; i < _max_channels; i++) { + if (_channels[i].node_id >= 0) { + printf("channel %d: node id %d --> class instance %d\n", + i, _channels[i].node_id, _channels[i].class_instance); + } else { + printf("channel %d: empty\n", i); + } + } +} diff --git a/src/modules/uavcan/sensors/sensor_bridge.hpp b/src/modules/uavcan/sensors/sensor_bridge.hpp new file mode 100644 index 000000000..e31960537 --- /dev/null +++ b/src/modules/uavcan/sensors/sensor_bridge.hpp @@ -0,0 +1,133 @@ +/**************************************************************************** + * + * 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. + * + ****************************************************************************/ + +/** + * @author Pavel Kirienko <pavel.kirienko@gmail.com> + */ + +#pragma once + +#include <containers/List.hpp> +#include <uavcan/uavcan.hpp> +#include <drivers/device/device.h> +#include <drivers/drv_orb_dev.h> + +/** + * A sensor bridge class must implement this interface. + */ +class IUavcanSensorBridge : uavcan::Noncopyable, public ListNode<IUavcanSensorBridge*> +{ +public: + static constexpr unsigned MAX_NAME_LEN = 20; + + virtual ~IUavcanSensorBridge() { } + + /** + * Returns ASCII name of the bridge. + */ + virtual const char *get_name() const = 0; + + /** + * Starts the bridge. + * @return Non-negative value on success, negative on error. + */ + virtual int init() = 0; + + /** + * Returns number of active redundancy channels. + */ + virtual unsigned get_num_redundant_channels() const = 0; + + /** + * Prints current status in a human readable format to stdout. + */ + virtual void print_status() const = 0; + + /** + * Sensor bridge factory. + * Creates a bridge object by its ASCII name, e.g. "gnss", "mag". + * @return nullptr if such bridge can't be created. + */ + static void make_all(uavcan::INode &node, List<IUavcanSensorBridge*> &list); +}; + +/** + * This is the base class for redundant sensors with an independent ORB topic per each redundancy channel. + * For example, sensor_mag0, sensor_mag1, etc. + */ +class UavcanCDevSensorBridgeBase : public IUavcanSensorBridge, public device::CDev +{ + struct Channel + { + int node_id = -1; + orb_id_t orb_id = nullptr; + orb_advert_t orb_advert = -1; + int class_instance = -1; + }; + + const unsigned _max_channels; + const char *const _class_devname; + orb_id_t *const _orb_topics; + Channel *const _channels; + bool _out_of_channels = false; + +protected: + template <unsigned MaxChannels> + UavcanCDevSensorBridgeBase(const char *name, const char *devname, const char *class_devname, + const orb_id_t (&orb_topics)[MaxChannels]) : + device::CDev(name, devname), + _max_channels(MaxChannels), + _class_devname(class_devname), + _orb_topics(new orb_id_t[MaxChannels]), + _channels(new Channel[MaxChannels]) + { + memcpy(_orb_topics, orb_topics, sizeof(orb_id_t) * MaxChannels); + _device_id.devid_s.bus_type = DeviceBusType_UAVCAN; + _device_id.devid_s.bus = 0; + } + + /** + * Sends one measurement into appropriate ORB topic. + * New redundancy channels will be registered automatically. + * @param node_id Sensor's Node ID + * @param report Pointer to ORB message object + */ + void publish(const int node_id, const void *report); + +public: + virtual ~UavcanCDevSensorBridgeBase(); + + unsigned get_num_redundant_channels() const override; + + void print_status() const override; +}; diff --git a/src/modules/uavcan/uavcan_clock.cpp b/src/modules/uavcan/uavcan_clock.cpp index e41d5f953..fe8ba406a 100644 --- a/src/modules/uavcan/uavcan_clock.cpp +++ b/src/modules/uavcan/uavcan_clock.cpp @@ -62,6 +62,8 @@ void adjustUtc(uavcan::UtcDuration adjustment) (void)adjustment; } +uavcan::uint64_t getUtcUSecFromCanInterrupt(); + uavcan::uint64_t getUtcUSecFromCanInterrupt() { return 0; diff --git a/src/modules/uavcan/uavcan_main.cpp b/src/modules/uavcan/uavcan_main.cpp index 27e77e9c5..8147a8b89 100644 --- a/src/modules/uavcan/uavcan_main.cpp +++ b/src/modules/uavcan/uavcan_main.cpp @@ -38,7 +38,11 @@ #include <fcntl.h> #include <systemlib/err.h> #include <systemlib/systemlib.h> +#include <systemlib/param/param.h> #include <systemlib/mixer/mixer.h> +#include <systemlib/board_serial.h> +#include <systemlib/scheduling_priorities.h> +#include <version/version.h> #include <arch/board/board.h> #include <arch/chip/chip.h> @@ -63,16 +67,18 @@ UavcanNode *UavcanNode::_instance; UavcanNode::UavcanNode(uavcan::ICanDriver &can_driver, uavcan::ISystemClock &system_clock) : CDev("uavcan", UAVCAN_DEVICE_PATH), _node(can_driver, system_clock), - _esc_controller(_node), - _gnss_receiver(_node) + _node_mutex(), + _esc_controller(_node) { _control_topics[0] = ORB_ID(actuator_controls_0); _control_topics[1] = ORB_ID(actuator_controls_1); _control_topics[2] = ORB_ID(actuator_controls_2); _control_topics[3] = ORB_ID(actuator_controls_3); - // memset(_controls, 0, sizeof(_controls)); - // memset(_poll_fds, 0, sizeof(_poll_fds)); + const int res = pthread_mutex_init(&_node_mutex, nullptr); + if (res < 0) { + std::abort(); + } } UavcanNode::~UavcanNode() @@ -97,10 +103,18 @@ UavcanNode::~UavcanNode() } /* clean up the alternate device node */ - // unregister_driver(PWM_OUTPUT_DEVICE_PATH); + // unregister_driver(PWM_OUTPUT_DEVICE_PATH); ::close(_armed_sub); + // Removing the sensor bridges + auto br = _sensor_bridges.getHead(); + while (br != nullptr) { + auto next = br->getSibling(); + delete br; + br = next; + } + _instance = nullptr; } @@ -162,7 +176,7 @@ int UavcanNode::start(uavcan::NodeID node_id, uint32_t bitrate) * Start the task. Normally it should never exit. */ static auto run_trampoline = [](int, char *[]) {return UavcanNode::_instance->run();}; - _instance->_task = task_spawn_cmd("uavcan", SCHED_DEFAULT, SCHED_PRIORITY_DEFAULT, StackSize, + _instance->_task = task_spawn_cmd("uavcan", SCHED_DEFAULT, SCHED_PRIORITY_ACTUATOR_OUTPUTS, StackSize, static_cast<main_t>(run_trampoline), nullptr); if (_instance->_task < 0) { @@ -173,37 +187,76 @@ int UavcanNode::start(uavcan::NodeID node_id, uint32_t bitrate) return OK; } +void UavcanNode::fill_node_info() +{ + /* software version */ + uavcan::protocol::SoftwareVersion swver; + + // Extracting the first 8 hex digits of FW_GIT and converting them to int + char fw_git_short[9] = {}; + std::memmove(fw_git_short, FW_GIT, 8); + assert(fw_git_short[8] == '\0'); + char *end = nullptr; + swver.vcs_commit = std::strtol(fw_git_short, &end, 16); + swver.optional_field_mask |= swver.OPTIONAL_FIELD_MASK_VCS_COMMIT; + + warnx("SW version vcs_commit: 0x%08x", unsigned(swver.vcs_commit)); + + _node.setSoftwareVersion(swver); + + /* hardware version */ + uavcan::protocol::HardwareVersion hwver; + + if (!std::strncmp(HW_ARCH, "PX4FMU_V1", 9)) { + hwver.major = 1; + } else if (!std::strncmp(HW_ARCH, "PX4FMU_V2", 9)) { + hwver.major = 2; + } else { + ; // All other values of HW_ARCH resolve to zero + } + + uint8_t udid[12] = {}; // Someone seems to love magic numbers + get_board_serial(udid); + uavcan::copy(udid, udid + sizeof(udid), hwver.unique_id.begin()); + + _node.setHardwareVersion(hwver); +} + int UavcanNode::init(uavcan::NodeID node_id) { int ret = -1; - /* do regular cdev init */ + // Do regular cdev init ret = CDev::init(); - if (ret != OK) - return ret; - - ret = _esc_controller.init(); - if (ret < 0) + if (ret != OK) { return ret; + } - ret = _gnss_receiver.init(); - if (ret < 0) - return ret; + _node.setName("org.pixhawk.pixhawk"); - uavcan::protocol::SoftwareVersion swver; - swver.major = 12; // TODO fill version info - swver.minor = 34; - _node.setSoftwareVersion(swver); + _node.setNodeID(node_id); - uavcan::protocol::HardwareVersion hwver; - hwver.major = 42; // TODO fill version info - hwver.minor = 42; - _node.setHardwareVersion(hwver); + fill_node_info(); - _node.setName("org.pixhawk"); // Huh? + // Actuators + ret = _esc_controller.init(); + if (ret < 0) { + return ret; + } - _node.setNodeID(node_id); + // Sensor bridges + IUavcanSensorBridge::make_all(_node, _sensor_bridges); + auto br = _sensor_bridges.getHead(); + while (br != nullptr) { + ret = br->init(); + if (ret < 0) { + warnx("cannot init sensor bridge '%s' (%d)", br->get_name(), ret); + return ret; + } + warnx("sensor bridge '%s' init ok", br->get_name()); + br = br->getSibling(); + } return _node.start(); } @@ -216,18 +269,38 @@ void UavcanNode::node_spin_once() } } +/* + add a fd to the list of polled events. This assumes you want + POLLIN for now. + */ +int UavcanNode::add_poll_fd(int fd) +{ + int ret = _poll_fds_num; + if (_poll_fds_num >= UAVCAN_NUM_POLL_FDS) { + errx(1, "uavcan: too many poll fds, exiting"); + } + _poll_fds[_poll_fds_num] = ::pollfd(); + _poll_fds[_poll_fds_num].fd = fd; + _poll_fds[_poll_fds_num].events = POLLIN; + _poll_fds_num += 1; + return ret; +} + + int UavcanNode::run() { + (void)pthread_mutex_lock(&_node_mutex); + const unsigned PollTimeoutMs = 50; // XXX figure out the output count _output_count = 2; - _armed_sub = orb_subscribe(ORB_ID(actuator_armed)); + _test_motor_sub = orb_subscribe(ORB_ID(test_motor)); + _actuator_direct_sub = orb_subscribe(ORB_ID(actuator_direct)); - actuator_outputs_s outputs; - memset(&outputs, 0, sizeof(outputs)); + memset(&_outputs, 0, sizeof(_outputs)); const int busevent_fd = ::open(uavcan_stm32::BusEvent::DevName, 0); if (busevent_fd < 0) @@ -243,27 +316,40 @@ int UavcanNode::run() _node.setStatusOk(); - while (!_task_should_exit) { + /* + * This event is needed to wake up the thread on CAN bus activity (RX/TX/Error). + * Please note that with such multiplexing it is no longer possible to rely only on + * the value returned from poll() to detect whether actuator control has timed out or not. + * Instead, all ORB events need to be checked individually (see below). + */ + add_poll_fd(busevent_fd); + /* + * setup poll to look for actuator direct input if we are + * subscribed to the topic + */ + if (_actuator_direct_sub != -1) { + _actuator_direct_poll_fd_num = add_poll_fd(_actuator_direct_sub); + } + + while (!_task_should_exit) { + // update actuator controls subscriptions if needed if (_groups_subscribed != _groups_required) { subscribe(); _groups_subscribed = _groups_required; - /* - * This event is needed to wake up the thread on CAN bus activity (RX/TX/Error). - * Please note that with such multiplexing it is no longer possible to rely only on - * the value returned from poll() to detect whether actuator control has timed out or not. - * Instead, all ORB events need to be checked individually (see below). - */ - _poll_fds[_poll_fds_num] = ::pollfd(); - _poll_fds[_poll_fds_num].fd = busevent_fd; - _poll_fds[_poll_fds_num].events = POLLIN; - _poll_fds_num += 1; } + // Mutex is unlocked while the thread is blocked on IO multiplexing + (void)pthread_mutex_unlock(&_node_mutex); + const int poll_ret = ::poll(_poll_fds, _poll_fds_num, PollTimeoutMs); + (void)pthread_mutex_lock(&_node_mutex); + node_spin_once(); // Non-blocking + bool new_output = false; + // this would be bad... if (poll_ret < 0) { log("poll error %d", errno); @@ -271,73 +357,102 @@ int UavcanNode::run() } else { // get controls for required topics bool controls_updated = false; - unsigned poll_id = 0; for (unsigned i = 0; i < NUM_ACTUATOR_CONTROL_GROUPS; i++) { if (_control_subs[i] > 0) { - if (_poll_fds[poll_id].revents & POLLIN) { + if (_poll_fds[_poll_ids[i]].revents & POLLIN) { controls_updated = true; orb_copy(_control_topics[i], _control_subs[i], &_controls[i]); } - poll_id++; } } - if (!controls_updated) { - // timeout: no control data, switch to failsafe values - // XXX trigger failsafe + /* + see if we have any direct actuator updates + */ + if (_actuator_direct_sub != -1 && + (_poll_fds[_actuator_direct_poll_fd_num].revents & POLLIN) && + orb_copy(ORB_ID(actuator_direct), _actuator_direct_sub, &_actuator_direct) == OK && + !_test_in_progress) { + if (_actuator_direct.nvalues > NUM_ACTUATOR_OUTPUTS) { + _actuator_direct.nvalues = NUM_ACTUATOR_OUTPUTS; + } + memcpy(&_outputs.output[0], &_actuator_direct.values[0], + _actuator_direct.nvalues*sizeof(float)); + _outputs.noutputs = _actuator_direct.nvalues; + new_output = true; } - //can we mix? - if (controls_updated && (_mixers != nullptr)) { + // can we mix? + if (_test_in_progress) { + memset(&_outputs, 0, sizeof(_outputs)); + if (_test_motor.motor_number < NUM_ACTUATOR_OUTPUTS) { + _outputs.output[_test_motor.motor_number] = _test_motor.value*2.0f-1.0f; + _outputs.noutputs = _test_motor.motor_number+1; + } + new_output = true; + } else if (controls_updated && (_mixers != nullptr)) { // XXX one output group has 8 outputs max, // but this driver could well serve multiple groups. unsigned num_outputs_max = 8; // Do mixing - outputs.noutputs = _mixers->mix(&outputs.output[0], num_outputs_max); - outputs.timestamp = hrt_absolute_time(); - - // iterate actuators - for (unsigned i = 0; i < outputs.noutputs; i++) { - // last resort: catch NaN, INF and out-of-band errors - if (!isfinite(outputs.output[i])) { - /* - * Value is NaN, INF or out of band - set to the minimum value. - * This will be clearly visible on the servo status and will limit the risk of accidentally - * spinning motors. It would be deadly in flight. - */ - outputs.output[i] = -1.0f; - } + _outputs.noutputs = _mixers->mix(&_outputs.output[0], num_outputs_max); - // limit outputs to valid range + new_output = true; + } + } - // never go below min - if (outputs.output[i] < -1.0f) { - outputs.output[i] = -1.0f; - } + if (new_output) { + // iterate actuators, checking for valid values + for (uint8_t i = 0; i < _outputs.noutputs; i++) { + // last resort: catch NaN, INF and out-of-band errors + if (!isfinite(_outputs.output[i])) { + /* + * Value is NaN, INF or out of band - set to the minimum value. + * This will be clearly visible on the servo status and will limit the risk of accidentally + * spinning motors. It would be deadly in flight. + */ + _outputs.output[i] = -1.0f; + } - // never go below max - if (outputs.output[i] > 1.0f) { - outputs.output[i] = 1.0f; - } + // never go below min + if (_outputs.output[i] < -1.0f) { + _outputs.output[i] = -1.0f; } - // Output to the bus - _esc_controller.update_outputs(outputs.output, outputs.noutputs); + // never go above max + if (_outputs.output[i] > 1.0f) { + _outputs.output[i] = 1.0f; + } } + // Output to the bus + _outputs.timestamp = hrt_absolute_time(); + _esc_controller.update_outputs(_outputs.output, _outputs.noutputs); + } + + // Check motor test state + bool updated = false; + orb_check(_test_motor_sub, &updated); + + if (updated) { + orb_copy(ORB_ID(test_motor), _test_motor_sub, &_test_motor); + + // Update the test status and check that we're not locked down + _test_in_progress = (_test_motor.value > 0); + _esc_controller.arm_single_esc(_test_motor.motor_number, _test_in_progress); } // Check arming state - bool updated = false; orb_check(_armed_sub, &updated); if (updated) { orb_copy(ORB_ID(actuator_armed), _armed_sub, &_armed); - // Update the armed status and check that we're not locked down - bool set_armed = _armed.armed && !_armed.lockdown; + // Update the armed status and check that we're not locked down and motor + // test is not running + bool set_armed = _armed.armed && !_armed.lockdown && !_test_in_progress; arm_actuators(set_armed); } @@ -350,10 +465,7 @@ int UavcanNode::run() } int -UavcanNode::control_callback(uintptr_t handle, - uint8_t control_group, - uint8_t control_index, - float &input) +UavcanNode::control_callback(uintptr_t handle, uint8_t control_group, uint8_t control_index, float &input) { const actuator_controls_s *controls = (actuator_controls_s *)handle; @@ -377,7 +489,7 @@ int UavcanNode::arm_actuators(bool arm) { _is_armed = arm; - _esc_controller.arm_esc(arm); + _esc_controller.arm_all_escs(arm); return OK; } @@ -387,7 +499,7 @@ UavcanNode::subscribe() // Subscribe/unsubscribe to required actuator control groups uint32_t sub_groups = _groups_required & ~_groups_subscribed; uint32_t unsub_groups = _groups_subscribed & ~_groups_required; - _poll_fds_num = 0; + // the first fd used by CAN for (unsigned i = 0; i < NUM_ACTUATOR_CONTROL_GROUPS; i++) { if (sub_groups & (1 << i)) { warnx("subscribe to actuator_controls_%d", i); @@ -400,9 +512,7 @@ UavcanNode::subscribe() } if (_control_subs[i] > 0) { - _poll_fds[_poll_fds_num].fd = _control_subs[i]; - _poll_fds[_poll_fds_num].events = POLLIN; - _poll_fds_num++; + _poll_ids[i] = add_poll_fd(_control_subs[i]); } } } @@ -493,8 +603,31 @@ UavcanNode::print_info() warnx("not running, start first"); } - warnx("groups: sub: %u / req: %u / fds: %u", (unsigned)_groups_subscribed, (unsigned)_groups_required, _poll_fds_num); - warnx("mixer: %s", (_mixers == nullptr) ? "FAIL" : "OK"); + (void)pthread_mutex_lock(&_node_mutex); + + // ESC mixer status + printf("ESC actuators control groups: sub: %u / req: %u / fds: %u\n", + (unsigned)_groups_subscribed, (unsigned)_groups_required, _poll_fds_num); + printf("ESC mixer: %s\n", (_mixers == nullptr) ? "NONE" : "OK"); + + if (_outputs.noutputs != 0) { + printf("ESC output: "); + for (uint8_t i=0; i<_outputs.noutputs; i++) { + printf("%d ", (int)(_outputs.output[i]*1000)); + } + printf("\n"); + } + + // Sensor bridges + auto br = _sensor_bridges.getHead(); + while (br != nullptr) { + printf("Sensor '%s':\n", br->get_name()); + br->print_status(); + printf("\n"); + br = br->getSibling(); + } + + (void)pthread_mutex_unlock(&_node_mutex); } /* @@ -502,79 +635,67 @@ UavcanNode::print_info() */ static void print_usage() { - warnx("usage: uavcan start <node_id> [can_bitrate]"); + warnx("usage: \n" + "\tuavcan {start|status|stop|arm|disarm}"); } extern "C" __EXPORT int uavcan_main(int argc, char *argv[]); int uavcan_main(int argc, char *argv[]) { - constexpr unsigned DEFAULT_CAN_BITRATE = 1000000; - if (argc < 2) { print_usage(); ::exit(1); } if (!std::strcmp(argv[1], "start")) { - if (argc < 3) { - print_usage(); - ::exit(1); + if (UavcanNode::instance()) { + errx(1, "already started"); } - /* - * Node ID - */ - const int node_id = atoi(argv[2]); + // Node ID + int32_t node_id = 0; + (void)param_get(param_find("UAVCAN_NODE_ID"), &node_id); if (node_id < 0 || node_id > uavcan::NodeID::Max || !uavcan::NodeID(node_id).isUnicast()) { warnx("Invalid Node ID %i", node_id); ::exit(1); } - /* - * CAN bitrate - */ - unsigned bitrate = 0; - - if (argc > 3) { - bitrate = atol(argv[3]); - } - - if (bitrate <= 0) { - bitrate = DEFAULT_CAN_BITRATE; - } - - if (UavcanNode::instance()) { - errx(1, "already started"); - } + // CAN bitrate + int32_t bitrate = 0; + (void)param_get(param_find("UAVCAN_BITRATE"), &bitrate); - /* - * Start - */ + // Start warnx("Node ID %u, bitrate %u", node_id, bitrate); return UavcanNode::start(node_id, bitrate); - } /* commands below require the app to be started */ - UavcanNode *inst = UavcanNode::instance(); + UavcanNode *const inst = UavcanNode::instance(); if (!inst) { errx(1, "application not running"); } if (!std::strcmp(argv[1], "status") || !std::strcmp(argv[1], "info")) { - - inst->print_info(); - return OK; + inst->print_info(); + ::exit(0); + } + + if (!std::strcmp(argv[1], "arm")) { + inst->arm_actuators(true); + ::exit(0); + } + + if (!std::strcmp(argv[1], "disarm")) { + inst->arm_actuators(false); + ::exit(0); } if (!std::strcmp(argv[1], "stop")) { - - delete inst; - inst = nullptr; - return OK; + delete inst; + ::exit(0); } print_usage(); diff --git a/src/modules/uavcan/uavcan_main.hpp b/src/modules/uavcan/uavcan_main.hpp index 443525379..98f2e5ad4 100644 --- a/src/modules/uavcan/uavcan_main.hpp +++ b/src/modules/uavcan/uavcan_main.hpp @@ -41,9 +41,11 @@ #include <uORB/topics/actuator_controls.h> #include <uORB/topics/actuator_outputs.h> #include <uORB/topics/actuator_armed.h> +#include <uORB/topics/test_motor.h> +#include <uORB/topics/actuator_direct.h> -#include "esc_controller.hpp" -#include "gnss_receiver.hpp" +#include "actuators/esc.hpp" +#include "sensors/sensor_bridge.hpp" /** * @file uavcan_main.hpp @@ -56,6 +58,9 @@ #define NUM_ACTUATOR_CONTROL_GROUPS_UAVCAN 4 #define UAVCAN_DEVICE_PATH "/dev/uavcan/esc" +// we add two to allow for actuator_direct and busevent +#define UAVCAN_NUM_POLL_FDS (NUM_ACTUATOR_CONTROL_GROUPS_UAVCAN+2) + /** * A UAVCAN node. */ @@ -77,12 +82,10 @@ public: static int start(uavcan::NodeID node_id, uint32_t bitrate); - Node& getNode() { return _node; } + Node& get_node() { return _node; } - static int control_callback(uintptr_t handle, - uint8_t control_group, - uint8_t control_index, - float &input); + // TODO: move the actuator mixing stuff into the ESC controller class + static int control_callback(uintptr_t handle, uint8_t control_group, uint8_t control_index, float &input); void subscribe(); @@ -94,9 +97,12 @@ public: static UavcanNode* instance() { return _instance; } private: + void fill_node_info(); int init(uavcan::NodeID node_id); void node_spin_once(); int run(); + int add_poll_fd(int fd); ///< add a fd to poll list, returning index into _poll_fds[] + int _task = -1; ///< handle to the OS task bool _task_should_exit = false; ///< flag to indicate to tear down the CAN driver @@ -104,12 +110,19 @@ private: actuator_armed_s _armed; ///< the arming request of the system bool _is_armed = false; ///< the arming status of the actuators on the bus + int _test_motor_sub = -1; ///< uORB subscription of the test_motor status + test_motor_s _test_motor; + bool _test_in_progress = false; + unsigned _output_count = 0; ///< number of actuators currently available static UavcanNode *_instance; ///< singleton pointer Node _node; ///< library instance + pthread_mutex_t _node_mutex; + UavcanEscController _esc_controller; - UavcanGnssReceiver _gnss_receiver; + + List<IUavcanSensorBridge*> _sensor_bridges; ///< List of active sensor bridges MixerGroup *_mixers = nullptr; @@ -118,6 +131,15 @@ private: int _control_subs[NUM_ACTUATOR_CONTROL_GROUPS_UAVCAN] = {}; actuator_controls_s _controls[NUM_ACTUATOR_CONTROL_GROUPS_UAVCAN] = {}; orb_id_t _control_topics[NUM_ACTUATOR_CONTROL_GROUPS_UAVCAN] = {}; - pollfd _poll_fds[NUM_ACTUATOR_CONTROL_GROUPS_UAVCAN + 1] = {}; ///< +1 for /dev/uavcan/busevent + pollfd _poll_fds[UAVCAN_NUM_POLL_FDS] = {}; unsigned _poll_fds_num = 0; + + int _actuator_direct_sub = -1; ///< uORB subscription of the actuator_direct topic + uint8_t _actuator_direct_poll_fd_num; + actuator_direct_s _actuator_direct; + + actuator_outputs_s _outputs; + + // index into _poll_fds for each _control_subs handle + uint8_t _poll_ids[NUM_ACTUATOR_CONTROL_GROUPS_UAVCAN]; }; diff --git a/src/modules/uavcan/uavcan_params.c b/src/modules/uavcan/uavcan_params.c new file mode 100644 index 000000000..e6ea8a8fb --- /dev/null +++ b/src/modules/uavcan/uavcan_params.c @@ -0,0 +1,73 @@ +/**************************************************************************** + * + * 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. + * + ****************************************************************************/ + +/** + * @author Pavel Kirienko <pavel.kirienko@gmail.com> + */ + +#include <nuttx/config.h> +#include <systemlib/param/param.h> + +/** + * Enable UAVCAN. + * + * Enables support for UAVCAN-interfaced actuators and sensors. + * + * @min 0 + * @max 1 + * @group UAVCAN + */ +PARAM_DEFINE_INT32(UAVCAN_ENABLE, 0); + +/** + * UAVCAN Node ID. + * + * Read the specs at http://uavcan.org to learn more about Node ID. + * + * @min 1 + * @max 125 + * @group UAVCAN + */ +PARAM_DEFINE_INT32(UAVCAN_NODE_ID, 1); + +/** + * UAVCAN CAN bus bitrate. + * + * @min 20000 + * @max 1000000 + * @group UAVCAN + */ +PARAM_DEFINE_INT32(UAVCAN_BITRATE, 1000000); + + + |