mirror of https://github.com/ArduPilot/ardupilot
545 lines
17 KiB
C++
545 lines
17 KiB
C++
#include <AP_HAL/AP_HAL_Boards.h>
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#if AP_DDS_ENABLED
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#include <AP_GPS/AP_GPS.h>
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#include <AP_HAL/AP_HAL.h>
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#include <AP_RTC/AP_RTC.h>
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#include <AP_SerialManager/AP_SerialManager.h>
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#include <AP_Math/AP_Math.h>
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#include <GCS_MAVLink/GCS.h>
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#include <AP_BattMonitor/AP_BattMonitor.h>
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#include "AP_DDS_Client.h"
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static constexpr uint16_t DELAY_TIME_TOPIC_MS = 10;
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static constexpr uint16_t DELAY_BATTERY_STATE_TOPIC_MS = 1000;
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static char WGS_84_FRAME_ID[] = "WGS-84";
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// https://www.ros.org/reps/rep-0105.html#base-link
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static char BASE_LINK_FRAME_ID[] = "base_link";
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AP_HAL::UARTDriver *dds_port;
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const AP_Param::GroupInfo AP_DDS_Client::var_info[]= {
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//! @todo Params go here
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AP_GROUPEND
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};
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#include "AP_DDS_Topic_Table.h"
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void AP_DDS_Client::update_topic(builtin_interfaces_msg_Time& msg)
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{
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uint64_t utc_usec;
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if (!AP::rtc().get_utc_usec(utc_usec)) {
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utc_usec = AP_HAL::micros64();
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}
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msg.sec = utc_usec / 1000000ULL;
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msg.nanosec = (utc_usec % 1000000ULL) * 1000UL;
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}
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bool AP_DDS_Client::update_topic(sensor_msgs_msg_NavSatFix& msg, const uint8_t instance)
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{
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// Add a lambda that takes in navsatfix msg and populates the cov
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// Make it constexpr if possible
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// https://www.fluentcpp.com/2021/12/13/the-evolutions-of-lambdas-in-c14-c17-and-c20/
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// constexpr auto times2 = [] (sensor_msgs_msg_NavSatFix* msg) { return n * 2; };
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// assert(instance >= GPS_MAX_RECEIVERS);
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if (instance >= GPS_MAX_RECEIVERS) {
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return false;
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}
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auto &gps = AP::gps();
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WITH_SEMAPHORE(gps.get_semaphore());
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if (!gps.is_healthy(instance)) {
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msg.status.status = -1; // STATUS_NO_FIX
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msg.status.service = 0; // No services supported
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msg.position_covariance_type = 0; // COVARIANCE_TYPE_UNKNOWN
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return false;
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}
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// No update is needed
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const auto last_fix_time_ms = gps.last_fix_time_ms(instance);
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if (last_nav_sat_fix_time_ms == last_fix_time_ms) {
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return false;
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} else {
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last_nav_sat_fix_time_ms = last_fix_time_ms;
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}
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update_topic(msg.header.stamp);
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strcpy(msg.header.frame_id, WGS_84_FRAME_ID);
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msg.status.service = 0; // SERVICE_GPS
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msg.status.status = -1; // STATUS_NO_FIX
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//! @todo What about glonass, compass, galileo?
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//! This will be properly designed and implemented to spec in #23277
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msg.status.service = 1; // SERVICE_GPS
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const auto status = gps.status(instance);
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switch (status) {
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case AP_GPS::NO_GPS:
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case AP_GPS::NO_FIX:
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msg.status.status = -1; // STATUS_NO_FIX
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msg.position_covariance_type = 0; // COVARIANCE_TYPE_UNKNOWN
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return true;
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case AP_GPS::GPS_OK_FIX_2D:
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case AP_GPS::GPS_OK_FIX_3D:
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msg.status.status = 0; // STATUS_FIX
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break;
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case AP_GPS::GPS_OK_FIX_3D_DGPS:
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msg.status.status = 1; // STATUS_SBAS_FIX
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break;
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case AP_GPS::GPS_OK_FIX_3D_RTK_FLOAT:
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case AP_GPS::GPS_OK_FIX_3D_RTK_FIXED:
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msg.status.status = 2; // STATUS_SBAS_FIX
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break;
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default:
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//! @todo Can we not just use an enum class and not worry about this condition?
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break;
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}
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const auto loc = gps.location(instance);
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msg.latitude = loc.lat * 1E-7;
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msg.longitude = loc.lng * 1E-7;
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int32_t alt_cm;
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if (!loc.get_alt_cm(Location::AltFrame::ABSOLUTE, alt_cm)) {
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// With absolute frame, this condition is unlikely
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msg.status.status = -1; // STATUS_NO_FIX
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msg.position_covariance_type = 0; // COVARIANCE_TYPE_UNKNOWN
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return true;
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}
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msg.altitude = alt_cm / 100.0;
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// ROS allows double precision, ArduPilot exposes float precision today
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Matrix3f cov;
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msg.position_covariance_type = (uint8_t)gps.position_covariance(instance, cov);
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msg.position_covariance[0] = cov[0][0];
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msg.position_covariance[1] = cov[0][1];
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msg.position_covariance[2] = cov[0][2];
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msg.position_covariance[3] = cov[1][0];
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msg.position_covariance[4] = cov[1][1];
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msg.position_covariance[5] = cov[1][2];
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msg.position_covariance[6] = cov[2][0];
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msg.position_covariance[7] = cov[2][1];
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msg.position_covariance[8] = cov[2][2];
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return true;
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}
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void AP_DDS_Client::populate_static_transforms(tf2_msgs_msg_TFMessage& msg)
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{
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msg.transforms_size = 0;
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auto &gps = AP::gps();
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for (uint8_t i = 0; i < GPS_MAX_RECEIVERS; i++) {
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const auto gps_type = gps.get_type(i);
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if (gps_type == AP_GPS::GPS_Type::GPS_TYPE_NONE) {
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continue;
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}
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update_topic(msg.transforms[i].header.stamp);
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char gps_frame_id[16];
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//! @todo should GPS frame ID's be 0 or 1 indexed in ROS?
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hal.util->snprintf(gps_frame_id, sizeof(gps_frame_id), "GPS_%u", i);
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strcpy(msg.transforms[i].header.frame_id, BASE_LINK_FRAME_ID);
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strcpy(msg.transforms[i].child_frame_id, gps_frame_id);
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// The body-frame offsets
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// X - Forward
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// Y - Right
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// Z - Down
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// https://ardupilot.org/copter/docs/common-sensor-offset-compensation.html#sensor-position-offset-compensation
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const auto offset = gps.get_antenna_offset(i);
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// In ROS REP 103, it follows this convention
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// X - Forward
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// Y - Left
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// Z - Up
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// https://www.ros.org/reps/rep-0103.html#axis-orientation
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msg.transforms[i].transform.translation.x = offset[0];
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msg.transforms[i].transform.translation.y = -1 * offset[1];
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msg.transforms[i].transform.translation.z = -1 * offset[2];
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msg.transforms_size++;
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}
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}
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void AP_DDS_Client::update_topic(sensor_msgs_msg_BatteryState& msg, const uint8_t instance)
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{
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if (instance >= AP_BATT_MONITOR_MAX_INSTANCES) {
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return;
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}
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update_topic(msg.header.stamp);
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auto &battery = AP::battery();
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if (!battery.healthy(instance))
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{
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msg.power_supply_status = 3; //POWER_SUPPLY_HEALTH_DEAD
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msg.present = false;
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return;
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}
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msg.present = true;
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msg.voltage = battery.voltage(instance);
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float temperature;
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msg.temperature = (battery.get_temperature(temperature, instance)) ? temperature : NAN;
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float current;
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msg.current = (battery.current_amps(current, instance)) ? -1 * current : NAN;
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const float design_capacity = (float)battery.pack_capacity_mah(instance)/1000.0;
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msg.design_capacity = design_capacity;
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uint8_t percentage;
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if (battery.capacity_remaining_pct(percentage, instance))
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{
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msg.percentage = percentage/100.0;
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msg.charge = (percentage * design_capacity)/100.0;
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}
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else
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{
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msg.percentage = NAN;
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msg.charge = NAN;
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}
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msg.capacity = NAN;
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if (battery.current_amps(current, instance))
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{
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if (percentage == 100) {
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msg.power_supply_status = 4; //POWER_SUPPLY_STATUS_FULL
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}
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else if (current < 0.0) {
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msg.power_supply_status = 1; //POWER_SUPPLY_STATUS_CHARGING
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}
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else if (current > 0.0) {
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msg.power_supply_status = 2; //POWER_SUPPLY_STATUS_DISCHARGING
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}
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else {
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msg.power_supply_status = 3; //POWER_SUPPLY_STATUS_NOT_CHARGING
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}
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}
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else
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{
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msg.power_supply_status = 0; //POWER_SUPPLY_STATUS_UNKNOWN
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}
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msg.power_supply_health = (battery.overpower_detected(instance)) ? 4 : 1; //POWER_SUPPLY_HEALTH_OVERVOLTAGE or POWER_SUPPLY_HEALTH_GOOD
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msg.power_supply_technology = 0; //POWER_SUPPLY_TECHNOLOGY_UNKNOWN
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if (battery.has_cell_voltages(instance))
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{
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const uint16_t* cellVoltages = battery.get_cell_voltages(instance).cells;
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std::copy(cellVoltages, cellVoltages + AP_BATT_MONITOR_CELLS_MAX, msg.cell_voltage);
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}
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}
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/*
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class constructor
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*/
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AP_DDS_Client::AP_DDS_Client(void)
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{
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if (!hal.scheduler->thread_create(FUNCTOR_BIND_MEMBER(&AP_DDS_Client::main_loop, void),
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"DDS",
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8192, AP_HAL::Scheduler::PRIORITY_IO, 1)) {
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GCS_SEND_TEXT(MAV_SEVERITY_ERROR,"DDS Client: thread create failed");
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}
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}
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/*
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main loop for DDS thread
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*/
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void AP_DDS_Client::main_loop(void)
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{
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if (!init() || !create()) {
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GCS_SEND_TEXT(MAV_SEVERITY_ERROR,"DDS Client: Creation Requests failed");
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return;
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}
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GCS_SEND_TEXT(MAV_SEVERITY_INFO,"DDS Client: Initialization passed");
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populate_static_transforms(static_transforms_topic);
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write_static_transforms();
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while (true) {
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hal.scheduler->delay(1);
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update();
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}
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}
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bool AP_DDS_Client::init()
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{
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AP_SerialManager *serial_manager = AP_SerialManager::get_singleton();
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dds_port = serial_manager->find_serial(AP_SerialManager::SerialProtocol_DDS_XRCE, 0);
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if (dds_port == nullptr) {
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return false;
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}
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// ensure we own the UART
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dds_port->begin(0);
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constexpr uint8_t fd = 0;
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constexpr uint8_t relativeSerialAgentAddr = 0;
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constexpr uint8_t relativeSerialClientAddr = 1;
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if (!uxr_init_serial_transport(&serial_transport,fd,relativeSerialAgentAddr,relativeSerialClientAddr)) {
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return false;
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}
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constexpr uint32_t uniqueClientKey = 0xAAAABBBB;
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//TODO does this need to be inside the loop to handle reconnect?
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uxr_init_session(&session, &serial_transport.comm, uniqueClientKey);
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while (!uxr_create_session(&session)) {
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GCS_SEND_TEXT(MAV_SEVERITY_INFO,"DDS Client: Initialization waiting...");
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hal.scheduler->delay(1000);
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}
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reliable_in = uxr_create_input_reliable_stream(&session,input_reliable_stream,BUFFER_SIZE_SERIAL,STREAM_HISTORY);
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reliable_out = uxr_create_output_reliable_stream(&session,output_reliable_stream,BUFFER_SIZE_SERIAL,STREAM_HISTORY);
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GCS_SEND_TEXT(MAV_SEVERITY_INFO,"DDS Client: Init Complete");
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return true;
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}
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bool AP_DDS_Client::create()
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{
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WITH_SEMAPHORE(csem);
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// Participant
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const uxrObjectId participant_id = {
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.id = 0x01,
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.type = UXR_PARTICIPANT_ID
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};
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const char* participant_ref = "participant_profile";
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const auto participant_req_id = uxr_buffer_create_participant_ref(&session, reliable_out, participant_id,0,participant_ref,UXR_REPLACE);
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//Participant requests
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constexpr uint8_t nRequestsParticipant = 1;
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const uint16_t requestsParticipant[nRequestsParticipant] = {participant_req_id};
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constexpr int maxTimeMsPerRequestMs = 250;
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constexpr int requestTimeoutParticipantMs = nRequestsParticipant * maxTimeMsPerRequestMs;
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uint8_t statusParticipant[nRequestsParticipant];
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if (!uxr_run_session_until_all_status(&session, requestTimeoutParticipantMs, requestsParticipant, statusParticipant, nRequestsParticipant)) {
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GCS_SEND_TEXT(MAV_SEVERITY_ERROR,"XRCE Client: Participant session request failure");
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// TODO add a failure log message sharing the status results
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return false;
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}
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for (size_t i = 0 ; i < ARRAY_SIZE(topics); i++) {
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// Topic
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const uxrObjectId topic_id = {
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.id = topics[i].topic_id,
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.type = UXR_TOPIC_ID
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};
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const char* topic_ref = topics[i].topic_profile_label;
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const auto topic_req_id = uxr_buffer_create_topic_ref(&session,reliable_out,topic_id,participant_id,topic_ref,UXR_REPLACE);
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// Publisher
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const uxrObjectId pub_id = {
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.id = topics[i].pub_id,
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.type = UXR_PUBLISHER_ID
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};
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const char* pub_xml = "";
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const auto pub_req_id = uxr_buffer_create_publisher_xml(&session,reliable_out,pub_id,participant_id,pub_xml,UXR_REPLACE);
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// Data Writer
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const char* data_writer_ref = topics[i].dw_profile_label;
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const auto dwriter_req_id = uxr_buffer_create_datawriter_ref(&session,reliable_out,topics[i].dw_id,pub_id,data_writer_ref,UXR_REPLACE);
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// Status requests
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constexpr uint8_t nRequests = 3;
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const uint16_t requests[nRequests] = {topic_req_id, pub_req_id, dwriter_req_id};
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constexpr int requestTimeoutMs = nRequests * maxTimeMsPerRequestMs;
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uint8_t status[nRequests];
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if (!uxr_run_session_until_all_status(&session, requestTimeoutMs, requests, status, nRequests)) {
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GCS_SEND_TEXT(MAV_SEVERITY_ERROR,"XRCE Client: Topic/Pub/Writer session request failure for index 'TODO'");
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for (int s = 0 ; s < nRequests; s++) {
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GCS_SEND_TEXT(MAV_SEVERITY_ERROR,"XRCE Client: Status '%d' result '%u'", s, status[s]);
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}
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// TODO add a failure log message sharing the status results
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return false;
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} else {
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GCS_SEND_TEXT(MAV_SEVERITY_INFO,"XRCE Client: Topic/Pub/Writer session pass for index 'TOOO'");
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}
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}
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return true;
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}
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void AP_DDS_Client::write_time_topic()
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{
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WITH_SEMAPHORE(csem);
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if (connected) {
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ucdrBuffer ub;
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const uint32_t topic_size = builtin_interfaces_msg_Time_size_of_topic(&time_topic, 0);
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uxr_prepare_output_stream(&session,reliable_out,topics[0].dw_id,&ub,topic_size);
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const bool success = builtin_interfaces_msg_Time_serialize_topic(&ub, &time_topic);
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if (!success) {
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// TODO sometimes serialization fails on bootup. Determine why.
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// AP_HAL::panic("FATAL: XRCE_Client failed to serialize\n");
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}
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}
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}
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void AP_DDS_Client::write_nav_sat_fix_topic()
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{
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WITH_SEMAPHORE(csem);
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if (connected) {
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ucdrBuffer ub;
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const uint32_t topic_size = sensor_msgs_msg_NavSatFix_size_of_topic(&nav_sat_fix_topic, 0);
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uxr_prepare_output_stream(&session,reliable_out,topics[1].dw_id,&ub,topic_size);
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const bool success = sensor_msgs_msg_NavSatFix_serialize_topic(&ub, &nav_sat_fix_topic);
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if (!success) {
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// TODO sometimes serialization fails on bootup. Determine why.
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// AP_HAL::panic("FATAL: DDS_Client failed to serialize\n");
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}
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}
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}
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void AP_DDS_Client::write_static_transforms()
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{
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WITH_SEMAPHORE(csem);
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if (connected) {
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ucdrBuffer ub;
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const uint32_t topic_size = tf2_msgs_msg_TFMessage_size_of_topic(&static_transforms_topic, 0);
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uxr_prepare_output_stream(&session,reliable_out,topics[2].dw_id,&ub,topic_size);
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const bool success = tf2_msgs_msg_TFMessage_serialize_topic(&ub, &static_transforms_topic);
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if (!success) {
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// TODO sometimes serialization fails on bootup. Determine why.
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// AP_HAL::panic("FATAL: DDS_Client failed to serialize\n");
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}
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}
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}
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void AP_DDS_Client::write_battery_state_topic()
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{
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WITH_SEMAPHORE(csem);
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if (connected) {
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ucdrBuffer ub;
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const uint32_t topic_size = sensor_msgs_msg_BatteryState_size_of_topic(&battery_state_topic, 0);
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uxr_prepare_output_stream(&session,reliable_out,topics[3].dw_id,&ub,topic_size);
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const bool success = sensor_msgs_msg_BatteryState_serialize_topic(&ub, &battery_state_topic);
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if (!success) {
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// TODO sometimes serialization fails on bootup. Determine why.
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// AP_HAL::panic("FATAL: DDS_Client failed to serialize\n");
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}
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}
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}
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void AP_DDS_Client::update()
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{
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WITH_SEMAPHORE(csem);
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const auto cur_time_ms = AP_HAL::millis64();
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if (cur_time_ms - last_time_time_ms > DELAY_TIME_TOPIC_MS) {
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update_topic(time_topic);
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last_time_time_ms = cur_time_ms;
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write_time_topic();
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}
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constexpr uint8_t gps_instance = 0;
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|
if (update_topic(nav_sat_fix_topic, gps_instance)) {
|
|
write_nav_sat_fix_topic();
|
|
}
|
|
|
|
|
|
|
|
if (cur_time_ms - last_battery_state_time_ms > DELAY_BATTERY_STATE_TOPIC_MS) {
|
|
constexpr uint8_t battery_instance = 0;
|
|
update_topic(battery_state_topic, battery_instance);
|
|
last_battery_state_time_ms = cur_time_ms;
|
|
write_battery_state_topic();
|
|
}
|
|
|
|
connected = uxr_run_session_time(&session, 1);
|
|
}
|
|
|
|
/*
|
|
implement C functions for serial transport
|
|
*/
|
|
extern "C" {
|
|
#include <uxr/client/profile/transport/serial/serial_transport_platform.h>
|
|
}
|
|
|
|
bool uxr_init_serial_platform(void* args, int fd, uint8_t remote_addr, uint8_t local_addr)
|
|
{
|
|
//! @todo Add error reporting
|
|
return true;
|
|
}
|
|
|
|
bool uxr_close_serial_platform(void* args)
|
|
{
|
|
//! @todo Add error reporting
|
|
return true;
|
|
}
|
|
|
|
size_t uxr_write_serial_data_platform(void* args, const uint8_t* buf, size_t len, uint8_t* errcode)
|
|
{
|
|
if (dds_port == nullptr) {
|
|
*errcode = 1;
|
|
return 0;
|
|
}
|
|
ssize_t bytes_written = dds_port->write(buf, len);
|
|
if (bytes_written <= 0) {
|
|
*errcode = 1;
|
|
return 0;
|
|
}
|
|
//! @todo Add populate the error code correctly
|
|
*errcode = 0;
|
|
return bytes_written;
|
|
}
|
|
|
|
size_t uxr_read_serial_data_platform(void* args, uint8_t* buf, size_t len, int timeout, uint8_t* errcode)
|
|
{
|
|
if (dds_port == nullptr) {
|
|
*errcode = 1;
|
|
return 0;
|
|
}
|
|
while (timeout > 0 && dds_port->available() < len) {
|
|
hal.scheduler->delay(1); // TODO select or poll this is limiting speed (1mS)
|
|
timeout--;
|
|
}
|
|
ssize_t bytes_read = dds_port->read(buf, len);
|
|
if (bytes_read <= 0) {
|
|
*errcode = 1;
|
|
return 0;
|
|
}
|
|
//! @todo Add error reporting
|
|
*errcode = 0;
|
|
return bytes_read;
|
|
}
|
|
|
|
#if CONFIG_HAL_BOARD != HAL_BOARD_SITL
|
|
extern "C" {
|
|
int clock_gettime(clockid_t clockid, struct timespec *ts);
|
|
}
|
|
|
|
int clock_gettime(clockid_t clockid, struct timespec *ts)
|
|
{
|
|
//! @todo the value of clockid is ignored here.
|
|
//! A fallback mechanism is employed against the caller's choice of clock.
|
|
uint64_t utc_usec;
|
|
if (!AP::rtc().get_utc_usec(utc_usec)) {
|
|
utc_usec = AP_HAL::micros64();
|
|
}
|
|
ts->tv_sec = utc_usec / 1000000ULL;
|
|
ts->tv_nsec = (utc_usec % 1000000ULL) * 1000UL;
|
|
return 0;
|
|
}
|
|
#endif // CONFIG_HAL_BOARD
|
|
|
|
#endif // AP_DDS_ENABLED
|
|
|
|
|