mirror of https://github.com/ArduPilot/ardupilot
1078 lines
45 KiB
C++
1078 lines
45 KiB
C++
/*
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "AP_Torqeedo_TQBus.h"
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#if HAL_TORQEEDO_ENABLED
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#include <AP_Common/AP_Common.h>
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#include <AP_Math/AP_Math.h>
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#include <SRV_Channel/SRV_Channel.h>
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#include <AP_Logger/AP_Logger.h>
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#include <GCS_MAVLink/GCS.h>
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#include <AP_SerialManager/AP_SerialManager.h>
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#include <AP_ESC_Telem/AP_ESC_Telem_Backend.h>
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#define TORQEEDO_SERIAL_BAUD 19200 // communication is always at 19200
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#define TORQEEDO_PACKET_HEADER 0xAC // communication packet header
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#define TORQEEDO_PACKET_FOOTER 0xAD // communication packet footer
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#define TORQEEDO_PACKET_ESCAPE 0xAE // escape character for handling occurrences of header, footer and this escape bytes in original message
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#define TORQEEDO_PACKET_ESCAPE_MASK 0x80 // byte after ESCAPE character should be XOR'd with this value
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#define TORQEEDO_LOG_TRQD_INTERVAL_MS 5000// log TRQD message at this interval in milliseconds
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#define TORQEEDO_SEND_MOTOR_SPEED_INTERVAL_MS 100 // motor speed sent at 10hz if connected to motor
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#define TORQEEDO_SEND_MOTOR_STATUS_REQUEST_INTERVAL_MS 400 // motor status requested every 0.4sec if connected to motor
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#define TORQEEDO_SEND_MOTOR_PARAM_REQUEST_INTERVAL_MS 400 // motor param requested every 0.4sec if connected to motor
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#define TORQEEDO_BATT_TIMEOUT_MS 5000 // battery info timeouts after 5 seconds
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#define TORQEEDO_REPLY_TIMEOUT_MS 25 // stop waiting for replies after 25ms
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#define TORQEEDO_ERROR_REPORT_INTERVAL_MAX_MS 10000 // errors reported to user at no less than once every 10 seconds
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extern const AP_HAL::HAL& hal;
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// initialise driver
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void AP_Torqeedo_TQBus::init()
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{
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// only init once
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// Note: a race condition exists here if init is called multiple times quickly before thread_main has a chance to set _initialise
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if (_initialised) {
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return;
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}
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// create background thread to process serial input and output
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char thread_name[15];
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hal.util->snprintf(thread_name, sizeof(thread_name), "torqeedo%u", (unsigned)_instance);
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if (!hal.scheduler->thread_create(FUNCTOR_BIND_MEMBER(&AP_Torqeedo_TQBus::thread_main, void), thread_name, 2048, AP_HAL::Scheduler::PRIORITY_RCOUT, 1)) {
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return;
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}
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}
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// returns true if communicating with the motor
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bool AP_Torqeedo_TQBus::healthy()
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{
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if (!_initialised) {
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return false;
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}
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{
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// healthy if both receive and send have occurred in the last 3 seconds
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WITH_SEMAPHORE(_last_healthy_sem);
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const uint32_t now_ms = AP_HAL::millis();
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return ((now_ms - _last_received_ms < 3000) && (now_ms - _last_send_motor_ms < 3000));
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}
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}
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// initialise serial port and gpio pins (run from background thread)
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bool AP_Torqeedo_TQBus::init_internals()
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{
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// find serial driver and initialise
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const AP_SerialManager &serial_manager = AP::serialmanager();
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_uart = serial_manager.find_serial(AP_SerialManager::SerialProtocol_Torqeedo, _instance);
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if (_uart == nullptr) {
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return false;
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}
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_uart->begin(TORQEEDO_SERIAL_BAUD);
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_uart->set_flow_control(AP_HAL::UARTDriver::FLOW_CONTROL_DISABLE);
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_uart->set_unbuffered_writes(true);
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// if using tiller connection set on/off pin for 0.5 sec to turn on battery
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if (get_type() == AP_Torqeedo::ConnectionType::TYPE_TILLER) {
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if (_params.pin_onoff > -1) {
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hal.gpio->pinMode(_params.pin_onoff, HAL_GPIO_OUTPUT);
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hal.gpio->write(_params.pin_onoff, 1);
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hal.scheduler->delay(500);
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hal.gpio->write(_params.pin_onoff, 0);
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} else {
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// use serial port's RTS pin to turn on battery
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_uart->set_RTS_pin(true);
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hal.scheduler->delay(500);
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_uart->set_RTS_pin(false);
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}
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}
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// initialise RS485 DE pin (when high, allows send to motor)
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if (_params.pin_de > -1) {
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hal.gpio->pinMode(_params.pin_de, HAL_GPIO_OUTPUT);
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hal.gpio->write(_params.pin_de, 0);
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} else {
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_uart->set_CTS_pin(false);
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}
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return true;
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}
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// consume incoming messages from motor, reply with latest motor speed
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// runs in background thread
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void AP_Torqeedo_TQBus::thread_main()
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{
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// initialisation
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if (!init_internals()) {
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return;
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}
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_initialised = true;
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while (true) {
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// 1ms loop delay
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hal.scheduler->delay_microseconds(1000);
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// check if transmit pin should be unset
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check_for_send_end();
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// check for timeout waiting for reply
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check_for_reply_timeout();
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// parse incoming characters
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uint32_t nbytes = MIN(_uart->available(), 1024U);
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while (nbytes-- > 0) {
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int16_t b = _uart->read();
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if (b >= 0 ) {
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if (parse_byte((uint8_t)b)) {
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// complete message received, parse it!
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parse_message();
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// clear wait-for-reply because if we are waiting for a reply, this message must be it
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set_reply_received();
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}
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}
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}
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// send motor speed
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bool log_update = false;
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if (safe_to_send()) {
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uint32_t now_ms = AP_HAL::millis();
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// if connected to motor
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if (get_type() == AP_Torqeedo::ConnectionType::TYPE_MOTOR) {
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if (now_ms - _last_send_motor_ms > TORQEEDO_SEND_MOTOR_SPEED_INTERVAL_MS) {
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// send motor speed every 0.1sec
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_send_motor_speed = true;
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} else if (now_ms - _last_send_motor_status_request_ms > TORQEEDO_SEND_MOTOR_STATUS_REQUEST_INTERVAL_MS) {
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// send request for motor status
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send_motor_msg_request(MotorMsgId::STATUS);
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_last_send_motor_status_request_ms = now_ms;
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} else if (now_ms - _last_send_motor_param_request_ms > TORQEEDO_SEND_MOTOR_PARAM_REQUEST_INTERVAL_MS) {
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// send request for motor params
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send_motor_msg_request(MotorMsgId::PARAM);
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_last_send_motor_param_request_ms = now_ms;
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}
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}
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// send motor speed
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if (_send_motor_speed) {
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send_motor_speed_cmd();
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_send_motor_speed = false;
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log_update = true;
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}
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}
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// log high level status and motor speed
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log_TRQD(log_update);
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}
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}
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// returns a human-readable string corresponding the passed-in
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// master error code (see page 93 of https://media.torqeedo.com/downloads/manuals/torqeedo-Travel-manual-DE-EN.pdf)
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// If no conversion is available then nullptr is returned
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const char * AP_Torqeedo_TQBus::map_master_error_code_to_string(uint8_t code) const
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{
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switch (code) {
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case 2:
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return "stator high temp";
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case 5:
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return "propeller blocked";
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case 6:
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return "motor low voltage";
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case 7:
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return "motor high current";
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case 8:
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return "pcb temp high";
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case 21:
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return "tiller cal bad";
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case 22:
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return "mag bad";
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case 23:
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return "range incorrect";
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case 30:
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return "motor comm error";
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case 32:
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return "tiller comm error";
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case 33:
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return "general comm error";
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case 41:
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case 42:
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return "charge voltage bad";
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case 43:
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return "battery flat";
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case 45:
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return "battery high current";
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case 46:
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return "battery temp error";
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case 48:
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return "charging temp error";
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}
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return nullptr;
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}
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// report changes in error codes to user
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void AP_Torqeedo_TQBus::report_error_codes()
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{
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// skip reporting if we have already reported status very recently
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const uint32_t now_ms = AP_HAL::millis();
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// skip reporting if no changes in flags and already reported within 10 seconds
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const bool flags_changed = (_display_system_state_flags_prev.value != _display_system_state.flags.value) ||
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(_display_system_state_master_error_code_prev != _display_system_state.master_error_code) ||
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(_motor_status_prev.status_flags_value != _motor_status.status_flags_value) ||
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(_motor_status_prev.error_flags_value != _motor_status.error_flags_value);
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if (!flags_changed && ((now_ms - _last_error_report_ms) < TORQEEDO_ERROR_REPORT_INTERVAL_MAX_MS)) {
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return;
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}
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// report display system errors
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const char* msg_prefix = "Torqeedo:";
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(void)msg_prefix; // sometimes unused when HAL_GCS_ENABLED is false
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if (_display_system_state.flags.set_throttle_stop) {
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GCS_SEND_TEXT(MAV_SEVERITY_CRITICAL, "%s zero throttle required", msg_prefix);
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}
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if (_display_system_state.flags.temp_warning) {
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GCS_SEND_TEXT(MAV_SEVERITY_CRITICAL, "%s high temp", msg_prefix);
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}
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if (_display_system_state.flags.batt_nearly_empty) {
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GCS_SEND_TEXT(MAV_SEVERITY_CRITICAL, "%s batt nearly empty", msg_prefix);
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}
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if (_display_system_state.master_error_code > 0) {
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const char *error_string = map_master_error_code_to_string(_display_system_state.master_error_code);
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if (error_string != nullptr) {
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GCS_SEND_TEXT(
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MAV_SEVERITY_CRITICAL, "%s err:%u %s",
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msg_prefix,
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_display_system_state.master_error_code,
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error_string);
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} else {
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GCS_SEND_TEXT(
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MAV_SEVERITY_CRITICAL, "%s err:%u",
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msg_prefix,
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_display_system_state.master_error_code);
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}
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}
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// report motor status errors
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if (_motor_status.error_flags.overcurrent) {
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GCS_SEND_TEXT(MAV_SEVERITY_CRITICAL, "%s overcurrent", msg_prefix);
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}
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if (_motor_status.error_flags.blocked) {
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GCS_SEND_TEXT(MAV_SEVERITY_CRITICAL, "%s prop blocked", msg_prefix);
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}
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if (_motor_status.error_flags.overvoltage_static || _motor_status.error_flags.overvoltage_current) {
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GCS_SEND_TEXT(MAV_SEVERITY_CRITICAL, "%s high voltage", msg_prefix);
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}
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if (_motor_status.error_flags.undervoltage_static || _motor_status.error_flags.undervoltage_current) {
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GCS_SEND_TEXT(MAV_SEVERITY_CRITICAL, "%s low voltage", msg_prefix);
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}
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if (_motor_status.error_flags.overtemp_motor || _motor_status.error_flags.overtemp_pcb) {
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GCS_SEND_TEXT(MAV_SEVERITY_CRITICAL, "%s high temp", msg_prefix);
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}
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if (_motor_status.error_flags.timeout_rs485) {
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GCS_SEND_TEXT(MAV_SEVERITY_CRITICAL, "%s comm timeout", msg_prefix);
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}
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if (_motor_status.error_flags.temp_sensor_error) {
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GCS_SEND_TEXT(MAV_SEVERITY_CRITICAL, "%s temp sensor err", msg_prefix);
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}
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if (_motor_status.error_flags.tilt) {
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GCS_SEND_TEXT(MAV_SEVERITY_CRITICAL, "%s tilted", msg_prefix);
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}
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// display OK if all errors cleared
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const bool prev_errored = (_display_system_state_flags_prev.value != 0) ||
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(_display_system_state_master_error_code_prev != 0) ||
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(_motor_status_prev.error_flags_value != 0);
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const bool now_errored = (_display_system_state.flags.value != 0) ||
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(_display_system_state.master_error_code != 0) ||
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(_motor_status.error_flags_value != 0);
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if (!now_errored && prev_errored) {
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GCS_SEND_TEXT(MAV_SEVERITY_INFO, "%s OK", msg_prefix);
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}
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// record change in state and reporting time
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_display_system_state_flags_prev.value = _display_system_state.flags.value;
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_display_system_state_master_error_code_prev = _display_system_state.master_error_code;
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_motor_status_prev = _motor_status;
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_last_error_report_ms = now_ms;
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}
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// get latest battery status info. returns true on success and populates arguments
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bool AP_Torqeedo_TQBus::get_batt_info(float &voltage, float ¤t_amps, float &temp_C, uint8_t &pct_remaining) const
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{
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// use battery info from display_system_state if available (tiller connection)
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if ((AP_HAL::millis() - _display_system_state.last_update_ms) <= TORQEEDO_BATT_TIMEOUT_MS) {
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voltage = _display_system_state.batt_voltage;
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current_amps = _display_system_state.batt_current;
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temp_C = MAX(_display_system_state.temp_sw, _display_system_state.temp_rp);
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pct_remaining = _display_system_state.batt_charge_pct;
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return true;
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}
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// use battery info from motor_param if available (motor connection)
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if ((AP_HAL::millis() - _motor_param.last_update_ms) <= TORQEEDO_BATT_TIMEOUT_MS) {
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voltage = _motor_param.voltage;
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current_amps = _motor_param.current;
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temp_C = MAX(_motor_param.pcb_temp, _motor_param.stator_temp);
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pct_remaining = 0; // motor does not know percent remaining
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return true;
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}
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return false;
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}
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// get battery capacity. returns true on success and populates argument
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bool AP_Torqeedo_TQBus::get_batt_capacity_Ah(uint16_t &_hours) const
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{
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if (_display_system_setup.batt_capacity == 0) {
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return false;
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}
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amp_hours = _display_system_setup.batt_capacity;
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return true;
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}
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// process a single byte received on serial port
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// return true if a complete message has been received (the message will be held in _received_buff)
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bool AP_Torqeedo_TQBus::parse_byte(uint8_t b)
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{
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bool complete_msg_received = false;
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switch (_parse_state) {
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case ParseState::WAITING_FOR_HEADER:
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if (b == TORQEEDO_PACKET_HEADER) {
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_parse_state = ParseState::WAITING_FOR_FOOTER;
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}
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_received_buff_len = 0;
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_parse_escape_received = false;
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break;
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case ParseState::WAITING_FOR_FOOTER:
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if (b == TORQEEDO_PACKET_FOOTER) {
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_parse_state = ParseState::WAITING_FOR_HEADER;
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// check message length
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if (_received_buff_len == 0) {
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_parse_error_count++;
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break;
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}
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// check crc
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const uint8_t crc_expected = crc8_maxim(_received_buff, _received_buff_len-1);
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if (_received_buff[_received_buff_len-1] != crc_expected) {
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_parse_error_count++;
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break;
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}
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_parse_success_count++;
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{
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// record time of successful receive for health reporting
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WITH_SEMAPHORE(_last_healthy_sem);
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_last_received_ms = AP_HAL::millis();
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}
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complete_msg_received = true;
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} else {
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// escape character handling
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if (_parse_escape_received) {
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b ^= TORQEEDO_PACKET_ESCAPE_MASK;
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_parse_escape_received = false;
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} else if (b == TORQEEDO_PACKET_ESCAPE) {
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// escape character received, record this and ignore this byte
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_parse_escape_received = true;
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break;
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}
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// add to buffer
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_received_buff[_received_buff_len] = b;
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_received_buff_len++;
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if (_received_buff_len > TORQEEDO_MESSAGE_LEN_MAX) {
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// message too long
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_parse_state = ParseState::WAITING_FOR_HEADER;
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_parse_error_count++;
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}
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}
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break;
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}
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return complete_msg_received;
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}
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// process message held in _received_buff
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void AP_Torqeedo_TQBus::parse_message()
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{
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// message address (i.e. target of message)
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const MsgAddress msg_addr = (MsgAddress)_received_buff[0];
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// handle messages sent to "remote" (aka tiller)
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if ((get_type() == AP_Torqeedo::ConnectionType::TYPE_TILLER) && (msg_addr == MsgAddress::REMOTE1)) {
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RemoteMsgId msg_id = (RemoteMsgId)_received_buff[1];
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if (msg_id == RemoteMsgId::REMOTE) {
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// request received to send updated motor speed
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_send_motor_speed = true;
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}
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return;
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}
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// handle messages sent to Display
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if ((get_type() == AP_Torqeedo::ConnectionType::TYPE_TILLER) && (msg_addr == MsgAddress::DISPLAY)) {
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DisplayMsgId msg_id = (DisplayMsgId)_received_buff[1];
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switch (msg_id) {
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case DisplayMsgId::SYSTEM_STATE :
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if (_received_buff_len == 30) {
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// fill in _display_system_state
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_display_system_state.flags.value = UINT16_VALUE(_received_buff[2], _received_buff[3]);
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_display_system_state.master_state = _received_buff[4]; // deprecated
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_display_system_state.master_error_code = _received_buff[5];
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_display_system_state.motor_voltage = UINT16_VALUE(_received_buff[6], _received_buff[7]) * 0.01;
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_display_system_state.motor_current = UINT16_VALUE(_received_buff[8], _received_buff[9]) * 0.1;
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_display_system_state.motor_power = UINT16_VALUE(_received_buff[10], _received_buff[11]);
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_display_system_state.motor_rpm = (int16_t)UINT16_VALUE(_received_buff[12], _received_buff[13]);
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_display_system_state.motor_pcb_temp = _received_buff[14];
|
|
_display_system_state.motor_stator_temp = _received_buff[15];
|
|
_display_system_state.batt_charge_pct = _received_buff[16];
|
|
_display_system_state.batt_voltage = UINT16_VALUE(_received_buff[17], _received_buff[18]) * 0.01;
|
|
_display_system_state.batt_current = UINT16_VALUE(_received_buff[19], _received_buff[20]) * 0.1;
|
|
_display_system_state.gps_speed = UINT16_VALUE(_received_buff[21], _received_buff[22]);
|
|
_display_system_state.range_miles = UINT16_VALUE(_received_buff[23], _received_buff[24]);
|
|
_display_system_state.range_minutes = UINT16_VALUE(_received_buff[25], _received_buff[26]);
|
|
_display_system_state.temp_sw = _received_buff[27];
|
|
_display_system_state.temp_rp = _received_buff[28];
|
|
_display_system_state.last_update_ms = AP_HAL::millis();
|
|
|
|
// update esc telem sent to ground station
|
|
const uint8_t esc_temp = MAX(_display_system_state.temp_sw, _display_system_state.temp_rp);
|
|
const uint8_t motor_temp = MAX(_display_system_state.motor_pcb_temp, _display_system_state.motor_stator_temp);
|
|
update_esc_telem(_display_system_state.motor_rpm,
|
|
_display_system_state.motor_voltage,
|
|
_display_system_state.motor_current,
|
|
esc_temp,
|
|
motor_temp);
|
|
|
|
#if HAL_LOGGING_ENABLED
|
|
// log data
|
|
if (option_enabled(AP_Torqeedo::options::LOG)) {
|
|
// @LoggerMessage: TRST
|
|
// @Description: Torqeedo System State
|
|
// @Field: TimeUS: Time since system startup
|
|
// @Field: I: instance
|
|
// @Field: F: Flags bitmask
|
|
// @Field: Err: Master error code
|
|
// @Field: MVolt: Motor voltage
|
|
// @Field: MCur: Motor current
|
|
// @Field: Pow: Motor power
|
|
// @Field: RPM: Motor RPM
|
|
// @Field: MTemp: Motor Temp (higher of pcb or stator)
|
|
// @Field: BPct: Battery charge percentage
|
|
// @Field: BVolt: Battery voltage
|
|
// @Field: BCur: Battery current
|
|
AP::logger().Write("TRST", "TimeUS,I,F,Err,MVolt,MCur,Pow,RPM,MTemp,BPct,BVolt,BCur",
|
|
"s#--vAWqO%vA", // units
|
|
"F---00000000", // multipliers
|
|
"QBHBffHhBBff", // formats
|
|
AP_HAL::micros64(),
|
|
_instance,
|
|
_display_system_state.flags.value,
|
|
_display_system_state.master_error_code,
|
|
_display_system_state.motor_voltage,
|
|
_display_system_state.motor_current,
|
|
_display_system_state.motor_power,
|
|
_display_system_state.motor_rpm,
|
|
motor_temp,
|
|
_display_system_state.batt_charge_pct,
|
|
_display_system_state.batt_voltage,
|
|
_display_system_state.batt_current);
|
|
}
|
|
#endif
|
|
|
|
// send to GCS
|
|
if (option_enabled(AP_Torqeedo::options::DEBUG_TO_GCS)) {
|
|
GCS_SEND_TEXT(MAV_SEVERITY_INFO,"TRST i:%u, F:%u Err:%u MV:%4.1f MC:%4.1f P:%u MT:%d B%%:%d BV:%4.1f BC:%4.1f",
|
|
(unsigned)_instance,
|
|
(unsigned)_display_system_state.flags.value,
|
|
(unsigned)_display_system_state.master_error_code,
|
|
(double)_display_system_state.motor_voltage,
|
|
(double)_display_system_state.motor_current,
|
|
(unsigned)_display_system_state.motor_power,
|
|
(int)motor_temp,
|
|
(unsigned)_display_system_state.batt_charge_pct,
|
|
(double)_display_system_state.batt_voltage,
|
|
(double)_display_system_state.batt_current);
|
|
}
|
|
|
|
// report any errors
|
|
report_error_codes();
|
|
} else {
|
|
// unexpected length
|
|
_parse_error_count++;
|
|
}
|
|
break;
|
|
case DisplayMsgId::SYSTEM_SETUP:
|
|
if (_received_buff_len == 13) {
|
|
// fill in display system setup
|
|
_display_system_setup.flags = _received_buff[2];
|
|
_display_system_setup.motor_type = _received_buff[3];
|
|
_display_system_setup.motor_sw_version = UINT16_VALUE(_received_buff[4], _received_buff[5]);
|
|
_display_system_setup.batt_capacity = UINT16_VALUE(_received_buff[6], _received_buff[7]);
|
|
_display_system_setup.batt_charge_pct = _received_buff[8];
|
|
_display_system_setup.batt_type = _received_buff[9];
|
|
_display_system_setup.master_sw_version = UINT16_VALUE(_received_buff[10], _received_buff[11]);
|
|
|
|
#if HAL_LOGGING_ENABLED
|
|
// log data
|
|
if (option_enabled(AP_Torqeedo::options::LOG)) {
|
|
// @LoggerMessage: TRSE
|
|
// @Description: Torqeedo System Setup
|
|
// @Field: TimeUS: Time since system startup
|
|
// @Field: I: instance
|
|
// @Field: Flag: Flags
|
|
// @Field: MotType: Motor type
|
|
// @Field: MotVer: Motor software version
|
|
// @Field: BattCap: Battery capacity
|
|
// @Field: BattPct: Battery charge percentage
|
|
// @Field: BattType: Battery type
|
|
// @Field: SwVer: Master software version
|
|
AP::logger().Write("TRSE", "TimeUS,I,Flag,MotType,MotVer,BattCap,BattPct,BattType,SwVer",
|
|
"s#---a%--", // units
|
|
"F----00--", // multipliers
|
|
"QBBBHHBBH", // formats
|
|
AP_HAL::micros64(),
|
|
_instance,
|
|
_display_system_setup.flags,
|
|
_display_system_setup.motor_type,
|
|
_display_system_setup.motor_sw_version,
|
|
_display_system_setup.batt_capacity,
|
|
_display_system_setup.batt_charge_pct,
|
|
_display_system_setup.batt_type,
|
|
_display_system_setup.master_sw_version);
|
|
}
|
|
#endif
|
|
|
|
// send to GCS
|
|
if (option_enabled(AP_Torqeedo::options::DEBUG_TO_GCS)) {
|
|
GCS_SEND_TEXT(MAV_SEVERITY_INFO,"TRSE i:%u v:%u F:%u Mot:%u/%u Bat:%u/%u/%u%%",
|
|
(unsigned)_instance,
|
|
(unsigned)_display_system_setup.master_sw_version,
|
|
(unsigned)_display_system_setup.flags,
|
|
(unsigned)_display_system_setup.motor_type,
|
|
(unsigned)_display_system_setup.motor_sw_version,
|
|
(unsigned)_display_system_setup.batt_type,
|
|
(unsigned)_display_system_setup.batt_capacity,
|
|
(unsigned)_display_system_setup.batt_charge_pct);
|
|
}
|
|
} else {
|
|
// unexpected length
|
|
_parse_error_count++;
|
|
}
|
|
break;
|
|
default:
|
|
// ignore message
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
// handle reply from motor
|
|
if ((get_type() == AP_Torqeedo::ConnectionType::TYPE_MOTOR) && (msg_addr == MsgAddress::BUS_MASTER)) {
|
|
// replies strangely do not return the msgid so we must have stored it
|
|
MotorMsgId msg_id = (MotorMsgId)_reply_msgid;
|
|
switch (msg_id) {
|
|
|
|
case MotorMsgId::PARAM:
|
|
if (_received_buff_len == 15) {
|
|
_motor_param.rpm = (int16_t)UINT16_VALUE(_received_buff[2], _received_buff[3]);
|
|
_motor_param.power = UINT16_VALUE(_received_buff[4], _received_buff[5]);
|
|
_motor_param.voltage = UINT16_VALUE(_received_buff[6], _received_buff[7]) * 0.01;
|
|
_motor_param.current = UINT16_VALUE(_received_buff[8], _received_buff[9]) * 0.1;
|
|
_motor_param.pcb_temp = (int16_t)UINT16_VALUE(_received_buff[10], _received_buff[11]) * 0.1;
|
|
_motor_param.stator_temp = (int16_t)UINT16_VALUE(_received_buff[12], _received_buff[13]) * 0.1;
|
|
_motor_param.last_update_ms = AP_HAL::millis();
|
|
|
|
// update esc telem sent to ground station
|
|
update_esc_telem(_motor_param.rpm,
|
|
_motor_param.voltage,
|
|
_motor_param.current,
|
|
_motor_param.pcb_temp, // esc temp
|
|
_motor_param.stator_temp); // motor temp
|
|
|
|
#if HAL_LOGGING_ENABLED
|
|
// log data
|
|
if (option_enabled(AP_Torqeedo::options::LOG)) {
|
|
// @LoggerMessage: TRMP
|
|
// @Description: Torqeedo Motor Param
|
|
// @Field: TimeUS: Time since system startup
|
|
// @Field: I: instance
|
|
// @Field: RPM: Motor RPM
|
|
// @Field: Pow: Motor power
|
|
// @Field: Volt: Motor voltage
|
|
// @Field: Cur: Motor current
|
|
// @Field: ETemp: ESC Temp
|
|
// @Field: MTemp: Motor Temp
|
|
AP::logger().Write("TRMP", "TimeUS,I,RPM,Pow,Volt,Cur,ETemp,MTemp",
|
|
"s#qWvAOO", // units
|
|
"F-000000", // multipliers
|
|
"QBhHffff", // formats
|
|
AP_HAL::micros64(),
|
|
_instance,
|
|
_motor_param.rpm,
|
|
_motor_param.power,
|
|
_motor_param.voltage,
|
|
_motor_param.current,
|
|
_motor_param.pcb_temp,
|
|
_motor_param.stator_temp);
|
|
}
|
|
#endif
|
|
|
|
// send to GCS
|
|
if (option_enabled(AP_Torqeedo::options::DEBUG_TO_GCS)) {
|
|
GCS_SEND_TEXT(MAV_SEVERITY_INFO, "TRMP i:%u rpm:%d p:%u V:%4.1f C:%4.1f PT:%4.1f MT:%4.1f",
|
|
(unsigned)_instance,
|
|
(int)_motor_param.rpm,
|
|
(unsigned)_motor_param.power,
|
|
(double)_motor_param.voltage,
|
|
(double)_motor_param.current,
|
|
(double)_motor_param.pcb_temp,
|
|
(double)_motor_param.stator_temp);
|
|
}
|
|
} else {
|
|
// unexpected length
|
|
_parse_error_count++;
|
|
}
|
|
break;
|
|
|
|
case MotorMsgId::STATUS:
|
|
if (_received_buff_len == 6) {
|
|
_motor_status.status_flags_value = _received_buff[2];
|
|
_motor_status.error_flags_value = UINT16_VALUE(_received_buff[3], _received_buff[4]);
|
|
|
|
#if HAL_LOGGING_ENABLED
|
|
// log data
|
|
if (option_enabled(AP_Torqeedo::options::LOG)) {
|
|
// @LoggerMessage: TRMS
|
|
// @Description: Torqeedo Motor Status
|
|
// @Field: TimeUS: Time since system startup
|
|
// @Field: I: instance
|
|
// @Field: State: Motor status flags
|
|
// @Field: Err: Motor error flags
|
|
AP::logger().Write("TRMS", "TimeUS,I,State,Err",
|
|
"s#--", // units
|
|
"F---", // multipliers
|
|
"QBBH", // formats
|
|
AP_HAL::micros64(),
|
|
_instance,
|
|
_motor_status.status_flags_value,
|
|
_motor_status.error_flags_value);
|
|
}
|
|
#endif
|
|
|
|
// send to GCS
|
|
if (option_enabled(AP_Torqeedo::options::DEBUG_TO_GCS)) {
|
|
GCS_SEND_TEXT(MAV_SEVERITY_INFO,"TRMS i:%u S:%d Err:%d",
|
|
(unsigned)_instance,
|
|
_motor_status.status_flags_value,
|
|
_motor_status.error_flags_value);
|
|
}
|
|
|
|
// report any errors
|
|
report_error_codes();
|
|
} else {
|
|
// unexpected length
|
|
_parse_error_count++;
|
|
}
|
|
break;
|
|
|
|
case MotorMsgId::INFO:
|
|
case MotorMsgId::DRIVE:
|
|
case MotorMsgId::CONFIG:
|
|
// we do not process these replies
|
|
break;
|
|
|
|
default:
|
|
// ignore unknown messages
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// set DE Serial CTS pin to enable sending commands to motor
|
|
void AP_Torqeedo_TQBus::send_start()
|
|
{
|
|
// set gpio pin or serial port's CTS pin
|
|
if (_params.pin_de > -1) {
|
|
hal.gpio->write(_params.pin_de, 1);
|
|
} else {
|
|
_uart->set_CTS_pin(true);
|
|
}
|
|
}
|
|
|
|
// check for timeout after sending and unset pin if required
|
|
void AP_Torqeedo_TQBus::check_for_send_end()
|
|
{
|
|
if (_send_delay_us == 0) {
|
|
// not sending
|
|
return;
|
|
}
|
|
|
|
if (AP_HAL::micros() - _send_start_us < _send_delay_us) {
|
|
// return if delay has not yet elapsed
|
|
return;
|
|
}
|
|
_send_delay_us = 0;
|
|
|
|
// unset gpio or serial port's CTS pin
|
|
if (_params.pin_de > -1) {
|
|
hal.gpio->write(_params.pin_de, 0);
|
|
} else {
|
|
_uart->set_CTS_pin(false);
|
|
}
|
|
}
|
|
|
|
// calculate delay require to allow bytes to be sent
|
|
uint32_t AP_Torqeedo_TQBus::calc_send_delay_us(uint8_t num_bytes)
|
|
{
|
|
// baud rate of 19200 bits/sec
|
|
// total number of bits = 10 x num_bytes
|
|
// convert from seconds to micros by multiplying by 1,000,000
|
|
// plus additional 300us safety margin
|
|
const uint32_t delay_us = 1e6 * num_bytes * 10 / TORQEEDO_SERIAL_BAUD + 300;
|
|
return delay_us;
|
|
}
|
|
|
|
// record msgid of message to wait for and set timer for timeout handling
|
|
void AP_Torqeedo_TQBus::set_expected_reply_msgid(uint8_t msg_id)
|
|
{
|
|
_reply_msgid = msg_id;
|
|
_reply_wait_start_ms = AP_HAL::millis();
|
|
}
|
|
|
|
// check for timeout waiting for reply message
|
|
void AP_Torqeedo_TQBus::check_for_reply_timeout()
|
|
{
|
|
// return immediately if not waiting for reply
|
|
if (_reply_wait_start_ms == 0) {
|
|
return;
|
|
}
|
|
if (AP_HAL::millis() - _reply_wait_start_ms > TORQEEDO_REPLY_TIMEOUT_MS) {
|
|
_reply_wait_start_ms = 0;
|
|
_parse_error_count++;
|
|
}
|
|
}
|
|
|
|
// mark reply received. should be called whenever a message is received regardless of whether we are actually waiting for a reply
|
|
void AP_Torqeedo_TQBus::set_reply_received()
|
|
{
|
|
_reply_wait_start_ms = 0;
|
|
}
|
|
|
|
// send a message to the motor with the specified message contents
|
|
// msg_contents should not include the header, footer or CRC
|
|
// returns true on success
|
|
bool AP_Torqeedo_TQBus::send_message(const uint8_t msg_contents[], uint8_t num_bytes)
|
|
{
|
|
// buffer for outgoing message
|
|
uint8_t send_buff[TORQEEDO_MESSAGE_LEN_MAX];
|
|
uint8_t send_buff_num_bytes = 0;
|
|
|
|
// calculate crc
|
|
const uint8_t crc = crc8_maxim(msg_contents, num_bytes);
|
|
|
|
// add header
|
|
send_buff[send_buff_num_bytes++] = TORQEEDO_PACKET_HEADER;
|
|
|
|
// add contents
|
|
for (uint8_t i=0; i<num_bytes; i++) {
|
|
if (!add_byte_to_message(msg_contents[i], send_buff, ARRAY_SIZE(send_buff), send_buff_num_bytes)) {
|
|
_parse_error_count++;
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// add crc
|
|
if (!add_byte_to_message(crc, send_buff, ARRAY_SIZE(send_buff), send_buff_num_bytes)) {
|
|
_parse_error_count++;
|
|
return false;
|
|
}
|
|
|
|
// add footer
|
|
if (send_buff_num_bytes >= ARRAY_SIZE(send_buff)) {
|
|
_parse_error_count++;
|
|
return false;
|
|
}
|
|
send_buff[send_buff_num_bytes++] = TORQEEDO_PACKET_FOOTER;
|
|
|
|
// set send pin
|
|
send_start();
|
|
|
|
// write message
|
|
_uart->write(send_buff, send_buff_num_bytes);
|
|
|
|
// record start and expected delay to send message
|
|
_send_start_us = AP_HAL::micros();
|
|
_send_delay_us = calc_send_delay_us(send_buff_num_bytes);
|
|
|
|
return true;
|
|
}
|
|
|
|
// add a byte to a message buffer including adding the escape character (0xAE) if necessary
|
|
// this should only be used when adding the contents to the buffer, not the header and footer
|
|
// num_bytes is updated to the next free byte
|
|
bool AP_Torqeedo_TQBus::add_byte_to_message(uint8_t byte_to_add, uint8_t msg_buff[], uint8_t msg_buff_size, uint8_t &num_bytes) const
|
|
{
|
|
bool escape_required = (byte_to_add == TORQEEDO_PACKET_HEADER ||
|
|
byte_to_add == TORQEEDO_PACKET_FOOTER ||
|
|
byte_to_add == TORQEEDO_PACKET_ESCAPE);
|
|
|
|
// check if we have enough space
|
|
if (num_bytes + (escape_required ? 2 : 1) >= msg_buff_size) {
|
|
return false;
|
|
}
|
|
|
|
// add byte
|
|
if (escape_required) {
|
|
msg_buff[num_bytes++] = TORQEEDO_PACKET_ESCAPE;
|
|
msg_buff[num_bytes++] = byte_to_add ^ TORQEEDO_PACKET_ESCAPE_MASK;
|
|
} else {
|
|
msg_buff[num_bytes++] = byte_to_add;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// Example "Remote (0x01)" reply message to allow tiller to control motor speed
|
|
// Byte Field Definition Example Value Comments
|
|
// ---------------------------------------------------------------------------------
|
|
// byte 0 Header 0xAC
|
|
// byte 1 TargetAddress 0x00 see MsgAddress enum
|
|
// byte 2 Message ID 0x00 only master populates this. replies have this set to zero
|
|
// byte 3 Flags 0x05 bit0=pin present, bit2=motor speed valid
|
|
// byte 4 Status 0x00 0x20 if byte3=4, 0x0 is byte3=5
|
|
// byte 5 Motor Speed MSB ---- Motor Speed MSB (-1000 to +1000)
|
|
// byte 6 Motor Speed LSB ---- Motor Speed LSB (-1000 to +1000)
|
|
// byte 7 CRC-Maxim ---- CRC-Maxim value
|
|
// byte 8 Footer 0xAD
|
|
//
|
|
// example message when rotating tiller handle forwards: "AC 00 00 05 00 00 ED 95 AD" (+237)
|
|
// example message when rotating tiller handle backwards: "AC 00 00 05 00 FF AE 2C 0C AD" (-82)
|
|
|
|
// send a motor speed command as a value from -1000 to +1000
|
|
// value is taken directly from SRV_Channel
|
|
// for tiller connection this sends the "Remote (0x01)" message
|
|
// for motor connection this sends the "Motor Drive (0x82)" message
|
|
void AP_Torqeedo_TQBus::send_motor_speed_cmd()
|
|
{
|
|
// calculate desired motor speed
|
|
if (!hal.util->get_soft_armed()) {
|
|
_motor_speed_desired = 0;
|
|
} else {
|
|
// convert throttle output to motor output in range -1000 to +1000
|
|
// ToDo: convert PWM output to motor output so that SERVOx_MIN, MAX and TRIM take effect
|
|
_motor_speed_desired = constrain_int16(SRV_Channels::get_output_norm((SRV_Channel::Aux_servo_function_t)_params.servo_fn.get()) * 1000.0, -1000, 1000);
|
|
}
|
|
|
|
// updated limited motor speed
|
|
int16_t mot_speed_limited = calc_motor_speed_limited(_motor_speed_desired);
|
|
|
|
// by default use tiller connection command
|
|
uint8_t mot_speed_cmd_buff[] = {(uint8_t)MsgAddress::BUS_MASTER, 0x0, 0x5, 0x0, HIGHBYTE(mot_speed_limited), LOWBYTE(mot_speed_limited)};
|
|
|
|
// update message if using motor connection
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|
if (get_type() == AP_Torqeedo::ConnectionType::TYPE_MOTOR) {
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const uint8_t motor_power = (uint8_t)constrain_int16(_params.motor_power, 0, 100);
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|
mot_speed_cmd_buff[0] = (uint8_t)MsgAddress::MOTOR;
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|
mot_speed_cmd_buff[1] = (uint8_t)MotorMsgId::DRIVE;
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mot_speed_cmd_buff[2] = (mot_speed_limited == 0 ? 0 : 0x01) | (_motor_clear_error ? 0x04 : 0); // 1:enable motor, 2:fast off, 4:clear error
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mot_speed_cmd_buff[3] = mot_speed_limited == 0 ? 0 : motor_power; // motor power from 0 to 100
|
|
|
|
// set expected reply message id
|
|
set_expected_reply_msgid((uint8_t)MotorMsgId::DRIVE);
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|
|
|
// reset motor clear error request
|
|
_motor_clear_error = false;
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|
}
|
|
|
|
// send a message
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|
if (send_message(mot_speed_cmd_buff, ARRAY_SIZE(mot_speed_cmd_buff))) {
|
|
// record time of send for health reporting
|
|
WITH_SEMAPHORE(_last_healthy_sem);
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|
_last_send_motor_ms = AP_HAL::millis();
|
|
}
|
|
}
|
|
|
|
// send request to motor to reply with a particular message
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|
// msg_id can be INFO, STATUS or PARAM
|
|
void AP_Torqeedo_TQBus::send_motor_msg_request(MotorMsgId msg_id)
|
|
{
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|
// prepare message
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|
uint8_t mot_status_request_buff[] = {(uint8_t)MsgAddress::MOTOR, (uint8_t)msg_id};
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|
|
|
// send a message
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|
if (send_message(mot_status_request_buff, ARRAY_SIZE(mot_status_request_buff))) {
|
|
// record waiting for reply
|
|
set_expected_reply_msgid((uint8_t)msg_id);
|
|
}
|
|
}
|
|
|
|
// calculate the limited motor speed that is sent to the motors
|
|
// desired_motor_speed argument and returned value are in the range -1000 to 1000
|
|
int16_t AP_Torqeedo_TQBus::calc_motor_speed_limited(int16_t desired_motor_speed)
|
|
{
|
|
const uint32_t now_ms = AP_HAL::millis();
|
|
|
|
// update dir_limit flag for forward-reverse transition delay
|
|
const bool dir_delay_active = is_positive(_params.dir_delay);
|
|
if (!dir_delay_active) {
|
|
// allow movement in either direction
|
|
_dir_limit = 0;
|
|
} else {
|
|
// by default limit motor direction to previous iteration's direction
|
|
if (is_positive(_motor_speed_limited)) {
|
|
_dir_limit = 1;
|
|
} else if (is_negative(_motor_speed_limited)) {
|
|
_dir_limit = -1;
|
|
} else {
|
|
// motor speed is zero
|
|
if ((_motor_speed_zero_ms != 0) && ((now_ms - _motor_speed_zero_ms) > (_params.dir_delay * 1000))) {
|
|
// delay has passed so allow movement in either direction
|
|
_dir_limit = 0;
|
|
_motor_speed_zero_ms = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
// calculate upper and lower limits for forward-reverse transition delay
|
|
int16_t lower_limit = -1000;
|
|
int16_t upper_limit = 1000;
|
|
if (_dir_limit < 0) {
|
|
upper_limit = 0;
|
|
}
|
|
if (_dir_limit > 0) {
|
|
lower_limit = 0;
|
|
}
|
|
|
|
// calculate dt since last update
|
|
float dt = (now_ms - _motor_speed_limited_ms) * 0.001f;
|
|
if (dt > 1.0) {
|
|
// after a long delay limit motor output to zero to avoid sudden starts
|
|
lower_limit = 0;
|
|
upper_limit = 0;
|
|
}
|
|
_motor_speed_limited_ms = now_ms;
|
|
|
|
// apply slew limit
|
|
if (_params.slew_time > 0) {
|
|
const float chg_max = 1000.0 * dt / _params.slew_time;
|
|
_motor_speed_limited = constrain_float(desired_motor_speed, _motor_speed_limited - chg_max, _motor_speed_limited + chg_max);
|
|
} else {
|
|
// no slew limit
|
|
_motor_speed_limited = desired_motor_speed;
|
|
}
|
|
|
|
// apply upper and lower limits
|
|
_motor_speed_limited = constrain_float(_motor_speed_limited, lower_limit, upper_limit);
|
|
|
|
// record time motor speed becomes zero
|
|
if (is_zero(_motor_speed_limited)) {
|
|
if (_motor_speed_zero_ms == 0) {
|
|
_motor_speed_zero_ms = now_ms;
|
|
}
|
|
} else {
|
|
// clear timer
|
|
_motor_speed_zero_ms = 0;
|
|
}
|
|
|
|
return (int16_t)_motor_speed_limited;
|
|
}
|
|
|
|
// output logging and debug messages (if required)
|
|
// force_logging should be true if caller wants to ensure the latest status is logged
|
|
void AP_Torqeedo_TQBus::log_TRQD(bool force_logging)
|
|
{
|
|
// exit immediately if logging and debug options are not set
|
|
if (!option_enabled(AP_Torqeedo::options::LOG) && option_enabled(AP_Torqeedo::options::DEBUG_TO_GCS)) {
|
|
return;
|
|
}
|
|
|
|
// return if not enough time has passed since last output
|
|
const uint32_t now_ms = AP_HAL::millis();
|
|
if (!force_logging && (now_ms - _last_log_TRQD_ms < TORQEEDO_LOG_TRQD_INTERVAL_MS)) {
|
|
return;
|
|
}
|
|
_last_log_TRQD_ms = now_ms;
|
|
|
|
#if HAL_LOGGING_ENABLED || HAL_GCS_ENABLED
|
|
const bool health = healthy();
|
|
int16_t actual_motor_speed = get_motor_speed_limited();
|
|
|
|
#if HAL_LOGGING_ENABLED
|
|
if (option_enabled(AP_Torqeedo::options::LOG)) {
|
|
// @LoggerMessage: TRQD
|
|
// @Description: Torqeedo Status
|
|
// @Field: TimeUS: Time since system startup
|
|
// @Field: I: instance
|
|
// @Field: Health: Health
|
|
// @Field: DesMotSpeed: Desired Motor Speed (-1000 to 1000)
|
|
// @Field: MotSpeed: Motor Speed (-1000 to 1000)
|
|
// @Field: SuccCnt: Success Count
|
|
// @Field: ErrCnt: Error Count
|
|
AP::logger().Write("TRQD", "TimeUS,I,Health,DesMotSpeed,MotSpeed,SuccCnt,ErrCnt",
|
|
"s#-----", // units
|
|
"F------", // multipliers
|
|
"QBBhhII", // formats
|
|
AP_HAL::micros64(),
|
|
_instance,
|
|
health,
|
|
_motor_speed_desired,
|
|
actual_motor_speed,
|
|
_parse_success_count,
|
|
_parse_error_count);
|
|
}
|
|
#endif
|
|
|
|
if (option_enabled(AP_Torqeedo::options::DEBUG_TO_GCS)) {
|
|
GCS_SEND_TEXT(MAV_SEVERITY_INFO,"TRQD i:%u h:%u dspd:%d spd:%d succ:%ld err:%ld",
|
|
(unsigned)_instance,
|
|
(unsigned)health,
|
|
(int)_motor_speed_desired,
|
|
(int)actual_motor_speed,
|
|
(unsigned long)_parse_success_count,
|
|
(unsigned long)_parse_error_count);
|
|
}
|
|
#endif // HAL_LOGGING_ENABLED || HAL_GCS_ENABLED
|
|
}
|
|
|
|
// send ESC telemetry
|
|
void AP_Torqeedo_TQBus::update_esc_telem(float rpm, float voltage, float current_amps, float esc_tempC, float motor_tempC)
|
|
{
|
|
#if HAL_WITH_ESC_TELEM
|
|
// find servo output channel
|
|
uint8_t telem_esc_index = 0;
|
|
IGNORE_RETURN(SRV_Channels::find_channel((SRV_Channel::Aux_servo_function_t)_params.servo_fn.get(), telem_esc_index));
|
|
|
|
// fill in telemetry data structure
|
|
AP_ESC_Telem_Backend::TelemetryData telem_dat {};
|
|
telem_dat.temperature_cdeg = esc_tempC * 100; // temperature in centi-degrees
|
|
telem_dat.voltage = voltage; // voltage in volts
|
|
telem_dat.current = current_amps; // current in amps
|
|
telem_dat.motor_temp_cdeg = motor_tempC * 100; // motor temperature in centi-degrees
|
|
|
|
// send telem and rpm data
|
|
update_telem_data(telem_esc_index, telem_dat, AP_ESC_Telem_Backend::TelemetryType::TEMPERATURE |
|
|
AP_ESC_Telem_Backend::TelemetryType::MOTOR_TEMPERATURE |
|
|
AP_ESC_Telem_Backend::TelemetryType::CURRENT |
|
|
AP_ESC_Telem_Backend::TelemetryType::VOLTAGE);
|
|
|
|
update_rpm(telem_esc_index, rpm);
|
|
#endif
|
|
}
|
|
|
|
#endif // HAL_TORQEEDO_ENABLED
|