mirror of https://github.com/ArduPilot/ardupilot
AP_PiccoloCAN: add ESC telemetry support
remove send_esc_telemetry_mavlink() log telemetry data in frontend record volts, amps and consumption as floats
This commit is contained in:
Andy Piper
Andrew Tridgell
parent
45e1b56f17
commit
70fae36a89
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@ -245,8 +245,6 @@ bool AP_PiccoloCAN::read_frame(AP_HAL::CANFrame &recv_frame, uint64_t timeout)
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// called from SRV_Channels
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void AP_PiccoloCAN::update()
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{
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uint64_t timestamp = AP_HAL::micros64();
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/* Read out the ESC commands from the channel mixer */
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for (uint8_t i = 0; i < PICCOLO_CAN_MAX_NUM_ESC; i++) {
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@ -263,106 +261,8 @@ void AP_PiccoloCAN::update()
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}
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}
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}
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AP_Logger *logger = AP_Logger::get_singleton();
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// Push received telemtry data into the logging system
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if (logger && logger->logging_enabled()) {
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WITH_SEMAPHORE(_telem_sem);
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for (uint8_t i = 0; i < PICCOLO_CAN_MAX_NUM_ESC; i++) {
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PiccoloESC_Info_t &esc = _esc_info[i];
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if (esc.newTelemetry) {
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logger->Write_ESC(i, timestamp,
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(int32_t) esc.rpm * 100,
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esc.voltage,
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esc.current,
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(int16_t) esc.fetTemperature,
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0, // TODO - Accumulated current
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(int16_t) esc.motorTemperature);
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esc.newTelemetry = false;
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}
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}
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}
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}
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// send ESC telemetry messages over MAVLink
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void AP_PiccoloCAN::send_esc_telemetry_mavlink(uint8_t mav_chan)
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{
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// Arrays to store ESC telemetry data
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uint8_t temperature[4] {};
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uint16_t voltage[4] {};
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uint16_t rpm[4] {};
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uint16_t count[4] {};
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uint16_t current[4] {};
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uint16_t totalcurrent[4] {};
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bool dataAvailable = false;
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uint8_t idx = 0;
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WITH_SEMAPHORE(_telem_sem);
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for (uint8_t ii = 0; ii < PICCOLO_CAN_MAX_NUM_ESC; ii++) {
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// Calculate index within storage array
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idx = (ii % 4);
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PiccoloESC_Info_t &esc = _esc_info[idx];
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// Has the ESC been heard from recently?
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if (is_esc_present(ii)) {
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dataAvailable = true;
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temperature[idx] = esc.fetTemperature;
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voltage[idx] = esc.voltage;
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current[idx] = esc.current;
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totalcurrent[idx] = 0;
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rpm[idx] = esc.rpm;
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count[idx] = 0;
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} else {
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temperature[idx] = 0;
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voltage[idx] = 0;
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current[idx] = 0;
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totalcurrent[idx] = 0;
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rpm[idx] = 0;
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count[idx] = 0;
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}
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// Send ESC telemetry in groups of 4
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if ((ii % 4) == 3) {
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if (dataAvailable) {
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if (!HAVE_PAYLOAD_SPACE((mavlink_channel_t) mav_chan, ESC_TELEMETRY_1_TO_4)) {
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continue;
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}
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switch (ii) {
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case 3:
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mavlink_msg_esc_telemetry_1_to_4_send((mavlink_channel_t) mav_chan, temperature, voltage, current, totalcurrent, rpm, count);
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break;
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case 7:
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mavlink_msg_esc_telemetry_5_to_8_send((mavlink_channel_t) mav_chan, temperature, voltage, current, totalcurrent, rpm, count);
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break;
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case 11:
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mavlink_msg_esc_telemetry_9_to_12_send((mavlink_channel_t) mav_chan, temperature, voltage, current, totalcurrent, rpm, count);
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break;
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default:
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break;
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}
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}
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dataAvailable = false;
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}
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}
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}
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// send ESC messages over CAN
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void AP_PiccoloCAN::send_esc_messages(void)
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{
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@ -483,6 +383,7 @@ bool AP_PiccoloCAN::handle_esc_message(AP_HAL::CANFrame &frame)
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// Throw the packet against each decoding routine
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if (decodeESC_StatusAPacket(&frame, &esc.mode, &esc.status, &esc.setpoint, &esc.rpm)) {
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esc.newTelemetry = true;
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update_rpm(addr, esc.rpm);
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} else if (decodeESC_LegacyStatusAPacket(&frame, &esc.mode, &legacyStatus, &legacyWarnings, &legacyErrors, &esc.setpoint, &esc.rpm)) {
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// The status / warning / error bits need to be converted to modern values
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// Note: Not *all* of the modern status bits are available in the Gen-1 packet
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@ -507,8 +408,22 @@ bool AP_PiccoloCAN::handle_esc_message(AP_HAL::CANFrame &frame)
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// There are no common error bits between the Gen-1 and Gen-2 ICD
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} else if (decodeESC_StatusBPacket(&frame, &esc.voltage, &esc.current, &esc.dutyCycle, &esc.escTemperature, &esc.motorTemperature)) {
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TelemetryData t {
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.temperature_cdeg = int16_t(esc.escTemperature * 100),
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.voltage = float(esc.voltage) * 0.01f,
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.current = float(esc.current) * 0.01f,
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};
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update_telem_data(addr, t,
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AP_ESC_Telem_Backend::TelemetryType::CURRENT
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| AP_ESC_Telem_Backend::TelemetryType::VOLTAGE
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| AP_ESC_Telem_Backend::TelemetryType::TEMPERATURE);
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esc.newTelemetry = true;
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} else if (decodeESC_StatusCPacket(&frame, &esc.fetTemperature, &esc.pwmFrequency, &esc.timingAdvance)) {
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TelemetryData t { };
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t.motor_temp_cdeg = int16_t(esc.fetTemperature * 100);
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update_telem_data(addr, t, AP_ESC_Telem_Backend::TelemetryType::MOTOR_TEMPERATURE);
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esc.newTelemetry = true;
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} else if (decodeESC_WarningErrorStatusPacket(&frame, &esc.warnings, &esc.errors)) {
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esc.newTelemetry = true;
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@ -530,7 +445,6 @@ bool AP_PiccoloCAN::handle_esc_message(AP_HAL::CANFrame &frame)
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return result;
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}
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/**
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* Check if a given ESC channel is "active" (has been configured correctly)
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*/
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@ -555,13 +469,13 @@ bool AP_PiccoloCAN::is_esc_channel_active(uint8_t chan)
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/**
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* Determine if an ESC is present on the CAN bus (has telemetry data been received)
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*/
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bool AP_PiccoloCAN::is_esc_present(uint8_t chan, uint64_t timeout_ms)
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bool AP_PiccoloCAN::is_esc_present(uint8_t chan, uint64_t timeout_ms) const
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{
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if (chan >= PICCOLO_CAN_MAX_NUM_ESC) {
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return false;
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}
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PiccoloESC_Info_t &esc = _esc_info[chan];
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const PiccoloESC_Info_t &esc = _esc_info[chan];
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// No messages received from this ESC
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if (esc.last_rx_msg_timestamp == 0) {
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@ -22,6 +22,7 @@
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#include <AP_HAL/Semaphores.h>
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#include <AP_Param/AP_Param.h>
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#include <AP_ESC_Telem/AP_ESC_Telem_Backend.h>
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#include "piccolo_protocol/ESCPackets.h"
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#include "piccolo_protocol/LegacyESCPackets.h"
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@ -40,7 +41,7 @@
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#define PICCOLO_MSG_RATE_HZ_MAX 500
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#define PICCOLO_MSG_RATE_HZ_DEFAULT 50
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class AP_PiccoloCAN : public AP_CANDriver
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class AP_PiccoloCAN : public AP_CANDriver, public AP_ESC_Telem_Backend
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{
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public:
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AP_PiccoloCAN();
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@ -79,14 +80,11 @@ public:
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// called from SRV_Channels
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void update();
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// send ESC telemetry messages over MAVLink
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void send_esc_telemetry_mavlink(uint8_t mav_chan);
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// return true if a particular ESC is 'active' on the Piccolo interface
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bool is_esc_channel_active(uint8_t chan);
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// return true if a particular ESC has been detected
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bool is_esc_present(uint8_t chan, uint64_t timeout_ms = 2000);
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bool is_esc_present(uint8_t chan, uint64_t timeout_ms = 2000) const;
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// return true if a particular ESC is enabled
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bool is_esc_enabled(uint8_t chan);
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