mirror of https://github.com/ArduPilot/ardupilot
AP_OpenDroneID: add support for persistent storage of UAS ID
This commit is contained in:
bugobliterator
Randy Mackay
parent
55504e7fcc
commit
b05df95c3d
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@ -38,6 +38,8 @@
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#include <AP_AHRS/AP_AHRS.h>
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#include <AP_Parachute/AP_Parachute.h>
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#include <AP_Vehicle/AP_Vehicle.h>
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#include <stdio.h>
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#include <GCS_MAVLink/GCS.h>
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extern const AP_HAL::HAL &hal;
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@ -64,7 +66,7 @@ const AP_Param::GroupInfo AP_OpenDroneID::var_info[] = {
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// @Param: OPTIONS
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// @DisplayName: OpenDroneID options
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// @Description: Options for OpenDroneID subsystem
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// @Bitmask: 0:EnforceArming, 1:AllowNonGPSPosition
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// @Bitmask: 0:EnforceArming, 1:AllowNonGPSPosition, 2:LockUASIDOnFirstBasicIDRx, 3:UseChipIDAsBasicID
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AP_GROUPINFO("OPTIONS", 4, AP_OpenDroneID, _options, 0),
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// @Param: BARO_ACC
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@ -77,6 +79,13 @@ const AP_Param::GroupInfo AP_OpenDroneID::var_info[] = {
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AP_GROUPEND
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};
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#if defined(OPENDRONEID_UA_TYPE)
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// ensure the type is within the allowed range
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#if OPENDRONEID_UA_TYPE < 0 || OPENDRONEID_UA_TYPE > 15
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#error "OPENDRONEID_UA_TYPE must be between 0 and 15"
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#endif
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#endif
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// constructor
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AP_OpenDroneID::AP_OpenDroneID()
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{
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@ -95,7 +104,80 @@ void AP_OpenDroneID::init()
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return;
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}
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load_UAS_ID_from_persistent_memory();
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_chan = mavlink_channel_t(gcs().get_channel_from_port_number(_mav_port));
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_initialised = true;
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}
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void AP_OpenDroneID::load_UAS_ID_from_persistent_memory()
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{
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id_len = sizeof(id_str);
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size_t id_type_len = sizeof(id_type);
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size_t ua_type_len = sizeof(ua_type);
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if (hal.util->get_persistent_param_by_name("DID_UAS_ID", id_str, id_len) &&
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hal.util->get_persistent_param_by_name("DID_UAS_ID_TYPE", id_type, id_type_len) &&
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hal.util->get_persistent_param_by_name("DID_UA_TYPE", ua_type, ua_type_len)) {
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if (id_len && id_type_len && ua_type_len) {
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_options.set_and_save(_options.get() & ~LockUASIDOnFirstBasicIDRx);
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_options.notify();
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GCS_SEND_TEXT(MAV_SEVERITY_INFO, "OpenDroneID: Locked UAS_ID: %s", id_str);
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}
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} else {
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id_len = 0;
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}
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}
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void AP_OpenDroneID::set_basic_id() {
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if (pkt_basic_id.id_type != MAV_ODID_ID_TYPE_NONE) {
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return;
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}
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if (id_len == 0) {
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load_UAS_ID_from_persistent_memory();
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}
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#if defined(OPENDRONEID_UA_MFR_CODE)
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if ((_options & UseChipIDAsBasicID) && (id_len == 0)) {
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float val;
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// prepare basic id pkt
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AP_Param::get("SYSID_THISMAV", val);
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pkt_basic_id.target_system = val;
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pkt_basic_id.target_component = MAV_COMP_ID_ODID_TXRX_1;
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pkt_basic_id.id_type = MAV_ODID_ID_TYPE_SERIAL_NUMBER;
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pkt_basic_id.ua_type = OPENDRONEID_UA_TYPE;
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uint8_t sys_id[12];
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uint8_t len = 12;
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hal.util->get_system_id_unformatted(sys_id, len);
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char buffer[21];
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// create a unique id based on the system id, using
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snprintf(buffer, sizeof(buffer), "%sE%x%x%x%x%x%x%x",
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OPENDRONEID_UA_MFR_CODE,
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sys_id[0], sys_id[1], sys_id[2],
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sys_id[4],
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sys_id[5], sys_id[6], sys_id[7]);
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memcpy(pkt_basic_id.uas_id, buffer, sizeof(pkt_basic_id.uas_id));
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} else
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#endif
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if (id_len > 0) {
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// prepare basic id pkt
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uint8_t val = gcs().sysid_this_mav();
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pkt_basic_id.target_system = val;
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pkt_basic_id.target_component = MAV_COMP_ID_ODID_TXRX_1;
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pkt_basic_id.id_type = atoi(id_type);
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pkt_basic_id.ua_type = atoi(ua_type);
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char buffer[21];
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snprintf(buffer, sizeof(buffer), "%s", id_str);
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memcpy(pkt_basic_id.uas_id, buffer, sizeof(pkt_basic_id.uas_id));
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}
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}
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void AP_OpenDroneID::get_persistent_params(ExpandingString &str) const
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{
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if ((pkt_basic_id.id_type == MAV_ODID_ID_TYPE_SERIAL_NUMBER)
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&& (_options & LockUASIDOnFirstBasicIDRx)
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&& id_len == 0) {
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GCS_SEND_TEXT(MAV_SEVERITY_CRITICAL, "OpenDroneID: ID is locked as %s", pkt_basic_id.uas_id);
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str.printf("DID_UAS_ID=%s\nDID_UAS_ID_TYPE=%u\nDID_UA_TYPE=%u\n", pkt_basic_id.uas_id, pkt_basic_id.id_type, pkt_basic_id.ua_type);
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}
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}
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// Perform the pre-arm checks and prevent arming if they are not satisifed
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@ -147,6 +229,16 @@ void AP_OpenDroneID::update()
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return;
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}
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if ((pkt_basic_id.id_type == MAV_ODID_ID_TYPE_SERIAL_NUMBER)
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&& (_options & LockUASIDOnFirstBasicIDRx)
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&& id_len == 0) {
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hal.util->flash_bootloader();
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// reset the basic id on next set_basic_id call
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pkt_basic_id.id_type = MAV_ODID_ID_TYPE_NONE;
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}
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set_basic_id();
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const bool armed = hal.util->get_soft_armed();
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if (armed && !_was_armed) {
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// use arm location as takeoff location
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@ -655,6 +747,9 @@ float AP_OpenDroneID::create_location_timestamp(float timestamp) const
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// handle a message from the GCS
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void AP_OpenDroneID::handle_msg(mavlink_channel_t chan, const mavlink_message_t &msg)
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{
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if (!_initialised) {
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return;
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}
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WITH_SEMAPHORE(_sem);
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switch (msg.msgid) {
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@ -674,7 +769,13 @@ void AP_OpenDroneID::handle_msg(mavlink_channel_t chan, const mavlink_message_t
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mavlink_msg_open_drone_id_self_id_decode(&msg, &pkt_self_id);
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break;
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case MAVLINK_MSG_ID_OPEN_DRONE_ID_BASIC_ID:
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mavlink_msg_open_drone_id_basic_id_decode(&msg, &pkt_basic_id);
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if (id_len == 0
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#if defined(OPENDRONEID_UA_MFR_CODE)
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&& !(_options & UseChipIDAsBasicID)
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#endif
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) {
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mavlink_msg_open_drone_id_basic_id_decode(&msg, &pkt_basic_id);
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}
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break;
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case MAVLINK_MSG_ID_OPEN_DRONE_ID_SYSTEM:
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mavlink_msg_open_drone_id_system_decode(&msg, &pkt_system);
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@ -92,6 +92,12 @@ public:
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void set_arm_status(mavlink_open_drone_id_arm_status_t &status);
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void set_basic_id();
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void get_persistent_params(ExpandingString &str) const;
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void load_UAS_ID_from_persistent_memory();
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// get singleton instance
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static AP_OpenDroneID *get_singleton()
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{
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@ -99,7 +105,7 @@ public:
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}
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private:
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static AP_OpenDroneID *_singleton;
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bool _initialised;
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// parameters
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AP_Int8 _enable;
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AP_Float _baro_accuracy; // Vertical accuracy of the barometer when installed
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@ -107,9 +113,16 @@ private:
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AP_Int8 _mav_port;
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AP_Int8 _can_driver;
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char ua_type[3];
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char id_type[3];
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size_t id_len;
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char id_str[21];
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enum Options : int16_t {
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EnforceArming = (1U << 0U),
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AllowNonGPSPosition = (1U << 1U),
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LockUASIDOnFirstBasicIDRx = (1U << 2U),
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UseChipIDAsBasicID = (1U << 3U),
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};
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// check if an option is set
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