diff options
Diffstat (limited to 'src/modules/mavlink/mavlink_main.cpp')
| -rw-r--r-- | src/modules/mavlink/mavlink_main.cpp | 1599 |
1 files changed, 530 insertions, 1069 deletions
diff --git a/src/modules/mavlink/mavlink_main.cpp b/src/modules/mavlink/mavlink_main.cpp index 7ecca0d65..9a39d3bed 100644 --- a/src/modules/mavlink/mavlink_main.cpp +++ b/src/modules/mavlink/mavlink_main.cpp @@ -18,7 +18,6 @@ * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, @@ -73,15 +72,16 @@ #include <mavlink/mavlink_log.h> #include <uORB/topics/parameter_update.h> -#include <uORB/topics/mission.h> -#include <uORB/topics/mission_result.h> #include "mavlink_bridge_header.h" #include "mavlink_main.h" #include "mavlink_messages.h" #include "mavlink_receiver.h" #include "mavlink_rate_limiter.h" -#include "mavlink_commands.h" + +#ifndef MAVLINK_CRC_EXTRA +#error MAVLINK_CRC_EXTRA has to be defined on PX4 systems +#endif /* oddly, ERROR is not defined for c++ */ #ifdef ERROR @@ -90,14 +90,19 @@ static const int ERROR = -1; #define DEFAULT_DEVICE_NAME "/dev/ttyS1" -#define MAX_DATA_RATE 10000 // max data rate in bytes/s +#define MAX_DATA_RATE 20000 // max data rate in bytes/s #define MAIN_LOOP_DELAY 10000 // 100 Hz @ 1000 bytes/s data rate +#define TX_BUFFER_GAP MAVLINK_MAX_PACKET_LEN + static Mavlink *_mavlink_instances = nullptr; /* TODO: if this is a class member it crashes */ static struct file_operations fops; +static const uint8_t mavlink_message_lengths[256] = MAVLINK_MESSAGE_LENGTHS; +static const uint8_t mavlink_message_crcs[256] = MAVLINK_MESSAGE_CRCS; + /** * mavlink app start / stop handling function * @@ -105,106 +110,15 @@ static struct file_operations fops; */ extern "C" __EXPORT int mavlink_main(int argc, char *argv[]); -static uint64_t last_write_times[6] = {0}; - -/* - * Internal function to send the bytes through the right serial port - */ -void -mavlink_send_uart_bytes(mavlink_channel_t channel, const uint8_t *ch, int length) -{ - Mavlink *instance; - - switch (channel) { - case MAVLINK_COMM_0: - instance = Mavlink::get_instance(0); - break; - - case MAVLINK_COMM_1: - instance = Mavlink::get_instance(1); - break; - - case MAVLINK_COMM_2: - instance = Mavlink::get_instance(2); - break; - - case MAVLINK_COMM_3: - instance = Mavlink::get_instance(3); - break; -#ifdef MAVLINK_COMM_4 - - case MAVLINK_COMM_4: - instance = Mavlink::get_instance(4); - break; -#endif -#ifdef MAVLINK_COMM_5 - - case MAVLINK_COMM_5: - instance = Mavlink::get_instance(5); - break; -#endif -#ifdef MAVLINK_COMM_6 - - case MAVLINK_COMM_6: - instance = Mavlink::get_instance(6); - break; -#endif - } - - /* no valid instance, bail */ - if (!instance) { - return; - } - - int uart = instance->get_uart_fd(); - - ssize_t desired = (sizeof(uint8_t) * length); - - /* - * Check if the OS buffer is full and disable HW - * flow control if it continues to be full - */ - int buf_free = 0; - - if (instance->get_flow_control_enabled() - && ioctl(uart, FIONWRITE, (unsigned long)&buf_free) == 0) { - - if (buf_free == 0) { - - if (last_write_times[(unsigned)channel] != 0 && - hrt_elapsed_time(&last_write_times[(unsigned)channel]) > 500 * 1000UL) { - - warnx("DISABLING HARDWARE FLOW CONTROL"); - instance->enable_flow_control(false); - } - - } else { - - /* apparently there is space left, although we might be - * partially overflooding the buffer already */ - last_write_times[(unsigned)channel] = hrt_absolute_time(); - } - } - - /* If the wait until transmit flag is on, only transmit after we've received messages. - Otherwise, transmit all the time. */ - if (instance->should_transmit()) { - ssize_t ret = write(uart, ch, desired); - if (ret != desired) { - // XXX do something here, but change to using FIONWRITE and OS buf size for detection - } - } - - - -} +extern mavlink_system_t mavlink_system; static void usage(void); Mavlink::Mavlink() : - next(nullptr), _device_name(DEFAULT_DEVICE_NAME), _task_should_exit(false), + next(nullptr), + _instance_id(0), _mavlink_fd(-1), _task_running(false), _hil_enabled(false), @@ -215,22 +129,50 @@ Mavlink::Mavlink() : _main_loop_delay(1000), _subscriptions(nullptr), _streams(nullptr), - _mission_pub(-1), - _verbose(false), - _forwarding_on(false), - _passing_on(false), - _uart_fd(-1), - _mavlink_param_queue_index(0), - _subscribe_to_stream(nullptr), - _subscribe_to_stream_rate(0.0f), - _flow_control_enabled(true), - _message_buffer({}), - -/* performance counters */ - _loop_perf(perf_alloc(PC_ELAPSED, "mavlink")) + _mission_manager(nullptr), + _parameters_manager(nullptr), + _mode(MAVLINK_MODE_NORMAL), + _channel(MAVLINK_COMM_0), + _logbuffer {}, + _total_counter(0), + _receive_thread {}, + _verbose(false), + _forwarding_on(false), + _passing_on(false), + _ftp_on(false), + _uart_fd(-1), + _baudrate(57600), + _datarate(1000), + _datarate_events(500), + _rate_mult(1.0f), + _mavlink_param_queue_index(0), + mavlink_link_termination_allowed(false), + _subscribe_to_stream(nullptr), + _subscribe_to_stream_rate(0.0f), + _flow_control_enabled(true), + _last_write_success_time(0), + _last_write_try_time(0), + _bytes_tx(0), + _bytes_txerr(0), + _bytes_rx(0), + _bytes_timestamp(0), + _rate_tx(0.0f), + _rate_txerr(0.0f), + _rate_rx(0.0f), + _rstatus {}, + _message_buffer {}, + _message_buffer_mutex {}, + _send_mutex {}, + _param_initialized(false), + _param_system_id(0), + _param_component_id(0), + _param_system_type(0), + _param_use_hil_gps(0), + + /* performance counters */ + _loop_perf(perf_alloc(PC_ELAPSED, "mavlink_el")), + _txerr_perf(perf_alloc(PC_COUNT, "mavlink_txe")) { - _wpm = &_wpm_s; - mission.count = 0; fops.ioctl = (int (*)(file *, int, long unsigned int))&mavlink_dev_ioctl; _instance_id = Mavlink::instance_count(); @@ -280,6 +222,7 @@ Mavlink::Mavlink() : Mavlink::~Mavlink() { perf_free(_loop_perf); + perf_free(_txerr_perf); if (_task_running) { /* task wakes up every 10ms or so at the longest */ @@ -305,6 +248,12 @@ Mavlink::~Mavlink() } void +Mavlink::count_txerr() +{ + perf_count(_txerr_perf); +} + +void Mavlink::set_mode(enum MAVLINK_MODE mode) { _mode = mode; @@ -389,6 +338,27 @@ Mavlink::destroy_all_instances() return OK; } +int +Mavlink::get_status_all_instances() +{ + Mavlink *inst = ::_mavlink_instances; + + unsigned iterations = 0; + + while (inst != nullptr) { + + printf("\ninstance #%u:\n", iterations); + inst->display_status(); + + /* move on */ + inst = inst->next; + iterations++; + } + + /* return an error if there are no instances */ + return (iterations == 0); +} + bool Mavlink::instance_exists(const char *device_name, Mavlink *self) { @@ -408,13 +378,18 @@ Mavlink::instance_exists(const char *device_name, Mavlink *self) } void -Mavlink::forward_message(mavlink_message_t *msg, Mavlink *self) +Mavlink::forward_message(const mavlink_message_t *msg, Mavlink *self) { - + Mavlink *inst; LL_FOREACH(_mavlink_instances, inst) { if (inst != self) { - inst->pass_message(msg); + + /* if not in normal mode, we are an onboard link + * onboard links should only pass on messages from the same system ID */ + if (!(self->_mode != MAVLINK_MODE_NORMAL && msg->sysid != mavlink_system.sysid)) { + inst->pass_message(msg); + } } } } @@ -462,10 +437,27 @@ Mavlink::mavlink_dev_ioctl(struct file *filep, int cmd, unsigned long arg) case (int)MAVLINK_IOC_SEND_TEXT_EMERGENCY: { const char *txt = (const char *)arg; -// printf("logmsg: %s\n", txt); struct mavlink_logmessage msg; strncpy(msg.text, txt, sizeof(msg.text)); + switch (cmd) { + case MAVLINK_IOC_SEND_TEXT_INFO: + msg.severity = MAV_SEVERITY_INFO; + break; + + case MAVLINK_IOC_SEND_TEXT_CRITICAL: + msg.severity = MAV_SEVERITY_CRITICAL; + break; + + case MAVLINK_IOC_SEND_TEXT_EMERGENCY: + msg.severity = MAV_SEVERITY_EMERGENCY; + break; + + default: + msg.severity = MAV_SEVERITY_INFO; + break; + } + Mavlink *inst; LL_FOREACH(_mavlink_instances, inst) { if (!inst->_task_should_exit) { @@ -484,48 +476,69 @@ Mavlink::mavlink_dev_ioctl(struct file *filep, int cmd, unsigned long arg) void Mavlink::mavlink_update_system(void) { - static bool initialized = false; - static param_t param_system_id; - static param_t param_component_id; - static param_t param_system_type; - static param_t param_use_hil_gps; - - if (!initialized) { - param_system_id = param_find("MAV_SYS_ID"); - param_component_id = param_find("MAV_COMP_ID"); - param_system_type = param_find("MAV_TYPE"); - param_use_hil_gps = param_find("MAV_USEHILGPS"); - initialized = true; + if (!_param_initialized) { + _param_system_id = param_find("MAV_SYS_ID"); + _param_component_id = param_find("MAV_COMP_ID"); + _param_system_type = param_find("MAV_TYPE"); + _param_use_hil_gps = param_find("MAV_USEHILGPS"); } /* update system and component id */ int32_t system_id; - param_get(param_system_id, &system_id); + param_get(_param_system_id, &system_id); - if (system_id > 0 && system_id < 255) { - mavlink_system.sysid = system_id; + int32_t component_id; + param_get(_param_component_id, &component_id); + + + /* only allow system ID and component ID updates + * after reboot - not during operation */ + if (!_param_initialized) { + if (system_id > 0 && system_id < 255) { + mavlink_system.sysid = system_id; + } + + if (component_id > 0 && component_id < 255) { + mavlink_system.compid = component_id; + } + + _param_initialized = true; } - int32_t component_id; - param_get(param_component_id, &component_id); + /* warn users that they need to reboot to take this + * into effect + */ + if (system_id != mavlink_system.sysid) { + send_statustext_critical("Save params and reboot to change SYSID"); + } - if (component_id > 0 && component_id < 255) { - mavlink_system.compid = component_id; + if (component_id != mavlink_system.compid) { + send_statustext_critical("Save params and reboot to change COMPID"); } int32_t system_type; - param_get(param_system_type, &system_type); + param_get(_param_system_type, &system_type); if (system_type >= 0 && system_type < MAV_TYPE_ENUM_END) { mavlink_system.type = system_type; } int32_t use_hil_gps; - param_get(param_use_hil_gps, &use_hil_gps); + param_get(_param_use_hil_gps, &use_hil_gps); _use_hil_gps = (bool)use_hil_gps; } +int Mavlink::get_system_id() +{ + return mavlink_system.sysid; +} + +int Mavlink::get_component_id() +{ + return mavlink_system.compid; +} + int Mavlink::mavlink_open_uart(int baud, const char *uart_name, struct termios *uart_config_original, bool *is_usb) { /* process baud rate */ @@ -575,7 +588,8 @@ int Mavlink::mavlink_open_uart(int baud, const char *uart_name, struct termios * case 921600: speed = B921600; break; default: - warnx("ERROR: Unsupported baudrate: %d\n\tsupported examples:\n\t9600, 19200, 38400, 57600\t\n115200\n230400\n460800\n921600\n", baud); + warnx("ERROR: Unsupported baudrate: %d\n\tsupported examples:\n\t9600, 19200, 38400, 57600\t\n115200\n230400\n460800\n921600\n", + baud); return -EINVAL; } @@ -636,6 +650,9 @@ int Mavlink::mavlink_open_uart(int baud, const char *uart_name, struct termios * if (enable_flow_control(true)) { warnx("hardware flow control not supported"); } + + } else { + _flow_control_enabled = false; } return _uart_fd; @@ -677,8 +694,7 @@ Mavlink::set_hil_enabled(bool hil_enabled) /* enable HIL */ if (hil_enabled && !_hil_enabled) { _hil_enabled = true; - float rate_mult = _datarate / 1000.0f; - configure_stream("HIL_CONTROLS", 15.0f * rate_mult); + configure_stream("HIL_CONTROLS", 200.0f); } /* disable HIL */ @@ -693,870 +709,188 @@ Mavlink::set_hil_enabled(bool hil_enabled) return ret; } -extern mavlink_system_t mavlink_system; - -int Mavlink::mavlink_pm_queued_send() -{ - if (_mavlink_param_queue_index < param_count()) { - mavlink_pm_send_param(param_for_index(_mavlink_param_queue_index)); - _mavlink_param_queue_index++; - return 0; - - } else { - return 1; - } -} - -void Mavlink::mavlink_pm_start_queued_send() +unsigned +Mavlink::get_free_tx_buf() { - _mavlink_param_queue_index = 0; -} - -int Mavlink::mavlink_pm_send_param_for_index(uint16_t index) -{ - return mavlink_pm_send_param(param_for_index(index)); -} - -int Mavlink::mavlink_pm_send_param_for_name(const char *name) -{ - return mavlink_pm_send_param(param_find(name)); -} - -int Mavlink::mavlink_pm_send_param(param_t param) -{ - if (param == PARAM_INVALID) { return 1; } - - /* buffers for param transmission */ - static char name_buf[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN]; - float val_buf; - static mavlink_message_t tx_msg; - - /* query parameter type */ - param_type_t type = param_type(param); - /* copy parameter name */ - strncpy((char *)name_buf, param_name(param), MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN); - /* - * Map onboard parameter type to MAVLink type, - * endianess matches (both little endian) - */ - uint8_t mavlink_type; - - if (type == PARAM_TYPE_INT32) { - mavlink_type = MAVLINK_TYPE_INT32_T; - - } else if (type == PARAM_TYPE_FLOAT) { - mavlink_type = MAVLINK_TYPE_FLOAT; - - } else { - mavlink_type = MAVLINK_TYPE_FLOAT; - } - - /* - * get param value, since MAVLink encodes float and int params in the same - * space during transmission, copy param onto float val_buf + * Check if the OS buffer is full and disable HW + * flow control if it continues to be full */ + int buf_free = 0; + (void) ioctl(_uart_fd, FIONWRITE, (unsigned long)&buf_free); - int ret; - - if ((ret = param_get(param, &val_buf)) != OK) { - return ret; + if (get_flow_control_enabled() && buf_free < TX_BUFFER_GAP) { + /* Disable hardware flow control: + * if no successful write since a defined time + * and if the last try was not the last successful write + */ + if (_last_write_try_time != 0 && + hrt_elapsed_time(&_last_write_success_time) > 500 * 1000UL && + _last_write_success_time != _last_write_try_time) { + warnx("DISABLING HARDWARE FLOW CONTROL"); + enable_flow_control(false); + } } - mavlink_msg_param_value_pack_chan(mavlink_system.sysid, - mavlink_system.compid, - _channel, - &tx_msg, - name_buf, - val_buf, - mavlink_type, - param_count(), - param_get_index(param)); - mavlink_missionlib_send_message(&tx_msg); - return OK; + return buf_free; } -void Mavlink::mavlink_pm_message_handler(const mavlink_channel_t chan, const mavlink_message_t *msg) +void +Mavlink::send_message(const uint8_t msgid, const void *msg) { - switch (msg->msgid) { - case MAVLINK_MSG_ID_PARAM_REQUEST_LIST: { - /* Start sending parameters */ - mavlink_pm_start_queued_send(); - mavlink_missionlib_send_gcs_string("[mavlink pm] sending list"); - } break; - - case MAVLINK_MSG_ID_PARAM_SET: { - - /* Handle parameter setting */ - - if (msg->msgid == MAVLINK_MSG_ID_PARAM_SET) { - mavlink_param_set_t mavlink_param_set; - mavlink_msg_param_set_decode(msg, &mavlink_param_set); - - if (mavlink_param_set.target_system == mavlink_system.sysid && ((mavlink_param_set.target_component == mavlink_system.compid) || (mavlink_param_set.target_component == MAV_COMP_ID_ALL))) { - /* local name buffer to enforce null-terminated string */ - char name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN + 1]; - strncpy(name, mavlink_param_set.param_id, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN); - /* enforce null termination */ - name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN] = '\0'; - /* attempt to find parameter, set and send it */ - param_t param = param_find(name); - - if (param == PARAM_INVALID) { - char buf[MAVLINK_MSG_STATUSTEXT_FIELD_TEXT_LEN]; - sprintf(buf, "[mavlink pm] unknown: %s", name); - mavlink_missionlib_send_gcs_string(buf); - - } else { - /* set and send parameter */ - param_set(param, &(mavlink_param_set.param_value)); - mavlink_pm_send_param(param); - } - } - } - } break; - - case MAVLINK_MSG_ID_PARAM_REQUEST_READ: { - mavlink_param_request_read_t mavlink_param_request_read; - mavlink_msg_param_request_read_decode(msg, &mavlink_param_request_read); - - if (mavlink_param_request_read.target_system == mavlink_system.sysid && ((mavlink_param_request_read.target_component == mavlink_system.compid) || (mavlink_param_request_read.target_component == MAV_COMP_ID_ALL))) { - /* when no index is given, loop through string ids and compare them */ - if (mavlink_param_request_read.param_index == -1) { - /* local name buffer to enforce null-terminated string */ - char name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN + 1]; - strncpy(name, mavlink_param_request_read.param_id, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN); - /* enforce null termination */ - name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN] = '\0'; - /* attempt to find parameter and send it */ - mavlink_pm_send_param_for_name(name); - - } else { - /* when index is >= 0, send this parameter again */ - mavlink_pm_send_param_for_index(mavlink_param_request_read.param_index); - } - } - - } break; + /* If the wait until transmit flag is on, only transmit after we've received messages. + Otherwise, transmit all the time. */ + if (!should_transmit()) { + return; } -} -void Mavlink::publish_mission() -{ - /* Initialize mission publication if necessary */ - if (_mission_pub < 0) { - _mission_pub = orb_advertise(ORB_ID(offboard_mission), &mission); + pthread_mutex_lock(&_send_mutex); - } else { - orb_publish(ORB_ID(offboard_mission), _mission_pub, &mission); - } -} + int buf_free = get_free_tx_buf(); -int Mavlink::map_mavlink_mission_item_to_mission_item(const mavlink_mission_item_t *mavlink_mission_item, struct mission_item_s *mission_item) -{ - /* only support global waypoints for now */ - switch (mavlink_mission_item->frame) { - case MAV_FRAME_GLOBAL: - mission_item->lat = (double)mavlink_mission_item->x; - mission_item->lon = (double)mavlink_mission_item->y; - mission_item->altitude = mavlink_mission_item->z; - mission_item->altitude_is_relative = false; - break; - - case MAV_FRAME_GLOBAL_RELATIVE_ALT: - mission_item->lat = (double)mavlink_mission_item->x; - mission_item->lon = (double)mavlink_mission_item->y; - mission_item->altitude = mavlink_mission_item->z; - mission_item->altitude_is_relative = true; - break; + uint8_t payload_len = mavlink_message_lengths[msgid]; + unsigned packet_len = payload_len + MAVLINK_NUM_NON_PAYLOAD_BYTES; - case MAV_FRAME_LOCAL_NED: - case MAV_FRAME_LOCAL_ENU: - return MAV_MISSION_UNSUPPORTED_FRAME; + _last_write_try_time = hrt_absolute_time(); - case MAV_FRAME_MISSION: - default: - return MAV_MISSION_ERROR; + /* check if there is space in the buffer, let it overflow else */ + if (buf_free < TX_BUFFER_GAP) { + /* no enough space in buffer to send */ + count_txerr(); + count_txerrbytes(packet_len); + pthread_mutex_unlock(&_send_mutex); + return; } - switch (mavlink_mission_item->command) { - case MAV_CMD_NAV_TAKEOFF: - mission_item->pitch_min = mavlink_mission_item->param2; - break; + uint8_t buf[MAVLINK_MAX_PACKET_LEN]; - default: - mission_item->acceptance_radius = mavlink_mission_item->param2; - break; - } + /* header */ + buf[0] = MAVLINK_STX; + buf[1] = payload_len; + /* use mavlink's internal counter for the TX seq */ + buf[2] = mavlink_get_channel_status(_channel)->current_tx_seq++; + buf[3] = mavlink_system.sysid; + buf[4] = mavlink_system.compid; + buf[5] = msgid; - mission_item->yaw = _wrap_pi(mavlink_mission_item->param4 * M_DEG_TO_RAD_F); - mission_item->loiter_radius = fabsf(mavlink_mission_item->param3); - mission_item->loiter_direction = (mavlink_mission_item->param3 > 0) ? 1 : -1; /* 1 if positive CW, -1 if negative CCW */ - mission_item->nav_cmd = (NAV_CMD)mavlink_mission_item->command; + /* payload */ + memcpy(&buf[MAVLINK_NUM_HEADER_BYTES], msg, payload_len); - mission_item->time_inside = mavlink_mission_item->param1; - mission_item->autocontinue = mavlink_mission_item->autocontinue; - // mission_item->index = mavlink_mission_item->seq; - mission_item->origin = ORIGIN_MAVLINK; + /* checksum */ + uint16_t checksum; + crc_init(&checksum); + crc_accumulate_buffer(&checksum, (const char *) &buf[1], MAVLINK_CORE_HEADER_LEN + payload_len); + crc_accumulate(mavlink_message_crcs[msgid], &checksum); - return OK; -} + buf[MAVLINK_NUM_HEADER_BYTES + payload_len] = (uint8_t)(checksum & 0xFF); + buf[MAVLINK_NUM_HEADER_BYTES + payload_len + 1] = (uint8_t)(checksum >> 8); -int Mavlink::map_mission_item_to_mavlink_mission_item(const struct mission_item_s *mission_item, mavlink_mission_item_t *mavlink_mission_item) -{ - if (mission_item->altitude_is_relative) { - mavlink_mission_item->frame = MAV_FRAME_GLOBAL; + /* send message to UART */ + ssize_t ret = write(_uart_fd, buf, packet_len); - } else { - mavlink_mission_item->frame = MAV_FRAME_GLOBAL_RELATIVE_ALT; - } + if (ret != (int) packet_len) { + count_txerr(); + count_txerrbytes(packet_len); - switch (mission_item->nav_cmd) { - case NAV_CMD_TAKEOFF: - mavlink_mission_item->param2 = mission_item->pitch_min; - break; - - default: - mavlink_mission_item->param2 = mission_item->acceptance_radius; - break; + } else { + _last_write_success_time = _last_write_try_time; + count_txbytes(packet_len); } - mavlink_mission_item->x = (float)mission_item->lat; - mavlink_mission_item->y = (float)mission_item->lon; - mavlink_mission_item->z = mission_item->altitude; - - mavlink_mission_item->param4 = mission_item->yaw * M_RAD_TO_DEG_F; - mavlink_mission_item->param3 = mission_item->loiter_radius * (float)mission_item->loiter_direction; - mavlink_mission_item->command = mission_item->nav_cmd; - mavlink_mission_item->param1 = mission_item->time_inside; - mavlink_mission_item->autocontinue = mission_item->autocontinue; - // mavlink_mission_item->seq = mission_item->index; - - return OK; + pthread_mutex_unlock(&_send_mutex); } -void Mavlink::mavlink_wpm_init(mavlink_wpm_storage *state) -{ - state->size = 0; - state->max_size = MAVLINK_WPM_MAX_WP_COUNT; - state->current_state = MAVLINK_WPM_STATE_IDLE; - state->current_partner_sysid = 0; - state->current_partner_compid = 0; - state->timestamp_lastaction = 0; - state->timestamp_last_send_setpoint = 0; - state->timeout = MAVLINK_WPM_PROTOCOL_TIMEOUT_DEFAULT; - state->current_dataman_id = 0; -} - -/* - * @brief Sends an waypoint ack message - */ -void Mavlink::mavlink_wpm_send_waypoint_ack(uint8_t sysid, uint8_t compid, uint8_t type) -{ - mavlink_message_t msg; - mavlink_mission_ack_t wpa; - - wpa.target_system = sysid; - wpa.target_component = compid; - wpa.type = type; - - mavlink_msg_mission_ack_encode_chan(mavlink_system.sysid, _mavlink_wpm_comp_id, _channel, &msg, &wpa); - mavlink_missionlib_send_message(&msg); - - if (_verbose) { warnx("Sent waypoint ack (%u) to ID %u", wpa.type, wpa.target_system); } -} - -/* - * @brief Broadcasts the new target waypoint and directs the MAV to fly there - * - * This function broadcasts its new active waypoint sequence number and - * sends a message to the controller, advising it to fly to the coordinates - * of the waypoint with a given orientation - * - * @param seq The waypoint sequence number the MAV should fly to. - */ -void Mavlink::mavlink_wpm_send_waypoint_current(uint16_t seq) +void +Mavlink::resend_message(mavlink_message_t *msg) { - if (seq < _wpm->size) { - mavlink_message_t msg; - mavlink_mission_current_t wpc; - - wpc.seq = seq; + /* If the wait until transmit flag is on, only transmit after we've received messages. + Otherwise, transmit all the time. */ + if (!should_transmit()) { + return; + } - mavlink_msg_mission_current_encode_chan(mavlink_system.sysid, _mavlink_wpm_comp_id, _channel, &msg, &wpc); - mavlink_missionlib_send_message(&msg); + pthread_mutex_lock(&_send_mutex); - } else if (seq == 0 && _wpm->size == 0) { + int buf_free = get_free_tx_buf(); - /* don't broadcast if no WPs */ + _last_write_try_time = hrt_absolute_time(); - } else { - mavlink_missionlib_send_gcs_string("ERROR: wp index out of bounds"); + unsigned packet_len = msg->len + MAVLINK_NUM_NON_PAYLOAD_BYTES; - if (_verbose) { warnx("ERROR: index out of bounds"); } + /* check if there is space in the buffer, let it overflow else */ + if (buf_free < TX_BUFFER_GAP) { + /* no enough space in buffer to send */ + count_txerr(); + count_txerrbytes(packet_len); + pthread_mutex_unlock(&_send_mutex); + return; } -} -void Mavlink::mavlink_wpm_send_waypoint_count(uint8_t sysid, uint8_t compid, uint16_t count) -{ - mavlink_message_t msg; - mavlink_mission_count_t wpc; + uint8_t buf[MAVLINK_MAX_PACKET_LEN]; - wpc.target_system = sysid; - wpc.target_component = compid; - wpc.count = mission.count; + /* header and payload */ + memcpy(&buf[0], &msg->magic, MAVLINK_NUM_HEADER_BYTES + msg->len); - mavlink_msg_mission_count_encode_chan(mavlink_system.sysid, _mavlink_wpm_comp_id, _channel, &msg, &wpc); - mavlink_missionlib_send_message(&msg); + /* checksum */ + buf[MAVLINK_NUM_HEADER_BYTES + msg->len] = (uint8_t)(msg->checksum & 0xFF); + buf[MAVLINK_NUM_HEADER_BYTES + msg->len + 1] = (uint8_t)(msg->checksum >> 8); - if (_verbose) { warnx("Sent waypoint count (%u) to ID %u", wpc.count, wpc.target_system); } -} + /* send message to UART */ + ssize_t ret = write(_uart_fd, buf, packet_len); -void Mavlink::mavlink_wpm_send_waypoint(uint8_t sysid, uint8_t compid, uint16_t seq) -{ - - struct mission_item_s mission_item; - ssize_t len = sizeof(struct mission_item_s); - - dm_item_t dm_current; - - if (_wpm->current_dataman_id == 0) { - dm_current = DM_KEY_WAYPOINTS_OFFBOARD_0; + if (ret != (int) packet_len) { + count_txerr(); + count_txerrbytes(packet_len); } else { - dm_current = DM_KEY_WAYPOINTS_OFFBOARD_1; + _last_write_success_time = _last_write_try_time; + count_txbytes(packet_len); } - if (dm_read(dm_current, seq, &mission_item, len) == len) { - - /* create mission_item_s from mavlink_mission_item_t */ - mavlink_mission_item_t wp; - map_mission_item_to_mavlink_mission_item(&mission_item, &wp); - - mavlink_message_t msg; - wp.target_system = sysid; - wp.target_component = compid; - wp.seq = seq; - mavlink_msg_mission_item_encode_chan(mavlink_system.sysid, _mavlink_wpm_comp_id, _channel, &msg, &wp); - mavlink_missionlib_send_message(&msg); - - if (_verbose) { warnx("Sent waypoint %u to ID %u", wp.seq, wp.target_system); } - - } else { - mavlink_wpm_send_waypoint_ack(_wpm->current_partner_sysid, _wpm->current_partner_compid, MAV_MISSION_ERROR); - - if (_verbose) { warnx("ERROR: could not read WP%u", seq); } - } + pthread_mutex_unlock(&_send_mutex); } -void Mavlink::mavlink_wpm_send_waypoint_request(uint8_t sysid, uint8_t compid, uint16_t seq) +void +Mavlink::handle_message(const mavlink_message_t *msg) { - if (seq < _wpm->max_size) { - mavlink_message_t msg; - mavlink_mission_request_t wpr; - wpr.target_system = sysid; - wpr.target_component = compid; - wpr.seq = seq; - mavlink_msg_mission_request_encode_chan(mavlink_system.sysid, _mavlink_wpm_comp_id, _channel, &msg, &wpr); - mavlink_missionlib_send_message(&msg); + /* handle packet with mission manager */ + _mission_manager->handle_message(msg); - if (_verbose) { warnx("Sent waypoint request %u to ID %u", wpr.seq, wpr.target_system); } + /* handle packet with parameter component */ + _parameters_manager->handle_message(msg); - } else { - mavlink_missionlib_send_gcs_string("ERROR: Waypoint index exceeds list capacity"); - - if (_verbose) { warnx("ERROR: Waypoint index exceeds list capacity"); } + if (get_forwarding_on()) { + /* forward any messages to other mavlink instances */ + Mavlink::forward_message(msg, this); } } -/* - * @brief emits a message that a waypoint reached - * - * This function broadcasts a message that a waypoint is reached. - * - * @param seq The waypoint sequence number the MAV has reached. - */ -void Mavlink::mavlink_wpm_send_waypoint_reached(uint16_t seq) -{ - mavlink_message_t msg; - mavlink_mission_item_reached_t wp_reached; - - wp_reached.seq = seq; - - mavlink_msg_mission_item_reached_encode_chan(mavlink_system.sysid, _mavlink_wpm_comp_id, _channel, &msg, &wp_reached); - mavlink_missionlib_send_message(&msg); - - if (_verbose) { warnx("Sent waypoint %u reached message", wp_reached.seq); } -} - -void Mavlink::mavlink_waypoint_eventloop(uint64_t now) +void +Mavlink::send_statustext_info(const char *string) { - /* check for timed-out operations */ - if (now - _wpm->timestamp_lastaction > _wpm->timeout && _wpm->current_state != MAVLINK_WPM_STATE_IDLE) { - - mavlink_missionlib_send_gcs_string("Operation timeout"); - - if (_verbose) { warnx("Last operation (state=%u) timed out, changing state to MAVLINK_WPM_STATE_IDLE", _wpm->current_state); } - - _wpm->current_state = MAVLINK_WPM_STATE_IDLE; - _wpm->current_partner_sysid = 0; - _wpm->current_partner_compid = 0; - } + send_statustext(MAV_SEVERITY_INFO, string); } - -void Mavlink::mavlink_wpm_message_handler(const mavlink_message_t *msg) +void +Mavlink::send_statustext_critical(const char *string) { - uint64_t now = hrt_absolute_time(); - - switch (msg->msgid) { - - case MAVLINK_MSG_ID_MISSION_ACK: { - mavlink_mission_ack_t wpa; - mavlink_msg_mission_ack_decode(msg, &wpa); - - if ((msg->sysid == _wpm->current_partner_sysid && msg->compid == _wpm->current_partner_compid) && (wpa.target_system == mavlink_system.sysid /*&& wpa.target_component == mavlink_wpm_comp_id*/)) { - _wpm->timestamp_lastaction = now; - - if (_wpm->current_state == MAVLINK_WPM_STATE_SENDLIST || _wpm->current_state == MAVLINK_WPM_STATE_SENDLIST_SENDWPS) { - if (_wpm->current_wp_id == _wpm->size - 1) { - - _wpm->current_state = MAVLINK_WPM_STATE_IDLE; - _wpm->current_wp_id = 0; - } - } - - } else { - mavlink_missionlib_send_gcs_string("REJ. WP CMD: curr partner id mismatch"); - - if (_verbose) { warnx("REJ. WP CMD: curr partner id mismatch"); } - } - - break; - } - - case MAVLINK_MSG_ID_MISSION_SET_CURRENT: { - mavlink_mission_set_current_t wpc; - mavlink_msg_mission_set_current_decode(msg, &wpc); - - if (wpc.target_system == mavlink_system.sysid /*&& wpc.target_component == mavlink_wpm_comp_id*/) { - _wpm->timestamp_lastaction = now; - - if (_wpm->current_state == MAVLINK_WPM_STATE_IDLE) { - if (wpc.seq < _wpm->size) { - - mission.current_index = wpc.seq; - publish_mission(); - - /* don't answer yet, wait for the navigator to respond, then publish the mission_result */ -// mavlink_wpm_send_waypoint_current(wpc.seq); - - } else { - mavlink_missionlib_send_gcs_string("IGN WP CURR CMD: Not in list"); - - if (_verbose) { warnx("IGN WP CURR CMD: Not in list"); } - } - - } else { - mavlink_missionlib_send_gcs_string("IGN WP CURR CMD: Busy"); - - if (_verbose) { warnx("IGN WP CURR CMD: Busy"); } - - } - - } else { - mavlink_missionlib_send_gcs_string("REJ. WP CMD: target id mismatch"); - - if (_verbose) { warnx("REJ. WP CMD: target id mismatch"); } - } - - break; - } - - case MAVLINK_MSG_ID_MISSION_REQUEST_LIST: { - mavlink_mission_request_list_t wprl; - mavlink_msg_mission_request_list_decode(msg, &wprl); - - if (wprl.target_system == mavlink_system.sysid /*&& wprl.target_component == mavlink_wpm_comp_id*/) { - _wpm->timestamp_lastaction = now; - - if (_wpm->current_state == MAVLINK_WPM_STATE_IDLE || _wpm->current_state == MAVLINK_WPM_STATE_SENDLIST) { - if (_wpm->size > 0) { - - _wpm->current_state = MAVLINK_WPM_STATE_SENDLIST; - _wpm->current_wp_id = 0; - _wpm->current_partner_sysid = msg->sysid; - _wpm->current_partner_compid = msg->compid; - - } else { - if (_verbose) { warnx("No waypoints send"); } - } - - _wpm->current_count = _wpm->size; - mavlink_wpm_send_waypoint_count(msg->sysid, msg->compid, _wpm->current_count); - - } else { - mavlink_missionlib_send_gcs_string("IGN REQUEST LIST: Busy"); - - if (_verbose) { warnx("IGN REQUEST LIST: Busy"); } - } - - } else { - mavlink_missionlib_send_gcs_string("REJ. REQUEST LIST: target id mismatch"); - - if (_verbose) { warnx("REJ. REQUEST LIST: target id mismatch"); } - } - - break; - } - - case MAVLINK_MSG_ID_MISSION_REQUEST: { - mavlink_mission_request_t wpr; - mavlink_msg_mission_request_decode(msg, &wpr); - - if (msg->sysid == _wpm->current_partner_sysid && msg->compid == _wpm->current_partner_compid && wpr.target_system == mavlink_system.sysid /*&& wpr.target_component == mavlink_wpm_comp_id*/) { - _wpm->timestamp_lastaction = now; - - if (wpr.seq >= _wpm->size) { - - mavlink_missionlib_send_gcs_string("REJ. WP CMD: Req. WP not in list"); - - if (_verbose) { warnx("Ignored MAVLINK_MSG_ID_MISSION_ITEM_REQUEST because the requested waypoint ID (%u) was out of bounds.", wpr.seq); } - - break; - } - - /* - * Ensure that we are in the correct state and that the first request has id 0 - * and the following requests have either the last id (re-send last waypoint) or last_id+1 (next waypoint) - */ - if (_wpm->current_state == MAVLINK_WPM_STATE_SENDLIST) { - - if (wpr.seq == 0) { - if (_verbose) { warnx("Got MAVLINK_MSG_ID_MISSION_ITEM_REQUEST of waypoint %u from %u changing state to MAVLINK_WPM_STATE_SENDLIST_SENDWPS", wpr.seq, msg->sysid); } - - _wpm->current_state = MAVLINK_WPM_STATE_SENDLIST_SENDWPS; - - } else { - mavlink_missionlib_send_gcs_string("REJ. WP CMD: First id != 0"); - - if (_verbose) { warnx("REJ. WP CMD: First id != 0"); } - - break; - } - - } else if (_wpm->current_state == MAVLINK_WPM_STATE_SENDLIST_SENDWPS) { - - if (wpr.seq == _wpm->current_wp_id) { - - if (_verbose) { warnx("Got MAVLINK_MSG_ID_MISSION_ITEM_REQUEST of waypoint %u (again) from %u staying in state MAVLINK_WPM_STATE_SENDLIST_SENDWPS", wpr.seq, msg->sysid); } - - } else if (wpr.seq == _wpm->current_wp_id + 1) { - - if (_verbose) { warnx("Got MAVLINK_MSG_ID_MISSION_ITEM_REQUEST of waypoint %u from %u staying in state MAVLINK_WPM_STATE_SENDLIST_SENDWPS", wpr.seq, msg->sysid); } - - } else { - mavlink_missionlib_send_gcs_string("REJ. WP CMD: Req. WP was unexpected"); - - if (_verbose) { warnx("Ignored MAVLINK_MSG_ID_MISSION_ITEM_REQUEST because the requested waypoint ID (%u) was not the expected (%u or %u).", wpr.seq, _wpm->current_wp_id, _wpm->current_wp_id + 1); } - - break; - } - - } else { - - mavlink_missionlib_send_gcs_string("REJ. WP CMD: Busy"); - - if (_verbose) { warnx("Ignored MAVLINK_MSG_ID_MISSION_ITEM_REQUEST because i'm doing something else already (state=%i).", _wpm->current_state); } - - break; - } - - _wpm->current_wp_id = wpr.seq; - _wpm->current_state = MAVLINK_WPM_STATE_SENDLIST_SENDWPS; - - if (wpr.seq < _wpm->size) { - - mavlink_wpm_send_waypoint(_wpm->current_partner_sysid, _wpm->current_partner_compid, _wpm->current_wp_id); - - } else { - mavlink_wpm_send_waypoint_ack(_wpm->current_partner_sysid, _wpm->current_partner_compid, MAV_MISSION_ERROR); - - if (_verbose) { warnx("ERROR: Waypoint %u out of bounds", wpr.seq); } - } - - - } else { - //we we're target but already communicating with someone else - if ((wpr.target_system == mavlink_system.sysid /*&& wpr.target_component == mavlink_wpm_comp_id*/) && !(msg->sysid == _wpm->current_partner_sysid && msg->compid == _wpm->current_partner_compid)) { - - mavlink_missionlib_send_gcs_string("REJ. WP CMD: Busy"); - - if (_verbose) { warnx("Ignored MAVLINK_MSG_ID_MISSION_ITEM_REQUEST from ID %u because i'm already talking to ID %u.", msg->sysid, _wpm->current_partner_sysid); } - - } else { - - mavlink_missionlib_send_gcs_string("REJ. WP CMD: target id mismatch"); - - if (_verbose) { warnx("IGNORED WAYPOINT COMMAND BECAUSE TARGET SYSTEM AND COMPONENT OR COMM PARTNER ID MISMATCH"); } - } - } - - break; - } - - case MAVLINK_MSG_ID_MISSION_COUNT: { - mavlink_mission_count_t wpc; - mavlink_msg_mission_count_decode(msg, &wpc); - - if (wpc.target_system == mavlink_system.sysid/* && wpc.target_component == mavlink_wpm_comp_id*/) { - _wpm->timestamp_lastaction = now; - - if (_wpm->current_state == MAVLINK_WPM_STATE_IDLE) { - - if (wpc.count > NUM_MISSIONS_SUPPORTED) { - if (_verbose) { warnx("Too many waypoints: %d, supported: %d", wpc.count, NUM_MISSIONS_SUPPORTED); } - - mavlink_wpm_send_waypoint_ack(_wpm->current_partner_sysid, _wpm->current_partner_compid, MAV_MISSION_NO_SPACE); - break; - } - - if (wpc.count == 0) { - mavlink_missionlib_send_gcs_string("COUNT 0"); - - if (_verbose) { warnx("got waypoint count of 0, clearing waypoint list and staying in state MAVLINK_WPM_STATE_IDLE"); } - - break; - } - - if (_verbose) { warnx("Got MAVLINK_MSG_ID_MISSION_ITEM_COUNT (%u) from %u changing state to MAVLINK_WPM_STATE_GETLIST", wpc.count, msg->sysid); } - - _wpm->current_state = MAVLINK_WPM_STATE_GETLIST; - _wpm->current_wp_id = 0; - _wpm->current_partner_sysid = msg->sysid; - _wpm->current_partner_compid = msg->compid; - _wpm->current_count = wpc.count; - - mavlink_wpm_send_waypoint_request(_wpm->current_partner_sysid, _wpm->current_partner_compid, _wpm->current_wp_id); - - } else if (_wpm->current_state == MAVLINK_WPM_STATE_GETLIST) { - - if (_wpm->current_wp_id == 0) { - mavlink_missionlib_send_gcs_string("WP CMD OK AGAIN"); - - if (_verbose) { warnx("Got MAVLINK_MSG_ID_MISSION_ITEM_COUNT (%u) again from %u", wpc.count, msg->sysid); } - - } else { - mavlink_missionlib_send_gcs_string("REJ. WP CMD: Busy"); - - if (_verbose) { warnx("Ignored MAVLINK_MSG_ID_MISSION_ITEM_COUNT because i'm already receiving waypoint %u.", _wpm->current_wp_id); } - } - - } else { - mavlink_missionlib_send_gcs_string("IGN MISSION_COUNT CMD: Busy"); - - if (_verbose) { warnx("IGN MISSION_COUNT CMD: Busy"); } - } - - } else { - - mavlink_missionlib_send_gcs_string("REJ. WP COUNT CMD: target id mismatch"); - - if (_verbose) { warnx("IGNORED WAYPOINT COUNT COMMAND BECAUSE TARGET SYSTEM AND COMPONENT OR COMM PARTNER ID MISMATCH"); } - } - } - break; - - case MAVLINK_MSG_ID_MISSION_ITEM: { - mavlink_mission_item_t wp; - mavlink_msg_mission_item_decode(msg, &wp); - - if (wp.target_system == mavlink_system.sysid && wp.target_component == _mavlink_wpm_comp_id) { - - _wpm->timestamp_lastaction = now; - - /* - * ensure that we are in the correct state and that the first waypoint has id 0 - * and the following waypoints have the correct ids - */ - - if (_wpm->current_state == MAVLINK_WPM_STATE_GETLIST) { - - if (wp.seq != 0) { - mavlink_missionlib_send_gcs_string("Ignored MISSION_ITEM WP not 0"); - warnx("Ignored MAVLINK_MSG_ID_MISSION_ITEM because the first waypoint ID (%u) was not 0.", wp.seq); - break; - } - - } else if (_wpm->current_state == MAVLINK_WPM_STATE_GETLIST_GETWPS) { - - if (wp.seq >= _wpm->current_count) { - mavlink_missionlib_send_gcs_string("Ignored MISSION_ITEM WP out of bounds"); - warnx("Ignored MAVLINK_MSG_ID_MISSION_ITEM because the waypoint ID (%u) was out of bounds.", wp.seq); - break; - } - - if (wp.seq != _wpm->current_wp_id) { - warnx("Ignored MAVLINK_MSG_ID_MISSION_ITEM because the waypoint ID (%u) was not the expected %u.", wp.seq, _wpm->current_wp_id); - mavlink_wpm_send_waypoint_request(_wpm->current_partner_sysid, _wpm->current_partner_compid, _wpm->current_wp_id); - break; - } - } - - _wpm->current_state = MAVLINK_WPM_STATE_GETLIST_GETWPS; - - struct mission_item_s mission_item; - - int ret = map_mavlink_mission_item_to_mission_item(&wp, &mission_item); - - if (ret != OK) { - mavlink_wpm_send_waypoint_ack(_wpm->current_partner_sysid, _wpm->current_partner_compid, ret); - _wpm->current_state = MAVLINK_WPM_STATE_IDLE; - break; - } - - ssize_t len = sizeof(struct mission_item_s); - - dm_item_t dm_next; - - if (_wpm->current_dataman_id == 0) { - dm_next = DM_KEY_WAYPOINTS_OFFBOARD_1; - mission.dataman_id = 1; - - } else { - dm_next = DM_KEY_WAYPOINTS_OFFBOARD_0; - mission.dataman_id = 0; - } - - if (dm_write(dm_next, wp.seq, DM_PERSIST_IN_FLIGHT_RESET, &mission_item, len) != len) { - mavlink_wpm_send_waypoint_ack(_wpm->current_partner_sysid, _wpm->current_partner_compid, MAV_MISSION_ERROR); - _wpm->current_state = MAVLINK_WPM_STATE_IDLE; - break; - } - -// if (wp.current) { -// warnx("current is: %d", wp.seq); -// mission.current_index = wp.seq; -// } - // XXX ignore current set - mission.current_index = -1; - - _wpm->current_wp_id = wp.seq + 1; - - if (_wpm->current_wp_id == _wpm->current_count && _wpm->current_state == MAVLINK_WPM_STATE_GETLIST_GETWPS) { - - if (_verbose) { warnx("Got all %u waypoints, changing state to MAVLINK_WPM_STATE_IDLE", _wpm->current_count); } - - mavlink_wpm_send_waypoint_ack(_wpm->current_partner_sysid, _wpm->current_partner_compid, MAV_MISSION_ACCEPTED); - - mission.count = _wpm->current_count; - - publish_mission(); - - _wpm->current_dataman_id = mission.dataman_id; - _wpm->size = _wpm->current_count; - - _wpm->current_state = MAVLINK_WPM_STATE_IDLE; - - } else { - mavlink_wpm_send_waypoint_request(_wpm->current_partner_sysid, _wpm->current_partner_compid, _wpm->current_wp_id); - } - - } else { - mavlink_missionlib_send_gcs_string("REJ. WP CMD: target id mismatch"); - - if (_verbose) { warnx("IGNORED WAYPOINT COMMAND BECAUSE TARGET SYSTEM AND COMPONENT OR COMM PARTNER ID MISMATCH"); } - } - - break; - } - - case MAVLINK_MSG_ID_MISSION_CLEAR_ALL: { - mavlink_mission_clear_all_t wpca; - mavlink_msg_mission_clear_all_decode(msg, &wpca); - - if (wpca.target_system == mavlink_system.sysid /*&& wpca.target_component == mavlink_wpm_comp_id */) { - - if (_wpm->current_state == MAVLINK_WPM_STATE_IDLE) { - _wpm->timestamp_lastaction = now; - - _wpm->size = 0; - - /* prepare mission topic */ - mission.dataman_id = -1; - mission.count = 0; - mission.current_index = -1; - publish_mission(); - - if (dm_clear(DM_KEY_WAYPOINTS_OFFBOARD_0) == OK && dm_clear(DM_KEY_WAYPOINTS_OFFBOARD_1) == OK) { - mavlink_wpm_send_waypoint_ack(_wpm->current_partner_sysid, _wpm->current_partner_compid, MAV_MISSION_ACCEPTED); - - } else { - mavlink_wpm_send_waypoint_ack(_wpm->current_partner_sysid, _wpm->current_partner_compid, MAV_MISSION_ERROR); - } - - - } else { - mavlink_missionlib_send_gcs_string("IGN WP CLEAR CMD: Busy"); - - if (_verbose) { warnx("IGN WP CLEAR CMD: Busy"); } - } - - - } else if (wpca.target_system == mavlink_system.sysid /*&& wpca.target_component == mavlink_wpm_comp_id */ && _wpm->current_state != MAVLINK_WPM_STATE_IDLE) { - - mavlink_missionlib_send_gcs_string("REJ. WP CLERR CMD: target id mismatch"); - - if (_verbose) { warnx("IGNORED WAYPOINT CLEAR COMMAND BECAUSE TARGET SYSTEM AND COMPONENT OR COMM PARTNER ID MISMATCH"); } - } - - break; - } - - default: { - /* other messages might should get caught by mavlink and others */ - break; - } - } + send_statustext(MAV_SEVERITY_CRITICAL, string); } void -Mavlink::mavlink_missionlib_send_message(mavlink_message_t *msg) +Mavlink::send_statustext_emergency(const char *string) { - uint16_t len = mavlink_msg_to_send_buffer(missionlib_msg_buf, msg); - - mavlink_send_uart_bytes(_channel, missionlib_msg_buf, len); + send_statustext(MAV_SEVERITY_EMERGENCY, string); } - - -int -Mavlink::mavlink_missionlib_send_gcs_string(const char *string) +void +Mavlink::send_statustext(unsigned char severity, const char *string) { - const int len = MAVLINK_MSG_STATUSTEXT_FIELD_TEXT_LEN; - mavlink_statustext_t statustext; - int i = 0; - - while (i < len - 1) { - statustext.text[i] = string[i]; - - if (string[i] == '\0') { - break; - } + struct mavlink_logmessage logmsg; + strncpy(logmsg.text, string, sizeof(logmsg.text)); + logmsg.severity = severity; - i++; - } - - if (i > 1) { - /* Enforce null termination */ - statustext.text[i] = '\0'; - - mavlink_msg_statustext_send(_channel, statustext.severity, statustext.text); - return OK; - - } else { - return 1; - } + mavlink_logbuffer_write(&_logbuffer, &logmsg); } MavlinkOrbSubscription *Mavlink::add_orb_subscription(const orb_id_t topic) @@ -1579,11 +913,17 @@ MavlinkOrbSubscription *Mavlink::add_orb_subscription(const orb_id_t topic) return sub_new; } +unsigned int +Mavlink::interval_from_rate(float rate) +{ + return (rate > 0.0f) ? (1000000.0f / rate) : 0; +} + int Mavlink::configure_stream(const char *stream_name, const float rate) { /* calculate interval in us, 0 means disabled stream */ - unsigned int interval = (rate > 0.0f) ? (1000000.0f / rate) : 0; + unsigned int interval = interval_from_rate(rate); /* search if stream exists */ MavlinkStream *stream; @@ -1597,35 +937,63 @@ Mavlink::configure_stream(const char *stream_name, const float rate) /* delete stream */ LL_DELETE(_streams, stream); delete stream; + warnx("deleted stream %s", stream->get_name()); } return OK; } } - if (interval > 0) { - /* search for stream with specified name in supported streams list */ - for (unsigned int i = 0; streams_list[i] != nullptr; i++) { - if (strcmp(stream_name, streams_list[i]->get_name()) == 0) { - /* create new instance */ - stream = streams_list[i]->new_instance(); - stream->set_channel(get_channel()); - stream->set_interval(interval); - stream->subscribe(this); - LL_APPEND(_streams, stream); - return OK; - } - } - - } else { - /* stream not found, nothing to disable */ + if (interval == 0) { + /* stream was not active and is requested to be disabled, do nothing */ return OK; } + /* search for stream with specified name in supported streams list */ + for (unsigned int i = 0; streams_list[i] != nullptr; i++) { + + if (strcmp(stream_name, streams_list[i]->get_name()) == 0) { + /* create new instance */ + stream = streams_list[i]->new_instance(this); + stream->set_interval(interval); + LL_APPEND(_streams, stream); + + return OK; + } + } + + /* if we reach here, the stream list does not contain the stream */ + warnx("stream %s not found", stream_name); + return ERROR; } void +Mavlink::adjust_stream_rates(const float multiplier) +{ + /* do not allow to push us to zero */ + if (multiplier < 0.01f) { + return; + } + + /* search if stream exists */ + MavlinkStream *stream; + LL_FOREACH(_streams, stream) { + /* set new interval */ + unsigned interval = stream->get_interval(); + interval /= multiplier; + + /* allow max ~600 Hz */ + if (interval < 1600) { + interval = 1600; + } + + /* set new interval */ + stream->set_interval(interval * multiplier); + } +} + +void Mavlink::configure_stream_threadsafe(const char *stream_name, const float rate) { /* orb subscription must be done from the main thread, @@ -1656,11 +1024,23 @@ Mavlink::configure_stream_threadsafe(const char *stream_name, const float rate) int Mavlink::message_buffer_init(int size) { + _message_buffer.size = size; _message_buffer.write_ptr = 0; _message_buffer.read_ptr = 0; - _message_buffer.data = (char*)malloc(_message_buffer.size); - return (_message_buffer.data == 0) ? ERROR : OK; + _message_buffer.data = (char *)malloc(_message_buffer.size); + + int ret; + + if (_message_buffer.data == 0) { + ret = ERROR; + _message_buffer.size = 0; + + } else { + ret = OK; + } + + return ret; } void @@ -1692,7 +1072,7 @@ Mavlink::message_buffer_is_empty() bool -Mavlink::message_buffer_write(void *ptr, int size) +Mavlink::message_buffer_write(const void *ptr, int size) { // bytes available to write int available = _message_buffer.read_ptr - _message_buffer.write_ptr - 1; @@ -1759,7 +1139,7 @@ Mavlink::message_buffer_mark_read(int n) } void -Mavlink::pass_message(mavlink_message_t *msg) +Mavlink::pass_message(const mavlink_message_t *msg) { if (_passing_on) { /* size is 8 bytes plus variable payload */ @@ -1770,7 +1150,31 @@ Mavlink::pass_message(mavlink_message_t *msg) } } +float +Mavlink::get_rate_mult() +{ + return _rate_mult; +} +void +Mavlink::update_rate_mult() +{ + float const_rate = 0.0f; + float rate = 0.0f; + + MavlinkStream *stream; + LL_FOREACH(_streams, stream) { + if (stream->const_rate()) { + const_rate += stream->get_size() * 1000000.0f / stream->get_interval(); + + } else { + rate += stream->get_size() * 1000000.0f / stream->get_interval(); + } + } + + /* don't scale up rates, only scale down if needed */ + _rate_mult = fminf(1.0f, ((float)_datarate - const_rate) / rate); +} int Mavlink::task_main(int argc, char *argv[]) @@ -1788,7 +1192,7 @@ Mavlink::task_main(int argc, char *argv[]) * set error flag instead */ bool err_flag = false; - while ((ch = getopt(argc, argv, "b:r:d:m:fpvw")) != EOF) { + while ((ch = getopt(argc, argv, "b:r:d:m:fpvwx")) != EOF) { switch (ch) { case 'b': _baudrate = strtoul(optarg, NULL, 10); @@ -1844,6 +1248,10 @@ Mavlink::task_main(int argc, char *argv[]) _wait_to_transmit = true; break; + case 'x': + _ftp_on = true; + break; + default: err_flag = true; break; @@ -1888,8 +1296,6 @@ Mavlink::task_main(int argc, char *argv[]) break; } - _mavlink_wpm_comp_id = MAV_COMP_ID_MISSIONPLANNER; - warnx("data rate: %d Bytes/s, port: %s, baud: %d", _datarate, _device_name, _baudrate); /* flush stdout in case MAVLink is about to take it over */ @@ -1905,13 +1311,19 @@ Mavlink::task_main(int argc, char *argv[]) return ERROR; } + /* initialize send mutex */ + pthread_mutex_init(&_send_mutex, NULL); + /* initialize mavlink text message buffering */ mavlink_logbuffer_init(&_logbuffer, 5); /* if we are passing on mavlink messages, we need to prepare a buffer for this instance */ - if (_passing_on) { - /* initialize message buffer if multiplexing is on */ - if (OK != message_buffer_init(500)) { + if (_passing_on || _ftp_on) { + /* initialize message buffer if multiplexing is on or its needed for FTP. + * make space for two messages plus off-by-one space as we use the empty element + * marker ring buffer approach. + */ + if (OK != message_buffer_init(2 * sizeof(mavlink_message_t) + 1)) { errx(1, "can't allocate message buffer, exiting"); } @@ -1931,48 +1343,60 @@ Mavlink::task_main(int argc, char *argv[]) /* start the MAVLink receiver */ _receive_thread = MavlinkReceiver::receive_start(this); - /* initialize waypoint manager */ - mavlink_wpm_init(_wpm); - - int mission_result_sub = orb_subscribe(ORB_ID(mission_result)); - struct mission_result_s mission_result; - memset(&mission_result, 0, sizeof(mission_result)); - _task_running = true; MavlinkOrbSubscription *param_sub = add_orb_subscription(ORB_ID(parameter_update)); + uint64_t param_time = 0; MavlinkOrbSubscription *status_sub = add_orb_subscription(ORB_ID(vehicle_status)); + uint64_t status_time = 0; - struct vehicle_status_s *status = (struct vehicle_status_s *) status_sub->get_data(); - - MavlinkCommandsStream commands_stream(this, _channel); + struct vehicle_status_s status; + status_sub->update(&status_time, &status); - /* add default streams depending on mode and intervals depending on datarate */ - float rate_mult = _datarate / 1000.0f; + /* add default streams depending on mode */ + /* HEARTBEAT is constant rate stream, rate never adjusted */ configure_stream("HEARTBEAT", 1.0f); + /* STATUSTEXT stream is like normal stream but gets messages from logbuffer instead of uORB */ + configure_stream("STATUSTEXT", 20.0f); + + /* COMMAND_LONG stream: use high rate to avoid commands skipping */ + configure_stream("COMMAND_LONG", 100.0f); + + /* PARAM_VALUE stream */ + _parameters_manager = (MavlinkParametersManager *) MavlinkParametersManager::new_instance(this); + _parameters_manager->set_interval(interval_from_rate(30.0f)); + LL_APPEND(_streams, _parameters_manager); + + /* MISSION_STREAM stream, actually sends all MISSION_XXX messages at some rate depending on + * remote requests rate. Rate specified here controls how much bandwidth we will reserve for + * mission messages. */ + _mission_manager = (MavlinkMissionManager *) MavlinkMissionManager::new_instance(this); + _mission_manager->set_interval(interval_from_rate(10.0f)); + _mission_manager->set_verbose(_verbose); + LL_APPEND(_streams, _mission_manager); + switch (_mode) { case MAVLINK_MODE_NORMAL: configure_stream("SYS_STATUS", 1.0f); configure_stream("GPS_GLOBAL_ORIGIN", 0.5f); - configure_stream("HIGHRES_IMU", 1.0f * rate_mult); - configure_stream("ATTITUDE", 10.0f * rate_mult); - configure_stream("VFR_HUD", 10.0f * rate_mult); - configure_stream("GPS_RAW_INT", 1.0f * rate_mult); - configure_stream("GLOBAL_POSITION_INT", 3.0f * rate_mult); - configure_stream("LOCAL_POSITION_NED", 3.0f * rate_mult); - configure_stream("RC_CHANNELS_RAW", 1.0f * rate_mult); - configure_stream("NAMED_VALUE_FLOAT", 1.0f * rate_mult); - configure_stream("GLOBAL_POSITION_SETPOINT_INT", 3.0f * rate_mult); - configure_stream("ROLL_PITCH_YAW_THRUST_SETPOINT", 3.0f * rate_mult); + configure_stream("HIGHRES_IMU", 1.0f); + configure_stream("ATTITUDE", 10.0f); + configure_stream("VFR_HUD", 8.0f); + configure_stream("GPS_RAW_INT", 1.0f); + configure_stream("GLOBAL_POSITION_INT", 3.0f); + configure_stream("LOCAL_POSITION_NED", 3.0f); + configure_stream("RC_CHANNELS_RAW", 1.0f); + configure_stream("GLOBAL_POSITION_SETPOINT_INT", 3.0f); + configure_stream("ROLL_PITCH_YAW_THRUST_SETPOINT", 3.0f); configure_stream("DISTANCE_SENSOR", 0.5f); break; case MAVLINK_MODE_CAMERA: configure_stream("SYS_STATUS", 1.0f); - configure_stream("ATTITUDE", 15.0f * rate_mult); - configure_stream("GLOBAL_POSITION_INT", 15.0f * rate_mult); + configure_stream("ATTITUDE", 15.0f); + configure_stream("GLOBAL_POSITION_INT", 15.0f); configure_stream("CAMERA_CAPTURE", 1.0f); break; @@ -1980,14 +1404,8 @@ Mavlink::task_main(int argc, char *argv[]) break; } - /* don't send parameters on startup without request */ - _mavlink_param_queue_index = param_count(); - - MavlinkRateLimiter slow_rate_limiter(2000000.0f / rate_mult); - MavlinkRateLimiter fast_rate_limiter(30000.0f / rate_mult); - /* set main loop delay depending on data rate to minimize CPU overhead */ - _main_loop_delay = MAIN_LOOP_DELAY / rate_mult; + _main_loop_delay = MAIN_LOOP_DELAY * 1000 / _datarate; /* now the instance is fully initialized and we can bump the instance count */ LL_APPEND(_mavlink_instances, this); @@ -2000,31 +1418,31 @@ Mavlink::task_main(int argc, char *argv[]) hrt_abstime t = hrt_absolute_time(); - if (param_sub->update(t)) { + update_rate_mult(); + + if (param_sub->update(¶m_time, nullptr)) { /* parameters updated */ mavlink_update_system(); } - if (status_sub->update(t)) { + if (status_sub->update(&status_time, &status)) { /* switch HIL mode if required */ - set_hil_enabled(status->hil_state == HIL_STATE_ON); + set_hil_enabled(status.hil_state == HIL_STATE_ON); } - /* update commands stream */ - commands_stream.update(t); - /* check for requested subscriptions */ if (_subscribe_to_stream != nullptr) { if (OK == configure_stream(_subscribe_to_stream, _subscribe_to_stream_rate)) { if (_subscribe_to_stream_rate > 0.0f) { - warnx("stream %s on device %s enabled with rate %.1f Hz", _subscribe_to_stream, _device_name, _subscribe_to_stream_rate); + warnx("stream %s on device %s enabled with rate %.1f Hz", _subscribe_to_stream, _device_name, + (double)_subscribe_to_stream_rate); } else { warnx("stream %s on device %s disabled", _subscribe_to_stream, _device_name); } } else { - warnx("stream %s not found", _subscribe_to_stream, _device_name); + warnx("stream %s on device %s not found", _subscribe_to_stream, _device_name); } delete _subscribe_to_stream; @@ -2037,70 +1455,68 @@ Mavlink::task_main(int argc, char *argv[]) stream->update(t); } - bool updated; - orb_check(mission_result_sub, &updated); - - if (updated) { - orb_copy(ORB_ID(mission_result), mission_result_sub, &mission_result); + /* pass messages from other UARTs or FTP worker */ + if (_passing_on || _ftp_on) { - if (_verbose) { warnx("Got mission result: new current: %d", mission_result.index_current_mission); } - - if (mission_result.mission_reached) { - mavlink_wpm_send_waypoint_reached((uint16_t)mission_result.mission_index_reached); - } + bool is_part; + uint8_t *read_ptr; + uint8_t *write_ptr; - mavlink_wpm_send_waypoint_current((uint16_t)mission_result.index_current_mission); + pthread_mutex_lock(&_message_buffer_mutex); + int available = message_buffer_get_ptr((void **)&read_ptr, &is_part); + pthread_mutex_unlock(&_message_buffer_mutex); - } else { - if (slow_rate_limiter.check(t)) { - mavlink_wpm_send_waypoint_current((uint16_t)mission_result.index_current_mission); - } - } + if (available > 0) { + // Reconstruct message from buffer - if (fast_rate_limiter.check(t)) { - mavlink_pm_queued_send(); - mavlink_waypoint_eventloop(hrt_absolute_time()); + mavlink_message_t msg; + write_ptr = (uint8_t *)&msg; - if (!mavlink_logbuffer_is_empty(&_logbuffer)) { - struct mavlink_logmessage msg; - int lb_ret = mavlink_logbuffer_read(&_logbuffer, &msg); + // Pull a single message from the buffer + size_t read_count = available; - if (lb_ret == OK) { - mavlink_missionlib_send_gcs_string(msg.text); + if (read_count > sizeof(mavlink_message_t)) { + read_count = sizeof(mavlink_message_t); } - } - } - /* pass messages from other UARTs */ - if (_passing_on) { + memcpy(write_ptr, read_ptr, read_count); - bool is_part; - void *read_ptr; + // We hold the mutex until after we complete the second part of the buffer. If we don't + // we may end up breaking the empty slot overflow detection semantics when we mark the + // possibly partial read below. + pthread_mutex_lock(&_message_buffer_mutex); - /* guard get ptr by mutex */ - pthread_mutex_lock(&_message_buffer_mutex); - int available = message_buffer_get_ptr(&read_ptr, &is_part); - pthread_mutex_unlock(&_message_buffer_mutex); - - if (available > 0) { - /* write first part of buffer */ - _mavlink_resend_uart(_channel, (const mavlink_message_t*)read_ptr); - message_buffer_mark_read(available); + message_buffer_mark_read(read_count); /* write second part of buffer if there is some */ - if (is_part) { - /* guard get ptr by mutex */ - pthread_mutex_lock(&_message_buffer_mutex); - available = message_buffer_get_ptr(&read_ptr, &is_part); - pthread_mutex_unlock(&_message_buffer_mutex); - - _mavlink_resend_uart(_channel, (const mavlink_message_t*)read_ptr); + if (is_part && read_count < sizeof(mavlink_message_t)) { + write_ptr += read_count; + available = message_buffer_get_ptr((void **)&read_ptr, &is_part); + read_count = sizeof(mavlink_message_t) - read_count; + memcpy(write_ptr, read_ptr, read_count); message_buffer_mark_read(available); } + + pthread_mutex_unlock(&_message_buffer_mutex); + + resend_message(&msg); } } + /* update TX/RX rates*/ + if (t > _bytes_timestamp + 1000000) { + if (_bytes_timestamp != 0) { + float dt = (t - _bytes_timestamp) / 1000.0f; + _rate_tx = _bytes_tx / dt; + _rate_txerr = _bytes_txerr / dt; + _rate_rx = _bytes_rx / dt; + _bytes_tx = 0; + _bytes_txerr = 0; + _bytes_rx = 0; + } + _bytes_timestamp = t; + } perf_end(_loop_perf); } @@ -2146,10 +1562,11 @@ Mavlink::task_main(int argc, char *argv[]) /* close mavlink logging device */ close(_mavlink_fd); - if (_passing_on) { + if (_passing_on || _ftp_on) { message_buffer_destroy(); pthread_mutex_destroy(&_message_buffer_mutex); } + /* destroy log buffer */ mavlink_logbuffer_destroy(&_logbuffer); @@ -2164,11 +1581,21 @@ int Mavlink::start_helper(int argc, char *argv[]) /* create the instance in task context */ Mavlink *instance = new Mavlink(); - /* this will actually only return once MAVLink exits */ - int res = instance->task_main(argc, argv); + int res; - /* delete instance on main thread end */ - delete instance; + if (!instance) { + + /* out of memory */ + res = -ENOMEM; + warnx("OUT OF MEM"); + + } else { + /* this will actually only return once MAVLink exits */ + res = instance->task_main(argc, argv); + + /* delete instance on main thread end */ + delete instance; + } return res; } @@ -2191,7 +1618,7 @@ Mavlink::start(int argc, char *argv[]) task_spawn_cmd(buf, SCHED_DEFAULT, SCHED_PRIORITY_DEFAULT, - 2048, + 2700, (main_t)&Mavlink::start_helper, (const char **)argv); @@ -2219,18 +1646,52 @@ Mavlink::start(int argc, char *argv[]) } void -Mavlink::status() +Mavlink::display_status() { - warnx("running"); + + if (_rstatus.heartbeat_time > 0) { + printf("\tGCS heartbeat:\t%llu us ago\n", hrt_elapsed_time(&_rstatus.heartbeat_time)); + } + + if (_rstatus.timestamp > 0) { + + printf("\ttype:\t\t"); + + switch (_rstatus.type) { + case TELEMETRY_STATUS_RADIO_TYPE_3DR_RADIO: + printf("3DR RADIO\n"); + break; + + default: + printf("UNKNOWN RADIO\n"); + break; + } + + printf("\trssi:\t\t%d\n", _rstatus.rssi); + printf("\tremote rssi:\t%u\n", _rstatus.remote_rssi); + printf("\ttxbuf:\t\t%u\n", _rstatus.txbuf); + printf("\tnoise:\t\t%d\n", _rstatus.noise); + printf("\tremote noise:\t%u\n", _rstatus.remote_noise); + printf("\trx errors:\t%u\n", _rstatus.rxerrors); + printf("\tfixed:\t\t%u\n", _rstatus.fixed); + + } else { + printf("\tno telem status.\n"); + } + + printf("\trates:\n"); + printf("\ttx: %.3f kB/s\n", (double)_rate_tx); + printf("\ttxerr: %.3f kB/s\n", (double)_rate_txerr); + printf("\trx: %.3f kB/s\n", (double)_rate_rx); + printf("\trate mult: %.3f\n", (double)_rate_mult); } int -Mavlink::stream(int argc, char *argv[]) +Mavlink::stream_command(int argc, char *argv[]) { const char *device_name = DEFAULT_DEVICE_NAME; float rate = -1.0f; const char *stream_name = nullptr; - int ch; argc -= 2; argv += 2; @@ -2267,7 +1728,7 @@ Mavlink::stream(int argc, char *argv[]) i++; } - if (!err_flag && rate >= 0.0 && stream_name != nullptr) { + if (!err_flag && rate >= 0.0f && stream_name != nullptr) { Mavlink *inst = get_instance_for_device(device_name); if (inst != nullptr) { @@ -2289,7 +1750,7 @@ Mavlink::stream(int argc, char *argv[]) static void usage() { - warnx("usage: mavlink {start|stop-all|stream} [-d device] [-b baudrate] [-r rate] [-m mode] [-s stream] [-f] [-p] [-v] [-w]"); + warnx("usage: mavlink {start|stop-all|stream} [-d device] [-b baudrate]\n\t[-r rate][-m mode] [-s stream] [-f] [-p] [-v] [-w] [-x]"); } int mavlink_main(int argc, char *argv[]) @@ -2310,11 +1771,11 @@ int mavlink_main(int argc, char *argv[]) } else if (!strcmp(argv[1], "stop-all")) { return Mavlink::destroy_all_instances(); - // } else if (!strcmp(argv[1], "status")) { - // mavlink::g_mavlink->status(); + } else if (!strcmp(argv[1], "status")) { + return Mavlink::get_status_all_instances(); } else if (!strcmp(argv[1], "stream")) { - return Mavlink::stream(argc, argv); + return Mavlink::stream_command(argc, argv); } else { usage(); |