static void mavlink_send_local_position_ned(struct transport_tx *trans, struct link_device *dev)
{
mavlink_msg_local_position_ned_send(MAVLINK_COMM_0,
get_sys_time_msec(),
stateGetPositionNed_f()->x,
stateGetPositionNed_f()->y,
stateGetPositionNed_f()->z,
stateGetSpeedNed_f()->x,
stateGetSpeedNed_f()->y,
stateGetSpeedNed_f()->z);
MAVLinkSendMessage();
}
static inline void mavlink_send_local_position_ned(void)
{
mavlink_msg_local_position_ned_send(MAVLINK_COMM_0,
get_sys_time_msec(),
stateGetPositionNed_f()->x,
stateGetPositionNed_f()->y,
stateGetPositionNed_f()->z,
stateGetSpeedNed_f()->x,
stateGetSpeedNed_f()->y,
stateGetSpeedNed_f()->z);
MAVLinkSendMessage();
}
/**
* Send the attitude
*/
static void mavlink_send_attitude(struct transport_tx *trans, struct link_device *dev)
{
mavlink_msg_attitude_send(MAVLINK_COMM_0,
get_sys_time_msec(),
stateGetNedToBodyEulers_f()->phi, // Phi
stateGetNedToBodyEulers_f()->theta, // Theta
stateGetNedToBodyEulers_f()->psi, // Psi
stateGetBodyRates_f()->p, // p
stateGetBodyRates_f()->q, // q
stateGetBodyRates_f()->r); // r
MAVLinkSendMessage();
}
/**
* Send the attitude
*/
static inline void mavlink_send_attitude(void)
{
mavlink_msg_attitude_send(MAVLINK_COMM_0,
get_sys_time_msec(),
stateGetNedToBodyEulers_f()->phi, // Phi
stateGetNedToBodyEulers_f()->theta, // Theta
stateGetNedToBodyEulers_f()->psi, // Psi
stateGetBodyRates_f()->p, // p
stateGetBodyRates_f()->q, // q
stateGetBodyRates_f()->r); // r
MAVLinkSendMessage();
}
static inline void mavlink_send_attitude_quaternion(void)
{
mavlink_msg_attitude_quaternion_send(MAVLINK_COMM_0,
get_sys_time_msec(),
stateGetNedToBodyQuat_f()->qi,
stateGetNedToBodyQuat_f()->qx,
stateGetNedToBodyQuat_f()->qy,
stateGetNedToBodyQuat_f()->qz,
stateGetBodyRates_f()->p,
stateGetBodyRates_f()->q,
stateGetBodyRates_f()->r);
MAVLinkSendMessage();
}
static void mavlink_send_attitude_quaternion(struct transport_tx *trans, struct link_device *dev)
{
mavlink_msg_attitude_quaternion_send(MAVLINK_COMM_0,
get_sys_time_msec(),
stateGetNedToBodyQuat_f()->qi,
stateGetNedToBodyQuat_f()->qx,
stateGetNedToBodyQuat_f()->qy,
stateGetNedToBodyQuat_f()->qz,
stateGetBodyRates_f()->p,
stateGetBodyRates_f()->q,
stateGetBodyRates_f()->r);
MAVLinkSendMessage();
}
/**
* Send the parameters
*/
static void mavlink_send_params(struct transport_tx *trans, struct link_device *dev)
{
if (mavlink_params_idx >= NB_SETTING) {
return;
}
mavlink_msg_param_value_send(MAVLINK_COMM_0,
mavlink_param_names[mavlink_params_idx],
settings_get_value(mavlink_params_idx),
MAV_PARAM_TYPE_REAL32,
NB_SETTING,
mavlink_params_idx);
MAVLinkSendMessage();
mavlink_params_idx++;
}
/**
* Send the parameters
*/
static inline void mavlink_send_params(void)
{
if (mavlink_params_idx >= NB_SETTING) {
return;
}
mavlink_msg_param_value_send(MAVLINK_COMM_0,
mavlink_param_names[mavlink_params_idx],
settings_get_value(mavlink_params_idx),
MAV_PARAM_TYPE_REAL32,
NB_SETTING,
mavlink_params_idx);
MAVLinkSendMessage();
mavlink_params_idx++;
}
/**
* Send the system status
*/
static inline void mavlink_send_sys_status(void)
{
mavlink_msg_sys_status_send(MAVLINK_COMM_0,
UAV_SENSORS, // On-board sensors: present (bitmap)
UAV_SENSORS, // On-board sensors: active (bitmap)
UAV_SENSORS, // On-board sensors: state (bitmap)
-1,//10*sys_mon.cpu_load, // System loadof main-loop time (0=0% to 1000=100%)
100 * electrical.vsupply, // Battery voltage (milivolts)
electrical.current / 10, // Battery current (10x miliampere)
-1, // Battery remaining (0-100 in %)
0, // Communication packet drops (0=0% to 10000=100%)
0, // Communication error(per packet) (0=0% to 10000=100%)
0, // Autopilot specific error 1
0, // Autopilot specific error 2
0, // Autopilot specific error 3
0); // Autopilot specific error 4
MAVLinkSendMessage();
}
static void mavlink_send_battery_status(struct transport_tx *trans, struct link_device *dev)
{
static uint16_t voltages[10];
// we simply only set one cell for now
voltages[0] = electrical.vsupply * 100;
/// TODO: check what all these fields are supposed to represent
mavlink_msg_battery_status_send(MAVLINK_COMM_0,
0, // id
0, // battery_function
0, // type
INT16_MAX, // unknown temperature
voltages, // cell voltages
electrical.current / 10,
electrical.consumed,
electrical.energy, // check scaling
-1); // remaining percentage not estimated
MAVLinkSendMessage();
}
/**
* Send the system status
*/
static void mavlink_send_sys_status(struct transport_tx *trans, struct link_device *dev)
{
/// TODO: FIXME
#define UAV_SENSORS (MAV_SYS_STATUS_SENSOR_3D_GYRO|MAV_SYS_STATUS_SENSOR_3D_ACCEL|MAV_SYS_STATUS_SENSOR_3D_MAG|MAV_SYS_STATUS_SENSOR_ABSOLUTE_PRESSURE)
mavlink_msg_sys_status_send(MAVLINK_COMM_0,
UAV_SENSORS, // On-board sensors: present (bitmap)
UAV_SENSORS, // On-board sensors: active (bitmap)
UAV_SENSORS, // On-board sensors: state (bitmap)
-1,//10*sys_mon.cpu_load, // System loadof main-loop time (0=0% to 1000=100%)
100 * electrical.vsupply, // Battery voltage (milivolts)
electrical.current / 10, // Battery current (10x miliampere)
-1, // Battery remaining (0-100 in %)
0, // Communication packet drops (0=0% to 10000=100%)
0, // Communication error(per packet) (0=0% to 10000=100%)
0, // Autopilot specific error 1
0, // Autopilot specific error 2
0, // Autopilot specific error 3
0); // Autopilot specific error 4
MAVLinkSendMessage();
}
/**
* Send Metrics typically displayed on a HUD for fixed wing aircraft.
*/
static void mavlink_send_vfr_hud(struct transport_tx *trans, struct link_device *dev)
{
/* Current heading in degrees, in compass units (0..360, 0=north) */
int16_t heading = DegOfRad(stateGetNedToBodyEulers_f()->psi);
/* Current throttle setting in integer percent, 0 to 100 */
// is a 16bit unsigned int but supposed to be from 0 to 100??
uint16_t throttle;
#ifdef COMMAND_THRUST
throttle = commands[COMMAND_THRUST] / (MAX_PPRZ / 100);
#elif defined COMMAND_THROTTLE
throttle = commands[COMMAND_THROTTLE] / (MAX_PPRZ / 100);
#endif
mavlink_msg_vfr_hud_send(MAVLINK_COMM_0,
stateGetAirspeed_f(),
stateGetHorizontalSpeedNorm_f(), // groundspeed
heading,
throttle,
stateGetPositionLla_f()->alt, // altitude, FIXME: should be MSL
stateGetSpeedNed_f()->z); // climb rate
MAVLinkSendMessage();
}
static void mavlink_send_gps_raw_int(struct transport_tx *trans, struct link_device *dev)
{
#if USE_GPS
int32_t course = DegOfRad(gps.course) / 1e5;
if (course < 0) {
course += 36000;
}
mavlink_msg_gps_raw_int_send(MAVLINK_COMM_0,
get_sys_time_usec(),
gps.fix,
gps.lla_pos.lat,
gps.lla_pos.lon,
gps.lla_pos.alt,
gps.pdop,
UINT16_MAX, // VDOP
gps.gspeed,
course,
gps.num_sv);
MAVLinkSendMessage();
#endif
}
static void mavlink_send_autopilot_version(struct transport_tx *trans, struct link_device *dev)
{
/// TODO: fill in versions correctly, how should they be encoded?
static uint32_t ver = PPRZ_VERSION_INT;
static uint64_t sha;
get_pprz_git_version((uint8_t *)&sha);
mavlink_msg_autopilot_version_send(MAVLINK_COMM_0,
0, //uint64_t capabilities,
ver, //uint32_t flight_sw_version,
0, //uint32_t middleware_sw_version,
0, //uint32_t os_sw_version,
0, //uint32_t board_version,
0, //const uint8_t *flight_custom_version,
0, //const uint8_t *middleware_custom_version,
0, //const uint8_t *os_custom_version,
0, //uint16_t vendor_id,
0, //uint16_t product_id,
sha //uint64_t uid
);
MAVLinkSendMessage();
}
static void mavlink_send_global_position_int(struct transport_tx *trans, struct link_device *dev)
{
float heading = DegOfRad(stateGetNedToBodyEulers_f()->psi);
if (heading < 0.) {
heading += 360;
}
uint16_t compass_heading = heading * 100;
int32_t relative_alt = stateGetPositionLla_i()->alt - state.ned_origin_f.hmsl;
/// TODO: check/ask what coordinate system vel is supposed to be in, not clear from docs
mavlink_msg_global_position_int_send(MAVLINK_COMM_0,
get_sys_time_msec(),
stateGetPositionLla_i()->lat,
stateGetPositionLla_i()->lon,
stateGetPositionLla_i()->alt,
relative_alt,
stateGetSpeedNed_f()->x * 100,
stateGetSpeedNed_f()->y * 100,
stateGetSpeedNed_f()->z * 100,
compass_heading);
MAVLinkSendMessage();
}
/**
* Send a heartbeat
*/
static void mavlink_send_heartbeat(struct transport_tx *trans, struct link_device *dev)
{
uint8_t mav_state = MAV_STATE_CALIBRATING;
uint8_t mav_mode = 0;
#ifdef AP
uint8_t mav_type = MAV_TYPE_FIXED_WING;
switch (pprz_mode) {
case PPRZ_MODE_MANUAL:
mav_mode |= MAV_MODE_FLAG_MANUAL_INPUT_ENABLED;
break;
case PPRZ_MODE_AUTO1:
mav_mode |= MAV_MODE_FLAG_STABILIZE_ENABLED | MAV_MODE_FLAG_MANUAL_INPUT_ENABLED;
break;
case PPRZ_MODE_AUTO2:
mav_mode |= MAV_MODE_FLAG_AUTO_ENABLED;
break;
case PPRZ_MODE_HOME:
mav_mode |= MAV_MODE_FLAG_GUIDED_ENABLED | MAV_MODE_FLAG_AUTO_ENABLED;
break;
default:
break;
}
#else
uint8_t mav_type = MAV_TYPE_QUADROTOR;
switch (autopilot_mode) {
case AP_MODE_HOME:
mav_mode |= MAV_MODE_FLAG_AUTO_ENABLED;
break;
case AP_MODE_RATE_DIRECT:
case AP_MODE_RATE_RC_CLIMB:
case AP_MODE_RATE_Z_HOLD:
case AP_MODE_RC_DIRECT:
mav_mode |= MAV_MODE_FLAG_MANUAL_INPUT_ENABLED;
break;
case AP_MODE_ATTITUDE_DIRECT:
case AP_MODE_ATTITUDE_CLIMB:
case AP_MODE_ATTITUDE_Z_HOLD:
case AP_MODE_ATTITUDE_RC_CLIMB:
case AP_MODE_HOVER_DIRECT:
case AP_MODE_HOVER_CLIMB:
case AP_MODE_HOVER_Z_HOLD:
case AP_MODE_CARE_FREE_DIRECT:
mav_mode |= MAV_MODE_FLAG_STABILIZE_ENABLED | MAV_MODE_FLAG_MANUAL_INPUT_ENABLED;
break;
case AP_MODE_NAV:
mav_mode |= MAV_MODE_FLAG_AUTO_ENABLED;
break;
case AP_MODE_GUIDED:
mav_mode = MAV_MODE_FLAG_GUIDED_ENABLED;
default:
break;
}
#endif
if (stateIsAttitudeValid()) {
if (kill_throttle) {
mav_state = MAV_STATE_STANDBY;
} else {
mav_state = MAV_STATE_ACTIVE;
mav_mode |= MAV_MODE_FLAG_SAFETY_ARMED;
}
}
mavlink_msg_heartbeat_send(MAVLINK_COMM_0,
mav_type,
MAV_AUTOPILOT_PPZ,
mav_mode,
0, // custom_mode
mav_state);
MAVLinkSendMessage();
}
void mavlink_common_message_handler(const mavlink_message_t *msg)
{
switch (msg->msgid) {
case MAVLINK_MSG_ID_HEARTBEAT:
break;
/* When requesting data streams say we can't send them */
case MAVLINK_MSG_ID_REQUEST_DATA_STREAM: {
mavlink_request_data_stream_t cmd;
mavlink_msg_request_data_stream_decode(msg, &cmd);
mavlink_msg_data_stream_send(MAVLINK_COMM_0, cmd.req_stream_id, 0, 0);
MAVLinkSendMessage();
break;
}
/* Override channels with RC */
case MAVLINK_MSG_ID_RC_CHANNELS_OVERRIDE: {
mavlink_rc_channels_override_t cmd;
mavlink_msg_rc_channels_override_decode(msg, &cmd);
#if defined RADIO_CONTROL && defined RADIO_CONTROL_TYPE_DATALINK
uint8_t thrust = (cmd.chan3_raw - 950) * 127 / 1100;
int8_t roll = -(cmd.chan1_raw - 1500) * 255 / 1100 / 2;
int8_t pitch = -(cmd.chan2_raw - 1500) * 255 / 1100 / 2;
int8_t yaw = -(cmd.chan4_raw - 1500) * 255 / 1100;
parse_rc_4ch_datalink(0, thrust, roll, pitch, yaw);
//printf("RECEIVED: RC Channel Override for: %d/%d: throttle: %d; roll: %d; pitch: %d; yaw: %d;\r\n",
// cmd.target_system, cmd.target_component, thrust, roll, pitch, yaw);
#endif
break;
}
/* When a request is made of the parameters list */
case MAVLINK_MSG_ID_PARAM_REQUEST_LIST: {
mavlink_params_idx = 0;
break;
}
/* When a request os made for a specific parameter */
case MAVLINK_MSG_ID_PARAM_REQUEST_READ: {
mavlink_param_request_read_t cmd;
mavlink_msg_param_request_read_decode(msg, &cmd);
// First check param_index and search for the ID if needed
if (cmd.param_index == -1) {
cmd.param_index = settings_idx_from_param_id(cmd.param_id);
}
mavlink_msg_param_value_send(MAVLINK_COMM_0,
mavlink_param_names[cmd.param_index],
settings_get_value(cmd.param_index),
MAV_PARAM_TYPE_REAL32,
NB_SETTING,
cmd.param_index);
MAVLinkSendMessage();
break;
}
case MAVLINK_MSG_ID_PARAM_SET: {
mavlink_param_set_t set;
mavlink_msg_param_set_decode(msg, &set);
// Check if this message is for this system
if ((uint8_t) set.target_system == AC_ID) {
int16_t idx = settings_idx_from_param_id(set.param_id);
// setting found
if (idx >= 0) {
// Only write if new value is NOT "not-a-number"
// AND is NOT infinity
if (set.param_type == MAV_PARAM_TYPE_REAL32 &&
!isnan(set.param_value) && !isinf(set.param_value)) {
DlSetting(idx, set.param_value);
// Report back new value
mavlink_msg_param_value_send(MAVLINK_COMM_0,
mavlink_param_names[idx],
settings_get_value(idx),
MAV_PARAM_TYPE_REAL32,
NB_SETTING,
idx);
MAVLinkSendMessage();
}
}
}
}
break;
default:
//Do nothing
//MAVLINK_DEBUG("Received message with id: %d\r\n", msg->msgid);
break;
}
}
/**
* Send SYSTEM_TIME
* - time_unix_usec
* - time_boot_ms
*/
static inline void mavlink_send_system_time(void)
{
mavlink_msg_system_time_send(MAVLINK_COMM_0, 0, get_sys_time_msec());
MAVLinkSendMessage();
}
void mavlink_common_message_handler(const mavlink_message_t *msg)
{
switch (msg->msgid) {
case MAVLINK_MSG_ID_HEARTBEAT:
break;
/* When requesting data streams say we can't send them */
case MAVLINK_MSG_ID_REQUEST_DATA_STREAM: {
mavlink_request_data_stream_t cmd;
mavlink_msg_request_data_stream_decode(msg, &cmd);
mavlink_msg_data_stream_send(MAVLINK_COMM_0, cmd.req_stream_id, 0, 0);
MAVLinkSendMessage();
break;
}
/* Override channels with RC */
case MAVLINK_MSG_ID_RC_CHANNELS_OVERRIDE: {
mavlink_rc_channels_override_t cmd;
mavlink_msg_rc_channels_override_decode(msg, &cmd);
#if defined RADIO_CONTROL && defined RADIO_CONTROL_TYPE_DATALINK
uint8_t thrust = (cmd.chan3_raw - 950) * 127 / 1100;
int8_t roll = -(cmd.chan1_raw - 1500) * 255 / 1100 / 2;
int8_t pitch = -(cmd.chan2_raw - 1500) * 255 / 1100 / 2;
int8_t yaw = -(cmd.chan4_raw - 1500) * 255 / 1100;
parse_rc_4ch_datalink(0, thrust, roll, pitch, yaw);
//printf("RECEIVED: RC Channel Override for: %d/%d: throttle: %d; roll: %d; pitch: %d; yaw: %d;\r\n",
// cmd.target_system, cmd.target_component, thrust, roll, pitch, yaw);
#endif
break;
}
/* When a request is made of the parameters list */
case MAVLINK_MSG_ID_PARAM_REQUEST_LIST: {
mavlink_params_idx = 0;
break;
}
/* When a request os made for a specific parameter */
case MAVLINK_MSG_ID_PARAM_REQUEST_READ: {
mavlink_param_request_read_t cmd;
mavlink_msg_param_request_read_decode(msg, &cmd);
// First check param_index and search for the ID if needed
if (cmd.param_index == -1) {
cmd.param_index = settings_idx_from_param_id(cmd.param_id);
}
// Send message only if the param_index was found (Coverity Scan)
if (cmd.param_index > -1) {
mavlink_msg_param_value_send(MAVLINK_COMM_0,
mavlink_param_names[cmd.param_index],
settings_get_value(cmd.param_index),
MAV_PARAM_TYPE_REAL32,
NB_SETTING,
cmd.param_index);
MAVLinkSendMessage();
}
break;
}
case MAVLINK_MSG_ID_PARAM_SET: {
mavlink_param_set_t set;
mavlink_msg_param_set_decode(msg, &set);
// Check if this message is for this system
if ((uint8_t) set.target_system == AC_ID) {
int16_t idx = settings_idx_from_param_id(set.param_id);
// setting found
if (idx >= 0) {
// Only write if new value is NOT "not-a-number"
// AND is NOT infinity
if (set.param_type == MAV_PARAM_TYPE_REAL32 &&
!isnan(set.param_value) && !isinf(set.param_value)) {
DlSetting(idx, set.param_value);
// Report back new value
mavlink_msg_param_value_send(MAVLINK_COMM_0,
mavlink_param_names[idx],
settings_get_value(idx),
MAV_PARAM_TYPE_REAL32,
NB_SETTING,
idx);
MAVLinkSendMessage();
}
}
}
}
break;
#ifndef AP
/* only for rotorcraft */
case MAVLINK_MSG_ID_COMMAND_LONG: {
mavlink_command_long_t cmd;
mavlink_msg_command_long_decode(msg, &cmd);
// Check if this message is for this system
if ((uint8_t) cmd.target_system == AC_ID) {
uint8_t result = MAV_RESULT_UNSUPPORTED;
switch (cmd.command) {
case MAV_CMD_NAV_GUIDED_ENABLE:
MAVLINK_DEBUG("got cmd NAV_GUIDED_ENABLE: %f\n", cmd.param1);
result = MAV_RESULT_FAILED;
if (cmd.param1 > 0.5) {
autopilot_set_mode(AP_MODE_GUIDED);
if (autopilot_mode == AP_MODE_GUIDED) {
result = MAV_RESULT_ACCEPTED;
}
}
else {
// turn guided mode off - to what? maybe NAV? or MODE_AUTO2?
}
break;
case MAV_CMD_COMPONENT_ARM_DISARM:
/* supposed to use this command to arm or SET_MODE?? */
MAVLINK_DEBUG("got cmd COMPONENT_ARM_DISARM: %f\n", cmd.param1);
result = MAV_RESULT_FAILED;
if (cmd.param1 > 0.5) {
autopilot_set_motors_on(TRUE);
if (autopilot_motors_on)
result = MAV_RESULT_ACCEPTED;
}
else {
autopilot_set_motors_on(FALSE);
if (!autopilot_motors_on)
result = MAV_RESULT_ACCEPTED;
}
break;
default:
break;
}
// confirm command with result
mavlink_msg_command_ack_send(MAVLINK_COMM_0, cmd.command, result);
MAVLinkSendMessage();
}
break;
}
case MAVLINK_MSG_ID_SET_MODE: {
mavlink_set_mode_t mode;
mavlink_msg_set_mode_decode(msg, &mode);
if (mode.target_system == AC_ID) {
MAVLINK_DEBUG("got SET_MODE: base_mode:%d\n", mode.base_mode);
if (mode.base_mode & MAV_MODE_FLAG_SAFETY_ARMED) {
autopilot_set_motors_on(TRUE);
}
else {
autopilot_set_motors_on(FALSE);
}
if (mode.base_mode & MAV_MODE_FLAG_GUIDED_ENABLED) {
autopilot_set_mode(AP_MODE_GUIDED);
}
else if (mode.base_mode & MAV_MODE_FLAG_AUTO_ENABLED) {
autopilot_set_mode(AP_MODE_NAV);
}
}
break;
}
case MAVLINK_MSG_ID_SET_POSITION_TARGET_LOCAL_NED: {
mavlink_set_position_target_local_ned_t target;
mavlink_msg_set_position_target_local_ned_decode(msg, &target);
// Check if this message is for this system
if (target.target_system == AC_ID) {
MAVLINK_DEBUG("SET_POSITION_TARGET_LOCAL_NED, byte_mask: %d\n", target.type_mask);
/* if position and yaw bits are not set to ignored, use only position for now */
if (!(target.type_mask & 0b1110000000100000)) {
switch (target.coordinate_frame) {
case MAV_FRAME_LOCAL_NED:
MAVLINK_DEBUG("set position target, frame LOCAL_NED\n");
autopilot_guided_goto_ned(target.x, target.y, target.z, target.yaw);
break;
case MAV_FRAME_LOCAL_OFFSET_NED:
MAVLINK_DEBUG("set position target, frame LOCAL_OFFSET_NED\n");
autopilot_guided_goto_ned_relative(target.x, target.y, target.z, target.yaw);
break;
case MAV_FRAME_BODY_OFFSET_NED:
MAVLINK_DEBUG("set position target, frame BODY_OFFSET_NED\n");
autopilot_guided_goto_body_relative(target.x, target.y, target.z, target.yaw);
break;
default:
break;
}
}
else if (!(target.type_mask & 0b0001110000100000)) {
/* position is set to ignore, but velocity not */
switch (target.coordinate_frame) {
case MAV_FRAME_LOCAL_NED:
MAVLINK_DEBUG("set velocity target, frame LOCAL_NED\n");
autopilot_guided_move_ned(target.vx, target.vy, target.vz, target.yaw);
break;
default:
break;
}
}
}
break;
}
#endif
default:
//Do nothing
MAVLINK_DEBUG("Received message with id: %d\r\n", msg->msgid);
break;
}
}
/**
* Send SYSTEM_TIME
* - time_unix_usec
* - time_boot_ms
*/
static void mavlink_send_system_time(struct transport_tx *trans, struct link_device *dev)
{
mavlink_msg_system_time_send(MAVLINK_COMM_0, 0, get_sys_time_msec());
MAVLinkSendMessage();
}
