/**
* Send transform to FCU position controller
*
* Note: send only XYZ, Yaw
*/
void send_setpoint_transform(const tf::Transform &transform, const ros::Time &stamp) {
// ENU frame
tf::Vector3 origin = transform.getOrigin();
tf::Quaternion q = transform.getRotation();
/* Documentation start from bit 1 instead 0,
* Ignore velocity and accel vectors, yaw rate
*/
uint16_t ignore_all_except_xyz_y = (1 << 11) | (7 << 6) | (7 << 3);
if (uas->is_px4()) {
/**
* Current PX4 has bug: it cuts throttle if there no velocity sp
* Issue #273.
*
* @todo Revesit this quirk later. Should be fixed in firmware.
*/
ignore_all_except_xyz_y = (1 << 11) | (7 << 6);
}
// ENU->NED. Issue #49.
set_position_target_local_ned(stamp.toNSec() / 1000000,
MAV_FRAME_LOCAL_NED,
ignore_all_except_xyz_y,
origin.y(), origin.x(), -origin.z(),
0.0, 0.0, 0.0,
0.0, 0.0, 0.0,
tf::getYaw(q), 0.0);
}
/**
* Common function for command service callbacks.
*
* NOTE: success is bool in messages, but has unsigned char type in C++
*/
bool send_command_long_and_wait(uint16_t command, uint8_t confirmation,
float param1, float param2,
float param3, float param4,
float param5, float param6,
float param7,
unsigned char &success, uint8_t &result) {
unique_lock lock(mutex);
/* check transactions */
for (auto it = ack_waiting_list.cbegin();
it != ack_waiting_list.cend(); it++)
if ((*it)->expected_command == command) {
ROS_WARN_THROTTLE_NAMED(10, "cmd", "Command %u alredy in progress", command);
return false;
}
//! @note APM always send COMMAND_ACK, while PX4 never.
bool is_ack_required = (confirmation != 0 || uas->is_ardupilotmega()) && !uas->is_px4();
if (is_ack_required)
ack_waiting_list.push_back(new CommandTransaction(command));
command_long(command, confirmation,
param1, param2,
param3, param4,
param5, param6,
param7);
if (is_ack_required) {
auto it = ack_waiting_list.begin();
for (; it != ack_waiting_list.end(); it++)
if ((*it)->expected_command == command)
break;
if (it == ack_waiting_list.end()) {
ROS_ERROR_NAMED("cmd", "CommandTransaction not found for %u", command);
return false;
}
lock.unlock();
bool is_not_timeout = wait_ack_for(*it);
lock.lock();
success = is_not_timeout && (*it)->result == MAV_RESULT_ACCEPTED;
result = (*it)->result;
delete *it;
ack_waiting_list.erase(it);
}
else {
success = true;
result = MAV_RESULT_ACCEPTED;
}
return true;
}