Files
PX4-Autopilot/src/modules/uORB/PublicationQueuedMulti.hpp
T
Daniel Agar 2410b31662 sensors: move accel filtering to sensors/vehicle_acceleration
I've added a queue depth of 4 for sensor_accel and sensor_gyro. This is initially added because it's not always possible for the `vehicle_acceleration` to keep up with every publication of the primary accelerator as it runs in the same thread as ekf2, various controllers, etc. 

Later this mechanism will be used in a few areas
 - rate limit `vehicle_angular_velocity` and `vehicle_acceleration` without missing any raw data
 - move IMU integration to `vehicle_imu` and out of the actual driver threads, eliminating the need for sensor_accel_integrated and sensor_gyro_integrated
 - integrate raw gyro synchronized with optical flow measurements
2020-01-29 16:13:38 -05:00

102 lines
2.9 KiB
C++

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/**
* @file PublicationQueuedMulti.hpp
*
*/
#pragma once
#include <px4_platform_common/defines.h>
#include <systemlib/err.h>
#include <uORB/uORB.h>
namespace uORB
{
/**
* Queued publication with queue length set as a message constant (ORB_QUEUE_LENGTH)
*/
template<typename T>
class PublicationQueuedMulti
{
public:
/**
* Constructor
*
* @param meta The uORB metadata (usually from the ORB_ID() macro) for the topic.
*/
PublicationQueuedMulti(const orb_metadata *meta, uint8_t priority = ORB_PRIO_DEFAULT) :
_meta(meta),
_priority(priority)
{}
~PublicationQueuedMulti()
{
//orb_unadvertise(_handle);
}
/**
* Publish the struct
* @param data The uORB message struct we are updating.
*/
bool publish(const T &data)
{
if (_handle != nullptr) {
return (orb_publish(_meta, _handle, &data) == PX4_OK);
} else {
int instance = 0;
orb_advert_t handle = orb_advertise_multi_queue(_meta, &data, &instance, _priority, T::ORB_QUEUE_LENGTH);
if (handle != nullptr) {
_handle = handle;
return true;
}
}
return false;
}
protected:
const orb_metadata *_meta;
orb_advert_t _handle{nullptr};
const uint8_t _priority;
};
} // namespace uORB