2 changed files with 144 additions and 148 deletions
@ -1,4 +1,145 @@
@@ -1,4 +1,145 @@
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/// @file AP_OpticalFlow.h
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/// @brief Catch-all header that defines all supported optical flow classes.
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/*
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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#include "OpticalFlow.h" |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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#pragma once |
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/*
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* OpticalFlow.h - OpticalFlow Base Class for Ardupilot |
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* Code by Randy Mackay. DIYDrones.com |
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*/ |
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#include <AP_MSP/msp.h> |
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#include <AP_HAL/AP_HAL.h> |
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#include <AP_Math/AP_Math.h> |
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#include <GCS_MAVLink/GCS_MAVLink.h> |
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#ifndef HAL_MSP_OPTICALFLOW_ENABLED |
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#define HAL_MSP_OPTICALFLOW_ENABLED HAL_MSP_ENABLED && !HAL_MINIMIZE_FEATURES |
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#endif |
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class OpticalFlow_backend; |
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class AP_AHRS; |
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class OpticalFlow |
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{ |
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friend class OpticalFlow_backend; |
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public: |
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OpticalFlow(); |
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/* Do not allow copies */ |
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OpticalFlow(const OpticalFlow &other) = delete; |
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OpticalFlow &operator=(const OpticalFlow&) = delete; |
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// get singleton instance
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static OpticalFlow *get_singleton() { |
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return _singleton; |
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} |
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enum class OpticalFlowType { |
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NONE = 0, |
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PX4FLOW = 1, |
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PIXART = 2, |
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BEBOP = 3, |
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CXOF = 4, |
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MAVLINK = 5, |
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UAVCAN = 6, |
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MSP = 7, |
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UPFLOW = 8, |
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SITL = 10, |
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}; |
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// init - initialise sensor
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void init(uint32_t log_bit); |
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// enabled - returns true if optical flow is enabled
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bool enabled() const { return _type != (int8_t)OpticalFlowType::NONE; } |
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// healthy - return true if the sensor is healthy
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bool healthy() const { return backend != nullptr && _flags.healthy; } |
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// read latest values from sensor and fill in x,y and totals.
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void update(void); |
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// handle optical flow mavlink messages
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void handle_msg(const mavlink_message_t &msg); |
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#if HAL_MSP_OPTICALFLOW_ENABLED |
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// handle optical flow msp messages
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void handle_msp(const MSP::msp_opflow_data_message_t &pkt); |
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#endif |
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// quality - returns the surface quality as a measure from 0 ~ 255
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uint8_t quality() const { return _state.surface_quality; } |
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// raw - returns the raw movement from the sensor
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const Vector2f& flowRate() const { return _state.flowRate; } |
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// velocity - returns the velocity in m/s
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const Vector2f& bodyRate() const { return _state.bodyRate; } |
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// last_update() - returns system time of last sensor update
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uint32_t last_update() const { return _last_update_ms; } |
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struct OpticalFlow_state { |
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uint8_t surface_quality; // image quality (below TBD you can't trust the dx,dy values returned)
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Vector2f flowRate; // optical flow angular rate in rad/sec measured about the X and Y body axis. A RH rotation about a sensor axis produces a positive rate.
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Vector2f bodyRate; // body inertial angular rate in rad/sec measured about the X and Y body axis. A RH rotation about a sensor axis produces a positive rate.
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}; |
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// return a 3D vector defining the position offset of the sensors focal point in metres relative to the body frame origin
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const Vector3f &get_pos_offset(void) const { |
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return _pos_offset; |
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} |
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// parameter var info table
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static const struct AP_Param::GroupInfo var_info[]; |
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private: |
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static OpticalFlow *_singleton; |
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OpticalFlow_backend *backend; |
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struct AP_OpticalFlow_Flags { |
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uint8_t healthy : 1; // true if sensor is healthy
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} _flags; |
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// parameters
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AP_Int8 _type; // user configurable sensor type
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AP_Int16 _flowScalerX; // X axis flow scale factor correction - parts per thousand
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AP_Int16 _flowScalerY; // Y axis flow scale factor correction - parts per thousand
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AP_Int16 _yawAngle_cd; // yaw angle of sensor X axis with respect to vehicle X axis - centi degrees
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AP_Vector3f _pos_offset; // position offset of the flow sensor in the body frame
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AP_Int8 _address; // address on the bus (allows selecting between 8 possible I2C addresses for px4flow)
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// method called by backend to update frontend state:
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void update_state(const OpticalFlow_state &state); |
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// state filled in by backend
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struct OpticalFlow_state _state; |
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uint32_t _last_update_ms; // millis() time of last update
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void Log_Write_Optflow(); |
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uint32_t _log_bit = -1; // bitmask bit which indicates if we should log. -1 means we always log
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}; |
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namespace AP { |
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OpticalFlow *opticalflow(); |
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} |
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#include "OpticalFlow_backend.h" |
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@ -1,145 +0,0 @@
@@ -1,145 +0,0 @@
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/*
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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#pragma once |
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/*
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* OpticalFlow.h - OpticalFlow Base Class for Ardupilot |
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* Code by Randy Mackay. DIYDrones.com |
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*/ |
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#include <AP_MSP/msp.h> |
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#include <AP_HAL/AP_HAL.h> |
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#include <AP_Math/AP_Math.h> |
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#include <GCS_MAVLink/GCS_MAVLink.h> |
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#ifndef HAL_MSP_OPTICALFLOW_ENABLED |
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#define HAL_MSP_OPTICALFLOW_ENABLED HAL_MSP_ENABLED && !HAL_MINIMIZE_FEATURES |
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#endif |
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class OpticalFlow_backend; |
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class AP_AHRS; |
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class OpticalFlow |
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{ |
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friend class OpticalFlow_backend; |
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public: |
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OpticalFlow(); |
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/* Do not allow copies */ |
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OpticalFlow(const OpticalFlow &other) = delete; |
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OpticalFlow &operator=(const OpticalFlow&) = delete; |
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// get singleton instance
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static OpticalFlow *get_singleton() { |
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return _singleton; |
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} |
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enum class OpticalFlowType { |
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NONE = 0, |
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PX4FLOW = 1, |
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PIXART = 2, |
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BEBOP = 3, |
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CXOF = 4, |
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MAVLINK = 5, |
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UAVCAN = 6, |
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MSP = 7, |
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UPFLOW = 8, |
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SITL = 10, |
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}; |
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// init - initialise sensor
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void init(uint32_t log_bit); |
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// enabled - returns true if optical flow is enabled
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bool enabled() const { return _type != (int8_t)OpticalFlowType::NONE; } |
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// healthy - return true if the sensor is healthy
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bool healthy() const { return backend != nullptr && _flags.healthy; } |
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// read latest values from sensor and fill in x,y and totals.
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void update(void); |
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// handle optical flow mavlink messages
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void handle_msg(const mavlink_message_t &msg); |
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#if HAL_MSP_OPTICALFLOW_ENABLED |
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// handle optical flow msp messages
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void handle_msp(const MSP::msp_opflow_data_message_t &pkt); |
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#endif |
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// quality - returns the surface quality as a measure from 0 ~ 255
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uint8_t quality() const { return _state.surface_quality; } |
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// raw - returns the raw movement from the sensor
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const Vector2f& flowRate() const { return _state.flowRate; } |
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// velocity - returns the velocity in m/s
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const Vector2f& bodyRate() const { return _state.bodyRate; } |
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// last_update() - returns system time of last sensor update
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uint32_t last_update() const { return _last_update_ms; } |
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struct OpticalFlow_state { |
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uint8_t surface_quality; // image quality (below TBD you can't trust the dx,dy values returned)
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Vector2f flowRate; // optical flow angular rate in rad/sec measured about the X and Y body axis. A RH rotation about a sensor axis produces a positive rate.
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Vector2f bodyRate; // body inertial angular rate in rad/sec measured about the X and Y body axis. A RH rotation about a sensor axis produces a positive rate.
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}; |
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// return a 3D vector defining the position offset of the sensors focal point in metres relative to the body frame origin
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const Vector3f &get_pos_offset(void) const { |
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return _pos_offset; |
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} |
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|
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// parameter var info table
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static const struct AP_Param::GroupInfo var_info[]; |
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|
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private: |
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|
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static OpticalFlow *_singleton; |
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|
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OpticalFlow_backend *backend; |
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|
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struct AP_OpticalFlow_Flags { |
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uint8_t healthy : 1; // true if sensor is healthy
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} _flags; |
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|
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// parameters
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AP_Int8 _type; // user configurable sensor type
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AP_Int16 _flowScalerX; // X axis flow scale factor correction - parts per thousand
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AP_Int16 _flowScalerY; // Y axis flow scale factor correction - parts per thousand
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AP_Int16 _yawAngle_cd; // yaw angle of sensor X axis with respect to vehicle X axis - centi degrees
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AP_Vector3f _pos_offset; // position offset of the flow sensor in the body frame
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AP_Int8 _address; // address on the bus (allows selecting between 8 possible I2C addresses for px4flow)
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|
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// method called by backend to update frontend state:
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void update_state(const OpticalFlow_state &state); |
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|
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// state filled in by backend
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struct OpticalFlow_state _state; |
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uint32_t _last_update_ms; // millis() time of last update
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|
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void Log_Write_Optflow(); |
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uint32_t _log_bit = -1; // bitmask bit which indicates if we should log. -1 means we always log
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|
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}; |
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|
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namespace AP { |
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OpticalFlow *opticalflow(); |
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} |
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|
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#include "OpticalFlow_backend.h" |
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