mirror of https://github.com/ArduPilot/ardupilot
214 lines
5.7 KiB
C++
214 lines
5.7 KiB
C++
/*
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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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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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#include "AP_RPM.h"
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#include "RPM_Pin.h"
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#include "RPM_SITL.h"
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#include "RPM_EFI.h"
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extern const AP_HAL::HAL& hal;
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// table of user settable parameters
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const AP_Param::GroupInfo AP_RPM::var_info[] = {
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// @Param: _TYPE
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// @DisplayName: RPM type
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// @Description: What type of RPM sensor is connected
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// @Values: 0:None,1:PWM,2:AUXPIN,3:EFI
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// @User: Standard
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AP_GROUPINFO("_TYPE", 0, AP_RPM, _type[0], 0),
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// @Param: _SCALING
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// @DisplayName: RPM scaling
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// @Description: Scaling factor between sensor reading and RPM.
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// @Increment: 0.001
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// @User: Standard
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AP_GROUPINFO("_SCALING", 1, AP_RPM, _scaling[0], 1.0f),
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// @Param: _MAX
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// @DisplayName: Maximum RPM
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// @Description: Maximum RPM to report
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// @Increment: 1
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// @User: Standard
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AP_GROUPINFO("_MAX", 2, AP_RPM, _maximum[0], 100000),
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// @Param: _MIN
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// @DisplayName: Minimum RPM
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// @Description: Minimum RPM to report
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// @Increment: 1
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// @User: Standard
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AP_GROUPINFO("_MIN", 3, AP_RPM, _minimum[0], 10),
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// @Param: _MIN_QUAL
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// @DisplayName: Minimum Quality
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// @Description: Minimum data quality to be used
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// @Increment: 0.1
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// @User: Advanced
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AP_GROUPINFO("_MIN_QUAL", 4, AP_RPM, _quality_min[0], 0.5),
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// @Param: _PIN
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// @DisplayName: Input pin number
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// @Description: Which pin to use
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// @Values: -1:Disabled,50:PixhawkAUX1,51:PixhawkAUX2,52:PixhawkAUX3,53:PixhawkAUX4,54:PixhawkAUX5,55:PixhawkAUX6
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// @User: Standard
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AP_GROUPINFO("_PIN", 5, AP_RPM, _pin[0], 54),
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#if RPM_MAX_INSTANCES > 1
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// @Param: 2_TYPE
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// @DisplayName: Second RPM type
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// @Description: What type of RPM sensor is connected
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// @Values: 0:None,1:PWM,2:AUXPIN
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// @User: Advanced
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AP_GROUPINFO("2_TYPE", 10, AP_RPM, _type[1], 0),
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// @Param: 2_SCALING
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// @DisplayName: RPM scaling
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// @Description: Scaling factor between sensor reading and RPM.
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// @Increment: 0.001
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// @User: Advanced
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AP_GROUPINFO("2_SCALING", 11, AP_RPM, _scaling[1], 1.0f),
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#endif
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// @Param: 2_PIN
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// @DisplayName: RPM2 input pin number
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// @Description: Which pin to use
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// @Values: -1:Disabled,50:PixhawkAUX1,51:PixhawkAUX2,52:PixhawkAUX3,53:PixhawkAUX4,54:PixhawkAUX5,55:PixhawkAUX6
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// @User: Standard
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AP_GROUPINFO("2_PIN", 12, AP_RPM, _pin[1], -1),
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AP_GROUPEND
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};
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AP_RPM::AP_RPM(void)
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{
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AP_Param::setup_object_defaults(this, var_info);
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if (_singleton != nullptr) {
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AP_HAL::panic("AP_RPM must be singleton");
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}
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_singleton = this;
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}
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/*
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initialise the AP_RPM class.
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*/
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void AP_RPM::init(void)
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{
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if (num_instances != 0) {
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// init called a 2nd time?
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return;
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}
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for (uint8_t i=0; i<RPM_MAX_INSTANCES; i++) {
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uint8_t type = _type[i];
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#if CONFIG_HAL_BOARD != HAL_BOARD_SITL
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if (type == RPM_TYPE_PWM) {
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// PWM option same as PIN option, for upgrade
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type = RPM_TYPE_PIN;
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}
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if (type == RPM_TYPE_PIN) {
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drivers[i] = new AP_RPM_Pin(*this, i, state[i]);
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}
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#endif
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#if EFI_ENABLED
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if (type == RPM_TYPE_EFI) {
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drivers[i] = new AP_RPM_EFI(*this, i, state[i]);
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}
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#endif
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#if CONFIG_HAL_BOARD == HAL_BOARD_SITL
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if (drivers[i] == nullptr) {
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drivers[i] = new AP_RPM_SITL(*this, i, state[i]);
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}
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#endif
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if (drivers[i] != nullptr) {
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// we loaded a driver for this instance, so it must be
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// present (although it may not be healthy)
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num_instances = i+1; // num_instances is a high-water-mark
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}
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}
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}
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/*
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update RPM state for all instances. This should be called by main loop
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*/
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void AP_RPM::update(void)
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{
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for (uint8_t i=0; i<num_instances; i++) {
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if (drivers[i] != nullptr) {
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if (_type[i] == RPM_TYPE_NONE) {
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// allow user to disable an RPM sensor at runtime and force it to re-learn the quality if re-enabled.
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state[i].signal_quality = 0;
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continue;
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}
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drivers[i]->update();
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}
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}
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}
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/*
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check if an instance is healthy
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*/
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bool AP_RPM::healthy(uint8_t instance) const
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{
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if (instance >= num_instances || _type[instance] == RPM_TYPE_NONE) {
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return false;
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}
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// check that data quality is above minimum required
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if (state[instance].signal_quality < _quality_min[0]) {
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return false;
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}
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return true;
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}
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/*
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check if an instance is activated
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*/
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bool AP_RPM::enabled(uint8_t instance) const
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{
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if (instance >= num_instances) {
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return false;
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}
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// if no sensor type is selected, the sensor is not activated.
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if (_type[instance] == RPM_TYPE_NONE) {
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return false;
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}
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return true;
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}
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/*
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get RPM value, return true on success
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*/
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bool AP_RPM::get_rpm(uint8_t instance, float &rpm_value) const
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{
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if (!healthy(instance)) {
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return false;
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}
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rpm_value = state[instance].rate_rpm;
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return true;
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}
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// singleton instance
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AP_RPM *AP_RPM::_singleton;
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namespace AP {
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AP_RPM *rpm()
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{
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return AP_RPM::get_singleton();
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}
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}
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