try to fix submodule
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/**
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* Torque control example using voltage control loop.
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*
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* Most of the low-end BLDC driver boards doesn't have current measurement therefore SimpleFOC offers
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* you a way to control motor torque by setting the voltage to the motor instead hte current.
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*
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* This makes the BLDC motor effectively a DC motor, and you can use it in a same way.
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*/
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#include <SimpleFOC.h>
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#include <SimpleFOCDrivers.h>
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#include "encoders/calibrated/CalibratedSensor.h"
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// magnetic sensor instance - SPI
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MagneticSensorSPI sensor = MagneticSensorSPI(AS5048_SPI, PB6);
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// BLDC motor & driver instance
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BLDCMotor motor = BLDCMotor(11);
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BLDCDriver3PWM driver = BLDCDriver3PWM(PB4,PC7,PB10,PA9);
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// instantiate the calibrated sensor object
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CalibratedSensor sensor_calibrated = CalibratedSensor(sensor);
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// voltage set point variable
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float target_voltage = 2;
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// instantiate the commander
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Commander command = Commander(Serial);
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void doTarget(char* cmd) { command.scalar(&target_voltage, cmd); }
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void setup() {
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SPI.setMISO(PB14);
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SPI.setMOSI(PB15);
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SPI.setSCLK(PB13);
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sensor.init();
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// Link motor to sensor
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motor.linkSensor(&sensor);
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// power supply voltage
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driver.voltage_power_supply = 20;
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driver.init();
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motor.linkDriver(&driver);
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// aligning voltage
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motor.voltage_sensor_align = 8;
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motor.voltage_limit = 20;
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// set motion control loop to be used
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motor.controller = MotionControlType::torque;
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// use monitoring with serial
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Serial.begin(115200);
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// comment out if not needed
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motor.useMonitoring(Serial);
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motor.monitor_variables = _MON_VEL;
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motor.monitor_downsample = 10; // default 10
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// initialize motor
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motor.init();
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// set voltage to run calibration
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sensor_calibrated.voltage_calibration = 6;
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// Running calibration
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sensor_calibrated.calibrate(motor);
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//Serial.println("Calibrating Sensor Done.");
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// Linking sensor to motor object
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motor.linkSensor(&sensor_calibrated);
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// calibrated init FOC
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motor.initFOC();
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// add target command T
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command.add('T', doTarget, "target voltage");
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Serial.println(F("Motor ready."));
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Serial.println(F("Set the target voltage using serial terminal:"));
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_delay(1000);
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}
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void loop() {
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motor.loopFOC();
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motor.move(target_voltage);
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command.run();
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motor.monitor();
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}
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@@ -0,0 +1,106 @@
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/**
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* Comprehensive BLDC motor control example using magnetic sensor MT6816
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*
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* Using serial terminal user can send motor commands and configure the motor and FOC in real-time:
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* - configure PID controller constants
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* - change motion control loops
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* - monitor motor variabels
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* - set target values
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* - check all the configuration values
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*
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* See more info in docs.simplefoc.com/commander_interface
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*/
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#include <SimpleFOC.h>
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#include <SimpleFOCDrivers.h>
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#include <encoders/mt6816/MagneticSensorMT6816.h>
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// magnetic sensor instance - MT6816 SPI mode
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MagneticSensorMT6816 sensor = MagneticSensorMT6816(5);
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// BLDC motor & driver instance
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BLDCMotor motor = BLDCMotor(7);
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BLDCDriver3PWM driver = BLDCDriver3PWM(32, 25, 26, 33);
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// Inline Current Sense instance
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InlineCurrentSense current_sense = InlineCurrentSense(0.01f, 50.0f, 35, 34);
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// commander interface
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Commander command = Commander(Serial);
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void onMotor(char* cmd){ command.motor(&motor, cmd); }
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void setup() {
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// initialise magnetic sensor hardware
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sensor.init();
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// link the motor to the sensor
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motor.linkSensor(&sensor);
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// driver config
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// power supply voltage [V]
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driver.voltage_power_supply = 12;
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driver.init();
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// link driver
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motor.linkDriver(&driver);
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// choose FOC modulation
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motor.foc_modulation = FOCModulationType::SpaceVectorPWM;
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// set control loop type to be used
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motor.controller = MotionControlType::torque;
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// contoller configuration based on the control type
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motor.PID_velocity.P = 0.2f;
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motor.PID_velocity.I = 20;
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motor.PID_velocity.D = 0;
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// default voltage_power_supply
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motor.voltage_limit = 12;
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// velocity low pass filtering time constant
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motor.LPF_velocity.Tf = 0.01f;
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// angle loop velocity limit
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motor.velocity_limit = 50;
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// use monitoring with serial for motor init
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// monitoring port
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Serial.begin(115200);
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// comment out if not needed
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motor.useMonitoring(Serial);
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current_sense.linkDriver(&driver);
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current_sense.init();
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current_sense.gain_b *= -1;
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current_sense.skip_align = true;
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motor.linkCurrentSense(¤t_sense);
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// initialise motor
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motor.init();
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// align encoder and start FOC
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motor.initFOC();
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// set the inital target value
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motor.target = 2;
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// define the motor id
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command.add('A', onMotor, "motor");
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// Run user commands to configure and the motor (find the full command list in docs.simplefoc.com)
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Serial.println(F("Motor commands sketch | Initial motion control > torque/voltage : target 2V."));
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_delay(1000);
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}
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void loop() {
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// iterative setting FOC phase voltage
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motor.loopFOC();
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// iterative function setting the outter loop target
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// velocity, position or voltage
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// if tatget not set in parameter uses motor.target variable
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motor.move();
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// user communication
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command.run();
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}
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@@ -0,0 +1,141 @@
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/**
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*
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* Hall sensor velocity motion control example, modified to demonstrate usage of SmoothingSensor
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* Steps:
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* 1) Configure the motor and sensor
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* 2) Run the code
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* 3) Set the target velocity (in radians per second) from serial terminal
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* 4) Try with and without smoothing to see the difference (send E1 and E0 commands from serial terminal)
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*
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*
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*
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* NOTE :
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* > Specifically for Arduino UNO example code for running velocity motion control using a hall sensor
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* > Since Arduino UNO doesn't have enough interrupt pins we have to use software interrupt library PciManager.
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*
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* > If running this code with Nucleo or Bluepill or any other board which has more than 2 interrupt pins
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* > you can supply doC directly to the sensor.enableInterrupts(doA,doB,doC) and avoid using PciManger
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*
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*/
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#include <SimpleFOC.h>
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// software interrupt library
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#include <PciManager.h>
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#include <PciListenerImp.h>
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#include <SimpleFOCDrivers.h>
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#include <encoders/smoothing/SmoothingSensor.h>
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// BLDC motor & driver instance
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BLDCMotor motor = BLDCMotor(11);
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BLDCDriver3PWM driver = BLDCDriver3PWM(9, 5, 6, 8);
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// Stepper motor & driver instance
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//StepperMotor motor = StepperMotor(50);
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//StepperDriver4PWM driver = StepperDriver4PWM(9, 5, 10, 6, 8);
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// hall sensor instance
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HallSensor sensor = HallSensor(2, 3, 4, 11);
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// wrapper instance
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SmoothingSensor smooth(sensor, motor);
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// Interrupt routine intialisation
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// channel A and B callbacks
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void doA(){sensor.handleA();}
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void doB(){sensor.handleB();}
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void doC(){sensor.handleC();}
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// If no available hadware interrupt pins use the software interrupt
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PciListenerImp listenerIndex(sensor.pinC, doC);
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// velocity set point variable
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float target_velocity = 0;
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// instantiate the commander
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Commander command = Commander(Serial);
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void doTarget(char* cmd) { command.scalar(&target_velocity, cmd); }
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void enableSmoothing(char* cmd) {
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float enable;
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command.scalar(&enable, cmd);
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motor.linkSensor(enable == 0 ? (Sensor*)&sensor : (Sensor*)&smooth);
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}
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void setup() {
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// initialize sensor sensor hardware
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sensor.init();
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sensor.enableInterrupts(doA, doB); //, doC);
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// software interrupts
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PciManager.registerListener(&listenerIndex);
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// set SmoothingSensor phase correction for hall sensors
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smooth.phase_correction = -_PI_6;
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// link the SmoothingSensor to the motor
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motor.linkSensor(&smooth);
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// driver config
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// power supply voltage [V]
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driver.voltage_power_supply = 12;
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driver.init();
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// link the motor and the driver
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motor.linkDriver(&driver);
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// aligning voltage [V]
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motor.voltage_sensor_align = 3;
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// set motion control loop to be used
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motor.controller = MotionControlType::velocity;
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// contoller configuration
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// default parameters in defaults.h
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// velocity PI controller parameters
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motor.PID_velocity.P = 0.2f;
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motor.PID_velocity.I = 2;
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motor.PID_velocity.D = 0;
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// default voltage_power_supply
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motor.voltage_limit = 6;
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// jerk control using voltage voltage ramp
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// default value is 300 volts per sec ~ 0.3V per millisecond
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motor.PID_velocity.output_ramp = 1000;
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// velocity low pass filtering time constant
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motor.LPF_velocity.Tf = 0.01f;
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// use monitoring with serial
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Serial.begin(115200);
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// comment out if not needed
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motor.useMonitoring(Serial);
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// initialize motor
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motor.init();
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// align sensor and start FOC
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motor.initFOC();
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// add target command T
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command.add('T', doTarget, "target voltage");
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// add smoothing enable/disable command E (send E0 to use hall sensor alone, or E1 to use smoothing)
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command.add('E', enableSmoothing, "enable smoothing");
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Serial.println(F("Motor ready."));
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Serial.println(F("Set the target velocity using serial terminal:"));
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_delay(1000);
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}
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void loop() {
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// main FOC algorithm function
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// the faster you run this function the better
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// Arduino UNO loop ~1kHz
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// Bluepill loop ~10kHz
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motor.loopFOC();
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// Motion control function
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// velocity, position or voltage (defined in motor.controller)
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// this function can be run at much lower frequency than loopFOC() function
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// You can also use motor.move() and set the motor.target in the code
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motor.move(target_velocity);
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// function intended to be used with serial plotter to monitor motor variables
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// significantly slowing the execution down!!!!
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// motor.monitor();
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// user communication
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command.run();
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}
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