![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
Project of Biorobotics
Dependencies: HIDScope MODSERIAL QEI mbed biquadFilter
Fork of TutorialPES by
main.cpp
- Committer:
- ThomBMT
- Date:
- 2018-10-23
- Revision:
- 4:8f67b8327300
- Parent:
- 3:c8f0fc045505
- Child:
- 5:312186a0604d
File content as of revision 4:8f67b8327300:
#include "mbed.h" #include "MODSERIAL.h" #include "HIDScope.h" #include "QEI.h" MODSERIAL pc(USBTX, USBRX); DigitalOut DirectionPin1(D4); DigitalOut DirectionPin2(D7); PwmOut PwmPin1(D5); PwmOut PwmPin2(D6); DigitalIn Knop1(D2); DigitalIn Knop2(D3); AnalogIn pot1 (A5); AnalogIn pot2 (A4); AnalogIn emg0( A0 ); AnalogIn emg1( A1 ); AnalogIn emg2( A2 ); AnalogIn emg3( A3 ); Ticker StateTicker; Ticker EncodingTicker; Ticker printTicker; Ticker EMG_Read_Ticker; Ticker sample_timer; HIDScope scope( 4 ); volatile float Bicep_Right = 0.0; volatile float Bicep_Left = 0.0; volatile float Tricep_Right = 0.0; volatile float Tricep_Left = 0.0; volatile const float maxVelocity = 8.4; // in rad/s volatile const double pi = 3.14159265358979; volatile float referenceVelocity1 = 0.5; //dit is de gecentreerde waarde en dus de nulstand volatile float referenceVelocity2 = 0.5; enum states{Calibration, Homing, Function}; volatile states Active_State = Calibration; volatile int counts1; volatile int counts2; void Encoding() { QEI Encoder1(D12,D13,NC,64); QEI Encoder2(D10,D11,NC,64,QEI::X4_ENCODING); counts1 = Encoder1.getPulses(); counts2 = Encoder2.getPulses(); float rad_m1 = ((2*pi)/32.0)* (float)counts1; float rad_m2 = ((2*pi)/32.0)* (float)counts2; // pc.printf("%f & %f ....\n",rad_m1, rad_m2); } void EMG_Read() { Bicep_Right = emg0.read(); Bicep_Left = emg1.read(); Tricep_Right = emg2.read(); Tricep_Left = emg3.read(); } void sample() { scope.set(0, emg0.read() ); scope.set(1, emg1.read() ); scope.set(2, emg2.read() ); scope.set(3, emg3.read() ); scope.send(); } void velocity1() { if (pot1.read()>0.5f) { // Clockwise rotation referenceVelocity1 = (pot1.read()-0.5f) * 2.0f; } else if (pot1.read() == 0.5f || !Knop1 == (pot1.read()<0.5f)) { referenceVelocity1 = pot1.read() * 0.0f; } else if (pot1.read() < 0.5f) { // Counterclockwise rotation referenceVelocity1 = 2.0f * (pot1.read()-0.5f) ; } } void velocity2() { if (pot2.read()>0.5f) { // Clockwise rotation referenceVelocity2 = (pot2.read()-0.5f) * 2.0f; } else if (pot2.read() == 0.5f) { referenceVelocity2 = pot2.read() * 0.0f; } else if (pot2.read() < 0.5f) { // Counterclockwise rotation referenceVelocity2 = 2.0f * (pot2.read()-0.5f) ; } } void motor1() { float u = referenceVelocity1; DirectionPin1 = u < 0.0f; PwmPin1 = fabs(u); } void motor2() { float u = referenceVelocity2; DirectionPin2 = u > 0.0f; PwmPin2 = fabs(u); } void Printing() { float v1 = fabs(referenceVelocity1) * maxVelocity; float v2 = fabs(referenceVelocity2) * maxVelocity; //eventueel nog counts -> rad/s //pc.printf("%f \n %f snelheid Motor1 \n %f snelheid Motor2 \n", Bicep_Right,v1,v2); pc.printf("%f ", counts1); } void StateMachine() { switch (Active_State) { case Calibration: //calibration actions //pc.printf("Calibration State"); if (Knop1==false) { pc.printf("Entering Homing state \n"); Active_State = Homing; } break; case Homing: // Homing actions //pc.printf("Homing State"); if (Knop2==false) { pc.printf("Entering Funtioning State \n"); Active_State = Function; } break; case Function: //pc.printf("Funtioning State"); velocity1(); velocity2(); motor1(); motor2(); break; default: pc.printf("UNKNOWN COMMAND"); } } int main() { pc.baud(115200); PwmPin1.period_us(30); //60 microseconds pwm period, 16.7 kHz EncodingTicker.attach(&Encoding, 0.002); sample_timer.attach(&sample, 0.002); EMG_Read_Ticker.attach(&EMG_Read, 0.002); StateTicker.attach(StateMachine, 0.002); //printTicker.attach(&Printing, 2.0); while(true) { } }