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Dependencies: HIDScope mbed MODSERIAL QEI
main.cpp
- Committer:
- Alex_Kyrl
- Date:
- 2017-10-30
- Revision:
- 11:dd1976534a03
- Parent:
- 9:22d79a4a0324
- Child:
- 12:69a9cf74583e
File content as of revision 11:dd1976534a03:
#include "EMG.h" #include "Motor.h" #include "HIDScope.h" #include "MODSERIAL.h" #include "iostream" DigitalIn a(D3); //buttons for testing DigitalIn b(D2); double cont = 0 ; HIDScope scope(6); // 4 channels of data Ticker MainTicker; MODSERIAL pc(USBTX, USBRX); /*****************************************************************/ //Initialize Analog EMG inputs: EMG EMG_bi_r(A0); // Move the endpoint to the right (plus direction) EMG EMG_bi_l(A1); // Move the endpoint to the left (minus direction) EMG EMG_tri_r(A2); // Move the endpoint forward (plus direction) EMG EMG_tri_l(A3); // Move the endpoint backward (minus direction) /****************************************************/ //Initialise Motors: Motor motor2(D13 , D12 , D7 , D6 , 50000 , 180 , 0.5 ); Motor motor1(D11 , D10 , D4 , D5 , 50000 , 180 , 0.5 ); /*****************************************************/ // Set control signals: //x direction is the righ/left movement //y direction is forward/backward movement double get_X_control_signal(){ double emg_right = EMG_bi_r.filter(); double emg_left = EMG_bi_l.filter(); // TODO: Tune emg to velocity mapping return emg_right - emg_left; } double get_Y_control_signal(){ double emg_fwd= EMG_tri_r.filter(); double emg_bwd= EMG_tri_l.filter(); // TODO: `Tune emg to velocity mapping return cont;// emg_fwd - emg_bwd; } /******************************************************/ //set speed of setpoints void control_motors() { int row_J =2 , row_Speed=2 , column_J =2; float speed_setpoint[row_J] , J_inv[row_J][column_J] , speed[row_Speed]; speed[0] = 0;//get_X_control_signal(); speed[1] = get_Y_control_signal(); float theta_1 = 2*3.14*motor1.set_angle()/360 , theta_2 = 2*3.14*motor2.set_angle()/360; float L1 = 0.48; float L2 = 0.84; J_inv[0][0] = -sin(theta_1 + theta_2)/(L1*cos(theta_2)) ; J_inv[0][1] = cos(theta_1 + theta_2)/(L1*cos(theta_2)) ; J_inv[1][0] = (L2*sin(theta_1 + theta_2) + L1*cos(theta_1))/(L1*L2*cos(theta_2)) ; J_inv[1][1] = -(L2*cos(theta_1 + theta_2) - L1*sin(theta_1))/(L1*L2*cos(theta_2)) ; // Initializing elements of matrix mult to 0. for(int i = 0; i < row_J; ++i) { speed_setpoint[i] = 0; } // Multiplying matrix firstMatrix and secondMatrix and storing in array mult. for(int i = 0; i < row_J; ++i) { for(int k=0; k<column_J; ++k) { speed_setpoint[i] += J_inv[i][k] * speed[k]; } } float time = 0.002 ; scope.set(0, theta_1*360/(2*3.14)); scope.set(1, cont); scope.set(2, theta_1*360/(2*3.14) + speed_setpoint[0]*time*360/(2*3.14)); scope.set(3, theta_2*360/(2*3.14) + speed_setpoint[1]*time*360/(2*3.14)); scope.set(4, motor1.Control_angle(theta_1*360/(2*3.14) + speed_setpoint[0]*time*360/(2*3.14)) ); scope.set(5, motor2.Control_angle(theta_2*360/(2*3.14) + speed_setpoint[1]*time*360/(2*3.14)) ); } /******************************************************/ // Ticker Function: void mainTicker() { control_motors(); // scope.set(0, x_control_signal); // scope.set(1, motor2.set_angle()); scope.send(); } /***************************************************/ //Main Function: int main(void) { double sample_time= 0.002; //fs = 500Hz pc.baud(115200); //Set Baud rate for Serial communication MainTicker.attach(&mainTicker, sample_time); //Attach time based interrupt while(true) { if(a==0){ cont+=0.1; wait(0.1); } if(b==0){ cont-=0.1; wait(0.1); } } //return 0; }