Determine motor constants
Dependencies: HIDScope QEI mbed
Fork of frdm_motorConstantesBepalen by
Diff: main.cpp
- Revision:
- 1:b7a1138131bb
- Parent:
- 0:8ea04b138f72
- Child:
- 2:78a4dccff486
--- a/main.cpp Fri Oct 28 11:04:15 2016 +0000 +++ b/main.cpp Fri Oct 28 11:32:42 2016 +0000 @@ -12,20 +12,24 @@ PwmOut pwm_motor1 (D6); DigitalOut motor2 (D4); PwmOut pwm_motor2 (D5); -HIDScope scope( 2 ); +HIDScope scope( 4 ); Ticker sample_timer; double t; float pi=3.14159; float Aout; +float PWMAout; int counts1; int counts2; - +const int cw=0; +const int ccw=1; + void sample() { scope.set(0, counts1); scope.set(1, counts2); - + scope.set(2, Aout); + scope.set(3, PWMAout); scope.send(); } @@ -33,18 +37,36 @@ int main() { const double frequency_pwm = 100.0; pwm_motor1.period(1.0/frequency_pwm); + pwm_motor2.period(1.0/frequency_pwm); QEI Encoder1(D12, D13, NC, 32); //maakt de encoder aan, NC niet aanwezig, 32 bits QEI Encoder2(D10, D11, NC, 32); //maakt de encoder aan, NC niet aanwezig, 32 bits - sample_timer.attach(&sample, 0.0004); + sample_timer.attach(&sample, 0.001); while(true){ - for (t=0; t<10; t=t+0.005) { + for (t=0; t<10; t=t+0.05) { Aout=1*sin(2*pi*t); + PWMAout=(Aout+1)/2; + if (Aout >=0) //clockwise rotation + {motor1=cw; + } + else //counterclockwise rotation + {motor1=ccw; } - motor1= Aout; - pwm_motor1.write(1.0); + pwm_motor1.write(PWMAout); + + if (Aout >=0) //clockwise rotation + {motor2=cw; + } + else //counterclockwise rotation + {motor2=ccw; + } + pwm_motor2.write(PWMAout); + counts1 = Encoder1.getPulses(); - counts2 = Encoder2.getPulses(); + counts2 = Encoder2.getPulses(); + } + + } }