code to drive the motors to the right position
Dependencies: HIDScope QEI mbed
Fork of BMT-K9_potmeter_fade by
Diff: main.cpp
- Revision:
- 1:f5b12280ea8a
- Parent:
- 0:e300738b9507
- Child:
- 2:6a4a2e355cd9
--- a/main.cpp Tue Sep 24 14:50:29 2013 +0000 +++ b/main.cpp Tue Sep 15 17:10:27 2015 +0000 @@ -1,31 +1,32 @@ #include "mbed.h" +#include "HIDScope.h" + // myled is an object of class PwmOut. It uses the LED_RED pin // in human speech: myled is an output that can be controlled with PWM. LED_RED is the pin which is connected to the output -PwmOut myled(LED_RED); - +PwmOut myled2(D9); +PwmOut myled1(D7); // pot is an object of class AnalogIn. It uses the PTB0 pin // in human speech: pot is an analog input. You can read the voltage on pin PTB0 -AnalogIn pot(PTB0); +AnalogIn pot1(A1); +AnalogIn pot2(A0); +//HIDScope scope(1); +Serial pc(USBTX, USBRX); //start 'main' function. Should be done once in every C(++) program int main() { //setup some stuff //period of PWM signal is 10kHz. Every 100 microsecond a new PWM period is started - myled.period_ms(0.1); + myled1.period_ms(0.1); + myled2.period_ms(0.1); //while 1 is unequal to zero. For humans: loop forever while(1) { - //Complicated stuff: - // pot.read() read the value of pot; this gives a value between 0 and 1 depending on the voltage on pin PTB0 - // this value is then put in myled.write() - // myled.write(x) -> write value x (between 0 and 1) to PwmOut myled. The duty cycle goes from 0% to 100%. - //Warning: Because the LED is full on when the output is completely low (0% duty cycle), the led is full on when the potmeter value is zero. + pc.printf("potvalue: %f \n",pot1.read()); - //The code below could also be written as: - //myled = pot; - myled.write(pot.read()); + myled1.write(pot1.read()); + myled2.write(pot2.read()); //wait some time to give the LED output a few PWM cycles. Otherwise a new value is written before the previously set PWM period (of 100microseconds) is finished //This loop executes at roughly 100Hz (1/0.01s) wait(0.01);