Move motor back to initial position after it has been moved
Dependencies: Encoder HIDScope QEI mbed
Diff: main.cpp
- Revision:
- 0:65ab9f79a4cc
diff -r 000000000000 -r 65ab9f79a4cc main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Mon Oct 19 09:31:16 2015 +0000 @@ -0,0 +1,78 @@ +#include "mbed.h" +#include "encoder.h" +#include "HIDScope.h" + +DigitalOut motor1_direction(D4); +PwmOut motor1_speed(D5); +PwmOut led(D9); +DigitalIn button_1(PTC6); //counterclockwise +DigitalIn button_2(PTA4); //clockwise +Encoder motor1(D12,D13); +HIDScope scope(1); + + +const int pressed = 0; + +double H; +double P; +double D; + + +void sethome(){ + motor1.setPosition(0); + H = motor1.getPosition(); +} + +void move_motor1_ccw (){ + motor1_direction = 0; + motor1_speed = 0.8; +} + +void move_motor1_cw (){ + motor1_direction = 1; + motor1_speed = 0.8; +} + +void movetohome(){ + P = motor1.getPosition(); + D = (P - H); + + if (D == 0){ + motor1_speed = 0; + } + else if (D > 0){ + move_motor1_cw(); + } + else if (D < 0){ + move_motor1_ccw(); + } +} + +void move_motor1() +{ + if (button_1 == pressed) { + move_motor1_cw (); + } + else if (button_2 == pressed) { + move_motor1_ccw (); + } + else movetohome(); +} + +void read_encoder1 () // aflezen van encoder via hidscope?? +{ + scope.set(0,motor1.getPosition()); + led.write(motor1.getPosition()/100.0); + scope.send(); + wait(0.2f); +} + +int main() +{ + + sethome(); + while (true) { + read_encoder1(); + move_motor1(); + } +} \ No newline at end of file