Test
Diff: stepperMotor.cpp
- Revision:
- 0:dd286de4bc2f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/stepperMotor.cpp Mon Jan 11 11:07:32 2021 +0000 @@ -0,0 +1,173 @@ +#include "stepperMotor.h" + +#include "mbed.h" + +int motorSpeed; // Steper speed + +sMotor::sMotor(PinName A0, PinName A1, PinName A2, PinName A3) : _A0(A0), _A1(A1), _A2(A2), _A3(A3) { // Defenition of motor pins + _A0=0; + _A1=0; + _A2=0; + _A3=0; +} + +void sMotor::off() +{ + _A0=0; + _A1=0; + _A2=0; + _A3=0; +} +void sMotor::anticlockwise() { // rotate the motor 1 step anticlockwise + + + for (int i = 0; i < 8; i++) { + + switch (i) { // activate the ports A0, A2, A3, A3 in a binary sequence for steps + case 0: { + _A0=0; + _A1=0; + _A2=1; + _A3=0; + } + break; + case 1: { + _A0=0; + _A1=0; + _A2=0; + _A3=0; + } + break; + case 2: { + _A0=0; + _A1=0; + _A2=0; + _A3=1; + } + break; + case 3: { + _A0=0; + _A1=1; + _A2=0; + _A3=1; + } + break; + case 4: { + _A0=0; + _A1=1; + _A2=1; + _A3=1; + } + break; + case 5: { + _A0=1; + _A1=1; + _A2=1; + _A3=1; + } + break; + case 6: { + _A0=1; + _A1=0; + _A2=1; + _A3=1; + } + break; + case 7: { + _A0=1; + _A1=0; + _A2=1; + _A3=0; + } + break; + } + + + wait_us(motorSpeed); // wait time defines the speed + } +} + +void sMotor::clockwise() { // rotate the motor 1 step clockwise + for (int i = 7; i >= 0; i--) { + + switch (i) { + case 0: { + _A0=0; + _A1=0; + _A2=0; + _A3=1; + } + break; + case 1: { + _A0=0; + _A1=0; + _A2=1; + _A3=1; + } + break; + case 2: { + _A0=0; + _A1=0; + _A2=1; + _A3=0; + } + break; + case 3: { + _A0=0; + _A1=1; + _A2=1; + _A3=0; + } + break; + case 4: { + _A0=0; + _A1=1; + _A2=0; + _A3=0; + } + break; + case 5: { + _A0=1; + _A1=1; + _A2=0; + _A3=0; + } + break; + case 6: { + _A0=1; + _A1=0; + _A2=0; + _A3=0; + } + break; + case 7: { + _A0=1; + _A1=0; + _A2=0; + _A3=1; + } + break; + } + + + wait_us(motorSpeed); // wait time defines the speed + } +} +void sMotor::step(int num_steps, int direction, int speed) {// steper function: number of steps, direction (0- right, 1- left), speed (default 1200) + int count=0; // initalize step count + motorSpeed=speed; //set motor speed + if (direction==0) // turn clockwise + do { + clockwise(); + count++; + } while (count<num_steps); // turn number of steps applied + + else if (direction==1)// turn anticlockwise + { + count=0; + do { + anticlockwise(); + count++; + } while (count<num_steps);// turn number of steps applied + } +} \ No newline at end of file