Björn Nijhuis / Mbed 2 deprecated motor_reverser

Motor test

Dependencies:   mbed

main.cpp@0:b54c5342b074, 2015-09-23 (annotated)

Committer:
bjornnijhuis
Date:
Wed Sep 23 08:14:49 2015 +0000
Revision:
0:b54c5342b074
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bjornnijhuis 0:b54c5342b074 1 #include "mbed.h"
bjornnijhuis 0:b54c5342b074 2 Ticker reverser;
bjornnijhuis 0:b54c5342b074 3
bjornnijhuis 0:b54c5342b074 4 PwmOut motor_pwm(D5);
bjornnijhuis 0:b54c5342b074 5 DigitalOut dir(D4);
bjornnijhuis 0:b54c5342b074 6
bjornnijhuis 0:b54c5342b074 7 const int pwm_frequency = 10000; // PWM frequency
bjornnijhuis 0:b54c5342b074 8 const float duty_cycle = 1; // Duty cycle (half speed)
bjornnijhuis 0:b54c5342b074 9 bool direction = false; // Motor direction
bjornnijhuis 0:b54c5342b074 10
bjornnijhuis 0:b54c5342b074 11 const float reverse_frequency = 0.25; // Reversion frequency
bjornnijhuis 0:b54c5342b074 12 float reverse_period = 1/reverse_frequency;
bjornnijhuis 0:b54c5342b074 13
bjornnijhuis 0:b54c5342b074 14 void dirswitch(){
bjornnijhuis 0:b54c5342b074 15 direction = !direction; // Reverse direction
bjornnijhuis 0:b54c5342b074 16 dir.write(direction); // Sending direction to pin
bjornnijhuis 0:b54c5342b074 17 }
bjornnijhuis 0:b54c5342b074 18
bjornnijhuis 0:b54c5342b074 19 int main()
bjornnijhuis 0:b54c5342b074 20 {
bjornnijhuis 0:b54c5342b074 21 reverser.attach(dirswitch, reverse_period);
bjornnijhuis 0:b54c5342b074 22
bjornnijhuis 0:b54c5342b074 23 dir.write(direction); // Write motor direction
bjornnijhuis 0:b54c5342b074 24 motor_pwm.period(1/pwm_frequency); // Motor PWM period
bjornnijhuis 0:b54c5342b074 25 motor_pwm.write(duty_cycle); // Set motor speed
bjornnijhuis 0:b54c5342b074 26
bjornnijhuis 0:b54c5342b074 27 while(true){
bjornnijhuis 0:b54c5342b074 28 }
bjornnijhuis 0:b54c5342b074 29
bjornnijhuis 0:b54c5342b074 30
bjornnijhuis 0:b54c5342b074 31 }