Very simple operation samples of unipolar stepper motor. This code has been made to help beginners to learn the stepper motor. The history of the code shows the how to generate pulses from very basic level.
main.cpp@6:11b35048d384, 2014-01-11 (annotated)
- Committer:
- okano
- Date:
- Sat Jan 11 01:58:21 2014 +0000
- Revision:
- 6:11b35048d384
- Parent:
- 4:3cb4e78e0846
- Parent:
- 5:28bbda0fe9b5
- Child:
- 7:032ae28fae2e
version 3 : Operation by BusOut
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
okano | 4:3cb4e78e0846 | 1 | // stepper motor operation sample (learn it step by step). |
okano | 0:6e775c640f78 | 2 | // showing how to control a unipolar stepper motor by mbed digital output ports. |
okano | 4:3cb4e78e0846 | 3 | // |
okano | 6:11b35048d384 | 4 | // version 3 : Operation by BusOut |
okano | 0:6e775c640f78 | 5 | |
okano | 0:6e775c640f78 | 6 | #include "mbed.h" |
okano | 0:6e775c640f78 | 7 | |
okano | 6:11b35048d384 | 8 | BusOut motor_out( p26, p25, p24, p23 ); |
okano | 0:6e775c640f78 | 9 | |
okano | 1:e49f906a4dbd | 10 | #define INTERVAL 0.01 |
okano | 1:e49f906a4dbd | 11 | |
okano | 4:3cb4e78e0846 | 12 | int main() |
okano | 4:3cb4e78e0846 | 13 | { |
okano | 0:6e775c640f78 | 14 | while(1) { |
okano | 4:3cb4e78e0846 | 15 | |
okano | 4:3cb4e78e0846 | 16 | // pulse orser : "p26 -> p25 -> p24 -> p23" for 4*90(=360) steps |
okano | 4:3cb4e78e0846 | 17 | |
okano | 4:3cb4e78e0846 | 18 | for ( int i = 0; i < 90; i++ ) { |
okano | 6:11b35048d384 | 19 | motor_out = 1; |
okano | 4:3cb4e78e0846 | 20 | wait( INTERVAL ); |
okano | 4:3cb4e78e0846 | 21 | |
okano | 6:11b35048d384 | 22 | motor_out = 2; |
okano | 4:3cb4e78e0846 | 23 | wait( INTERVAL ); |
okano | 4:3cb4e78e0846 | 24 | |
okano | 6:11b35048d384 | 25 | motor_out = 4; |
okano | 4:3cb4e78e0846 | 26 | wait( INTERVAL ); |
okano | 4:3cb4e78e0846 | 27 | |
okano | 6:11b35048d384 | 28 | motor_out = 8; |
okano | 4:3cb4e78e0846 | 29 | wait( INTERVAL ); |
okano | 4:3cb4e78e0846 | 30 | } |
okano | 4:3cb4e78e0846 | 31 | |
okano | 4:3cb4e78e0846 | 32 | // pulse orser : "p23 -> p24 -> p25 -> p26" for 4*90(=360) steps |
okano | 4:3cb4e78e0846 | 33 | |
okano | 4:3cb4e78e0846 | 34 | for ( int i = 0; i < 90; i++ ) { |
okano | 6:11b35048d384 | 35 | motor_out = 8; |
okano | 4:3cb4e78e0846 | 36 | wait( INTERVAL ); |
okano | 4:3cb4e78e0846 | 37 | |
okano | 6:11b35048d384 | 38 | motor_out = 4; |
okano | 4:3cb4e78e0846 | 39 | wait( INTERVAL ); |
okano | 4:3cb4e78e0846 | 40 | |
okano | 6:11b35048d384 | 41 | motor_out = 2; |
okano | 4:3cb4e78e0846 | 42 | wait( INTERVAL ); |
okano | 4:3cb4e78e0846 | 43 | |
okano | 6:11b35048d384 | 44 | motor_out = 1; |
okano | 4:3cb4e78e0846 | 45 | wait( INTERVAL ); |
okano | 4:3cb4e78e0846 | 46 | } |
okano | 0:6e775c640f78 | 47 | } |
okano | 0:6e775c640f78 | 48 | } |