liang brain
/
stepper_moter
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Revision 1:ab0f997c2d9c, committed 2018-05-08
- Comitter:
- brainliang
- Date:
- Tue May 08 01:19:00 2018 +0000
- Parent:
- 0:173936452e07
- Commit message:
- fds
Changed in this revision
| a4988.cpp | Show annotated file Show diff for this revision Revisions of this file |
| a4988.h | Show annotated file Show diff for this revision Revisions of this file |
--- a/a4988.cpp Wed May 02 10:48:23 2018 +0000
+++ b/a4988.cpp Tue May 08 01:19:00 2018 +0000
@@ -1,6 +1,7 @@
#include "a4988.h"
#include "mbed.h"
-Stepper::Stepper(PinName _en, PinName _stepPin, PinName _direction):en(_en),
+Stepper::Stepper(PinName _en, PinName _stepPin, PinName _direction):
+ en(_en),
stepPin(_stepPin),
direction(_direction)
{
@@ -34,12 +35,10 @@
if(remain == 0)
{
return;
+ }else if(stepPin){
+ stepPin = 0; //STEP 1->0
+ remain--;
+ }else{
+ stepPin = 1; //STEP 0->1
}
-
- if(stepPin){
- stepPin = 0; //STEP 1->0
- remain--;
- }else{
- stepPin = 1; //STEP 0->1
- }
}
--- a/a4988.h Wed May 02 10:48:23 2018 +0000
+++ b/a4988.h Tue May 08 01:19:00 2018 +0000
@@ -9,7 +9,7 @@
{
public:
Stepper(PinName _en,PinName _stepPin, PinName _direction);
- void step(int dir, int frequency ,volatile int _remain);
+ void step(int dir, int frequency ,volatile int _remain); //方向,频率,步数3个参数
void enable();
void disable();
private: