Yuki Watanabe
モーターを自作ドライバ経由でPWM駆動するためのサンプルプログラム
Revision 0:49d1f99282d0, committed 2020-07-02
- Comitter:
- edamame_sky
- Date:
- Thu Jul 02 09:30:43 2020 +0000
- Commit message:
- sample_program
Changed in this revision
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
| pwmsample.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r 49d1f99282d0 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Jul 02 09:30:43 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file
diff -r 000000000000 -r 49d1f99282d0 pwmsample.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/pwmsample.cpp Thu Jul 02 09:30:43 2020 +0000
@@ -0,0 +1,63 @@
+#include "mbed.h"
+#define T 50 //周期(us)(period_usを使った場合)
+//#define H_MIN 1000
+//#define H_MAX 2500
+#define HIGH 1
+#define LOW 0
+
+PwmOut pin0(D2);
+DigitalOut pin1(D3);
+PwmOut pin2(D9);
+DigitalOut pin3(D8);
+//AnalogIn analog_value(A1);
+
+DigitalOut myled(LED1);
+
+int main() {
+ //float anlgIn;
+ int pwmWidth = 45;//PWMのパルスにおけるオン時間(us)(pulsewidth_usを使った場合)
+ pin0.period_us(T);//周波数の設定 ex)period_usの場合、T=100(us)→周波数f=1/T=10(kHz))
+ pin0.pulsewidth_us(0);
+ pin2.period_us(T);//周波数の設定
+ pin2.pulsewidth_us(0);
+
+ while(1) {
+ //for (int i=0;i<=20;i++){
+ //anlgIn = 0.3;
+ //pwmWidth = (H_MAX-H_MIN)*anlgIn + H_MIN;
+ //前転
+ pin0.pulsewidth_us(pwmWidth);// pwmWidth/T*100(%)のデューティ比でPWMパルスを指定ピンから出力
+ pin1 = HIGH;
+ pin2 = LOW;
+ pin3 = LOW;
+
+ wait_ms(1500);
+
+
+
+ //後転
+ pin0 = LOW;
+ pin1 = LOW;
+ pin2.pulsewidth_us(pwmWidth);
+ pin3 = HIGH;
+ //printf("スイッチング周波数(kHz): %d\n",1000/T);
+ //printf("デューティ比: %d\n",pwmWidth/T*100);
+ //myled = !myled; //change the mode of LED1 ここにピンのオンオフやらを入れればいいはず(digitalWrite)
+
+ wait_ms(1500);
+
+
+
+ /*
+ pin0 = LOW;
+ pin1 = HIGH;
+ pin2 = LOW;
+ pin3 = HIGH;
+
+ wait_ms(1500);
+ */
+
+
+ //}
+ }
+}
\ No newline at end of file