WS-for-Teachers (2019) / Mbed 2 deprecated PwmOut_HelloWorld_mbedos2_ws

日本語コメント付き

Dependencies:   mbed

Fork of PwmOut_HelloWorld_mbedos2 by 卒研ゼミ (2018)

Diff: main.cpp

Revision:
3:49bf69fdf479
Parent:
2:51cd5763b12f
diff -r 51cd5763b12f -r 49bf69fdf479 main.cpp
--- a/main.cpp	Fri Jun 29 04:51:26 2018 +0000
+++ b/main.cpp	Fri Jul 27 15:56:19 2018 +0000
@@ -1,12 +1,10 @@
 #include "mbed.h"
 
-PwmOut led(LED1);
+PwmOut led(dp24); // dp24ピンをPWM出力として利用、led変数に割当
 
 int main() {
     // specify period first
-    led.period(1.0f);      // 4 second period
-    led.write(0.10f);      // 50% duty cycle, relative to period
-    //led = 0.5f;          // shorthand for led.write()
-    //led.pulsewidth(2);   // alternative to led.write, set duty cycle time in seconds
-    while(1);
+    led.period(2.0f);      // PWM周期を4秒に設定
+    led.write(0.50f);      // デューティー比を 50% に設定（つまり2秒点灯・2秒消灯の繰り返し）
+    while(1); // 「何もしない」状態を無限に繰り返す → 上記で設定したPWM制御の状態がずっと続く
 }
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