Yasushi TAUCHI / Mbed 2 deprecated Sound_DigitalOut

DigitalOutによる音だし

Dependencies:   mbed

Diff: main.cpp

Revision:
0:e31efc30c819
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Dec 26 12:34:00 2011 +0000
@@ -0,0 +1,31 @@
+#define mC 261.626
+#define mD 293.665
+#define mE 329.628
+#define mF 349.228
+#define mG 391.995
+#define mA 440.000
+#define mB 493.883
+
+#include "mbed.h"
+
+DigitalOut sp1(p5);
+Ticker timer;
+
+int oto=0;
+
+void tick(void)
+{
+    sp1.write(oto);
+    oto=!oto;
+}
+
+int main() {
+    float mm[]={mC,mD,mE,mF,mG,mA,mB,mC*2};
+    int i;
+    for (i=0;i<sizeof(mm);i++) {
+        timer.attach(&tick,1.0/mm[i]/2.0);
+        wait(0.5f);
+    }
+    timer.detach();
+    while(1);
+}