Kenji Arai
/
Check_Piezo_Buzzer
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Revision 0:67daefa90d5c, committed 2018-03-03
- Comitter:
- kenjiArai
- Date:
- Sat Mar 03 02:02:57 2018 +0000
- Commit message:
- Checking program for Piezo_Buzzer (Interrupt driven piezo buzzer control library)
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Piezo_Buzzer.lib Sat Mar 03 02:02:57 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/kenjiArai/code/Piezo_Buzzer/#5cf10634ae7b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat Mar 03 02:02:57 2018 +0000
@@ -0,0 +1,45 @@
+/*
+ * Mbed Application program
+ * check Piezo Buzzer function
+ *
+ * Copyright (c) 2018 Kenji Arai / JH1PJL
+ * http://www.page.sannet.ne.jp/kenjia/index.html
+ * http://mbed.org/users/kenjiArai/
+ * Modify: Feburary 28th, 2018
+ * Revised: March 3rd, 2018
+ */
+
+// Include --------------------------------------------------------------------
+#include "mbed.h"
+#include "piezo_bz.h"
+
+// Definition -----------------------------------------------------------------
+
+// Object ---------------------------------------------------------------------
+Serial pc(USBTX, USBRX);
+//PIEZO_BZ bz(D8, 500, 500);
+PIEZO_BZ bz(D8, 500, CONTINUOUS_MODE); // 500Hz Continuous Mode
+
+// RAM ------------------------------------------------------------------------
+
+// ROM / Constant data --------------------------------------------------------
+
+// Function prototypes --------------------------------------------------------
+
+//------------------------------------------------------------------------------
+// Control Program
+//------------------------------------------------------------------------------
+int main()
+{
+ while (true) {
+ for (uint32_t i = 1; i < 110; i++) {
+ uint32_t freq = (500 * i) /10;
+ bz.start();
+ wait(2.0f);
+ bz.stop();
+ wait(0.1f);
+ bz.change_frequency(freq);
+ pc.printf("Freq= %4d [Hz]\r\n", freq);
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Sat Mar 03 02:02:57 2018 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#91e6db1ea251ffcc973001ed90477f42fdca5751