Revision 0:f867aece57de, committed 2022-11-27

Comitter:

dpavetic

Date:

Sun Nov 27 10:33:00 2022 +0000

Commit message:

Initial lib version

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Buzzer.cpp	Sun Nov 27 10:33:00 2022 +0000
@@ -0,0 +1,21 @@
+#include "Buzzer.h"
+
+using namespace mbed;
+
+Buzzer::Buzzer(PinName pin) : _pwm(pin) { _pwm.write(0.0); }
+
+void Buzzer::silence() { _pwm.write(0.0); }
+void empty() {
+}
+
+/**
+ * Buzzer with given frequency and rithm.
+ *
+ * @param frequency - the frequency of the tone in Hz
+ * @param rithm - rithm of the song
+ */
+void Buzzer::buzz(float freq, float rithm) {
+  _pwm.period(1.0 / freq);
+  _pwm.write(0.5f);
+    ThisThread::sleep_for(Kernel::Clock::duration_u32((int)(rithm * 500)));
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Buzzer.h	Sun Nov 27 10:33:00 2022 +0000
@@ -0,0 +1,36 @@
+#ifndef MBED_BUZZER_H
+#define MBED_BUZZER_H
+
+#include "mbed.h"
+
+namespace mbed {
+
+/**
+ * Class: Buzzer
+ *  A class which uses PWM to create sounds on given PWM pin.
+ */
+class Buzzer {
+
+public:
+  Buzzer(PinName pin); // Specified PwmOut pin for buzzer
+
+  /**
+   * Buzzer with given frequency and duration.
+   *
+   * @param frequency - the frequency of the tone in Hz
+   * @param time - the duration of the tone in seconds
+   */
+  void buzz(float frequency, float time);
+
+  /**
+   * Silences the buzzer.
+   */
+  void silence();
+
+private:
+  PwmOut _pwm;
+  Timeout toff;
+};
+
+} // namespace mbed
+#endif
\ No newline at end of file