Buzzer Support for M5Stack

variants/m5stack_core/Speaker.h

@@ -0,0 +1,30 @@
+#ifndef _SPEAKER_H_
+  #define _SPEAKER_H_
+
+  #include "configuration.h"
+
+  #ifdef __cplusplus
+    extern "C"
+    {
+  #endif /* __cplusplus */
+  #include "esp32-hal-dac.h"
+  #ifdef __cplusplus
+    }
+  #endif /* __cplusplus */
+
+  class TONE {
+    public:
+      TONE(void);
+
+      void begin();
+      void end();
+      void mute();
+      void tone(uint16_t frequency);
+      void setVolume(uint8_t volume);
+
+    private:
+      uint8_t _volume;
+      bool _begun;
+      bool speaker_on;
+  };
+#endif