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+/*

+ * Author: Pawel Jablonski

+ * E-mail: pj@xirx.net

+ * WWW: xirx.net

+ * GIT: git.xirx.net

+ *

+ * License: You can use this code however you like

+ * but leave information about the original author.

+ * Code is free for non-commercial and commercial use.

+ */

+

+#ifndef _SPEAKER_H

+#define _SPEAKER_H

+

+//! List of possible notes to play

+enum SpeakerNoteCode

+{

+	NOTE_SILENT,

+	NOTE_A0, NOTE_AS0, NOTE_B0,

+	NOTE_C1, NOTE_CS1, NOTE_D1, NOTE_DS1, NOTE_E1, NOTE_F1, NOTE_FS1, NOTE_G1, NOTE_GS1, NOTE_A1, NOTE_AS1, NOTE_B1,

+	NOTE_C2, NOTE_CS2, NOTE_D2, NOTE_DS2, NOTE_E2, NOTE_F2, NOTE_FS2, NOTE_G2, NOTE_GS2, NOTE_A2, NOTE_AS2, NOTE_B2,

+	NOTE_C3, NOTE_CS3, NOTE_D3, NOTE_DS3, NOTE_E3, NOTE_F3, NOTE_FS3, NOTE_G3, NOTE_GS3, NOTE_A3, NOTE_AS3, NOTE_B3,

+	NOTE_C4, NOTE_CS4, NOTE_D4, NOTE_DS4, NOTE_E4, NOTE_F4, NOTE_FS4, NOTE_G4, NOTE_GS4, NOTE_A4, NOTE_AS4, NOTE_B4,

+	NOTE_C5, NOTE_CS5, NOTE_D5, NOTE_DS5, NOTE_E5, NOTE_F5, NOTE_FS5, NOTE_G5, NOTE_GS5, NOTE_A5, NOTE_AS5, NOTE_B5,

+	NOTE_C6, NOTE_CS6, NOTE_D6, NOTE_DS6, NOTE_E6, NOTE_F6, NOTE_FS6, NOTE_G6, NOTE_GS6, NOTE_A6, NOTE_AS6, NOTE_B6,

+	NOTE_C7, NOTE_CS7, NOTE_D7, NOTE_DS7, NOTE_E7, NOTE_F7, NOTE_FS7, NOTE_G7, NOTE_GS7, NOTE_A7, NOTE_AS7, NOTE_B7,

+	NOTE_C8

+};

+

+//! Fields used by speaker to describe note

+struct SpeakerNote

+{

+	unsigned char note; //!< Number of the note

+	unsigned char time; //!< Time to play

+	unsigned char fill; //!< Square wave fill

+	unsigned char volume; //!< Volume level

+};

+

+void speakerInit(void);

+

+void speakerClear(void);

+void speakerAddNote(struct SpeakerNote note);

+

+unsigned char speakerGetBufferFree(void);

+

+#endif