Diff: Audio.h

Revision:

0:5648c217e527

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Audio.h	Mon May 14 12:33:43 2018 +0000
@@ -0,0 +1,105 @@
+/*
+ * Audio.h
+ *
+ *  Created on: 28 mars 2018
+ *      Author: hd01073
+ */
+
+#ifndef AUDIO_H_
+#define AUDIO_H_
+
+
+#include "mbed.h"
+#include "BNP_Ctrl.h"
+
+#define AUDIO_OPT
+
+#ifdef AUDIO_OPT
+
+#define MUTE VOL_0
+#define VOL_0 0xFFF0
+#define VOL_1 0xFFF1
+#define VOL_2 0xFFF2
+#define VOL_3 0xFFF3
+#define VOL_4 0xFFF4
+#define VOL_5 0xFFF5
+#define VOL_6 0xFFF6
+#define VOL_7 0xFFF7
+#define PLAY_PAUSE 0xFFFE
+#define STOP 0xFFFF
+
+
+/**
+* soundboard class
+* Used to control the WTV020SD board from sparkfun
+*/
+
+class soundboard
+{
+public:
+    /** Creates the soundboard class with the specified reset pin, clock pin, data pin and busy pin*/
+    soundboard(PinName resetPin, PinName clockPin, PinName dataPin, PinName busyPin);
+    
+    void startReset(void);
+    void startCommand(unsigned int);
+ 
+ private:       
+    static void singleInstManageReset(void) ;
+    void manageReset(void) ;
+    static void singleInstManageCmd(void)  ;
+    void manageCmd(void) ;
+
+private:
+    DigitalOut _resetPin;
+    DigitalOut _clockPin;
+    DigitalOut _dataPin;
+    DigitalIn _busyPin;   	// TODO : use it as an interrupt with a call back 
+    						// function to notify cmd complete. Not wired 
+    						// (hardware limitation) presently
+
+private:
+	volatile int resetState ;
+	volatile int cmdState ;
+	unsigned int _cmd ;
+	unsigned int _mask ;
+	
+
+};
+
+
+#endif
+
+class Audio {
+public:
+	static void init(void) ;
+	static void startPlay(BNP_Ctrl::AudioTrack track) ;
+	
+private:
+	enum State {
+		noState,
+		soundResetInProgress,
+		sendingVolCmd,
+		waitingVolCmdComplete,
+		idle,
+		sendingPlayCmd,
+		waitingPlayCmdComplete
+	};
+
+	static State state ;
+	static BNP_Ctrl::AudioTrack demandedTrack ;
+	
+public:
+	enum Evt {
+		noEvt,
+		soundResetComplete,
+		soundCmdSent,
+		soundNotBusy,
+		newJingleRequired
+	};
+
+	static void feedFsm(Evt evt) ;
+} ;
+
+
+
+#endif /* AUDIO_H_ */