Revision 0:47be58458737, committed 2017-06-09

Comitter:

kanatronics

Date:

Fri Jun 09 14:44:23 2017 +0000

Commit message:

/*; Wtv020sd16p - Library to control a WTV020-SD-16P module ; Created by Diego J. Arevalo, August 6th, 2012 for Arduino plaform; Modified by Kamil Kanas, 17/5/2017 for mbed platforms; Tested with FRDM KL25Z board; Released into the public domain 9/7/2...

Changed in this revision

diff -r 000000000000 -r 47be58458737 WTV020SD16.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WTV020SD16.cpp	Fri Jun 09 14:44:23 2017 +0000
@@ -0,0 +1,96 @@
+/*
+ Wtv020sd16p.cpp - Library to control a WTV020-SD-16P module 
+ Created by Diego J. Arevalo, August 6th, 2012 for  Arduino plaform
+ Modified by Kamil Kanas, 17/5/2017 for mbed platforms
+ Tested with FRDM KL25Z board
+ Released into the public domain 9/6/2017.
+ */
+
+#include "mbed.h"
+#include "WTV020SD16.h"
+
+const unsigned int PLAY_PAUSE = 0xFFFE;
+const unsigned int STOP = 0xFFFF;
+const unsigned int VOLUME_MIN = 0xFFF0;
+const unsigned int VOLUME_MAX = 0xFFF7;
+
+/*Pin definition*/
+DigitalOut _resetPin(PTB0);                             //reset pin   Output
+DigitalOut _clockPin(PTB1);                             //clock pin   Output
+DigitalOut _dataPin(PTB2);                              //data pin    Output
+DigitalIn  _busyPin(PTB3);                              //busy pin    Input 
+
+
+
+void Wtv020sd16p::reset(){
+  
+                                                           //Reset pulse.
+  _clockPin=0;
+  _resetPin=1;
+  _resetPin=0;
+  wait_ms(5);
+  _resetPin=1;                                               //Reset idle to start bit. 
+  _clockPin=1;
+  wait_ms(300);
+}
+
+void Wtv020sd16p::playVoice(int voiceNumber){  
+  sendCommand(voiceNumber);
+
+  _busyPinState= _busyPin;
+
+  while(_busyPinState==1){
+    _busyPinState=_busyPin;
+  }
+}
+
+void Wtv020sd16p::asyncPlayVoice(int voiceNumber){
+  sendCommand(voiceNumber);
+}
+
+void Wtv020sd16p::stopVoice(){
+  sendCommand(STOP);
+}
+
+void Wtv020sd16p::pauseVoice(){
+  sendCommand(PLAY_PAUSE);
+}
+
+void Wtv020sd16p::mute(){
+  sendCommand(VOLUME_MIN);
+}
+
+void Wtv020sd16p::unmute(){
+  sendCommand(VOLUME_MAX);
+}
+
+void Wtv020sd16p::sendCommand(unsigned int command) {
+  //Start bit Low level pulse.
+ _clockPin=0;
+  wait_ms(2);
+  for (unsigned int mask = 0x8000; mask > 0; mask >>= 1) {
+    //Clock low level pulse.
+    _clockPin=0;
+    wait_us(50);
+    //Write data setup.
+    if (command & mask) { 
+      _dataPin=1;
+    } else
+     {
+      
+       _dataPin=0;
+     }
+    //Write data hold.
+    wait_us(50);
+    //Clock high level pulse.
+    
+    _clockPin=1;
+    wait_us(100);
+    if (mask>0x0001){
+      //Stop bit high level pulse.
+      wait_ms(2);      
+    }
+  }
+  //Busy active high from last data bit latch.
+  wait_ms(20);
+}

diff -r 000000000000 -r 47be58458737 WTV020SD16.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WTV020SD16.h	Fri Jun 09 14:44:23 2017 +0000
@@ -0,0 +1,32 @@
+/*
+ Wtv020sd16p.cpp - Library to control a WTV020-SD-16P module 
+ Created by Diego J. Arevalo, August 6th, 2012 for  Arduino plaform
+ Modified by Kamil Kanas, 17/5/2017 for mbed platforms
+ Tested with FRDM KL25Z board
+ Released into the public domain 9/7/2017.
+ */
+
+#ifndef WTV020SD16_h
+#define WTV020SD16_h
+#include "mbed.h"
+
+  
+class Wtv020sd16p
+{
+public:
+  void reset();
+  void playVoice(int voiceNumber);
+  void asyncPlayVoice(int voiceNumber);
+  void stopVoice();
+  void pauseVoice();
+  void mute();
+  void unmute();
+private:
+  void sendCommand(unsigned int command);
+  int _busyPinState;
+  
+};
+
+#endif
+
+