First cut at a Video Audio Player example.

Author: jackgassett

Video_Audio_Player/Video_Audio_Player.ino

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+/*
+ Gadget Factory
+ Example for Alvaro's ZPUino VGA Adapter 
+ To learn more about using DesignLab please visit http://learn.gadgetfactory.net
+
+ Related library documentation:
+    Use the Adafruit GFX library to program this VGA adapter.
+    https://learn.adafruit.com/adafruit-gfx-graphics-library/overview
+
+ created 2015
+ by Alvaro Lopes
+ http://www.gadgetfactory.net
+ 
+ This example code is in the public domain.
+ */
+ 
+#define circuit Computing_Shield2
+
+#include "Adafruit_GFX.h"
+#include "ZPUino_GFX.h"
+#include "PLL.h"
+#include "menus.h"
+#include "SID.h"
+#include "YM2149.h"
+#include "ymplayer.h"
+#include "sidplayer.h"
+#include <Timer.h>
+#include "SmallFS.h"
+#include <SD.h>
+#include <SPI.h>
+#include "ramFS.h"
+#include "cbuffer.h"
+#include <Timer.h>
+
+YM2149 ym2149;
+YMPLAYER ymplayer;
+//SID sid;
+SIDPLAYER sidplayer;
+
+ZPUino_GFX gfx;
+static bool menuVisible = true;
+static bool sidState = false;
+static bool ymState = false;
+
+#define TIMEOUTMAX 10000    //Timeout for joystick
+
+//Joystick
+#define JSELECT 19
+#define JDOWN 18
+#define JUP 20
+#define JRIGHT 17
+#define JLEFT 21
+
+enum kButtonDirection {
+	Left                = 0, 
+	Right               = 1,  
+	Up                  = 2,  
+    Down                = 3,  
+	Select              = 4,
+    None                = 5
+};
+
+unsigned long timeout;
+int sidplayercounter = 0;
+kButtonDirection buttonPressed;
+
+void exitMenus(void *a)
+{
+    menuExit();
+    menuVisible=false;
+    gfx.fillScreen( 0 );
+}
+
+
+void showMenu()
+{
+    menuReset();
+    menuVisible=true;
+    menuShowTop();
+}
+
+static void sidStop(void*)
+{
+  sidplayer.play(false);
+}
+static void ymStop(void*)
+{
+  ymplayer.play(false);
+}
+static void sidStart(void*)
+{
+  sidplayer.play(true);
+}
+static void ymStart(void*)
+{
+  ymplayer.play(true);
+}
+
+static void createMenus()
+{
+    subMenu *config = new subMenu("Options");
+
+//    subMenu *sid = new subMenu("SID Audio");
+//    config->appendChild(sid);
+//    sid->setParent(config);
+    config->appendChild( new menuItem("SID Pause", &sidStop) );
+    config->appendChild( new menuItem("YM Pause", &ymStop) );
+    
+    config->appendChild( new menuItem("SID Play", &sidStart) );
+    config->appendChild( new menuItem("YM Play", &ymStart) );    
+
+//    modo->appendChild( new menuItem("Video", &onVideo) );
+//    modo->appendChild( new menuItem("Bricks", &onBricks)) ;
+//    modo->appendChild( new menuItem("SoundPuddle",&onVideo) ) ;
+//    modo->appendChild( new menuItem("< Back",(void(*)(void*))&menuSwitchTo, config) ) ;
+
+//    subMenu *ym = new subMenu("YM Audio");
+//    config->appendChild(ym);
+//    ym->setParent(config);
+    //controle->appendChild( new menuItem("< Back",(void(*)(void*))&menuSwitchTo, config) ) ;
+
+    config->appendChild( new menuItem("Exit",(void(*)(void*))&exitMenus) ) ;
+
+    menuSetTop(config);
+}
+
+bool timer(void*)
+{
+  sidplayercounter++;
+  //modplayer.zpu_interrupt();
+  ymplayer.zpu_interrupt(); 
+  if (sidplayercounter == 340) {
+    sidplayer.zpu_interrupt(); 
+    sidplayercounter = 1;
+  }
+  //retrocade.setTimeout();
+  return true;
+}
+
+void setup()
+{
+    //delay(3000);
+    Serial.begin(115200);
+    Serial.println("Starting");
+    gfx.begin(MODE_640x480);
+    //gfx.begin( &modeline_640x480_60 );
+    createMenus();
+    //menuInit(128,128);
+    menuInit(300,300);
+    menusSetRenderer(&gfx);
+
+    
+    //Set Wishbone slots for audio chips
+    //sid.setup(14);
+    //ym2149.setup(13);   
+   
+    ymplayer.setup(&ym2149,6); 
+    sidplayer.setup(8);  
+  
+    ///Give some volume
+    ym2149.V1.setVolume(11);
+    ym2149.V2.setVolume(11);
+    ym2149.V3.setVolume(11);   
+    //sid.setVolume(15);    
+    
+    sidplayer.loadFile("track1.sid");
+    sidplayer.play(true);
+    
+    ymplayer.loadFile("track1.ymd");
+    ymplayer.play(true);    
+    
+   //Setup timer for YM and mod players, this generates an interrupt at 1700hz
+    Timers.begin();
+    int r = Timers.periodicHz(17000, timer, 0, 1);
+    if (r<0) {
+        Serial.println("Fatal error!");
+    }      
+    
+    //Setup Joystick
+    pinMode(JSELECT, INPUT); 
+    pinMode(JUP, INPUT); 
+    pinMode(JDOWN, INPUT); 
+    pinMode(JLEFT, INPUT); 
+    pinMode(JRIGHT, INPUT);     
+    
+    timeout=TIMEOUTMAX;
+    showMenu();    
+}
+
+void loop()
+{
+  if (sidplayer.getPlaying() == 1)    
+    sidplayer.audiofill();   
+   
+  if (ymplayer.getPlaying() == 1)
+    ymplayer.audiofill();
+    
+  timeout--;
+  if (timeout==0) {
+    timeout = TIMEOUTMAX;
+    //Serial.println("timeout");
+    if (digitalRead(JUP)) {
+      timeout = TIMEOUTMAX;
+      buttonPressed = Up;
+      Serial.println("up");
+    } else if (digitalRead(JDOWN)) {
+      timeout = TIMEOUTMAX;
+      buttonPressed = Down;
+      Serial.println("down");
+    } else if (digitalRead(JRIGHT)) {
+      timeout = TIMEOUTMAX;
+      buttonPressed = Right;
+      Serial.println("right");
+    } else if (digitalRead(JLEFT)) {
+      timeout = TIMEOUTMAX; 
+      buttonPressed = Left;
+      Serial.println("left");
+    } else if (digitalRead(JSELECT)) {
+        timeout = TIMEOUTMAX; 
+        buttonPressed = Select;  
+        Serial.println("select");    
+    }         
+  }  
+  
+  
+  
+    if (buttonPressed < 5) {
+        //char s = (char)Serial.read();
+        if (menuVisible) {
+            if (buttonPressed == Up) {
+                Serial.println("up");
+                moveMenuUp();
+            }
+            if (buttonPressed == Down) {
+                Serial.println("down");
+                moveMenuDown();
+            }
+            if (buttonPressed == Right) {
+                //Serial.println("action");
+                menuAction();
+            }
+            if (buttonPressed == Left) {
+                exitMenus(0);
+            }
+        } else {
+            if (buttonPressed == Select) {
+                Serial.println("show");
+                showMenu();
+            }
+        }
+        buttonPressed = None;        
+    } 
+}