SMART WAV audio processor connected together with the SMART GPU graphics processor, a \"windows media player\" application is demostrated, be sure to download demo\'s used files to the microSD card. http://vizictechnologies.com/#/software-demos-sw/4560115377

Dependencies:   SMARTGPU mbed SMARTWAV

Files at this revision

API Documentation at this revision

Comitter:
emmanuelchio
Date:
Sun Feb 12 01:36:34 2012 +0000
Commit message:
1.0

Changed in this revision

SMARTGPU.lib Show annotated file Show diff for this revision Revisions of this file
SMARTWAV.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r a38a3a6a3724 SMARTGPU.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SMARTGPU.lib	Sun Feb 12 01:36:34 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/emmanuelchio/code/SMARTGPU/#8da93960a86b
diff -r 000000000000 -r a38a3a6a3724 SMARTWAV.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SMARTWAV.lib	Sun Feb 12 01:36:34 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/emmanuelchio/code/SMARTWAV/#d3cb5755b201
diff -r 000000000000 -r a38a3a6a3724 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Feb 12 01:36:34 2012 +0000
@@ -0,0 +1,266 @@
+/**************************************************************************************/
+/*SMARTWAV intelligent embedded Audio processor unit
+ those examples are for use the SMARTWAV with the mbed microcontoller, just connect tx,rx,and reset
+ Board:
+ http://vizictechnologies.com/#/smart-wav/4559021187
+ 
+ This example requires pre-loaded content to the micro SD card, Audio .WAV files!
+ 
+ www.vizictechnologies.com 
+ Vizic Technologies copyright 2012 */
+/**************************************************************************************/
+/**************************************************************************************/
+ 
+#include "mbed.h"
+#include "SMARTWAV.h"
+#include "SMARTGPU.h"
+
+SMARTWAV sWav(p13,p14,p15);        //(TX,RX,Reset);
+SMARTGPU lcd(p28,p27,p29);        //(TX,RX,Reset);
+
+//Each times we use the touchscreen we must define a int array that stores the X and Y readed or touched coordinates.
+int touch[2];
+//Each times we use the touchicon we must define a char array that stores the name of the touched icon.
+char icon[3];
+
+//Global Variables
+char playList[500];     //an array for storing the retrieved list of Audio files
+char dirList[500];     //an array for storing the retrieved list of Folders/Dirs
+char songName[9];       // 8 characters + null character
+char times[6]={0};         //array to store the times
+unsigned char audioItems=0;      //variable storing the total of audio files on the 'playlist' array
+unsigned char dirItems=0;      //variable storing the total of Folders/Dirs on the 'dirList' array
+unsigned char totalAudioItems=0;
+unsigned char songPointer=0;
+unsigned char minutes=0,seconds=0;
+unsigned int progress=0; //to draw song progress
+
+/************************************************************************************************/
+//Simple function to count the number of items on a list
+/************************************************************************************************/
+unsigned char getListItems(char *list){  // returns the number of audio files on current folder/Dir, if none or fails returns 0
+    unsigned int i=0;
+    unsigned char counter=0;
+    
+    while(1){
+        if(list[i]==','){
+            counter ++;
+        }
+        if(list[i]==0x00){
+           return counter;
+        }
+        i++;
+    }
+}
+
+/************************************************************************************************/
+//Simple function that returns the name of a given item number of a list
+/************************************************************************************************/
+unsigned char getListNameItem(char *list, unsigned char itemNo, char *name){  // returns the name of the sWav file number 'Item' on the given 'name' buffer; on current buffer, fails or end of items return 0, succesfull returns 1;
+    unsigned int i=0;
+    unsigned char counter=0,x=0;
+    
+    while(1){
+        if(counter==itemNo){
+            break;        
+        }
+        while(1){
+            if(list[i]==','){                
+                i++;
+                counter ++;
+                break;
+            }
+            if(list[i]==0x00){
+                return 0;
+            }
+            i++;
+        }
+    }
+    while(1){
+        name[x]=list[i];
+        i++;
+        x++;
+        if(list[i]==','){
+            name[x]=0x00;
+            return 1;
+        }
+        if(x>7){
+            return 0;
+        }    
+    }                
+}
+
+/************************************************************************************************/
+/************************************************************************************************/
+//This function gets the existing folders and songs on the microSD root, and displays them
+void getData(){
+  unsigned char x;
+  char name[9]={0}; 
+  
+  wait_ms(50);
+  sWav.getFolderList(dirList); 
+  wait_ms(50);
+  sWav.getFileList(playList);
+  audioItems=getListItems(playList);
+  dirItems=getListItems(dirList);
+  
+  if(dirItems>8){  //Show up to 8 Folders/Dirs
+    dirItems=8;  
+  }
+
+  if(audioItems>8){  //Show up to 8 audio Items
+    audioItems=8;  
+  }
+  //display the folder items  
+  for(x=0;x<dirItems;x++){
+    getListNameItem(dirList,x,name);
+    lcd.string(15,70+(x*20),319,239,YELLOW,FONT3,UNFILL,name);    
+  }
+  //display the audio items
+  for(x=0;x<audioItems;x++){
+    getListNameItem(playList,x,name);
+    lcd.string(170,70+(x*20),319,239,YELLOW,FONT3,UNFILL,name);    
+  }
+  //get true total items
+  audioItems=getListItems(playList);
+  totalAudioItems=audioItems;
+  dirItems=getListItems(dirList);  
+}
+
+/************************************************************************************************/
+/************************************************************************************************/
+//This function search for a song and play it, also displays the song artwork.
+void searchSong(){
+  char name[9]={0};
+  
+  if(songPointer>=totalAudioItems){//if we reached the end of items
+    songPointer=0;  
+  }
+  while(1){
+    getListNameItem(playList,songPointer,name); //get a song file name
+    if(sWav.playTrackName(name)=='O'){
+      lcd.imageSD(80,25,name);
+      lcd.drawRectangle(10,8,75,22,0x0926,FILL);       //erase previous song name
+      lcd.string(10,8,319,239,WHITE,FONT3,FILL,name);  //draw song name
+      lcd.string(265,8,319,239,WHITE,FONT2,FILL,"00:00"); //draw the times
+      lcd.drawLine(0,204,319,204,BLACK);          //draw progress line                     
+      lcd.imageSD(146,208,"pause");        
+      minutes=0;
+      seconds=0; 
+      progress=0;
+      songPointer++;                                     //increase song pointer
+      break;
+    }else{
+      songPointer++;                                     //increase song pointer
+      wait_ms(100);      
+    }
+  }
+}
+
+/**************************************************/
+/****************** MAIN LOOP *********************/
+/**************************************************/
+/**************************************************/
+/***************************************************/
+int main() { 
+  unsigned int tick=0;   //counter to advance seconds
+  
+  //Those two functions must always be called for SMARTGPU support
+  lcd.reset();  //configure the serial and pinout of arduino board for SMARTGPU support
+  lcd.start(); //initialize the SMARTGPU processor
+  //Those two functions must always be called for SMARTWAV support
+  sWav.reset(); //perform an initial reset
+  sWav.init(); //initialize the SMARTWAV processor
+     
+  lcd.baudChange(2000000);         //set high baud for advanced applications
+  
+  //load main playlist 
+  lcd.imageSD(0,0,"List");    
+  lcd.string(5,5,239,239,GREEN,FONT3,UNFILL,"Library Play List:");
+  lcd.string(5,40,239,239,GREEN,FONT3,UNFILL,"Folders/Dirs:");    
+  lcd.string(160,40,319,239,GREEN,FONT3,UNFILL,"Songs/Audio Files:");  
+  getData();  //get folders and songs and display them
+  
+  //wait_ms for a touch on screen to start playing songs
+  while(lcd.touchScreen(touch)==0);      
+  lcd.imageSD(0,0,"player");
+  lcd.drawLine(230,222,271,222,YELLOW);
+  lcd.imageSD(266,217,"ball");
+  lcd.setTextBackground(0x0926);
+  
+  while(1){
+    // search for a song and play it + show artwork
+    searchSong();
+    
+    while(1){
+      //wait_ms for a touch on screen to perform something
+      while(lcd.touchScreen(touch)==0 | touch[YCOORD]<200){
+        tick++;  
+        if(tick > 500){   //if about 1 second have passed- this isn't accurate, the best way to achieve 1 second is by timesr interrupts
+          tick=0;              //reset counter
+          seconds++;
+          progress++;
+          if(seconds>59){
+            minutes++;  
+            seconds=0;            
+          }
+          times[0]=(minutes/10)+0x30;  //get the tens of the minutes and convert them to ascii
+          times[1]=(minutes%10)+0x30;  //get the ones of the minutes and convert them to ascii
+          times[2]=':';
+          times[3]=(seconds/10)+0x30;  //get the tens of the seconds and convert them to ascii
+          times[4]=(seconds%10)+0x30;  //get the ones of the seconds and convert them to ascii
+          lcd.string(265,8,319,239,WHITE,FONT2,FILL,times); //draw the time
+          lcd.drawLine(0,204,progress,204,YELLOW);          //draw progress line        
+
+          if(sWav.getStatus()!=0x01){ //if no song is being played-means end of song
+            wait_ms(500);     
+            sWav.stopTrack();
+            wait_ms(500);              
+            searchSong();         //play next songpointer song
+          }
+        }
+      } 
+
+      //decode touch into buttons
+      if(touch[XCOORD]>90 & touch[XCOORD]<117){//touch on STOP button
+        sWav.stopTrack();
+        lcd.imageSD(146,208,"play");
+        lcd.string(265,8,319,239,WHITE,FONT2,FILL,"00:00"); //draw the times   
+        lcd.drawLine(0,204,319,204,BLACK);          //draw progress line              
+        wait_ms(1000);
+        //wait_ms for a touch on play button to resume song play-back
+        while(lcd.touchScreen(touch)==0 | !(touch[XCOORD]>144 & touch[XCOORD]<173)); 
+        break;        
+      }else if(touch[XCOORD]>116 & touch[XCOORD]<145){//touch on REWIND button
+        sWav.rewindTrack();  
+        lcd.string(265,8,319,239,WHITE,FONT2,FILL,"00:00"); //draw the times
+        lcd.drawLine(0,204,319,204,BLACK);          //draw progress line                               
+        minutes=0;
+        seconds=0;
+        progress=0;        
+      }else if(touch[XCOORD]>144 & touch[XCOORD]<173){//touch on PAUSE/PLAY button
+        sWav.pausePlay();
+        lcd.imageSD(146,208,"play");
+        wait_ms(1000);
+        //wait_ms for a touch on pausePlay button to resume song play-back
+        while(lcd.touchScreen(touch)==0 | !(touch[XCOORD]>144 & touch[XCOORD]<173));
+        sWav.pausePlay();
+        lcd.imageSD(146,208,"pause");         
+      }else if(touch[XCOORD]>172 & touch[XCOORD]<202){//touch on NEXT button
+        sWav.stopTrack();
+        wait_ms(200);
+        break;
+      }else if(touch[XCOORD]>229 & touch[XCOORD]<272){//touch on VOLUME
+        lcd.drawLine(touch[XCOORD],222,271,222,BLACK);
+        lcd.drawLine(230,222,touch[XCOORD],222,YELLOW);
+        lcd.imageSD(touch[XCOORD]-4,217,"ball");
+        sWav.volume(214+ (touch[XCOORD]-230)); 
+      }
+      wait_ms(200);  
+   }
+  } 
+}  
+  
+  
+      
+  
diff -r 000000000000 -r a38a3a6a3724 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sun Feb 12 01:36:34 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/14f4805c468c