Diff: main.cpp

Revision:

1:f54bee9d59de

Parent:

0:bdbd3d6fc5d5

Child:

2:55495227fcca

--- a/main.cpp	Fri Dec 07 11:25:01 2012 +0000
+++ b/main.cpp	Fri Apr 28 19:18:46 2017 +0000
@@ -1,19 +1,348 @@
-#include "mbed.h"
-#include "SDFileSystem.h"
- 
-SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
+/* Author: Pramod Nataraja & Vishnu Venkat  */
  
-int main() {
-    printf("Hello World!\n");   
- 
-    mkdir("/sd/mydir", 0777);
+ #include "mbed.h" 
+ #include "VS1002.h" 
+ //#include "TextLCD.h"
+ #include "mpr121.h"
+ #include "LSM9DS1.h"
+ #include "SerialRPCInterface.h"
+ using namespace mbed;
+ #define NEXT 7
+ #define PREVIOUS 8
+ #define PP 9
+ #define V_DOWN 10
+ #define V_UP 11
+ #define MUTE_UNMUTE 12
+//Ticker flipper;
+//LSM9DS1 IMU(p28, p27, 0xD6, 0x3C);
+//SerialRPCInterface RPC(p28, p27);
+//void foo(Arguments*  input, Reply* output);
+//RPCFunction bluetooth_control(&foo, "bluetooth_control");
+/*float tempx=0;
+float tempy=0;
+float tempz=0;
+float delx=0;
+float dely=0;
+float delz=0;
+float del=0;*/ 
+  
+VS1002 mp3(p5, p6, p7, p8,"sd",p11, p12 ,p13, p14, p23, p22, p21, p15);  //Setup Audio decoder. Name is VS1002 even though VS1053 is used.
+//TextLCD lcd1(p30, p29, p17, p18, p19, p20); //setup lcd
+//InterruptIn interrupt(p26); // Create the interrupt receiver object on pin 26
+//I2C i2c(p9, p10); // Setup the i2c bus on pins 9 and 10
+//Mpr121 mpr121(&i2c, Mpr121::ADD_VSS); //Setup Mpr121
+Serial pc1(USBTX, USBRX);
+
+/* Global Variables to store Status*/
+int new_song_number=1;  //Variable to store the Song Number
+int volume_set=0;     //Variable to store the Volume
+int previous_volume;    //Variable to store the volume when muted
+bool pause=false;       //Variable to store the status of Pause button 
+bool mute=false;        //Variable to store the status of mute button
+
+int check=0;    //Capacitative touch generates interrupt on both press and release. This variable tracks this and updates only on press.
+//char *song_name[6]={"18 till I Die","Summer of 69","Boulevard", "Serenity","Crawling","In the end"}; //Array of song names entered manually
+char *song_name[6]={"Escape","Summer of 69","Monster", "Leave out all the rest","Kings","Interstellar Docking"}; //Array of song names entered manually
+
+
+/*void fallInterrupt() 
+{
+  int key_code=0;
+  int i=0;
+  int value;
+  value=mpr121.read(0x00);
+  value +=mpr121.read(0x01)<<8;
+
+   i=0;
+  if(check)
+    check=0;
+   else
+    check=1;
+  if(check)
+    {
+  for (i=0; i<12; i++) {
+  if (((value>>i)&0x01)==1) key_code=i+1; //Convert value into decimal
+     }
+
+ switch(key_code)  // Different cases depending on key press
+ {
+  case 0:break;  // Invalid entry . Valid 1-12
+  case 1:   
+  case 2:  
+  case 3:  
+  case 4:    
+  case 5:     
+  case 6: new_song_number=key_code; // Play the selected song
+          break; 
+  case NEXT:new_song_number+=1;  // Next song
+          if(new_song_number==7)
+           new_song_number=1;
+          break;
+  case PREVIOUS: new_song_number-=1;  // Previous Song
+          if(new_song_number==0)
+           new_song_number=6;
+          break;
+  case PP: pause=!pause; // Pause/Play button
+          break;
+  case V_UP: volume_set+=3; // Volume Up
+           if(volume_set>=0)
+            volume_set=0;
+           break;
+  case V_DOWN: volume_set-=3;  //Volume Down
+           if(volume_set<-55)
+            volume_set=-55;
+            break;
+  case MUTE_UNMUTE: mute=!mute;  //Mute/Unmute
+           if(mute)
+           {
+            previous_volume=volume_set; // Attenuation of -55 db is small enough to not hear anything
+            volume_set=-55;
+           }
+           else
+           {
+           volume_set=previous_volume;
+           }
+           break;
+  default: ;//pc.cls();
+           pc1.printf("error");  // exit on error
+           exit(1);
+        }
+ }
+
+  if(pause)
+    pc1.printf("Paused ");
+  if(mute)
+   pc1.printf("Muted");
+  if(!mute && !pause)
+   pc1.printf("Playing"); 
+  pc1.printf("\r\n %d %s",new_song_number,song_name[new_song_number-1]);
+  
+ }*/
+/*void IMUInterrupt() 
+{
+  int key_code=0;
+
     
-    FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
-    if(fp == NULL) {
-        error("Could not open file for write\n");
+    while(!IMU.accelAvailable());
+        tempx=IMU.calcAccel(IMU.ax);
+        tempy=IMU.calcAccel(IMU.ay);
+        tempz=IMU.calcAccel(IMU.az);
+        IMU.readAccel();
+        delx=tempx-IMU.calcAccel(IMU.ax);
+        dely=tempy-IMU.calcAccel(IMU.ay);
+        delz=tempz-IMU.calcAccel(IMU.az);
+        //del=delx*delx+dely*dely+delz*delz;
+        if(delx>0.15)
+        key_code=NEXT;
+        if(delx<-0.15)
+        key_code=PREVIOUS;
+        if(dely>0.15)
+        key_code=V_UP;
+        if(dely<-0.15)
+        key_code=V_DOWN;
+        if(delz>0.15)
+        key_code=PP;
+        if(delz<-0.15)
+        key_code=MUTE_UNMUTE;
+        //pc1.printf("delx:%f  dely:%f  delz:%f\r\n",delx,dely,delz);
+        //pc1.printf("key_code:%d\r\n",key_code);
+  
+  
+
+
+ switch(key_code)  // Different cases depending on key press
+ {
+  case 0:break;  // Invalid entry . Valid 1-12
+  case 1:   
+  case 2:  
+  case 3:  
+  case 4:    
+  case 5:     
+  case 6: new_song_number=key_code; // Play the selected song
+          break; 
+  case NEXT:
+            pc1.printf("next\r\n");
+            new_song_number+=1;  // Next song
+          if(new_song_number==7)
+           new_song_number=1;
+          break;
+  case PREVIOUS: 
+            pc1.printf("previous\r\n");
+            new_song_number-=1;  // Previous Song
+          if(new_song_number==0)
+           new_song_number=6;
+          break;
+  case PP: 
+            pc1.printf("pp\r\n");
+            pause=!pause; // Pause/Play button
+          break;
+  case V_UP: 
+            pc1.printf("v_up\r\n");
+            volume_set+=3; // Volume Up
+           if(volume_set>=0)
+            volume_set=0;
+           break;
+  case V_DOWN: 
+            pc1.printf("v_down\r\n");
+            volume_set-=3;  //Volume Down
+           if(volume_set<-55)
+            volume_set=-55;
+            break;
+  case MUTE_UNMUTE: 
+            pc1.printf("mute_unmute\r\n");
+            mute=!mute;  //Mute/Unmute
+           if(mute)
+           {
+            previous_volume=volume_set; // Attenuation of -55 db is small enough to not hear anything
+            volume_set=-55;
+           }
+           else
+           {
+           volume_set=previous_volume;
+           }
+           break;
+  default: ;//pc.cls();
+           pc1.printf("error");  // exit on error
+           exit(1);
+        }
+ 
+
+  if(pause)
+    pc1.printf("Paused ");
+  if(mute)
+   pc1.printf("Muted");
+  if(!mute && !pause)
+   pc1.printf("Playing"); 
+  pc1.printf("\r\n %d %s",new_song_number,song_name[new_song_number-1]);
+  
+ }*/
+ //void foo(Arguments * input, Reply * output){
+  void foo(){
+  //const char *arg0=input->getArg<const char*>();
+  pc1.printf("hi\n");
+  if(pc1.readable()){
+  const char arg0=pc1.getc();
+  //pc1.printf(arg0);
+  int key_code=0;
+    //switch(*arg0){
+    switch(arg0){
+    case '1': key_code=V_UP; break;
+    case '2': key_code=V_DOWN; break;
+    case '3': key_code=PP; break;
+    case '4': key_code=MUTE_UNMUTE; break;
+    case 'N': key_code=NEXT; break;
+    case 'B': key_code=PREVIOUS; break;
+    case 'a':    
+    case 'b':  
+    case 'c':  
+    case 'd':    
+    case 'e':     
+    case 'f': key_code=arg0-'0'; // Play the selected song
+          break;   
+    default : key_code=0; break; 
     }
-    fprintf(fp, "Hello fun SD Card World!");
-    fclose(fp); 
+    
+
+ switch(key_code)  // Different cases depending on key press
+ {
+  case 0:break;  // Invalid entry . Valid 1-12
+  case 1:   
+  case 2:  
+  case 3:  
+  case 4:    
+  case 5:     
+  case 6: new_song_number=key_code; // Play the selected song
+          break; 
+  case NEXT:
+            pc1.printf("next\r\n");
+            new_song_number+=1;  // Next song
+          if(new_song_number==7)
+           new_song_number=1;
+          break;
+  case PREVIOUS: 
+            pc1.printf("previous\r\n");
+            new_song_number-=1;  // Previous Song
+          if(new_song_number==0)
+           new_song_number=6;
+          break;
+  case PP: 
+            pc1.printf("pp\r\n");
+            pause=!pause; // Pause/Play button
+          break;
+  case V_UP: 
+            pc1.printf("v_up\r\n");
+            volume_set+=3; // Volume Up
+           if(volume_set>=0)
+            volume_set=0;
+           break;
+  case V_DOWN: 
+            pc1.printf("v_down\r\n");
+            volume_set-=3;  //Volume Down
+           if(volume_set<-55)
+            volume_set=-55;
+            break;
+  case MUTE_UNMUTE: 
+            pc1.printf("mute_unmute\r\n");
+            mute=!mute;  //Mute/Unmute
+           if(mute)
+           {
+            previous_volume=volume_set; // Attenuation of -55 db is small enough to not hear anything
+            volume_set=-55;
+           }
+           else
+           {
+           volume_set=previous_volume;
+           }
+           break;
+  default: ;//pc.cls();
+           pc1.printf("error");  // exit on error
+           exit(1);
+        }
  
-    printf("Goodbye World!\n");
+ /* Print to LCD the status of Song */
+  //pc.cls();
+  if(pause)
+    pc1.printf("Paused ");
+  if(mute)
+   pc1.printf("Muted");
+  if(!mute && !pause)
+   pc1.printf("Playing"); 
+  pc1.printf("\r\n %d %s",new_song_number,song_name[new_song_number-1]);   
+  }
 }
+ int main () 
+ { 
+    pc1.printf("hello\r\n");
+    /*IMU.begin();
+    if (!IMU.begin()) {
+        pc1.printf("Failed to communicate with LSM9DS1.\r\n");
+    }
+    IMU.calibrate(1);*/  
+     /*============================================================ 
+      * MP3 Initialising 
+      *==========================================================*/
+      
+    
+     mp3._RST = 1; 
+     mp3.cs_high();                                  //chip disabled 
+     mp3.sci_initialise();                           //initialise MBED 
+     mp3.sci_write(0x00,(SM_SDINEW+SM_STREAM+SM_DIFF)); 
+     mp3.sci_write(0x03, 0x9800); 
+     mp3.sdi_initialise();    
+          
+      
+   /* Touch Pad setup */
+      //interrupt.fall(&fallInterrupt);
+      //interrupt.mode(PullUp);
+      //interrupt.fall(&IMUInterrupt);
+      //interrupt.mode(PullUp);
+      //  flipper.attach(&IMUInterrupt, 1);
+      pc1.attach(&foo, Serial::RxIrq);
+         while(1)
+         {
+         mp3.play_song(new_song_number);
+         }       
+ 
+ } 
+ 
+