Diff: main.cpp

Revision:

1:9c5643903657

Parent:

0:8a46c5988d62

--- a/main.cpp	Sat Dec 10 23:20:32 2016 +0000
+++ b/main.cpp	Mon Dec 12 14:31:10 2016 +0000
@@ -1,18 +1,17 @@
 #include "mbed.h"
 #include "SDFileSystem.h"
+#include "uLCD_4DGL.h"
+#include "VS1002.h"
 
-DigitalOut led1(LED1);
-DigitalOut led2(LED2);
-DigitalOut led3(LED3);
-DigitalOut led4(LED4);
+uLCD_4DGL uLCD(p28, p27, p30);
 
 DigitalIn Dreq(p26);
 DigitalOut XDCS(p25);
 DigitalOut reset(p23);
 DigitalOut XCS(p22);
 
-SPI mp3Board(p11, p12, p13);
-SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
+SPI mp3Board(p11, p12, p13); // mosi, miso, sclk
+SDFileSystem sd(p5, p6, p7, p8, "sd"); // DI, DO, SCK, CS
 
 int killLoop = 1;
 int mp3Chunk;
@@ -22,17 +21,67 @@
     fseek(fp, 0, SEEK_END);
     int size = ftell(fp);
     fseek(fp, 0, SEEK_SET);
-    
     return size;
 }
 
+void sdi_write(unsigned char datum)
+{
+    XCS = 1;  
+    XDCS = 1;
+    XCS = 0;   
+    while(!Dreq);
+    mp3Board.write(datum);
+    XCS = 1;
+}
+
+/*
+void sdi_write(unsigned char datum)
+{
+    _CS = 1;  
+    _DCS = 1;
+    _CS = 0;   
+    while(!_DREQ);
+    _spi.write(datum);
+    _CS = 1;
+}
+////////////////////////////////////////////////////////////////////////////
+VS1002::VS1002(
+PinName mmosi, PinName mmiso, PinName ssck, PinName ccs, const char *name,
+         PinName mosi, PinName miso, PinName sck, PinName cs, PinName rst,
+         PinName dreq, PinName dcs, PinName vol)
+    :
+     _sd(mmosi, mmiso, ssck, ccs, name),
+     _spi(mosi, miso, sck), 
+     _CS(cs), 
+     _RST(rst), 
+     _DREQ(dreq),
+     _DCS(dcs), 
+     _VOL(vol) {
+    
+    }    */
+///////////////////////////////////////////////////////////////////////////
+
 int main() {
-    led1=0;
-    led2=0;
-    led3=0;
-    led4=0;
+    reset = 1;
+    //Sine test // So, the simplified procedure is:
+    XDCS = 1; //1) Always keep XDCS at logical 1.
+    XCS = 0; //2) Set XCS to 0, 
+    mp3Board.write(0x02); //0x02 is the write opcode
+    mp3Board.write(0x00); //0x00 is the address of the sci mode register
+    mp3Board.write(0x0A); //0x0A (11 in dec) is the SM_SDINEW bit    //send SCI command to set SCI_MODE with SM_SHARED and SM_SDINEW set to 1, 
+    XCS = 1;    //then set XCS back to 1.
+    mp3Board.write(0x53); //3) While XCS is 1, send sine test activation bytes, e.g. 0x53 0xef 0x6e 0x7e 0x00 0x00 0x00 0x00.
+    mp3Board.write(0xEF);
+    mp3Board.write(0x6E);
+    mp3Board.write(0x44);
+    mp3Board.write(0x00);
+    mp3Board.write(0x00);
+    mp3Board.write(0x00);
+    mp3Board.write(0x00);
     
     
+    /*
+    mp3Board.frequency(12000000);
     XCS=1;
     XCS=0; //pull xcs low to begin sci write. Sets mode to vs1002, 
     mp3Board.write(0x02); //0x02 is the write opcode
@@ -40,35 +89,81 @@
     mp3Board.write(0x0A); //0x0A (11 in dec) is the SM_SDINEW bit
     XCS=1; //pulled high to end write sequence
     
-    led1=1;
+    uLCD.locate(0,0);
+    uLCD.printf("Initialized...");
     
     FILE *mp3_file;
-    //printf("\n\n\nHello, wave world!\n");
-    mp3_file=fopen("/sd/Putties.mp3","rb");
-    
-    XDCS = 1;
-    XDCS = 0;
-    
-    
-    /*
-    fseek(mp3_file, 0, SEEK_END);
-    fileSize=ftell(mp3_file);
-    fseek(mp3_file, 0, SEEK_SET);
-    */
-    
-    fileSize=getFileSize(mp3_file);
+    unsigned char mp3Chunk[512];
+    mp3_file = fopen("/sd/GGW.mp3","rb");
     
-    led2=1;
-    
-    fread(&mp3Chunk, 1, 100, mp3_file);
-    led3=1;
-    mp3Board.write(mp3Chunk);
-    
-        
-    
-    fclose(mp3_file);
-    XDCS=1;
-    
-    led4=1;
-    
-}
+    if (mp3_file !=NULL)
+    {
+        uLCD.locate(0,1);
+        uLCD.printf("File found");
+        XDCS = 1;
+        XDCS = 0;
+        fileSize=getFileSize(mp3_file);
+            uLCD.locate(0,3);
+            uLCD.printf("Filesize: ");
+            uLCD.locate(0,4);
+            uLCD.printf(" %i", fileSize);
+        //fread(&mp3Chunk, 1, 1, mp3_file);
+            uLCD.locate(0,5);
+            uLCD.printf("mp3 file: ");
+            uLCD.locate(0,6);
+            uLCD.printf(" %i", mp3_file);
+            uLCD.locate(0,7);
+            //uLCD.printf("mp3 chunk: ");
+            //uLCD.locate(0,8);
+            //uLCD.printf(" %i", mp3Chunk);
+        //would have funtion here passing the 8 bits to arm assembler code, hence the necessatity for 8 btis only!
+        //mp3Board.write(mp3Chunk);
+            uLCD.locate(0,10);
+            uLCD.printf("File writing...");
+//////////////////////////////////////////////////////////////////////////////
+        fread(&mp3Chunk, 1, 512, mp3_file);
+        for(int i=0; i<512; i++)
+        {
+            #ifndef FS_ONLY
+            //mp3Board.write(mp3Chunk[i]);
+            sdi_write(mp3Chunk[i]);
+                uLCD.locate(0,11);
+                uLCD.printf("... %i", i);
+                uLCD.locate(0,12);
+                uLCD.printf(".. %i", mp3Chunk[i]);
+            #endif
+        }
+        #ifndef FS_ONLY
+            //Volume set to 0 dB
+            XCS = 1; 
+            XDCS = 1;
+            XCS = 0;                               //enables SCI/disables SDI
+            while(!Dreq);                            //wait unitl data request is high
+            mp3Board.write(0x02);                        //SCI write
+            mp3Board.write(0x0B);                    //register address
+            mp3Board.write((0 >> 8) & 0xFF);            //write out first half of data word
+            mp3Board.write(0 & 0xFF);                //write out second half of data word
+            XCS = 1;                                //enables SDI/disables SCI
+            wait_us(5);
+        #endif
+        for(int n=0; n<2048; n++)
+        {
+            #ifndef FS_ONLY
+            sdi_write(0x00);
+                uLCD.locate(0,13);
+                uLCD.printf("... %i", n);
+            #endif
+        }
+////////////////////////////////////////////////////////////////////////   
+        fclose(mp3_file);
+            XDCS=1;
+            uLCD.locate(0,14);
+            uLCD.printf("File closing."); 
+    }
+    else
+    {
+        uLCD.locate(0,2);
+        uLCD.printf("File not found");
+    }
+    return 0;*/
+}
\ No newline at end of file