clemente di caprio / Mbed 2 deprecated VS1053_tst

VS1053 Library Program demonstration

Dependencies:   mbed VS1053lib MI0283QTlib

main.cpp@0:bc68fb9d73a4, 2012-05-26 (annotated)

Committer:
clemente
Date:
Sat May 26 17:42:43 2012 +0000
Revision:
0:bc68fb9d73a4

        

        
Who changed what in which revision?

        

            
                
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#include "mbed.h"





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#include "SDFileSystem.h"





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#include "VLSIcodec.h"





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#include "piano_A4.h"





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#include "MI0283QTlib.h"





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DigitalOut myled(LED2);





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DigitalOut DBG_LED(LED1);





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DigitalIn Volume( p30);





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DigitalIn Pause( p25);





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VS1053Codec codec( p11, p12, p13, p21, p22, p23, p24);





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FILE *fp;





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SDFileSystem sd(p5, p6, p7, p8, "sd");





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GLCD lcd(  p11, p12, p13, p14, p17, p26);





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void PlayPiano1( void);





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void displayGA( unsigned char *gaval, unsigned char *gapeak, unsigned char bands);





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unsigned char volval=0;





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Timer t;





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Serial pc(USBTX, USBRX);





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unsigned char buff[64];





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unsigned char gaval[14], gapeak[14];





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int main() {





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    int cnt;





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    pc.baud( 115200);





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    fp = fopen("/sd/mbed.txt", "w");





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    if ( fp == NULL) {





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        printf("Error opening file\n");





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        DBG_LED=1;





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        while(1);





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    }





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    fprintf( fp, "File mbed\n");





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    fclose( fp);





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    Volume.mode( PullUp);





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    Pause.mode( PullUp);





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   if ( (fp = fopen("/sd/sounds/0001.mp3", "r")) == NULL) {





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    DBG_LED=1;





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    printf("Errore apertura file MP3\r\n");





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    while(1);





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   }





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    //





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    lcd.backlightoff();





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    lcd.lcd_init();





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    lcd.lcd_clear( LCD_WHITE);





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    lcd.backlighton();





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    //





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    codec.init();





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    // codec.loadpatch();  





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    codec.loadgapatch();  





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    codec.setvolume( volval, volval);





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    printf("Sine Test\r\n");





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    codec.sinetest( 0x7d);





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    wait( .5);





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    codec.sinetest( 0x00);





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    printf("Riproduzione del file MP3\n\r");





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    codec.setbassboost( 15, 150);





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    codec.settrebleboost( 7, 15000);





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    codec.setvmeter();





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    //





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    unsigned short bands=codec.readgabands();





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    printf("GA: Num of bands:%d\r\n", bands);





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    t.start();





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    while( 1) {





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        cnt = fread(&buff[0], sizeof(buff[0]), sizeof(buff)/sizeof(buff[0]), fp);





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        // loop di riproduzione.





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        int iSize=0;





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        while( iSize < cnt) {





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            int count=32;





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            codec.testdreq();





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            while( count--) {





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                codec.writedata( buff[ iSize++]);





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                if ( iSize > cnt)





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                    break;





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            }





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        }    





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        // verifico l'esito della lettura. 





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        if ( feof( fp)) {





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            fclose( fp);





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            DBG_LED=1;





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            break;





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        }





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        //





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        if ( !Volume) {





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            volval++;





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            codec.setvolume( volval, volval);





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            printf("Set volume %d\n\r", volval);





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        }





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        //





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        if ( !Pause) {





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            // volume a zero





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            codec.setvolume( 0xFE, 0xFE);





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            // Aspetto finché il pulsante è premuto...





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            while( !Pause);





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            codec.setvolume( volval, volval);





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        }





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        //





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        int tm=t.read_ms();





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        //





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        if ( tm>=100) {





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            t.reset();





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            //





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            codec.readgavalue( &gaval[0], &gapeak[0]);





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            displayGA( &gaval[0], &gapeak[0], bands);





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#if 0            





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            printf("SValue: ");





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            for( int f=0; f<bands; f++) {





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                printf("%2d, ",gaval[f]);





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            }





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#else





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            printf("SPeak: ");





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            for( int f=0; f<bands; f++) {





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                printf("%2d, ",gapeak[f]);





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            }





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#endif            





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            printf("\r\n");





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        }





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    }





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    while(1) {





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        myled = 1;





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        wait(0.2);





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        myled = 0;





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        wait(0.2);





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    }





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}





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void PlayPiano1( void)





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{





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    // piano_note





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    int cnt=sizeof(piano_A4)/sizeof(piano_A4[0]);





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    printf("Riproduzione file MP3 piano_note [%d]\n\r", cnt);





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    //





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    int iSize=0;





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    while( iSize < cnt) {





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        int count=32;





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        codec.testdreq();





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        while( count--) {





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            codec.writedata( piano_A4[ iSize++]);





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            if ( iSize > cnt)





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                break;





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        }





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    }





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}





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#define cBAR_MUL    2                       // moltiplicatore per aumentare il valore max della barra.





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#define cBAR_MAX    31                      // massimo valore raggiunto dalla barra, come definito dal VS1053





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#define cBAR_W      5                       // spessore barra





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#define cBAR_H      (cBAR_MUL*cBAR_MAX)     // altezza della barra





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#define cBAR_S      1                       // distanza tra le barre





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#define cBAR_X      20                      // coordinata x iniziale





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#define cBAR_Y      150                     // coordinata y iniziale  





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const unsigned int bandscl[14]={ 0xff0000,0xff9933,0xffff66,0x99cc00,0x00ff00,0x33cc66,0x33ffcc,0x99ffff,0x0033cc,0x6666ff,





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                                 0x9933cc,0xccccff,0x0066ff,0x333ff};





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void displayGA( unsigned char *gaval, unsigned char *gapeak, unsigned char bands)





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{





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    lcd.lcd_clear( cBAR_X, cBAR_Y, (cBAR_W+cBAR_S)*bands, cBAR_H, LCD_WHITE);





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    for ( int i=0; i<bands; i++) {





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        //





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        // lcd.lcd_clear( cBAR_X+(( cBAR_W+cBAR_S)*i), cBAR_Y, cBAR_W, cBAR_H, LCD_WHITE);





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        // lcd.lcd_clear(unsigned int x0, unsigned int y0, unsigned int w, unsigned int h, unsigned int color)





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        lcd.lcd_clear( cBAR_X+(( cBAR_W+cBAR_S)*i), cBAR_Y+(cBAR_H-(gaval[i]*cBAR_MUL) ), cBAR_W, gaval[i]*cBAR_MUL, bandscl[i]);





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    }





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}