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[AVR] problem with mp3 code in avr studio

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ghoola

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what are those error saying please help me?
../FAT/FAT.c:427: warning: passing argument 1 of '__eewr_byte_m8' makes pointer from integer without a cast
../FAT/FAT.c:428: warning: passing argument 1 of '__eewr_byte_m8' makes pointer from integer without a cast
../FAT/FAT.c:429: warning: passing argument 1 of '__eewr_byte_m8' makes pointer from integer without a cast
../FAT/FAT.c:430: warning: passing argument 1 of '__eewr_byte_m8' makes pointer from integer without a cast
../FAT/FAT.c: In function 'GetFolderCluster':
../FAT/FAT.c:436: warning: passing argument 1 of '__eerd_byte_m8' makes pointer from integer without a cast
../FAT/FAT.c:438: warning: passing argument 1 of '__eerd_byte_m8' makes pointer from integer without a cast
../FAT/FAT.c:440: warning: passing argument 1 of '__eerd_byte_m8' makes pointer from integer without a cast
../FAT/FAT.c:442: warning: passing argument 1 of '__eerd_byte_m8' makes pointer from integer without a cast
../FAT/FAT.c: In function 'SearchInit':
../FAT/FAT.c:586: warning: control reaches end of non-void function

the main code is

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#include<avr/io.h>
#include"MMC_SD/MMC_SD.h" //head files
#include"FAT/FAT.h"
#include"VS1003B/VS1003B.h"
#include<avr/pgmspace.h>
 
#define uint8 unsigned char
#define uint16 unsigned int
#define uint32 unsigned long
 
#if FIX_DIRECTORY
#define PATH (unsigned char *)("\\music")
#endif
//It's the path where the file placed
//Change it if you want to placed it to anoter foler
//The path should not have blanks, and each foler name's length should less than 8 with no extention
 
//diagnose and state indicate leds
//at start up this two led indicate error
//at normal they indicate the state of the MODE 
#define LED1_CON() DDRC|=_BV(PC5)
#define LED1_ON()  PORTC|=_BV(PC5)
#define LED1_OFF() PORTC&=~_BV(PC5)
 
#define LED2_CON() DDRB|=_BV(PB1)
#define LED2_ON()  PORTB|=_BV(PB1)
#define LED2_OFF() PORTB&=~_BV(PB1)
 
//keys
#define STOP _BV(PD2)
#define MODE _BV(PD3)
#define NEXT _BV(PD7)
#define UP   _BV(PD4)
#define DOWN _BV(PD6)
#define PREV _BV(PD5)
 
#define MP3 1
#define WMA 2
#define MID 3
 
//mode
#define REPET_ALL 0
#define REPET_ONE 1
#define RANDOM    2
 
extern uint16 SectorsPerClust;//ÿ´ØÉÈÇøÊý
extern uint16 FirstDataSector;//µÚÒ»¸öÊý¾ÝÉÈÇøÊý   //struct of file information
extern uint8  FAT32_Enable;
 
struct FileInfoStruct FileInfo;//ÎļþÐÅÏ¢
 
struct direntry MusicInfo;  //Òª²¥·ÅµÄmp3ÎļþÐÅÏ¢       //the mp3 file item whichi will be played
uint16 totalsongs;          //×ܵÄÒôÀÖÎļþÊýÄ¿          //total songs in the root directery on the SD card
uint8 type;                 //ÎļþÀàÐÍ                  //file type
 
uint8 track[128];           //stroe the information of songs (bit set indicate songs has been played)
 
void ClearTrackInfo()       //cleare the array track[128]
{
    uint8 i;
    for(i=0;i<128;i++)track[i] = 0;
}
 
uint8 SetTrack(uint16 songs)//set the track bit, return 1 means the song has been played
{
    uint8 byte_offset;
    uint8 bit_offset;
    songs--;
    byte_offset = songs/8;
    bit_offset = songs%8;
    if(track[byte_offset] & (1<<bit_offset))return 1;
    else
    {
        track[byte_offset] |= 1<<bit_offset;
        return 0;
    }
}
 
void Delay(uint16 n)//ÑÓʱ
{
    while(n--)asm("nop");
}
 
//Timer initialization offer seed of the srandom()
void Timer1_Initial()
{
 TCNT1H=0x00;
 TCNT1L=0x00;
 TCCR1B=0x01;//system clock;
 ICR1H=0xff;
 ICR1L=0xff;
}
 
void PlayMusic()//²¥·ÅÒôÀÖº¯Êý£¬Ò»µ©Ö´Ðв»»áÍ˳ö
{
    uint16 keylen;          //ÓÃÓÚ¼ü´¦Àí      //for key processing
    uint16 count;           //Êý¾Ý¼ÆÊý          //data counting
    uint8 i;                //Ñ*»·±äÁ¿           //loop variable
    uint16 j;               //Ñ*»·±äÁ¿           //loop variable
    uint32 p;               //´Øָʾֵ          //cluster
    uint32 totalsect;       //ÎļþÓµÓеÄÉÈÇøÊý  //cotain the total sector number of a file
    uint16 leftbytes;       //Ê£Óà×Ö½Ú          //cotain the left bytes number of a file //the last cluster usually not fully occupied by the file
    uint8 *buffer;          //»º³å              //buffer
    uint32 sector;          //ÉÈÇø              //recor the current sector to judge the end sector
    uint8 flag;             //²¥·Å/ÔÝÍ£±êÖ¾     //flag of pause
    uint16 vol=DefaultVolume;//³õʼÒôÁ¿£¬Ó¦Óëvs1003º¯ÊýÀïµÄ³õʼÒôÁ¿Ïàͬ   //default volume
    uint16 songs=1;         //ĬÈϷŵÚÒ»Ê×¸è  //play the fist songs by default
    uint8 mode=DEFAULT_MODE;//µ¥ÇúÖظ´          //repet all by default
    uint16 songs_cnt = 0;                   //how many songs have been played
    if(totalsongs==0)return;//Èç¹ûûÓиèÇúÔòÒì³£Í˳ö  //if no music file return
    uint32 rand_val;
    Timer1_Initial();//Æô¶¯¶¨Ê±Æ÷£¬ÓÃÓÚ²úÉúËæ»úº¯ÊýµÄÖÖ×Ó //initialize the timer
    ClearTrackInfo();
 
next://ÏÂÒ»Ê׸èµÄÆðʼµØ·½                     //label for "goto"
    if(mode==RANDOM)//Ëæ»ú²¥·Å¸èÇú              //if the mode is shuffle the songs
    {
        songs_cnt++;
        if(songs_cnt == totalsongs && totalsongs<1025)
        {
            ClearTrackInfo();
            songs_cnt = 0;
        }
        rand_val = TCNT1;
        Delay((random() && 0x00ff));
        rand_val <<= 16;
        rand_val += TCNT1;
        srandom(rand_val);
        if(totalsongs>1024)
        {
            songs = (uint16)(((random()/214749)*(uint32)totalsongs)/10000)+1;//Ëæ»ú²úÉú¸èÇúÐòºÅ //create random song number
        }
        while(totalsongs<1025)
        {
            songs = (uint16)(((random()/214749)*(uint32)totalsongs)/10000)+1;//Ëæ»ú²úÉú¸èÇúÐòºÅ //create random song number
            if(SetTrack(songs) == 0)break;
        }   
    }
    count=0;//Çå»ùÊý  //clear count
    flag=1;
    while(count<2048 && (type != MID))//recommand 2048 zeros honoring DREQ befor soft reset
    {                                   //ÓÃÓÚ´ÓwmaÌø³öµ½ÏÂÒ»Ê׸裬ºÍÒ»Ê׸è½áÊøÌî³äÊý¾Ý//midi¸ñʽ²»ÐèÒª
        if((VS1003B_PIN & _BV(VS1003B_DREQ))!=0)
        {
            for(j=0;j<32;j++)
            {
                VS1003B_WriteDAT(0x00);//Ìî³ä0  //fill 0
                count++;
            }
            if(count == 2047)break;
        }
    }
    VS1003B_SoftReset();//soft reset //in case of playing wma files//Èí¼þ¸´Î»
 
#if FIX_DIRECTORY
    Search(PATH,&MusicInfo,&songs,&type);       //ÕÒµ½ÏàÓ¦µÄÎļþ      //find the file
#else
    Search(&MusicInfo,&songs,&type);        //ÕÒµ½ÏàÓ¦µÄÎļþ      //find the file
#endif
 
    p     = MusicInfo.deStartCluster+(((uint32)MusicInfo.deHighClust)<<16);//¶ÁÎļþÊ×´Ø   //the first cluster of the file
        
    totalsect = MusicInfo.deFileSize/512; //¼ÆËãÉÈÇøÊý            //calculate the total sectors
    leftbytes = MusicInfo.deFileSize%512; //¼ÆËãÊ£ÓàµÄ×Ö½ÚÊý    //calculate the left bytes  
    i=0;
    sector=0;
    
    while(1)
    {
        keylen=0;
        for(;i<SectorsPerClust;i++)     //Ò»¸ö´Ø  //a cluster
        {
            buffer=malloc(512);
            FAT_LoadPartCluster(p,i,buffer);//¶ÁÒ»¸öÉÈÇø  //read a sector
            count=0;
            while(count<512)
            {
                if(flag==0){if(keylen){Delay(100);keylen--;}}
                else if(type == MID){if(keylen){Delay(100);keylen--;}}
                if((VS1003B_PIN & _BV(VS1003B_DREQ))!=0 && flag)    //¸ù¾ÝÐèÒªËÍÊý¾Ý  //send data  honoring DREQ
                {
                    for(j=0;j<32;j++)           //ÿ´ÎËÍ32¸öÊý¾Ý        //32 Bytes each time
                    {
                        VS1003B_WriteDAT(buffer[count]);
                        count++;
                    }
                    if(keylen)keylen--;         //ÓÃÓÚ¼ü´¦Àí          //for key processing
                    if(sector == totalsect && count >= leftbytes)       //Èç¹ûÎļþÒѽáÊø      //if this is the end of the file
                    {
                        if(type == MID)//waiting the midi file was decoded
                        {//¶ÔÓÚmidÒôÀÖÒª½Ó×ÅËÍ2048¸öÁã
                            count=0;
                            while(count<2048)//recommand 2048 zeros honoring DREQ goto next songs
                            {
                                if((VS1003B_PIN & _BV(VS1003B_DREQ))!=0 )
                                {
                                    for(j=0;j<32;j++)
                                    {
                                        VS1003B_WriteDAT(0x00);
                                        count++;
                                    }
                                    if(count == 2047)break;
                                }
                            }
                        }
                        i=SectorsPerClust;
                        break;
                    }//Îļþ½áÊø         //file ended
                    if(count == 511){break;}//512×Ö½ÚËÍÍêÌø³ö       //break if a sector was sent
                }
                if((PIND&STOP)==0 /*&& keylen==0*/)//²¥·ÅÔÝÍ£¼ü       //key PLAY/PAUSE
                {
                    Delay(100);
                    if(!(PIND&STOP))
                    {
                        while(!(PIND&STOP));
                         if(flag)flag=0;
                         else flag=1;
                         Delay(1000);
                     }
                 }
                else if(!(PIND&DOWN) && keylen==0)  //ÒôÁ¿-         //Volume down
                {
                    Delay(100);
                    if(!(PIND&DOWN))  
                    {
                    keylen=200;
                       vol=vol+((uint16)(1<<8)+1);
                       if(vol>=0xFEFE) vol=0xFEFE; 
                       else VS1003B_WriteCMD(0x0b,vol);
                     }
                 }
                 else if(!(PIND&UP) && keylen==0) //ÒôÁ¿+           //Volume up
                 {
                     Delay(100);
                     if(!(PIND&UP)) 
                     {
                     keylen=200;
                       vol=vol-((uint16)(1<<8)+1);
                       if(vol<=0x0101) vol=0x0101;
                       else VS1003B_WriteCMD(0x0b,vol);
                     }
                  }
                 else if(!(PIND&NEXT)) //ÏÂÒ»Ê×                       next songs
                 {
                    Delay(0x7fff);      
                    if(!(PIND&NEXT))
                    {
                        Delay(0x7fff);
                        if(!(PIND&NEXT))
                        {
                            while(!(PIND&NEXT));
                            songs++;
                            if(songs > totalsongs)songs=1;
                            {
                                free(buffer);
                            //  Delay(0xffff);
                                goto next;
                            }
                        }
                    }
                 }
                 else if(!(PIND&PREV)) //ÉÏÒ»Ê×                       previous songs
                 {
                    Delay(0x7fff);      
                    if(!(PIND&PREV))
                    {
                        Delay(0x7fff);
                        if(!(PIND&PREV))
                        {
                            while(!(PIND&PREV));
                            if(songs == 1)songs=totalsongs;
                            else songs--;
                            {
                                free(buffer);
                            //  Delay(0xffff);
                                goto next;
                            }
                        }
                    }
                 }
                 else if((!(PIND&MODE)) && keylen==0) //ģʽ            //mode key
                 {
                    Delay(100);     
                    if(!(PIND&MODE))
                    {
                        keylen=0xffff;
                        if(mode==REPET_ALL)
                        {
                            mode=REPET_ONE;
                            LED1_ON();
                            LED2_OFF();
                        }
                        else if(mode==REPET_ONE)//next mode is shuffle
                        {
                            mode=RANDOM;
                            LED1_OFF();
                            LED2_ON();
                            srandom(((uint32)TCNT1)<<16);//²úÉúËæ»úÊýµÄÖÖ×Ó
                        }
                        else 
                        {
                            mode=REPET_ALL;
                            LED1_OFF();
                            LED2_OFF();
                        }
                    }
                 }
            }
            sector++;
            free(buffer);
        }
        i=0;
        p=FAT_NextCluster(p);//¶ÁÏÂÒ»´ØÊý¾Ý         //read next cluster
        if(p == 0x0fffffff || p == 0x0ffffff8 || (FAT32_Enable == 0 && p == 0xffff))//Èç¹ûÎÞºóÐø´ØÔò½áÊø£¬  //no more cluster
        {
                if(mode==REPET_ALL)songs++;
                if(songs>totalsongs)songs=1;
                goto next;
        }
    }
}
 
//main function
int main()
{
    uint8 retry = 0;
 
    DDRD &= 0x03;//³õʼ»¯¶Ë¿Ú
    PORTD |= 0xfc;
    
    LED1_CON();
    LED1_OFF();
    LED2_CON();
    LED2_OFF();
 
 
    OSCCAL = 0x00;//×îСRCÕñµ´ÆµÂÊ  //in order to operate some low speed card the initialization should run at lowest speed
 
    Delay(0xffff);
 
    MMC_SD_Init();//³õʼ»¯spi¿Ú     //SPI initialize
 
    Delay(0xffff);
 
    if(VS1003B_Init())
    {
        //LED1_ON();//ÅäÖÃVS1003    //config vs1003
        while(1)
        {
            LED1_ON();
            Delay(0xffff);
            LED1_OFF();
            Delay(0xffff);
        }
    }
    Delay(0xffff);//Ìṩ×ã¹»µÄÑÓʱ                //supply enough delay
//  Delay(0xffff);
//  Delay(0xffff);
//  Delay(0xffff);
//  Delay(0xffff);
 
    while(MMC_SD_Reset())//³õʼ»¯SD¿¨                   //sd card initialize
    {
        retry++;
        if(retry>20)
        {
        //  LED2_ON();
            while(1)
            {
                LED2_ON();
                Delay(0xffff);
                LED2_OFF();
                Delay(0xffff);
            }
        }
    }
 
    OSCCAL = 0xff;//×î´óRCÕñµ´ÆµÂÊ              //normal operation maximum the frequency
 
    Delay(0xffff);                              //wait for stable
 
    if(FAT_Init())//³õʼ»¯Îļþϵͳ Ö§³ÖFAT16ºÍFAT32 //initialize file system  FAT16 and FAT32 are supported
    {
    //  LED1_ON();
    //  LED2_ON();
    //  while(1);
        while(1)
        {
            LED1_ON();LED2_ON();
            Delay(0xffff);
            LED1_OFF();LED2_OFF();
            Delay(0xffff);
        }
 
    }
 
#if FIX_DIRECTORY
    Search(PATH,&MusicInfo,&totalsongs,&type);//ËÑË÷¸ùĿϵĸèÇú ²»°üº¬×ÓĿ¼
#else
    SearchInit();
    Search(&MusicInfo,&totalsongs,&type);//ËÑË÷¸ùĿϵĸèÇú
#endif
 
    //Ò²¿ÉÒÔÖ¸¶¨Îļþ¼Ð ÈçSearch("\\new\\mp3",&MusicInfo,&totalsongs,&type);
    //´ú±íÔÚ¸ùĿ¼ÏµÄnewÎļþ¼ÐϵÄmp3ÎļþϵÄÒôÀÖÎļþ
 
    //search the songs in the root directery on the SD card
    //You can also specify the directery where the songs are placed
    //eg: Search("\\new\\mp3",&MusicInfo,&totalsongs,&type);
    //      means search the file in the foler C:\new\mp3
 
    PlayMusic();//²¥·Å¸èÇú      //play songs
    while(1)
    {
        while(1)
        {
            LED1_ON();LED2_OFF();
            Delay(0xffff);
            LED2_ON();LED1_OFF();
            Delay(0xffff);
        }
    }
    return 0;
}

 

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