📄 mp3_player_06.c
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{
Print_ICON_12(30,36,Speaker);
LCD_print12(42,36,volume);
lcdUpdateDisplay();
}
}
break;
case 'z':
case 'Z':
case 0x42: /* volume down */
if(vol_temp == 0);
else
{
vol_temp--;
vol = (uint8)(255-(((uint16)vol_temp)*255)/100);
vol = (vol<<8) +vol;
VS1003B_SetVolume(vol);
volume[0] = vol_temp/10 + 0x30;
volume[1] = vol_temp%10 +0x30;
printf_P(PSTR("\r\nVolume: %s"),volume);
if(lrc == 0 || HanziEnable == 0)
{
LCD_print12(72,36,volume);
lcdUpdateDisplay();
}
else
{
Print_ICON_12(30,36,Speaker);
LCD_print12(42,36,volume);
lcdUpdateDisplay();
}
}
break;
case '.':
case '>':
case 0x43: /* next songs */
songs++;
if(songs > totalsongs)songs=1;
free(buffer);
goto next;
break;
case ',':
case '<':
case 0x44: /* previous songs */
if(songs == 1)songs=totalsongs;
else songs--;
free(buffer);
goto next;
break;
case 0x0d:
case 0x0a:
case 0x20: /* play/pause */
if(flag)
{
flag=0;
printf_P(PSTR("\r\nPause"));
if(lrc == 0 || HanziEnable == 0)
{
Print_ICON_12(18,0,Pause);
lcdUpdateDisplay();
}
}
else
{
flag=1;
printf_P(PSTR("\r\nPlaying"));
if(lrc == 0 || HanziEnable == 0)
{
Print_ICON_12(18,0,Playing);
lcdUpdateDisplay();
}
}
break;
// case 0x2e:
// case 0x2c:
// case 'x':
// case 'z':
case 'M':
case 'm': /* mode select */
if(mode==REPET_ALL)
{
mode=REPET_ONE;
}
else if(mode==REPET_ONE)//next mode is shuffle
{
mode=RANDOM;
srandom(((unsigned long)TCNT1)<<16);//产生随机数的种子
}
else
{
mode=REPET_ALL;
}
if(lrc == 0 || HanziEnable == 0)
{
switch(mode)
{
case REPET_ALL:Print_ICON_12(72,0,RepetAll);printf_P(PSTR("\r\nSet mode -> repet all"));break;
case REPET_ONE:Print_ICON_12(72,0,RepetOne);printf_P(PSTR("\r\nSet mode -> repet one"));break;
case RANDOM :Print_ICON_12(72,0,Shuffle);printf_P(PSTR("\r\nSet mode -> shuffle"));break;
default:break;
}
lcdUpdateDisplay();
}
else
{
switch(mode)
{
case REPET_ALL:Print_ICON_12(18,36,RepetAll);printf_P(PSTR("\r\nSet mode -> repet all"));break;
case REPET_ONE:Print_ICON_12(18,36,RepetOne);printf_P(PSTR("\r\nSet mode -> repet one"));break;
case RANDOM :Print_ICON_12(18,36,Shuffle);printf_P(PSTR("\r\nSet mode -> shuffle"));break;
default:break;
}
lcdUpdateDisplay();
}
default: temp=0;
}
}
/* above is the code of uart control */
/**********************************************************************************************************/
#endif
#if STOP_KEY
if((PINE&STOP)==0 /*&& keylen==0*/)//播放暂停键 //key PLAY/PAUSE
{
blkeyflag = 0;
Delay(100);
if(!(PINE&STOP))
{
while(!(PINE&STOP));
if(flag)
{
flag=0;
// printf_P(PSTR("\r\nPause"));
if(lrc == 0 || HanziEnable == 0)
{
Print_ICON_12(18,0,Pause);
lcdUpdateDisplay();
}
else
{
Print_ICON_12(42,36,Pause);
lcdUpdateDisplay();
}
}
else
{
flag=1;
// printf_P(PSTR("\r\nPlaying"));
if(lrc == 0 || HanziEnable == 0)
{
Print_ICON_12(18,0,Playing);
lcdUpdateDisplay();
}
else
{
Print_ICON_12(42,36,Playing);
lcdUpdateDisplay();
}
}
Delay(1000);
}
}
else if(!(PINE&DOWN) && keylen==0) //音量- //Volume down
#else
if(!(PINE & DOWN) && keylen==0) //音量-
#endif
{
blkeyflag = 0;
Delay(100);
if(!(PINE & DOWN))
{
keylen=200;
if(vol_temp == 0);
else
{
vol_temp--;
vol = (uint8)(255-(((uint16)vol_temp)*255)/100);
vol = (vol<<8) +vol;
VS1003B_SetVolume(vol);
volume[0] = vol_temp/10 + 0x30;
volume[1] = vol_temp%10 +0x30;
// printf_P(PSTR("\r\nTurn volume down to: %s"),volume);
if(lrc == 0 || HanziEnable == 0)
{
LCD_print12(72,36,volume);
lcdUpdateDisplay();
}
else
{
Print_ICON_12(30,36,Speaker);
LCD_print12(42,36,volume);
lcdUpdateDisplay();
}
}
}
}
else if(!(PINE & UP) && keylen==0) //音量+ //Volume up
{
blkeyflag = 0;
Delay(100);
if(!(PINE & UP))
{
keylen=200;
if(vol_temp == 99);
else
{
vol_temp++;
vol = (uint8)(255-(((uint16)vol_temp)*255)/100);
vol =(vol<<8) + vol;
VS1003B_SetVolume(vol);
volume[0] = vol_temp/10 + 0x30;
volume[1] = vol_temp%10 +0x30;
// printf_P(PSTR("\r\nTurn volume up to: %s"),volume);
if(lrc == 0 || HanziEnable == 0)
{
LCD_print12(72,36,volume);
lcdUpdateDisplay();
}
else
{
Print_ICON_12(30,36,Speaker);
LCD_print12(42,36,volume);
lcdUpdateDisplay();
}
}
}
}
else if(!(PINE & NEXT)) //下一首 next songs
{
blkeyflag = 0;
Delay(50000);
if(!(PINE & NEXT))
{
while(!(PINE & NEXT));
songs++;
if(songs > totalsongs)songs=1;
{
free(buffer);
goto next;
}
}
}
else if(!(PINE & PREV)) //上一首 previous songs
{
blkeyflag = 0;
Delay(5000);
if(!(PINE & PREV))
{
while(!(PINE&PREV));
if(songs == 1)songs=totalsongs;
else songs--;
{
free(buffer);
goto next;
}
}
}
else if(((!(PINE & MODE)) || blkeyflag) && keylen==0 ) //模式 //mode key
{
// keycnt++;
Delay(50);
if(blkeyflag == 0)
{
blkeyflag = 1;
keycnt = 0;
}
else
{
if(!(PINE & MODE))
{
keycnt ++;
keylen=0xfff;
if(keycnt>5)
{
LCD_BL_INV;
blkeyflag = 0;
keylen=0xffff;
}
}
else
{
blkeyflag = 0;
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(((unsigned long)TCNT1)<<16);//产生随机数的种子
}
else
{
mode=REPET_ALL;
// LED1_OFF();
// LED2_OFF();
}
if(lrc == 0 || HanziEnable == 0)
{
switch(mode)
{
case REPET_ALL:Print_ICON_12(72,0,RepetAll);/*printf_P(PSTR("\r\nSet mode -> repet all"));*/break;
case REPET_ONE:Print_ICON_12(72,0,RepetOne);/*printf_P(PSTR("\r\nSet mode -> repet one"));*/break;
case RANDOM :Print_ICON_12(72,0,Shuffle);/*printf_P(PSTR("\r\nSet mode -> shuffle"));*/break;
default:break;
}
lcdUpdateDisplay();
}
else
{
switch(mode)
{
case REPET_ALL:Print_ICON_12(18,36,RepetAll);/*printf_P(PSTR("\r\nSet mode -> repet all"));*/break;
case REPET_ONE:Print_ICON_12(18,36,RepetOne);/*printf_P(PSTR("\r\nSet mode -> repet one"));*/break;
case RANDOM :Print_ICON_12(18,36,Shuffle);/*printf_P(PSTR("\r\nSet mode -> shuffle"));*/break;
default:break;
}
lcdUpdateDisplay();
}
}
}
Delay(100);
}
}
sector++;
free(buffer);
}
i=0;
p=FAT_NextCluster(p);
//p=FAT_NextCluster_NEW(p);//读下一簇数据 //read next cluster
if(p == 0x0fffffff || p == 0x0ffffff8 || (FAT32_Enable == 0 && p == 0xffff))//如果无后续簇则结束， //no more cluster
{
if(mode==REPET_ALL)songs++;
if(songs>totalsongs)songs=1;
goto next;
}
}
}
int main()
{
unsigned char temp;
DDRE = 0x00;
PORTE = 0xff;
PORTB |= 1<<PB0; /* we should make sure that AVR's SS pin is held high no mater the spi is master or slave*/
LCD_BL_CON;
LCD_BL_ON;
OSCCAL = 0xff;
VS1003B_Init();
lcdInit();
if(MCUCSR & 1<<BORF)
{
lcdClrDisBuf();
LCD_print12_P(0,12,PSTR("Low Battery!!!"));
lcdUpdateDisplay();
while(1);
}
#if 0
lcdClrDisBuf();
LCD_print12_P(0,0,PSTR(" Mp3 Player\nX-mas Special\nFor Sara Ye\n-- by Michael"));
lcdUpdateDisplay();
for(temp = 0;temp<40;temp++)
Delay(0xffff);
#endif
OSCCAL = 0xff;
lcdClrDisBuf();
LCD_print12_P(0,0,PSTR("Pls insert SD card!"));
lcdUpdateDisplay();
while(MMC_SD_Init());
FAT_ReadSector = MMC_SD_ReadSingleBlock;//device read
FAT_WriteSector = MMC_SD_WriteSingleBlock;//device write
FAT_ReadCapacity = MMC_SD_ReadCapacity;//read capacity
if(FAT_Init())
{
lcdClrDisBuf();
LCD_print12_P(0,0,PSTR("Wrong FAT!\nSystem halted!\nPls reset the\nsystem! -bozai"));
lcdUpdateDisplay();
while(1);
}//初始化FAT文件系统
if(GBK_Ini())
{
lcdClrDisBuf();
LCD_print12_P(0,0,PSTR("Firmware lost!\nPress start to\ncontinue!\n --By bozai"));
lcdUpdateDisplay();
HanziEnable = 0;
}
else
{
lcdClrDisBuf();
//LCD_print12_P(0,0,PSTR(" 固件正常！\n MP3 for 叶敏\n -- by 章其波\n 按开始键继续"));
LCD_print12_P(0,0,PSTR("固件正常！\nMP3 player\nby 赵亮,章其波按开始键继续"));
lcdUpdateDisplay();
HanziEnable = 1;
}
#if STOP_KEY
while(PINE & STOP);
#else
while(PINE & MODE);
#endif
#if FIX_DIRECTORY
//printf_P(PSTR("\r\nSearch the folder %s\r\n"),MUSIC_PATH);
Search(MUSIC_PATH,&MusicInfo,&totalsongs,&type);//搜索歌曲
#else
//printf_P(PSTR("\r\n\r\nSearch & record folder information....."));
//printf_P(PSTR("\r\nNOTE: MAX folder amount is %d for we only use %dBytes EEPROM to store the info\r\n"),(RECORD_ADDR_END-RECORD_ADDR_START)/4 -1,RECORD_ADDR_END-RECORD_ADDR_START);
SearchInit();
Search(0,&MusicInfo,&totalsongs,&type);//搜索歌曲
#endif
PlayMusicwithKey();
while(1);
}
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