Wireless best MP3 player

Wireless best MP3 player

best Mp3 player mainly involves the SD, U plate and external media read, and one is the file system, Windows down most of the format is fat, fat32 file system, just this a few things out of the former, so it should be distinguished.
So to the BBS on found a senior production material as reference, the source is found in after the establishment of IAR, do not know to compile the environment or other reasons, the target file download to chip can't normal use. So simply change yourself, this time in the keil 4 the establishment, feel keil 4 to find everything new and fresh after a feeling, IAR although also used, but in the next lane than keil 2 51 experience, keil is conveniently.
best Mp3 player production have two basic components, SD card and decoder chip is VS1003 driver. The chips with lpc2103, before LPC1768 used, this should is not the problem, it is the similarities and differences of internal registers SD card and VS1003 have used the SPI, just lpc2103 has SPI and SSP, very suitable for the two parts of the reading and writing interface. Configuration good SPI after, but have been unable to VS1003 reading and writing, so I could take an oscilloscope see the SPI data port, found that also do not have what problem, make a day, finally the wiring board to welding once, to electricity to run programs, when ran to the sine best Mp3 player wave test program, headset finally voice out, almost shock the ears.