E-mail: info@flyrontech.com
Flyron Technology Co., Ltd. FN-BC07 MP3 Sound Module with 15W Amplifier
Specify playback of SPI flash
7E FF 06 09 00 00 04 FE EE EF
1) The module supports two types of playback devices (micro SD card and on-board SPI flash).
2) It automatically enters into the standby status after specifying a device, waiting for MCU to specify a track to
play. It takes about 200ms from specifying device to the module finishes initialization of file system. Please wait
for 200ms and then send the specified command to play a track.
3.4.5. Set baud rate (0x0B)
Descriptions for baud rate parameters:
1) The default baud rate of the device is 9600. After the baud rate is set, the chip will memorize it, and the baud rate will become the
set baud rate after the device is re-powered on.
2) After setting the baud rate, please wait for 1 second, and then send the reset command [0x0C], or power off and restart to take
effect.
3.4.6. Specify playback of a track in a folder (0x0F)
Specify playback of track 001 in the folder 01
7E FF 06 0F 00 01 01 xx xx EF
Specify playback of track 100 in the folder 11
7E FF 06 0F 00 0B 64 xx xx EF
Specify playback of track 255 in the folder 99
7E FF 06 0F 00 63 FF xx xx EF
1) The default folders are named as "01", "11", “99” in this way. In order to be with a better system stability, it is made to support
maximum 99 folders and maximum 255 tracks in each folder..
2) For example, if specify to play “100.mp3” in the folder "01", send the command 7E FF 06 0F 00 01 64 xx xx EF.
MSB: represents the name of the folder, maximum supports 99 folders from 01 - 99.
LSB: represents the track, maximum supports 255 tracks from “0x01” to “0xFF”.
3) You must specify both the folder and the file name to target a track. This feature supports MP3 and WAV audio formats.
4) The following two images illustrating the naming method of folders and files.
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