Chao: /* AT Commands */

2021-03-09T15:58:26Z

AT Commands

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== Usage Memory MP3 File Date Update ==
=== Use SPI Flash ===
Update via USB Port
* Data can be quickly update via USB Port
* Attach USB port to your PC, SPI flash will be apeared as a disk
Flash Dump and Clone
* Flash also can be cloned/dump as a file, and copy to other flash
* Use CH341 SPI interface board to do so, you can find it in our store

=== Use MicroSD Card ===
* Directly copy data MP3 file into MicroSD card
* Board will reconigzed once card is inserted

=== Attached USB Disk to Board ===
* The board can also play MP3 file from the U-disk which attached to the board

=== Note ===
* The first File will be is not 1.mp3 or 1xx.mp3, it is the first file you copy into the medium, which either Flash or MicroSD card

== AT Commands ==
* Send Hex data, baudrate 9600
Play
* [Next song] 7E FF 06 01 00 00 00 FE FA EF
* [Previous song] 7E FF 06 02 00 00 00 FE F9 EF
* [Specified track] 7E FF 06 03 00 00 01 FE F7 EF
 

* 7E FF 06 03 00 00 01 EF specifies the first play
* 7E FF 06 03 00 00 02 EF specifies the second song
* 7E FF 06 03 00 00 0A EF specifies the tenth song
 

Volumn
* Volume plus 7E FF 06 04 00 00 00 FE F7 EF
* Volume reduction 7E FF 06 05 00 00 00 FE F6 EF

* [Specified volume] 7E FF 06 06 00 00 1E FE D7 EF
* [Specified EQ] 7E FF 06 07 00 00 01 FE F3 EF
Loop
* [Looping track] 7E FF 06 08 00 00 01 FE F2 EF

* 7E FF 06 06 00 00 1E EF The specified volume is 30 levels
* 7E FF 06 07 00 00 01 EF reserved
* 7E FF 06 08 00 00 01 EF Play the first song in loop
* 7E FF 06 08 00 00 02 EF Loop the second song
* 7E FF 06 08 00 00 0A EF Play the tenth track in loop

[Specify playback device]
* 7E FF 06 09 00 00 01 EF designated to play UDISK
* 7E FF 06 09 00 00 02 EF designated to play TF
* 7E FF 06 09 00 00 04 EF designated to play FLASH

mode
* [Enter sleep mode] 7E FF 06 0A 00 00 00 FE F1 EF
* [Wake up to sleep] 7E FF 06 0B 00 00 00 FE F0 EF
* [Module reset] 7E FF 06 0C 00 00 00 FE EF EF
* [Play] 7E FF 06 0D 00 00 00 FE EE EF
* [Pause] 7E FF 06 0E 00 00 00 FE ED EF

[Specify folder file name]
* 7E FF 06 0F 00 01 01 EF is designated as the folder of "01", and the track is "001"
* 7E FF 06 0F 00 01 02 EF is designated as the folder of "01", and the track is "002"
* 7E FF 06 0F 00 02 01 EF is designated as the folder of "02", and the track is "001"
* 7E FF 06 0F 00 03 01 EF is designated as the folder of "03", and the track is "001"
* 7E FF 06 0F 00 04 01 EF is designated as the "04" folder, and the track is "001"
* 7E FF 06 0F 00 05 01 EF is designated as the folder of "05", the track is "001"

 
* Play all in loop 7E FF 06 11 00 00 01 FE E9 EF
* 7E FF 06 14 00 10 FF FD D8 EF 7E FF 06 14 00 10 FF EF The folder designated as "01", the track is "0255"
* 7E FF 06 14 00 17 CF FE 01 EF 7E FF 06 14 00 17 CF EF The folder designated as "01", the track is "1999"
* 7E FF 06 14 00 C0 01 FE 26 EF 7E FF 06 14 00 C0 01 EF The folder designated as "12", the track is "0001"
* 7E FF 06 14 00 C0 FF FD 28 EF 7E FF 06 14 00 C0 FF EF The folder designated as "12", the track is "0255"
* 7E FF 06 14 00 C7 CF FD 51 EF 7E FF 06 14 00 C7 CF EF The folder designated as "12", the track is "1999"

* 7E FF 06 16 00 00 00 EF Stop software decoding
 
* 7E FF 06 17 00 00 02 EF designated 02 folder loop play
* 7E FF 06 17 00 00 01 EF designated 01 folder loop play
 
* 7E FF 06 30 00 00 02 EF designated 002 folder loop play
* 7E FF 06 30 00 00 01 EF designated 001 folder loop play
 
* 7E FF 06 18 00 00 00 EF random play
* 7E FF 06 19 00 00 00 EF Single loop playback is on
* 7E FF 06 19 00 00 01 EF Single loop playback is off
 
* 7E FF 06 1A 00 00 00 EF Open DAC
* 7E FF 06 1A 00 00 01 EF off DAC

Combination Play
* 7E FF 09 21 01 02 01 03 01 04 EF play [1,2][2,3][1,4]

Play with specify volume
* 7E FF 06 22 00 1E 01 EF 30 level volume to play the first song
* 7E FF 06 22 00 0F 01 EF 15 level volume to play the first song
* 7E FF 06 22 00 0F 02 EF 15 level volume to play the second song

 
* Set chip address 7E FF 06 80 00 0F 02 FE C8 EF
 
* Query the current online device 7E FF 06 3F 00 00 00 FE BC EF
* Query current status 7E FF 06 42 00 00 00 FE B9 EF
 
* [Check current EQ] 7E FF 06 44 00 00 00 FE B7 EF
* Total number of files in U disk 7E FF 06 47 00 00 00 FE B4 EF
* Total number of TF files 7E FF 06 48 00 00 00 FE B3 EF
* Total number of FLASH files 7E FF 06 49 00 00 00 FE B2 EF
 
* U Disk Current Track 7E FF 06 4B 00 00 00 FE B0 EF
* TF current track 7E FF 06 4C 00 00 00 FE AF EF
* FLASH Current folder track pointer 7E FF 06 4D 00 00 00 FE AE EF
* Query the total number of tracks in a folder 7E FF 06 4E 00 00 01 FE AC EF
* Query the total number of folders in TF or U disk 7E FF 06 4F 00 00 00 FE AC EF
 
* Current folder pointer [FLASH] 7E FF 06 61 00 00 00 FE 9A EF
 
* Query the total time currently playing 7E FF 06 80 00 00 00 FE 7B EF
* Query the current playing time 7E FF 06 81 00 00 00 FE 7A EF

[[category: EDMP3]]

EDMP3-4 - Revision history

Chao: /* AT Commands */