WTV020-SD-20SS SD Card U Disk Audio Player Interface

[andybarrett1]

Thank you all of you for help advice so far.

Some interesting bits of info I am digesting

BR
Andy

[aerostar]

The commands are easy - the pdf gives them, here are 3


HSEROUT [$7E,$FF,$06,$03,$00,$00,MESSAGE,$EF] ' Plays file from sd card - eg if if button 5 is pushed then make variable MESSAGE =5, the fifth file will play.


HSEROUT [$7E,$FF,$06,$06,$00,$00,VOLUME,$EF] ' VOLUME (1 to 30) It will remember the setting after a powerdown.


HSEROUT [$7E,$FF,$06,$16,$00,$00,$00,$EF] 'STOP PLAY


Things to note

When copying your mp3 files to sd card, make sure the card

is blank, and then copy each 1 on to it seperately.

The reason being is that it takes no notice of the name,

it plays back the files in the order they are put on the

SD card. But for ease of use I name them 001, 002 etc

Alternatively there is a program that will put files in the order you need on the sdcard.
It is called drivesort http://www.anerty.net/software/file/DriveSort/?lang=en


Things to remember on startup send the stop command in case it autoplays.
Send the stop command prior to sending a play command, I cannot remember if when you send another play command it stops the current one, or queues it for play after current one ends.

Correction to previous posting re busy, there is a proper busy signal on the actual chip, it is pin 10, but you will need to VERY carefully solder a thin wire to it and connect that to your PIC for the busy signal.


http://www.da-share.com/files/datash...X5300_Docs.zip Has program and data sheets in the zip -

See page 5 of zipped datasheet - the pdf is in Chinese, but info of pinout is in English