FN-M16P Просмотр технического описания (PDF) - Unspecified

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производитель

FN-M16P

FN-M16P Embedded MP3 Audio Module

Unspecified 

Flyron Technology Co., Ltd.

3.5.2 Returned data after a track is finished playing

Track Played

1st track is finished playing in USB flash

2nd track is finished playing in USB flash

1st track is finished playing in SD card

2nd track is finished playing in SD card

Returned Data

7E FF 06 3C 00 00 01 xx xx EF

7E FF 06 3C 00 00 02 xx xx EF

7E FF 06 3D 00 00 01 xx xx EF

7E FF 06 3D 00 00 02 xx xx EF

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1). There is a returned data after a track is finished playing. For example, the returned data is 7E FF 06 3C 00 00 01

xx xx EF. 0x3C represents USB flash and 0x3D represents SD card. 0x00 and 0x01 represents the 1st track. 0x01

and 0xF4 represents the 500th track(0x01F4=500).

2). Because all of the files(tracks) in the storage device are read in physical sequence, the returned data still follow

the physical sequence, which needs to be noted.

3.5.3 Returned data of feedback from module

Module returns ACK

7E FF 06 41 00 00 00 xx xx EF

1). In order to enhance stability between data communication, the function of a feedback from module is added.

Once there is a feedback to MCU from the module, it means the module has successfully received the command

that MCU sent out. 0x41 is the returned command by module.

2). Users are free to choose this feedback or not. It’s also fine not to choose this function.

3.5.4 Returned data of errors

Returned Data of Errors

7E FF 06 40 00 00 01 xx xx EF

7E FF 06 40 00 00 02 xx xx EF

7E FF 06 40 00 00 03 xx xx EF

7E FF 06 40 00 00 04 xx xx EF

7E FF 06 40 00 00 05 xx xx EF

7E FF 06 40 00 00 06 xx xx EF

7E FF 06 40 00 00 07 xx xx EF

7E FF 06 40 00 00 08 xx xx EF

Meaning Description

Module busy(this info is returned when the initialization

is not done)

Currently sleep mode(supports only specified device in

sleep mode)

Serial receiving error(a frame has not been received

completely yet)

Checksum incorrect

Specified track is out of current track scope

Specified track is not found

Inter-cut error(a inter-cut operation only can be done

when a track is being played)

SD card reading failed(SD card pulled out or damaged)

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