Communication Protocol
3.7Player Management
3.7.1 | Player Reset | After a Player warm or cold reset, Remote Controller shall wait on its RX line the | ||
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| SYSTEM_ACK frame. This means that the AT83SND2CMP3 is ready to communicate. | ||
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| Figure |
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| C o n tro lle r_ R x |
| S Y S T E M |
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| _ A C K | |
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| C o n tro lle r_ T x | S Y S T E M | G E T _ S T A T U S |
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| _R E S E T | ||
A T 8 X C 51 S N D 2
R es et and init
Table
Controller_Rx
Controller_Tx
AT83SND2CMP3 Hardware Reset
SYSTEM
_ACK
GET_STATUS
AT8XC51SND2
Initialization
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| Note: After AT83SND2CMP3 |
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| SYSTEM_ACK frame on its RX line. |
3.7.2 | Player’s Status | Player status byte reflects in real time all the events that occur in the AT83SND2CMP3: |
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| memory error, playing or not, new file name available, USB events... |
Remote Controller should have a polling management with the GET_STATUS command to refresh the Player’s status.
The Player’s Status Byte contains informations like:
Playing or idle
Memory Error
USB Connection
USB File Transfer
New File Name available
CheckSum Error
AT83SND2CMP3 User Guide |