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Protocol Commands
Error Condition 2
HOST_TX
imager_TX
HOST_TX
timeout reached...
imager_TX
HOST_TX
(Retry Event)
imager_TX
HOST_TX
imager_TX
The protocol makes 3 retry attempts before data is flushed and transfer is aborted.
A-72
'RES' '0x1C' 'REQ' (Poll Unit 1 for data)
'0x1C' 'STX' <T/00000> 'ETX'
'Nothing' (Host should 'ACK' here)
'REQ' (Unit requests an 'ACK' again)
'NAK' (Host rejects data frame)
'0x1C' 'STX' <T/00000> 'ETX' (Unit sends again)
'ACK' (Host receives data)
'RES' (Terminate Transfer 1)
QX Hawk Industrial Imager User's Manual
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