|
HOST_TX
|
`RES' `0x1C' `REQ' (Poll Unit 1 for data)
|
|
SCANNER_TX
|
`0x1C' `STX' <T/00000> `ETX' `LRC'
|
|
HOST_TX
|
`Nothing' (Host should `ACK' here)
|
|
timeout reached...
|
|
SCANNER_TX
|
`REQ' (Unit requests an `ACK' again)
|
|
timeout reached...
|
|
SCANNER_TX
|
`REQ' (Unit requests an `ACK' again)
|
|
timeout reached...
|
|
SCANNER_TX
|
`REQ' (Unit requests an `ACK' again)
|
|
timeout reached...
|
|
SCANNER_TX
|
`RES' (Terminate Transfer 1, data is flushed)
|
