Parent Directory | Revision Log
Added a note describing the protocol
1 | torben | 21 | Protokol-design |
2 | |||
3 | Hvis der ikke er en payload skrives -- | ||
4 | |||
5 | 0) Hello | ||
6 | -> Terminal-Id | ||
7 | <- Ack/Nack | ||
8 | |||
9 | 1) Hent vare beskrivelse | ||
10 | -> Barcode,antal | ||
11 | <- Pris,Beskrivelse | ||
12 | |||
13 | 2) Ikke flere varer, Beregen sum | ||
14 | -> -- | ||
15 | <- Sum | ||
16 | |||
17 | 3) Betalt | ||
18 | -> Sum betalt | ||
19 | <- Bytte sum | ||
20 | |||
21 | 4) Annulér sidste scanning | ||
22 | -> -- | ||
23 | <- Ack/Nack | ||
24 | |||
25 | 5) Annulér hele sessionen | ||
26 | -> -- | ||
27 | <- Ack/Nack | ||
28 | |||
29 | 6) Goodbye | ||
30 | -> -- | ||
31 | <- Ack/Nack | ||
32 |
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