EUCHNER AS-i 3.0 Command Interface - Manual (Page 22)

AS-i 3.0 Command Interface Commands of the Command Interface
Subject to reasonable modifications due to technical advances Id.-No.: 102875 Issue date - 3.12.2007 EUCHNER GmbH + Co. KG
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It is recommended to start reading the data always using index i
≡ 0. This message
also contains the header. The user data length is therefore reduced by 3 bytes.
Data with length i
≡ 0 can be read successfull only once. Each further read
command with length i
≡ 0 ist quit with an error. Therefore further read pro-
cess (sections) must be carried out with i >0!
Response buffer
Byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1 command 1
1. FFh signifies transfer still active, FEh signified transfer interrupted with errors. In the correct case the command from
WRITE_ACYC_TRANS is given here.
2 length byt 2 e n (high)
2. Transmit buffer length n
3 length byte n (low)
4 data 0
... ...
n+3 data n-1
For further information monitor with ACYC_TRANS, page 88>
i=0
i=m-2
read section of the string
command
length byte high
length byte low
data 0
data n-1
command
length byte high
length byte low
data 0
data n-1
m - command interface response length
n - transmit buffer length