User`s manual

Software Manual • EKF Intelligent I/O Controller Family On CompactPCI
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EKF Elektronik GmbH * Philipp-Reis-Str. 4 * D-59065 HAMM (Germany)
Tel. [phone] * Fax. [phone] * E-Mail [e-mail] * Internet http://www.ekf.de
Get Special Characters: CMDIMR_GET_CHARS
Description:
This command is used to get the special characters currently set on a
port specified by the port identifier.
Command Code:
29.
Command Data:
None.
Parameters:
None.
Data:
None.
Command Word:
0x0Y1D 0000
Flags Port ID Command Command Data
E
R
R
R
P
L
C
P
L
U
F
ID
3
ID
2
ID
1
ID
0
C
7
C
6
C
5
C
4
C
3
C
2
C
1
C
0
D
15
D
14
D
13
D
12
D
11
D
10
D
09
D
08
D
07
D
06
D
05
D
04
D
03
D
02
D
01
D0
0
0000YYYY000111010000000000000000
31 28 27 24 23 16 15 8 7 0
Reply:
Flags Port ID Command Command Data
E
R
R
R
P
L
C
P
L
U
F
ID
3
ID
2
ID
1
ID
0
C
7
C
6
C
5
C
4
C
3
C
2
C
1
C
0
D
15
D
14
D
13
D
12
D
11
D
10
D
09
D
08
D
07
D
06
D
05
D
04
D
03
D
02
D
01
D0
0
X110YYYY00011101BBBBBBBBBBBBBBBB
31 28 27 24 23 16 15 8 7 0
The controller returns the size in bytes of the special characters structure
in bits 15:00 with the RPL and CPL flags set. The special characters
currently set are returned as a structure of type EKF16550_CHARS in
the outbound parameter area.
On error the RPL, CPL and ERR flags are set and an error code is
passed in bits 15:00 of the reply word.
Notes:
See section “
EKF16550_CHARS
” for a description of the special
characters structure.
This command is acceptable for serial ports only.
This command is currently not supported.