> i used a made a nasty pgm that connect through tcp to the openocd tcl
> interface (port 4444), and to get openocd to do stuff i have send a \n
> for example, "reset" will not do anything, but "reset\n" does what
> it's supposed to do.
> haven't tried the gdb port.
>
> salú!
Hi there! Thank you for sharing this hint!
However, it seems this is not the problem in my case; looking at the
message sent by Wireshark (network analyzer) I can see that the word
"halt" was suffixed by 0d0a (\r\n) which should indicate clearly to the
server that the command is to be treated, as far as I understand.
It seems I forgot to attach the wireshark output in my original mail, so
I'm sending it this time. In this file (capture.txt), on line 82, we can
clearly see the command sent "0000 68 61 6c 74 0d 0a
halt.." which contains the '\r\n' character.
salut!
No. Time Source Destination Protocol Info
1 0.000000 127.0.0.1 127.0.0.1 TCP 56676
> ircu [SYN] Seq=0 Win=32792 Len=0 MSS=16396 SACK_PERM=1 TSV=8764451 TSER=0 WS=7
Frame 1: 74 bytes on wire (592 bits), 74 bytes captured (592 bits)
Ethernet II, Src: 00:00:00_00:00:00 (00:00:00:00:00:00), Dst: 00:00:00_00:00:00
(00:00:00:00:00:00)
Internet Protocol, Src: 127.0.0.1 (127.0.0.1), Dst: 127.0.0.1 (127.0.0.1)
Transmission Control Protocol, Src Port: 56676 (56676), Dst Port: ircu (6666),
Seq: 0, Len: 0
Source port: 56676 (56676)
Destination port: ircu (6666)
[Stream index: 0]
Sequence number: 0 (relative sequence number)
Header length: 40 bytes
Flags: 0x02 (SYN)
Window size: 32792
Checksum: 0xfe30 [validation disabled]
Options: (20 bytes)
No. Time Source Destination Protocol Info
2 0.000031 127.0.0.1 127.0.0.1 TCP ircu >
56676 [SYN, ACK] Seq=0 Ack=1 Win=32768 Len=0 MSS=16396 SACK_PERM=1 TSV=8764451
TSER=8764451 WS=2
Frame 2: 74 bytes on wire (592 bits), 74 bytes captured (592 bits)
Ethernet II, Src: 00:00:00_00:00:00 (00:00:00:00:00:00), Dst: 00:00:00_00:00:00
(00:00:00:00:00:00)
Internet Protocol, Src: 127.0.0.1 (127.0.0.1), Dst: 127.0.0.1 (127.0.0.1)
Transmission Control Protocol, Src Port: ircu (6666), Dst Port: 56676 (56676),
Seq: 0, Ack: 1, Len: 0
Source port: ircu (6666)
Destination port: 56676 (56676)
[Stream index: 0]
Sequence number: 0 (relative sequence number)
Acknowledgement number: 1 (relative ack number)
Header length: 40 bytes
Flags: 0x12 (SYN, ACK)
Window size: 32768
Checksum: 0xfe30 [validation disabled]
Options: (20 bytes)
[SEQ/ACK analysis]
[This is an ACK to the segment in frame: 1]
[The RTT to ACK the segment was: 0.000031000 seconds]
No. Time Source Destination Protocol Info
3 0.000063 127.0.0.1 127.0.0.1 TCP 56676
> ircu [ACK] Seq=1 Ack=1 Win=32896 Len=0 TSV=8764451 TSER=8764451
Frame 3: 66 bytes on wire (528 bits), 66 bytes captured (528 bits)
Ethernet II, Src: 00:00:00_00:00:00 (00:00:00:00:00:00), Dst: 00:00:00_00:00:00
(00:00:00:00:00:00)
Internet Protocol, Src: 127.0.0.1 (127.0.0.1), Dst: 127.0.0.1 (127.0.0.1)
Transmission Control Protocol, Src Port: 56676 (56676), Dst Port: ircu (6666),
Seq: 1, Ack: 1, Len: 0
Source port: 56676 (56676)
Destination port: ircu (6666)
[Stream index: 0]
Sequence number: 1 (relative sequence number)
Acknowledgement number: 1 (relative ack number)
Header length: 32 bytes
Flags: 0x10 (ACK)
Window size: 32896 (scaled)
Checksum: 0xfe28 [validation disabled]
Options: (12 bytes)
[SEQ/ACK analysis]
[This is an ACK to the segment in frame: 2]
[The RTT to ACK the segment was: 0.000032000 seconds]
No. Time Source Destination Protocol Info
4 13.671042 127.0.0.1 127.0.0.1 TCP 56676
> ircu [PSH, ACK] Seq=1 Ack=1 Win=32896 Len=6 TSV=8765819 TSER=8764451
Frame 4: 72 bytes on wire (576 bits), 72 bytes captured (576 bits)
Ethernet II, Src: 00:00:00_00:00:00 (00:00:00:00:00:00), Dst: 00:00:00_00:00:00
(00:00:00:00:00:00)
Internet Protocol, Src: 127.0.0.1 (127.0.0.1), Dst: 127.0.0.1 (127.0.0.1)
Transmission Control Protocol, Src Port: 56676 (56676), Dst Port: ircu (6666),
Seq: 1, Ack: 1, Len: 6
Source port: 56676 (56676)
Destination port: ircu (6666)
[Stream index: 0]
Sequence number: 1 (relative sequence number)
[Next sequence number: 7 (relative sequence number)]
Acknowledgement number: 1 (relative ack number)
Header length: 32 bytes
Flags: 0x18 (PSH, ACK)
Window size: 32896 (scaled)
Checksum: 0xfe2e [validation disabled]
Options: (12 bytes)
[SEQ/ACK analysis]
[Number of bytes in flight: 6]
Data (6 bytes)
0000 68 61 6c 74 0d 0a halt..
Data: 68616c740d0a
[Length: 6]
No. Time Source Destination Protocol Info
5 13.671066 127.0.0.1 127.0.0.1 TCP ircu >
56676 [ACK] Seq=1 Ack=7 Win=32768 Len=0 TSV=8765819 TSER=8765819
Frame 5: 66 bytes on wire (528 bits), 66 bytes captured (528 bits)
Ethernet II, Src: 00:00:00_00:00:00 (00:00:00:00:00:00), Dst: 00:00:00_00:00:00
(00:00:00:00:00:00)
Internet Protocol, Src: 127.0.0.1 (127.0.0.1), Dst: 127.0.0.1 (127.0.0.1)
Transmission Control Protocol, Src Port: ircu (6666), Dst Port: 56676 (56676),
Seq: 1, Ack: 7, Len: 0
Source port: ircu (6666)
Destination port: 56676 (56676)
[Stream index: 0]
Sequence number: 1 (relative sequence number)
Acknowledgement number: 7 (relative ack number)
Header length: 32 bytes
Flags: 0x10 (ACK)
Window size: 32768 (scaled)
Checksum: 0xfe28 [validation disabled]
Options: (12 bytes)
[SEQ/ACK analysis]
[This is an ACK to the segment in frame: 4]
[The RTT to ACK the segment was: 0.000024000 seconds]
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