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This is a group for folks designing and programming embedded systems using the Rabbit Semiconductor C-programmable microcontroller. This group is not affiliated with either Rabbit or Z-World, but is a user forum for sharing ideas, asking questions, flaunting knowledge, and other typical user group stuff. The Rabbit is a powerful uC, supported by a full-featured C-compiler.
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BL2600 TCP connection limit - Hao Wu - May 30 19:03:11 2012
Hi guys,
In my application the BL2600 is going to open 5 tcp connection
simultaneously. But unfortunately I found that it seems unable to open 5
sockets at the same time.
4x sockets work well, but when it tries to open the 5th, either unable to
open, or lose one which has been opened.
I'm using *tcp_extopen()* to open tcp connection, and set
*MAX_TCP_SOCKET_BUFFERS
= 20*. This macro setting makes no difference at all. I observed *
_tcp_buffers[MAX_TCP_SOCKET_BUFFERS],* the array of assigned socket
address, when I change the *MAX_TCP_SOCKET_BUFFERS* value, the array size
changes as well. But only the first four elements have non-zero value. i.e.
being assigned, although I called 5x *tcp_extopen()*.
I'm using DC9.62. Not sure if I missed anything. Do you have similar
experience? Thanks a lot!
Regards,
Hao
(You need to be a member of rabbit-semi -- send a blank email to rabbit-semi-subscribe@yahoogroups.com )
In my application the BL2600 is going to open 5 tcp connection
simultaneously. But unfortunately I found that it seems unable to open 5
sockets at the same time.
4x sockets work well, but when it tries to open the 5th, either unable to
open, or lose one which has been opened.
I'm using *tcp_extopen()* to open tcp connection, and set
*MAX_TCP_SOCKET_BUFFERS
= 20*. This macro setting makes no difference at all. I observed *
_tcp_buffers[MAX_TCP_SOCKET_BUFFERS],* the array of assigned socket
address, when I change the *MAX_TCP_SOCKET_BUFFERS* value, the array size
changes as well. But only the first four elements have non-zero value. i.e.
being assigned, although I called 5x *tcp_extopen()*.
I'm using DC9.62. Not sure if I missed anything. Do you have similar
experience? Thanks a lot!
Regards,
Hao
(You need to be a member of rabbit-semi -- send a blank email to rabbit-semi-subscribe@yahoogroups.com )