Hi,
I am facing a weird problem, and I am hoping one of the experts here might be
able to help.
I am sending data over telnet from a Windows PC using HyperTerminal to my
PowerPC board.
The runtime system (separate task) then fetches the data from the telnet buffer
(RAM) and saves it into its own buffer(RAM).
After all the data has been transfered, it then is given an instruction to save
all the data into flash. During this time no data transfer
takes place over Ethernet. Suddenly I am getting (in regular interval) error
message from the kernel, that a semaphore signal counter
overflow, and the thread associated with the semaphore is the tcpip thread. My
semaphore counter can only be signalled maximum 255 times
before it overflows and generate the error. I have checked the following
semaphores:
all global semaphores and the conn semaphores, and none was found with overflow
error. Is there any other semaphore I should be aware of ?
By the way my lwip 1.3.0 implementation works superbly (of course better than
1.2), and wanna thanks all the developers for their fine job on such a
fine product.
Thanks in advance,
M Ikhwan Ismail
STO/CPK
ABB STOTZ-KONTAKT
Heidelberg Germany
My lwip implementation:
Lwip 1.3.0 with Ethernet on PowerPC MPC852T with SMX RTOS kernel with a
runtime system.
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