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My board DE2-115
My PHY Device:88E1111 My project is about simple socket server.Now I can send words or command via Telnet or Ping, when I use a router(100Mbps). But, when I directly connect the board and PC with a cross-over cable , I failed. Then when I fix my pc for 100Mbps and connect the board and PC with a cross-over cable, I succeed. So if I want to use 1000Mbps, what should I do ? I know I need to provide different clock to Marvell 88E1111 PHY Device for different speed. Such as 2.5MHz for 10mbps/ 25MHz for 100mbps /125MHz for 1000mbps. Who can tell me how to change the clock and where to change the clock,provided for phy device. It is the first time for me to post a thread, I hope that somebody could help me to solve this problem.Link Copied
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Firstly try to run example project. Maybe Your cable between PC and the board has only two pairs, so the connection is 10/100.
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OK, I will use another cable to try.
Thank you so much Socrates!- Mark as New
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I wanna ask you another problem.
Now I can transfer data by TCP Server program in NIOS. But the speed is low,only about 16Mbps. Is there any way to raise the speed? PS:The cpu in sopcbuilder is fast.- Mark as New
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Nios is relatively slow. How much do You need? Whats the CPU speed?
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CPU is up to 113 DMIPS.
I want to be as faster as possible and I need use NIOS, so is there anything I can to raise the speed?- Mark as New
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Don't use RTOS, do bunch of optimizations, DMAs, etc... Read the thread about LwIP on Nios.
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If you see this thread, try another board!!!
There is nothing wrong with my project, my board is broken!!! When I change to another, I succeed!!!
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