MIMXRT1040 - lwip example remapping RAM issue

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MIMXRT1040 - lwip example remapping RAM issue

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riccardo_carlot
Contributor III

Hi, 

I'm working on the lwip_ipv4_ipv6_echo_freertos example for my MIMXRT1040 EVK, I'm trying to implement a TCP server on my final application.

Looking at the RAM occupation, the example takes a large amount of RAM_DTC that is the main ram region.

riccardo_carlot_0-1706874103416.png

In my final application I'll use the RAM_OC as main one, therefore I tried to exchange the RAM_DTC with the RAM_OC in this example. This is how I set up the example:

riccardo_carlot_1-1706874358176.png

riccardo_carlot_2-1706874453206.png

After this, the RAM_DTC is empty and the RAM_OC is busy as expected:

riccardo_carlot_3-1706874518568.png

My problem is here, if I launch the application it stucks (I'm not able to locate where) or during the socket creation or just after that. 

riccardo_carlot_4-1706874692058.png

riccardo_carlot_5-1706874729301.png

So, what am I missing on it? What's wrong on this?

Thank you in advance

Riccardo

 

 

 

 

 

 

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