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Re: [lwip-users] CRC of each IP Header is not calculated after some poin
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From: |
Simon Goldschmidt |
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Subject: |
Re: [lwip-users] CRC of each IP Header is not calculated after some point (STM32F4) |
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Date: |
Tue, 23 Sep 2014 11:13:56 +0200 |
Michael Steinecke wrote:
> But from one point on, the CRC calculation for all outgoing packets fails or
> is not executed entirely.
> [..]
> CRC calculation is done by HW (SW calculation in LwIP turned off), therefore
> I would expect another STM bug. Is there something known? Some ideas how to
> track down this?
I guess you mean checksum, not CRC. Have you tried disabling hardware checksum
calculation? That would be an ideal way to see if it's the hardware driver or
another problem.
Simon