Re: [lwip-users] LPC1768 lpc_low_level_input: Packet dropped witherrors (0xffffffff)

[Grzegorz Niemirowski]

Jan Menzel <address@hidden> napisal(a):
> Hi all!
> It seems that I've found the problem now. For anyone facing the same
> issue: I have changed the linker script and positioned the buffer
> descriptors and the receive buffers into the same RAM block. Before this
> the linker had placed the buffer descriptors in SRAM (0x1000xxxx) and
> the buffers in AHB-SRAM (0x2007xxxx).
> Any clue why that matters?

Does your low level driver use DMA? Is AHB-SRAM accessible by DMA?

Grzegorz Niemirowski