About alanb

alanb · 2024-12-18

I generally want to support both static/auto/dhcp in software config. This is most easily done by changing LWIP.c Around line 62: /* IP addresses initialization with DHCP (IPv4) */ ipaddr.addr = gstate.ipaddr; // NOT 0 netmask.addr = gstate.netmask...

alanb · 2023-10-13

I used a Nucleo F439ZI to develop initial software (with a custom daughterboard) and now have redesigned the whole lot onto a single board with the STM32 MCU. I'd like to remain able to support both boards in my Cube project as the nucleo one is muc...

alanb · 2023-09-18

Hi, I sometimes get this error when starting a Debug on an F439ZIError in final launch sequence: Failed to start GDB serverFailed to start GDB serverError in initializing ST-LINK device.Reason: (5) Unknown MCU found on target. Unplugging and repluggi...

alanb · 2024-12-18

It _so nearly_ is, but unfortunately the call to dhcp_start(&gnetif);is just before the /* USER CODE BEGIN 3 */ block which makes it hard to bypass and the init of ipaddr/netmask/gwneeds to be done before this and there isn't a user code block avail...

alanb · 2023-10-13

No, I'm using a genuine Nucleo F439ZI board. But it was connected and powered from a laptop so it is I guess possible that the laptop USB didn't supply enough current. I have added an external power connector to my daughterboard.

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static/DHCP networking with LWIP

Switching between Nucleo and custom board

Problems starting debug of F439ZI

Re: static/DHCP networking with LWIP

Re: Problems starting debug of F439ZI