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GJohn
Associate II
since ‎2019-01-28
‎2023-06-14

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Is there any way to initialize the SD card interface without a SD card being present?

2021-06-01
The HAL SD Card initialization routines queries the uSD Card for various pieces of informationin the initialization routine. If a uSD card not present, the initialization fails. Further, this means that it is not possible to remove and replace the...

Is there any way to disable the RTC reset on STM32F476

2021-06-01
The HAL RTC initialization routines for the STM32F476 unconditionally reset the clock toJanuary 1, 2000. I have a battery backup for the clock and do not want the clock reset on initialization.Has anybody found a way to do this within the CubeMX fra...

Why is LWIP ARP Request message 60 bytes long instead of 42 bytes.

2021-06-01
Just discovered that ARP request messages are padded with 18 bytes of trailing zero bytes, making them 60 bytes long instead of 42 bytes. A third party device doesn't like this and fails to respond to the ARP request message. I'm using a STM32F476 ...

How do I generate a BSP that CubeMX will recognize?

2019-09-05
The FatFS library references a BSP function to determine if a SD card is plugged in. Since I don't have a BSP for this PCB, CubeMX complains about the missing function. How do I generate a BSP that CubeMX will recognize to eliminate this configurat...

I would like to add LWIP to my project, but not Ethernet. I plan to use the USB Ethernet Emulation Mode (EEM) for network communications.

2019-09-05
Cube MX does not allow LWIP to be configured without the Ethernet controller enabled - for some strange reason. Any assistance would be appreciated.
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