STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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How can the STM32H7 communicate with a Clause 45 PHY?

Can somebody give an example or pseudocode how to use the Ethernet MAC with a Clause 45 PHY? What is the correct setting for MACMDIOAR register to use Clause 45? Unfortunately, the RM doesn't say a lot.I used the functions HAL_ETH_WritePHYRegister()...

nrg6 by Associate II
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Connect a proprietry TCP/IP stack to nucleo-h743zi2

Hi there,I'm working with nucleo-h743zi2,I want to activate the Ethernet driver for UDP messages. I can't use an OS and can't use LWIP. I need to use a proprietry tcp/ip stack.Is there any guide thaat can help with that? Any help is most appreciated....

LSmil.1 by Associate II
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How to start bootloader from application code

I tried this code:    // BOOTLOADER starten -------------------------------------------------------------------------------------------    void (*SysMemBootJump)(void);                              // Funtkion Jump definieren    volatile uint32_t add...

BHeiß.1 by Associate II
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USB comms getting started.

I am tasked to create a usb driver for a board running STM32H745 chip. I have been trying to use the datasheet to get the usb driver going. The boards will always run in device mode and has a usb-b cables plugged in at powerup for most of my testsI h...

LHoug.1 by Associate II
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STM32H750VBT6 cannot program after bootload.

Dear Sir My customer use STM32H750VBT6 for their product at Jan 2020. They success to program a bootloader into MCU, after boot-load, the MCU can load an application firmware into it. They produced over 10 kpcs at production line. The Date code: 004 ...

PLaw.2 by Associate II
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Resolved! STM32F429 IAP through UART using own protocol, without specific bootloader What do I need to do ?

Hi everyone,My question is what do I have to do ?I read too much information about IAP to really understand what do I need to do.Our firmware is working great for now, we want to update the firmware without stop everything and on restart we can be in...

SEmar by Associate II
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