STM32 MCUs Embedded software

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

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STM32H7 Ethernet CurrentDescriptor vs ETH_TX_DESC_CNT

As I understand from the low_level_output of ethernetif.c, I could have up to the number of ETH_TX_DESC_CNT of buffers.In the stm32h7xx_hal_eth.c ETH_Prepare_Tx_Descriptors (not counting the context descriptors) I "upload" the buffers to the Descript...

JRS by Associate III
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jump to another app explanation

I have this code:void bootloader_jump_to_app(void){ pFunction Jump; uint32_t JumpAddress;   HAL_RCC_DeInit(); HAL_DeInit();   JumpAddress = *(__IO uint32_t*)(APP_ADDRESS + 4); Jump = (pFunction)JumpAddress;   __set_MSP(*(__IO uint32_t*)APP_AD...

JCuna.1 by Senior
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Resolved! STM32H747I-DISCO working Ethernet example project

Hi all,I would like to create a STM32CubeIDE project for my H747 discovery board. I've modified the board (rerouting to the ethernet IC) as the guide propose and the it is working (I tried out with MBED OS socket example). But in the ST IDE there isn...

ranciere by Associate III
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Issue using the HAL internal flash memory interface when leveraging a bootloader and firmware memory structure.

I am currently using an STM32L452 MCU that operates using a custom bootloader and firmware package for operation. I have leveraged the bootloader on other projects before, so I knew (or at least thought i knew) it was solid. I'm learning that when i ...

rsoc by Associate III
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Resolved! BOOT_LOCK documentation issue

Hi, The general documentation for the STM32G0 family mentions BOOT_LOCK all over the place where this is actually only available on STM32G0x1, not STM32G0x0. I hope this can be fixed and will help some other developers in the meantime.Some of the doc...

Coratron by Associate II
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