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h p
Associate III
since ‎2018-07-19
‎2024-06-17

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  • 14 Posts
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STM32H7RS: How to safely update bootloader from appli?

2024-06-11
When the bootloader is updated from the main appli, the start address at reset can be set to the start address of the main application. By this, it is assured that the device can still be started if the bootloader update could not be completed, e.g. ...

STM32U5 2 MEMS Microphones

2024-02-15
Hello, 2 MEMS microphones share a common Clock (PB3, ADF1_CCK0) and Data (PB4, ADF1_SDI0) of a STM32U585QI.Using ADF the PDM signal is processed successfully. It processes either the data of the either falling or rising edge depending on setting Init...

STM32H7 SPI2 I2S Circular RX DMA not running, but TX DMA does, OVR set

2022-03-29
Hello, I ported wokring code from STM32F4 to STM32H7 (STM32H7A3NI). So far most is working as expected, however on SPI2 used as I2S the circular RX DMA1 Stream3 does not start. NTD remains on its initial value 0x800. The SPI2 has RXP and OVR set. The...

Start DMA2D operation from DMA2D_IRQHandler interrupt handler?

2019-03-18
Hello,To avoid context switches between the painting thead and DMA2D_IRQHandler interrupt I switched the code code to start the next DMA2D operation directly in the interrupt handler.However, after doing this, the painted frame buffer has sproradic p...

STM32 F4 USB FS Host: CDC device plugged before device start

2017-07-27
Posted on July 27, 2017 at 15:27Hello,we are using the USB Full Speed host port on an STM32F4 with FreeRTOS.We use the most recent libraries:- stm32f4xx_hal_hcd.c stm32f4xx_hal_hcd.c and stm32f4xx_ll_usb.c version 1.7.0- CubdF4 niddleware STM32_USB_...
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