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Forum Posts

Wrong SVD file for STM32G491 device

TIM20 peripheral is missing in the SVD file for STM32G491 deployed in Keil PACK STM32G4xx_FDP v1.4.0Please see the attached fix with all files rebuilt (SFR and SFD)

CChiesa by Associate
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Problem with USART Communication during updates

 I am using an STM32L4 chip that sends an update to the nRF52832 on a ublox module over USART. I assume the nordic chip is in the bootloader during the update.We get a UART error: 4 and when we observe the UART lines we see that on the TX line of the...

0693W00000NpDg4QAF.png 0693W00000NpDgJQAV.png 0693W00000NpDgTQAV.png
Hueli.1 by Associate III
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  • 3 replies
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STM32H743: BDMA channel for SAI interface does not work.

I would like to use SAI interface, but the initial setup seems to be failing. ErrorHandler was called because of FIFO is Empty after calling HAL_SAI_Transmit_DMA().​The SAI is set up as follows: hsai_BlockA4.Instance = SAI4_Block_A; hsai_BlockA4.I...

Mapyam by Associate II
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  • 4 replies
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Interupt driven uart reception not working

Hi all iam working in stm32 f051c8tx microcontroller im trying to recieve a byte and if i recieve a byte in intrupt im printing "hello world " via tx of the same uart, the issue is im not able to recieve any char the below is the code any thoughts p...

NJP.1 by Associate III
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  • 10 replies
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Stm32 Header for binary files

Hello everyone,​we have to uart bootloader for stm32 mcu application. We update binary files with uart bootloader. But we need stm32 header for binary files. ​There are multiple binary files and Multiple devices that I have loaded with uart from the ...

akesk by Associate II
  • 1385 Views
  • 5 replies
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INVSTATE hard fault with SPI interrupt handler. STM32F405

I'm attempting to have my program run some code when a SPI transfer is complete using the RXNE flag. Setting the RXNEIE bit invokes SPI2_IRQHandler() as expected but it always results in a hard fault (CFSR register = 0x20000), without any additions t...

AWats.4 by Associate II
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  • 2 replies
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