STM32 MCUs Products

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Resolved! Cannot get valid values using ADC1 channel 11 on PC1

Hello,I'm using a Nucleo board (NUCLEO-G070RB) with STM32F103RB MCU and I try to use channel 11 of ADC1 mapped to PC1 to get values from a humidity sensor. I noticed that the values are invalid and it's not because of the sensor. I created a sample a...

zamlox by Associate II
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Resolved! FIFO Error on DMA with SPI_TX (STM32F411E-DISCO)

Hello Everyone, I am trying to transmit data using DMA with SPI1 but each time I end up with a FIFO Error.. I 'm using Direct mode, MINC = 1, PINC = 0, DMA2, STREAM3, CHANNEL 3 For SPI_TX. I'm trying to send "Hello, World!!" But each time the FEIF3 i...

0693W00000KadWDQAZ.png

STM32F103RET6 - Not work callback - HAL_CAN_RxCpltCallback.

Hello. I have project from 2 years ago. During testing, a problem was discovered when sending commands from the master device to the slave device through the CAN. For some reason don't call callback - HAL_CAN_RxCpltCallback (there I analyze the incom...

TViT by Associate
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COMP2 and EXTI does not seem to work using HAL (STM32L452)

Using COMP2 with internal voltage referenceWhen using COMP with interrupt as soon as I call HAL_COMP_START(&hcomp2); and interrupt is triggered even if COMP input GPIO is grounded.If i let the code run a trigger is never regenerated afterwards. I hav...

MTadr.1 by Associate II
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Resolved! About IPSR

I use STM32F1 Value Line Discovery Kit.I would like to have a common interrupt handler and call the corresponding handler from that common handler.I am assuming the following.Specifically, I am trying to get the IPSR number from its common handler an...

Myasu.1 by Senior
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  • 2 replies
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Resolved! STM32H7 DMA2 wont trigger interrupt

Using STM32H743ZII am using SPI1 in 2 lines Rx only mode with DMA2 Stream 2 as in ST exampleI use Rx DMA with a buffer located in D2 RAM. Using debugger I found that the first reception works well, data gets written into my buffer. But my DMA doesn't...

Can the STM32F4 controller allow for two DMA requests on the same peripheral? If not, how can the DMAMUX be utilized to allow such a case?

Using an STM32F429 board, I am attempting to enable DMA transfers for the UART8 TX and RX. However, while reading the data sheet, I found the following DMA channel/stream mapping: You'll note that for the UART8 TX and RX DMA request, both requests li...

0693W00000KackTQAR.png 0693W00000KacfxQAB.png
EGold.3 by Associate II
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