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STM32G4: USART FIFO Error Flags

I'm using the USART on my STM32G474 in FIFO mode with LL-libraries. The datasheet says:" However the RXFIFO default width is 12 bits. This is due to the fact that the receiver does not only store the data in the FIFO, but also the error flags associa...

Herm by Associate III
  • 1741 Views
  • 5 replies
  • 1 kudos

Resolved! Unusable STM32L01 MCU pins?

Hello, all.I'm trying to design and build my first STM32 project, a timer. I'm using the STM32L101K4 and have it configured as illustrated in the attached screenshot. The pins are configured in STM32CubeIDE as:External LSE on 2 & 3LCD connections on ...

KevinZ by Associate III
  • 2355 Views
  • 8 replies
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STM32F411 - common short questions ...

Good Evening Ladies and Gentlemen, A short introducing purpose of mine: int main(void) { RCC->AHB1ENR |= 0xFC; // ---> Here I would like to open the Port clock RCC->APB1ENR |= 0xFC; // ---> Here I would like to open the USART2...

timbo2023 by Associate III
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  • 35 replies
  • 3 kudos

GT911 stucks/freezes in multitouch.

Hello Community,I'm using GT911 with STM32F746 over I2C. I have noticed some time it stucks when multi touch is used (very few times in single touch as well). Upon debugging I noticed a change of voltage level of Interrupt pin.In working state, INT p...

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KAgga.1 by Associate III
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  • 2 replies
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Resolved! STM32G4 FW 1.5.2 FDCan Error/Bug?

Hi guys I've upgraded from 1.5.1 to 1.5.2 and I'm receiving HardFaults when using FDCAN \STM32Cube\Repository\STM32Cube_FW_G4_V1.5.1\Drivers\STM32G4xx_HAL_Driver\Src\stm32g4xx_hal_fdcan.c FW 1.5.1 Line: 3493     /* Write Tx payload to the message RAM...

Framet by Associate III
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  • 5 replies
  • 2 kudos

nRF24L01+ receiver problems

Hello,I am currently using a custom-built board designed to the nRF24L01+ specification and using the same exact circuit provided in their datasheet. It is connected to my STM32F103 through SPI. I am currently using this library to test out this boar...

Resolved! STM32L476 minimal ADC sampling time

Hello,STM32L476 data sheet Rev 8 talks in 3.15 about "Down to 18.75 ns sampling time" while table 77 only lists a minimal 31.25 ns minimal sampling time. Is 18.75 ns sampling time possible and with what setting?

Resolved! Read wrong content of MCU's internal flash

HelloI am working in dual bank mode with STM32G474RET6 MCU. I want to store some default values in internal flash beyond last programmed firmware's data address.For example I have following contents in flash (shown from STM32CubeProgrammer):Data star...

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AlexHalf by Associate III
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  • 10 replies
  • 1 kudos

Resolved! Getting problems with CAN on a NUCLEO-F207ZG Board

Hello everyone,   for a project I try to build a small CAN Bus with several Nucleo 144F207 Boards. Sadly, I have a really hard time to get it to work even though it should be rather simple. The minimum setup consists of two boards and two CAN Trancie...

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