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STM32H755 programming via PB14-PB15 bootloader

Hi -We are having difficulty programming STM32H7 via serial ports PB14-PB15 as USART1.  We are setup as described in AN2606, section 56.1 and we're using STM32CubeProgrammer for downloads.  The connection is established, but the first bootloader comm...

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gmn by Associate II
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  • 3 replies
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"While" does not work when ADC DMA is enabled

I am starting to experiment with stm32f411vet6 (discovery), looking forward to learn and help.On Live Expressions (Debug by STM32CubeIDE, I choose to run by Resume).Without a code "HAL_ADC_Start_DMA(&hadc1,(uint32_t*) &ADC_Value, 1);" : The program w...

Đạt by Associate
  • 114 Views
  • 1 replies
  • 2 kudos

Resolved! STM32H7 FDCAN FILTER

Posted on May 23, 2018 at 02:26Hi,I tested the example FDCAN_Com_IT. FDCAN configuration copied below.When I transmit a frame from another board with the ID different from 0x111, the message is received in the 'HAL_FDCAN_RxFifo0Callback' function an...

Asantos by Senior
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  • 10 replies
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STM32H7RSxx TRM: MDIO CSR

Hi,The STM32H7RSxx  TRM  specifies, for ETH_MACMDIOAR, the following CSR values: Bits 11:8 CR[3:0]: CSR Clock RangeThe CSR Clock Range selection determines the frequency of the MDC clock according tothe CSR clock frequency (eth_hclk):0000: MDC clock ...

simo zz by Senior
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(STM32G431CBU6) NRST as GPIO occasionally fails

NRST configured as GPIO to output MCO clock.In rare cases after power-on, the MCO clock is not output, although the program runs normally (e.g., printf messages are visible via UART).To increase the probability of reproducing the issue: the MCO pin i...

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duke by Associate
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  • 1 replies
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RTC Alarm Minutes and Seconds on STM32U575VI

Hi,I'm currently working on an application for a STM32U575VI6. It's supposed to generate an interruption every 4 minutes and 9 seconds. However, it works only when I mask the seconds, and only work with minutes. The moment I try configure both and en...

Resolved! STM32H7 USB CDC not showing up as a port

I'm trying to get a USB virtial COM Port working on the STM32 Nucleo-H745ZI-Q. I've generated some minimal code to initialize the device on PA11 and PA12 and have tried connecting a four pin USB-C breakout board to wire GND, DP, DM, and U5V, as well ...

AC3 by Associate
  • 190 Views
  • 3 replies
  • 2 kudos

Identifying Fake STM32

Split from Black Pill: Debugging STM32F103RCT6 in Keil Fails to Enter main()Hi @mƎALLEm  , just about your "not genuine" statement:>- No "ARM " markingSame here on a F103 by STM , should be genuine, because its st-link on a F3-discovery board !>- The...

AScha.3 by Chief III
  • 254 Views
  • 4 replies
  • 1 kudos

Resolved! [solved]STM32G RTC sets to some value afterr reset

Hello,I have an application which I would like to build on to of cubeMX generated HAL driver, but I came across strange issue that I am unable to keep RTC value on reset. Drivers part is as generated with cube using freeRTOS. system reset is triggere...

lauris by Associate III
  • 147 Views
  • 1 replies
  • 1 kudos