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STM32f103c8t6 can protocol

I am configuring can and sending data to other stm32f103c8 but when I connect the can H and can L on the channels of oscilloscope I don't get any signal. What could be the problem?,i used mcp2551 transceivercode for transmitting data :/* USER CODE BE...

STM32F407 Buffer printing HAL_UART_Transmit

Good morning everyone, after collecting some data and storing it in various buffers, I am trying to write them to the serial port for further processing. I am experiencing issues as I can see that something is being written to the serial port, but no...

davidec by Associate III
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  • 16 replies
  • 2 kudos

Resolved! STM32L4 Problem with HSE that switching to HSI

Hi,I developed my first board with a STM32L431RCT6 (80Mhz) but sometimes I have problems with an external 8MHz crystal (HSE switches to HSI). I configurated the peripherals and the clock with STM32CubeMx.This is a clock configurator page (I enabled C...

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Edodm85 by Associate II
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  • 5 replies
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RTC Alarm Random Failures

I have Alarm A and Alarm B both enabled. Alarm A is triggered every second, Alarm B is triggered every minute.They are rock solid for hours to days, but at seemingly random times, the RTC freezes.Here is AlarmA handler:void HAL_RTC_AlarmAEventCallbac...

Error in Writing External Flash STM32H750B-DK

ST-LINK SN : 002F00134D46501420383832ST-LINK FW : V3J12M3Board : STLINK-V3MINIEVoltage : 3.43VSWD freq : 8000 KHzConnect mode: Under ResetReset mode : Hardware resetDevice ID : 0x450Revision ID : Rev VDevice name : STM32H7xxFlash size : 128 KBytesDev...

ZExpo.1 by Senior
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  • 34 replies
  • 0 kudos