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FDCAN Tx callback not triggered on STM32U5

I’ve written code that performs a CAN Tx transmission when an interrupt occurs while in STOP2 mode.The transmission request via HAL_FDCAN_AddMessageToTxFifoQ() succeeds,but the HAL_FDCAN_TxEventFifoCallback(FDCAN_HandleTypeDef *hfdcan, uint32_t TxEve...

dlagyals by Associate II
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  • 3 replies
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STLINK-V3MINIE connecting SWO and VCP_TX pins

I am making an adapter between 6‐pin target debug header and 14-pin STDC14 connector. The same cable will be used to program and debug both M0+ and M4 targets.Can I hard-wire SWO (pin 8 ) and T_VCP_TX (pin 14) together? The idea is to have an option ...

maple by Associate II
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  • 0 replies
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HAL_RTCEx_BKUPWrite

Hallo, the information written on rtcbackup register, is retained when micro is powered off?Or the information will be lost?

IVent.1 by Senior
  • 49 Views
  • 1 replies
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Resolved! STM32H755 WWDG interrupts

Hy every one,I'm facing up the WWDG usage on a STM32H755 MCU.I noticed that WWDG peripheral has 2 interrupts: normal one and the early wake-up EWI one.What is the difference?Manual is not clear! Thanks in advance

iTTy by Senior
  • 150 Views
  • 6 replies
  • 1 kudos

Getting wrong ADC readings

Split from:https://community.st.com/t5/stm32-mcus-embedded-software/how-to-use-analogue-pins-not-adc-to-read-voltage/td-p/792208Please keep to one question per thread.Hi, One more related question, I have changed the pins and now i am reading the vol...

sal92 by Associate II
  • 120 Views
  • 5 replies
  • 2 kudos

Resolved! No device found on target. After some succesfull uploads

Hi,I am working with a custom board with the STM32L431CCU6 mcu. The bord consist of the mcu and 2 i2c units and one SPI.The board also has pin headers for BOOT0, SWDIO and SWCLK.Sory for paint... I am using the CubeIDE and a ST-LINK V2for programming...

assjo_1-1746535632587.png assjo_2-1746537392875.png
assjo by Associate II
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  • 2 replies
  • 2 kudos