STM32 MCUs Products

Resolved! Ext Interrupt works fine in dedicated project, but does not when copied into the main project

I have this code, in where the interrupt works without issues in debug mode: void EXTI2_IRQHandler(){ SET_BIT(EXTI->PR1, EXTI_PR1_PIF2); // Clear interrupt flag } /* USER CODE END 0 */ /** * @brief The application entry point. * @retval int ...

Resolved! Strange behavior - HW probelms?

Hello to everyone. I'm working on a display interface, changing from M3 -> M4 -> H5 CPUs. The issue appeared on all type(it's a HW issue?) At the beginning I can connect, debug, program and so on. Bt after some operation, I can't continue. I stil...

Resolved! Proper way to use a Library (.a)

Hi everyone,Designing the BLE (bluetooth low energy) part of my software, I have to use BlueNRG-1, BlueNRG-2 DK SW package.First of all, I included by hands the library file (.a).But there is a lot of source-code that is not provided in the library (...

Resolved! stm32H503RB Determination of I3C IBI payload size

Hi,I am using the nucleo-H503RB I3C (Controller mode) with this example to connect to an I3C standard chip. The sensor transmits IBI with 5 bits of payload but I noticed that the STM32 receives only 4 bits, and then it stops receiving the fifth bit.I...

Programming original stm32f103c8t6 with clone bluepill board

Hi everyone i bought bluepill with fake chip and i replaced it with an original stm32f103c8t6.When i use stlink utility with other fake bluepill it detecets the chip but when i use stlink utility with original chip in a fake bluepill board i get this...

Resolved! USB CCID Configuration on STM32WB55 MCU

Hi ST Support Team,I am reaching out regarding an issue I have encountered while attempting to utilize USB CCID functionality on the STM32WB55 MCU. Recently, I integrated the CCID driver from the following link into my project.https://github.com/STMi...

Resolved! JTAG

Hi,We are currently working with the STM32G0B1VET6 Microcontroller and have been designing connections for the SWD interface. However, upon verifying the datasheets, we couldn't find any mention of a JTAG interface for debugging purposes.Could you pl...