Something is wrong with the clocking and i cant figure out. When i try to debug with step over, the error handler in void SystemClock_Config(void) if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {  Error_Handler(); }Takes me to    /* Wait till L...

On my f3 discovery board, i was measuring voltage between 5v pin and GND with multi meter and the power LED started blinking . When i removed the the multimeter i noticed the com LED is turned off and the board disappeared from ports in device manage...

I am trying to Debug with SWO and SWV in STM32CubeIDE. But i am not getting any thing on SWV ITM Data console and Timline Graph. As you can see in live expression window count is incrementing as expected. My clock is running on 24Mhz.

HiI configured Usb HID Device libraries for my stmF042k..but windows says Usb device not recognised. since F042k dont have a dedicated user usb,so here is my scheme i connected a usb cable to my stm..i left the power cable open because i am not sure ...

when i configured my stm32 board as master then i transmit data but in slave mode it does not..i even tested the i2c example provided by Cube MX ,there also i can only transmit data in master mode,but not in slave mode...any idea please?