• CDC_ACM stuck on STM32F103RB
    Hi guys, Keil example USB-CDC stuck under load. I just can’t believe such a basic example is unreliable. I’m sure Keil USBstack is widely used in production so I guess I do something wrong. Could...
  • SPI stucks waiting for semaphore
    Hi all, I'm trying to use the SPI interface on a STM32F407 with CMSIS, and KEIl RTX 4.74. Below you my sample code can be seen. The problem there is that within the function drv_Info->SendData(...
  • While loop stucks , freezes !
    Hello .. I am having a very weird issue with my code piece .. The MCU is STM32F407VET6 .. What I'm trying to do is sending a string via USART1 peripheral module .. In order check if the character...
  • debug stuck in if loop?
    I loaded the can example that came with the pack installer and stepped thru it till I got to these lines. #if (CAN_LOOPBACK == 1) if (can_cap.external_loopback != 1U) { return false; } status = ptrCAN...
  • stuck at address 0x00000344 - MBC2103
    Hi, Occasionally my code gets stuck at address 0x00000344 - I'm having trouble figuring out what's going on in the debugger. The disassembly list in uVision seems suspect as I page up and down (output...