• Debug an INVPC exception

    Hi. I have an INVPC exception that I am trying to debug on a Cortex M4 STM32. The stack contains the following values:

    0x08003555 xPSR
    0x08006824 PC
    0x08006824 LR
    0x00000000 R12
    0x08003341 R3
    0x08006824 R2
    0xFFFFFFFD R2
    0x0000FFFF R0

    The PC and LR both point…

  • ARM M4 to BLUEGIGA module, Multithreading, and Data Buffering

    Hello, I am looking for information about programming an ARM M4 firmware to basically broadcast serial information to a bluegiga WF121-A wifi module. My device will receive 2 serial inputs and I want the serial input packets to be sniffed and broadcasted…