• Continue the Target using Serial Wire Debug Protocol
    Greetings,                sir, i am working on serial wire debug protocol and till now i succeeded in halt,write,erase,and reset the target. now i am trying to implement breakpoints and watch points on...
  • wfi in debug mode
    Hi, Please help me understand expected behavior of CM4 when CM4 is in debug mode and WFI is executed through single step. Does CM4 enter sleep/sleepdeep in such case ? Thanks, Sandeep
  • Blink Newbie help debug!
    Hi Forum. I'm new to ARM, but have experience with AVR. I'm just trying to make a Hello World with blinky LEDs. I have this board: https://forum.micropython.org/viewtopic.php?t=3086 So ok, everything...
  • Unidentified hardfault on Arm Cortex-M4
    I have a whole bunch of hardfault annotations - all of them show CFSR value as 0. I've tested the annotation mechanism with two intentional hardfaults (divide by zero and write through null pointer) and...
  • Cortex M4 L1 data cache policy
    I have some confusions about the difference between write back + write allocate and write back + write no allocate on Cortex CM4. As my original understanding: For write back with write allocate...