• Semihosting in DS-5
    Hi, I am trying to do file in DS-5 (evaluation version) using semihost, gettting errors (fopen returns -1). Is the eval version not able to do file IO?
  • Embedded World 2015 - Design of SoC for High Reliability Systems with Embedded Processors
    This is a paper published in Embedded World 2015, covering various areas about how chip designers can improve the reliability of a SoC (System-on-Chip) design. It also cover various functional safety...
  • 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...
  • Cortex M4: Atomic and Cache
    Hello all, Recently I came across this issue for the cortex M4 core. We are running a freertos application which loads and stores the value of a variable. For this we are using the atomic functions...