• which ARM version that i should use for PLC
    hello ! i am houssam an electrical engineering student, i am new to this forum and new for ARM processore i want to make my own PLC (programable logic controler), and i need a processore for to build...
  • Systick precision
    Hi all, To prove that my code was configuring the systick counter correctly, I did a small test. To measure the interval length between each SysTick interrupt handler I used SWV in combination with...
  • Why is string defined with half '0's?
    Hi, I see the following C lines on a ARM M4 Cortex CPU. It is new for me to see those interleaved '0's among character letters. Could you explain it to me? Thanks, const uint8_t...
  • Precise Memory Error
    Note: This was originally posted on 3rd August 2010 at http://forums.arm.com I am working with a Cortex-m3 using assembler and am getting "precise memory errors".  The manuals refer to this fault a lot...
  • Intermediate results for single precision calculations
    Hi, I am working on a microcontroller that uses the ARM Cortex-R4F CPU. I would like to know that when performing single precision floating point calculations, where the FPU stores intermediate results...