• Descriptor for a switch or something similar
    Hello! I have a problem. I have a Freescale Flexis with JM128 32-bit microcontroller. Now I want that the host i regognized by the Pc as a device. So the Pc have to indicate that the host have LED on...
  • Something wrong
    double calc( int angel) { return sin(2*pi*(5/48000)*l); } Why do the function always returns zero?
  • GNU versus Realview versus Keil C Arm
    Can someone tell me the differences or advantages/disadvantages between the 3x possible compilers. ie. Why are they offered?
  • Is there something like sizeof(function) ?
    Note: This was originally posted on 7th May 2009 at http://forums.arm.com I want to do IAP (In-Application Programming). In order to do this, I will copy several C functions from IROM to IRAM and then...
  • something about preprocessor
    when i use preprocessor #if 0 ... #endif to cross out a bunch of sentences, then after building the target. I noticed the "data" memory usage increased, why? There is no error in the result.