• double trouble?
    Hi all. using uVision 4, keil compiler. I'm trying to create a very simple function that takes an argument list, but it seems like when i use parameters of type double, it doesn't work right...
  • double float
    The C51 can't support double(8-byte) variable. Does anyone know the third party liberary to support this function?
  • USB double trouble
    Hello, I have a LPC2478 than I can address via 2 data sources: A CDC device and a USB to RS-485 converter. I see something very strange: If I try to use them in parallel, the USB CDC transfers are...
  • Conversion (unsigned int)double incorrect.
    I'm calculate sin by table. Example fragment code bellow .... #define Tabl_acos 0x80000000 ... ... double tsin (double arg) { double argout; unsigned int *adr; adr = (unsigned int ...
  • Double and float values
    Does using a double or float value for the MCB1700 board cause severe inefficiency? I would like to use two or three double values for precise calculations of values. Will this cause a problem or will...