FpgaUtility Class Reference

A class that holds FPGA related functions. More...

#include <FpgaUtility.h>

Static Public Member Functions
static double	roundInt (double value)
	Round double value.
static double	arbToDouble (std::string in, int inRadix)
	Radix changing functions. More...
static std::string	doubleToArb (double in, int outRadix, int numberOfDigits=-1)
	Change octal to string.
static std::string	arbToArb (std::string &in, int inRadix, int outRadix, int numberOfDigits=-1)
	Change string number to another string number depending on radix.
static std::string	signedToTwosComplement (std::string in, int numberOfDigits)
	Changes string signed binary(-sign) to two complements.
static std::string	twosComplementToSigned (std::string in)
	Changes string two complements to string signed binary(-sign).
static void	writeSignals (std::string outFilePath, std::map< std::string, std::vector< signed long long > > &data)
	COE file functions. More...
static void	multipleWriteCoe (int lutInBitsize, std::map< std::string, std::vector< signed long long > > &data, std::string fileDirectory)
	Writes multiple signal values to a file in coe format.
static void	writeCoe (std::string outFilePath, int lutInBitsize, std::vector< signed long long > &data)
	Writes a signal's values to a file in coe format.
static void	readCoe (std::string inFilePath, std::vector< signed long long > &data, bool twoscomplement=0)
	Reads a coe format file and stores the values in vector.

Detailed Description

A class that holds FPGA related functions.

Definition at line 9 of file FpgaUtility.h.

Member Function Documentation

arbToDouble()

double arbToDouble ( std::string  in, int  inRadix  )

static

Radix changing functions.

Change string to octal. Possible radix=[2,26].

Definition at line 53 of file FpgaUtility.cc.

{
  if (inRadix < 2 || inRadix > 26)  {
    cout << "[Error] arbToDouble() => Radix is out of range [2,26]. Aborting." << endl;
    return 0;
  }
  double result = 0;
  for (unsigned int iChar = 0; iChar < in.size(); iChar++) {
    if (in[iChar] == '-') continue;
    result = result * inRadix;
    if (in[iChar] >= '0' && in[iChar] <= '9') result += in[iChar] - 48;
    else if (in[iChar] >= 'A' && in[iChar] <= 'Z') result += in[iChar] - 55;
    else if (in[iChar] >= 'a' && in[iChar] <= 'z') result += in[iChar] - 87;
    else {
      cout << "[Error] arbToDouble() => Strange character detected. Aborting." << endl;
      return 0;
    }
  } // end of string loop.
  if (in[0] == '-') result *= -1;
  return result;
}

writeSignals()

void writeSignals ( std::string  outFilePath, std::map< std::string, std::vector< signed long long > > &  data  )

static

COE file functions.

Writes values to a file.

Definition at line 195 of file FpgaUtility.cc.

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The documentation for this class was generated from the following files:

• trg/cdc/include/FpgaUtility.h
• trg/cdc/src/FpgaUtility.cc