ngcbAFE.hpp

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#ifndef ngcbAFE_H
#define ngcbAFE_H
 
 
#ifndef __cplusplus
#error This is a C++ include file and cannot be used from plain C
#endif
 
#include <stdio.h>
#include <stdlib.h>
 

class ngcbAFE {
public:
  ngcbAFE() {erms_[0] = '\0';}

  virtual ~ngcbAFE() {}
  
  char *ErrMsg() {return (erms_);}

  int Write(int addr, int value) {
    int buffer[64];
    int reg = addr & 0x0F00;
    int side = (addr & 0x0080) >> 7;
    int tx = 0;
    int i, res;
    int scl = 0x3 << 4;
    
    /*
     * Clear error message
     */
    erms_[0] = '\0';
 
    /*
     * Init write
     */
    buffer[tx++] = 0x0;
    buffer[tx++] = 0x0;
    buffer[tx++] = reg;
    buffer[tx++] = reg | scl;
 
    /*
     * 3-Bit address
     */
    for (i=0;i<2;i++)
      {
      int d = ((addr >> i) & 0x1);
      d |= (d << 1);
      buffer[tx++] = reg | d;
      buffer[tx++] = reg | d | scl;
      }
    
    /*
     * Test bit
     */
    buffer[tx++] = reg;
    buffer[tx++] = reg | scl;
 
    /*
     * 11-Bit data
     */
    for (i=0;i<11;i++)
      {
      int d = ((value >> i) & 0x1);
      d |= (d << 1);
      buffer[tx++] = reg | d;
      buffer[tx++] = reg | d | scl;
      }
    
    /*
     * End;
     */
    buffer[tx++] = 0x0;
    buffer[tx++] = 0x0;
 
    /*
     * Now send the buffer
     */
    for (i=0;i<tx;i++)
      {
      if (OutCB(side, buffer[i], &res, erms_) != 0)
    {
    return (res);
    }
      }
 
    return (0);
  }
 
protected:
  virtual int OutCB(int side, int d, int *resultCode, char *erms) {
    char s[33];
    *resultCode = 0;
    erms[0] = '\0';
    Int2Bin_(s, d);
    if (side == 0) fprintf(stdout, "L: <%s> <0x%04X>\n", s, d & 0xffff);
    else fprintf(stdout, "R: <%s> <0x%04X>\n", s, d & 0xffff);
    return (0);
  }
 
private: 
  char erms_[256];

  void Int2Bin_(char *str, int in) {
    int x = in;
    int i;
    
    for (i=0;i<32;i++)
      {
      if ((x & 0x00000001) == 1) str[31 - i]='1';
      else str[31 - i]='0';
      x = x >> 1;
      }
    str[32] = '\0';
  }
 
};
 
#endif