usbp_xilinx_xs3.cpp

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/* -*- c++ -*- */
#include <iostream>
#include <stdio.h>  
#include "usbp_xilinx_xs3.h"
#include "config_files.h"
#include "upl_err.h"

int XILINX_XS3::downloadConfigFile(string file)
{
  int err = UPL_OK;
  int herr;
  CConfigFiles cfg;
  byte b[64];
  int num_bytes = 0;
  
  // Start FPGA Config
  err = configStart();
  
  if(err){ 
    std::cerr << "  Control Write, VRQ_FPGA_CONFIG Failed" << endl;
    return UPL_ERR;
  }
  
  cfg.xbtOpen(file);
  
  // Get chucks of the file upto 64 bytes
  while(1){
    int len = 64;
    herr = cfg.xbtRead(b, len);    
    
    if(herr || len == 0){
      break;
    }
    err = configWrite(b, len);
    
    if(!err){ 
      num_bytes += len;
    }
    else {
      std::cerr << "FPGA Config Failed" << endl;
      break;
    }
  }
  
  err = configEnd();
  
  cfg.xbtClose();
  
  return err;
}

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