usbp_fx2lp_8051.cpp

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/* -*- c++ -*- */
#include <iostream>
#include <stdio.h>
#include <string>
#include <cassert>
#include <time.h>

#include "usbp_fx2lp_8051.h"
#include "upl_err.h"
#include "config_files.h"

#include "vendordescr.h"


int FX2LP_8051::LED(int led, bool on_off)
{
  int err = UPL_OK;
  byte b[8];
  
  err = UsbD->controlWrite
    (
     VRQ_SET_LED,  // Vendor Request Code
     (byte)on_off, // wValue {1,0}
     led,          // wIndex, Which LED
     b,            // byte array to send
     0,            // number of bytes to send
     4             // Timeout in seconds
     );
  
  return err;
}


int FX2LP_8051::downloadFirmware(string file, int vid, int pid)
{
  int err = UPL_OK;
  int herr, i;
  CConfigFiles cfg;
  byte CPUCS;
  byte b[cfg.MAX_IHX_RECORD_LEN];
  
  
  if(cfg.ihxOpen(file) != 0){
    return UPL_ERR;
  }
  
  printf("Reset 8051\n");
  // Put the 8051 in reset
  CPUCS = 0x01;
  err = controlWriteFW(0xE600, &CPUCS, 1, 2);
  if(err) { cfg.ihxClose(); return err;}

  // Here we go, based on one of the examples
  printf("Upload code\n");
  for(;;){
    herr = cfg.ihxRead(b); 
    
    if(cfg.ihxType != 0)
      break;
    
    if(!herr)
      err = controlWriteFW(cfg.ihxAddress, b, cfg.ihxLen, 4);
    
    if(err != UPL_OK){
      fprintf(stderr, "Firmware Upload USB Error\n"); 
      cfg.ihxClose();
      return err; 
    }
  }
  
  
  printf("Run new Code\n");
  CPUCS = 0x00;
  err = controlWriteFW(0xE600, &CPUCS, 1, 2);
  printf("Micro Reset OK\n");
  cfg.ihxClose();

  if(err) return err;
  
  if(!err){
    printf("Wait for Enumeration ??\n");
    for(i=0; i<12; i++){
        _sleep(500);
        err = UsbD->deviceOpen(vid, pid);
        if(!err) break;
    }   
        printf("Device opened ?? %d\n", err);
  }

  return err;
}


//   @param[in] timeout - Timeout in seconds, CyUSB Driver timeout
int FX2LP_8051::controlWriteFW(int addr, byte *b, int len, int timeout)
{
  int err = UPL_OK;

  err = UsbD->controlWrite(0xA0,        
                           addr,        
                           0,           
                           b,           
                           len,         
                           timeout);    

  return err;
}


int FX2LP_8051::controlReadFW(int addr, byte *b, int len, int timeout)
{
  int err = UPL_OK;
  
  return err;
}

int FX2LP_8051::i2c_write(byte addr, byte *b, byte len)
{
   int err = UPL_OK;
  
   err = UsbD->controlWrite
    (
     VRQ_I2C,      // Vendor Request Code
         addr,         // 
     I2C_WRITE,    // 
     b,            // byte array to send
     len,          // number of bytes to send
     4             // Timeout in seconds
     );
  
  return err;
}

int FX2LP_8051::i2c_read(byte addr, byte *b, byte len)
{
   int err = UPL_OK;
  
   err = UsbD->controlWrite
    (
     VRQ_I2C,      // Vendor Request Code
         addr,         // 
     I2C_READ,     // 
     b,            // byte array to send
     len,          // number of bytes to send
     4             // Timeout in seconds
     );

   // err = UsbD->controlRead();
  
  return err;
}

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