wg_eeprom.h

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#pragma once
 
#include "ethercat_hardware/wg_mailbox.h"
#include "ethercat_hardware/ethercat_com.h"
#include <stdint.h>
#include <boost/thread/mutex.hpp>
 
namespace ethercat_hardware
{
 
struct EepromStatusReg;
struct WG0XSpiEepromCmd;
 
class WGEeprom
{
public:
  WGEeprom();
  bool readEepromPage(EthercatCom *com, WGMailbox *mbx, unsigned page, void* data, unsigned length);
  bool writeEepromPage(EthercatCom *com, WGMailbox *mbx, unsigned page, const void* data, unsigned length);  
 
protected:
  static const unsigned NUM_EEPROM_PAGES   = 4096;
  static const unsigned MAX_EEPROM_PAGE_SIZE = 264;
 
  // SPI Eeprom State machine helper functions
  bool readSpiEepromCmd(EthercatCom *com, WGMailbox *mbx, WG0XSpiEepromCmd &cmd);
  bool sendSpiEepromCmd(EthercatCom *com, WGMailbox *mbx, const WG0XSpiEepromCmd &cmd);
  bool waitForSpiEepromReady(EthercatCom *com, WGMailbox *mbx);
 
  // Eeprom helper functions
  bool readEepromStatusReg(EthercatCom *com, WGMailbox *mbx, EepromStatusReg &reg);
  bool waitForEepromReady(EthercatCom *com, WGMailbox *mbx);
 
  boost::mutex mutex_;
};
 
 
}; //end namespace ethercat_hardware