#include "i2c.h"

#include "eep.h"

static const unsigned char EEP_Addr = 0x50; // AT24C256

static inline short Rev16(short v)
{
  asm("REV16 %1, %0" : "=r" (v) : "r" (v)); // v = v<<8 | v>>8;
  return v;
}
//------------------------------------------------------------------------------

void EEP_Init() // AT24C256
{
  I2C1_Init();
}
//------------------------------------------------------------------------------

void EEP_Read(unsigned short Addr, void* Data, unsigned short Size)
{
  Addr=Rev16(Addr);
  I2C1_Write(EEP_Addr, &Addr, 2);
  I2C1_Read(EEP_Addr, Data, Size);
  I2C1_Stop();
}
//------------------------------------------------------------------------------

void EEP_Write(unsigned short Addr, const void* Data, unsigned short Size)
{
  Addr=Rev16(Addr);
  I2C1_Write2(EEP_Addr, &Addr, 2, Data, Size);
  I2C1_Stop();
}
//------------------------------------------------------------------------------