public static void DisableEraseWrite(this Eeprom93C46B eeprom)
{
// Opcode for EWDS is 0000XXXX
for (int i = 0; i < 8; i++)
{
eeprom.Pulse(false);
}
}
public static void EnableEraseWrite(this Eeprom93C46B eeprom)
{
// Opcode for EWEN is 0011XXXX
eeprom.Pulse(false);
eeprom.Pulse(false);
eeprom.Pulse(true);
eeprom.Pulse(true);
eeprom.Pulse(false);
eeprom.Pulse(false);
eeprom.Pulse(false);
eeprom.Pulse(false);
}
public static void Write(this Eeprom93C46B eeprom, ushort address, ushort data)
{
eeprom.Pulse(false);
eeprom.Pulse(true);
address &= 0x3F;
for (int i = 0; i < 6; i++)
{
eeprom.Pulse(((address >> (5 - i) & 0x01) != 0x00));
}
for (int i = 0; i < 16; i++)
{
bool value = ((data >> (15 - i)) & 0x01) == 1;
eeprom.Pulse(value);
}
}
public static void WriteAll(this Eeprom93C46B eeprom, ushort data)
{
eeprom.Pulse(false);
eeprom.Pulse(false);
eeprom.Pulse(false);
eeprom.Pulse(true);
eeprom.Pulse(true);
eeprom.Pulse(true);
eeprom.Pulse(true);
eeprom.Pulse(true);
for (int i = 0; i < 16; i++)
{
bool value = ((data >> (15 - i)) & 0x01) == 1;
eeprom.Pulse(value);
}
}
public static ushort Read(this Eeprom93C46B eeprom, ushort address)
{
eeprom.Pulse(true);
eeprom.Pulse(false);
address &= 0x3F;
for (int i = 0; i < 6; i++)
{
eeprom.Pulse(((address >> (5 - i) & 0x01) != 0x00));
}
ushort value = 0;
for (int i = 0; i < 16; i++)
{
eeprom.Pulse(false);
value |= (ushort)((eeprom.DO ? 1 : 0) << (15 - i));
}
return(value);
}
public static void Pulse(this Eeprom93C46B eeprom, bool dataIn)
{
eeprom.DI = dataIn;
eeprom.Update(true, false); //, dataIn);
eeprom.Update(true, true); //, dataIn);
}
public static void Start(this Eeprom93C46B eeprom)
{
eeprom.DI = true;
eeprom.Update(true, false); //, true);
eeprom.Update(true, true); //, true);
}
public void TestInitialize()
{
eeprom = new Eeprom93C46B();
}