public static ushort ReadWordUsingDwordBigEndian(this IDoubleWordPeripheral peripheral, long address)
{
unchecked
{
var readAddress = address & (~3);
var offset = 2 - (int)(address & 3);
return((ushort)(peripheral.ReadDoubleWord(readAddress) >> offset * 8));
}
}
public static byte ReadByteUsingDword(this IDoubleWordPeripheral peripheral, long address)
{
unchecked
{
var readAddress = address & (~3);
var offset = (int)(address & 3);
return((byte)(peripheral.ReadDoubleWord(readAddress) >> offset * 8));
}
}
public static void WriteWordUsingDwordBigEndian(this IDoubleWordPeripheral peripheral, long address, ushort value)
{
unchecked
{
var alignedAddress = address & (~3);
var offset = 2 - (int)(address & 3);
var oldValue = peripheral.ReadDoubleWord(alignedAddress) & ~(0xFFFF << offset * 8);
peripheral.WriteDoubleWord(alignedAddress, (uint)(oldValue | (uint)(value << 8 * offset)));
}
}
public static void WriteByteUsingDwordBigEndian(this IDoubleWordPeripheral peripheral, long address, byte value)
{
unchecked
{
var writeAddress = address & (~3);
var offset = 3 - (int)(address & 3);
var oldValue = peripheral.ReadDoubleWord(writeAddress) & ~(0xFF << offset * 8);
peripheral.WriteDoubleWord(writeAddress, (uint)(oldValue | (uint)(value << 8 * offset)));
}
}
public static void WriteDoubleWordBigEndian(this IDoubleWordPeripheral peripheral, long address, uint value)
{
peripheral.WriteDoubleWord(address, Misc.SwapBytesUInt(value));
}
public static uint ReadDoubleWordBigEndian(this IDoubleWordPeripheral peripheral, long address)
{
return(Misc.SwapBytesUInt(peripheral.ReadDoubleWord(address)));
}