private static void WaitForReady()
{
do
{
IOPort.Outb((byte)cmos.Address, 10);
}while ((IOPort.Inb((byte)cmos.Data) & 0x80) != 0);
}
public static void SetupPort(Port PORT = Port.Com1)
{
IOPort.Outb((ushort)(PORT + (ushort)Cmd.COM_Interrupt), 0x00); // Disable all interrupts
IOPort.Outb((ushort)(PORT + (ushort)Cmd.COM_ModemControl), 0x80); // Enable DLAB (set baud rate divisor)
IOPort.Outb((ushort)(PORT + (ushort)Cmd.COM_Data), 0x03); // Set divisor to 3 (lo byte) 38400 baud
IOPort.Outb((ushort)(PORT + (ushort)Cmd.COM_Interrupt), 0x00); // (hi byte)
IOPort.Outb((ushort)(PORT + (ushort)Cmd.COM_ModemControl), 0x03); // 8 bits, no parity, one stop bit
IOPort.Outb((ushort)(PORT + (ushort)Cmd.COM_LineControl), 0xC7); // Enable FIFO, clear them, with 14-byte threshold
IOPort.Outb((ushort)(PORT + (ushort)Cmd.COM_LineStatus), 0x0B); // IRQs enabled, RTS/DSR set
IOPort.Outb((ushort)(PORT + (ushort)Cmd.COM_Interrupt), 0x0F);
}
public static void Write(byte a, Port PORT = Port.Com1)
{
WaitForWriteReady(PORT);
IOPort.Outb((ushort)PORT, a);
}
private static byte RTC_Register(byte aNo)
{
IOPort.Outb((byte)cmos.Address, aNo);
return(IOPort.Inb((byte)cmos.Data));
}