/// <summary>
/// This function will be called any time any output signal is changed. It will create
/// a byte array for either sol1 - sol8 (output port 0) or sol9 - sol16 (output port 1)
/// and convert it into a byte to write to the Io board. Since our Io boards work in
/// reverse logic (i.e 1 means off and 0 means on) our starting result is 0xFF
/// or 1111 1111.
///
/// 16 = output port 0, 17 = output port 1
/// </summary>
private void WriteToIoBoard(byte port)
{
bool[] source;
byte result = 0xFF;
// This assumes the array never contains more than 8 elements.
if (port == 16) // output port 0
{
source = new bool[8] {
sol1, sol2, sol3, sol4, sol5, sol6, sol7, sol8
};
}
else // output port 1
{
source = new bool[8] {
sol9, sol10, sol11, sol12, sol13, sol14, sol15, sol16
};
}
int index = 0;
// convert the bool array to a byte
foreach (bool b in source)
{
if (b)
{
result &= (byte)~(1 << (index));
}
index++;
}
USBIOBoardService.WritePort(BoardNum, port, result);
}
/// <summary>
/// This command calls the Stop command in USBIOService which will close all connections
/// and removes the objects from our ActiveIoBoards dictionary. Then it will restart the
/// USBIOService which redetects any connected Io boards.
/// </summary>
public static void Execute()
{
USBIOBoardService.Stop();
// lets give USBIOService half a second to handle its business
Thread.Sleep(500);
// now restart that
USBIOBoardService.Start();
}
/// <summary>
/// This function will be called any time any output signal is changed. It will create
/// a byte array for either sol1 - sol8 (output port 0) and convert it into a byte to
/// write to the Io board. Since our Io boards work in reverse logic (i.e 1 means off
/// and 0 means on) our starting result is 0xFF or 1111 1111.
///
/// 16 = output port 0
/// </summary>
private void WriteToIoBoard(byte port)
{
bool[] source = new bool[8] {
sol1, sol2, sol3, sol4, sol5, sol6, sol7, sol8
};
byte result = 0xFF;
int index = 0;
// convert the bool array to a byte
foreach (bool b in source)
{
if (b)
{
result &= (byte)~(1 << (index));
}
index++;
}
USBIOBoardService.WritePort(BoardNum, port, result);
}
