Exemplo n.º 1
0
        private static void BinaryCounter(Sn74hc595 sr, CancellationTokenSource cancellationSource)
        {
            Console.WriteLine($"Write 0 through 255");
            for (int i = 0; i < 256; i++)
            {
                sr.ShiftByte((byte)i);
                Thread.Sleep(50);
                sr.ClearStorage();

                if (IsCanceled(sr, cancellationSource))
                {
                    return;
                }
            }

            sr.ShiftClear();

            if (sr.BitLength > 8)
            {
                Console.WriteLine($"Write 256 through 4095; pick up the pace");
                for (int i = 256; i < 4096; i++)
                {
                    ShiftBytes(sr, i);
                    Thread.Sleep(25);
                    sr.ClearStorage();

                    if (IsCanceled(sr, cancellationSource))
                    {
                        return;
                    }
                }
            }

            sr.ShiftClear();
        }
Exemplo n.º 2
0
        private static void DemonstrateShiftingBytes(Sn74hc595 sr, CancellationTokenSource cancellationSource)
        {
            int delay = 1000;

            Console.WriteLine($"Write a set of values with {nameof(sr.ShiftByte)}");
            // this can be specified as ints or binary notation -- its all the same
            var values = new byte[] { 0b1, 23, 56, 127, 128, 170, 0b_1010_1010 };

            foreach (var value in values)
            {
                Console.WriteLine($"Value: {value}");
                sr.ShiftByte(value);
                Thread.Sleep(delay);
                sr.ShiftClear();

                if (IsCanceled(sr, cancellationSource))
                {
                    return;
                }
            }

            byte lit = 0b_1111_1111; // 255

            Console.WriteLine($"Write {lit} to each register with {nameof(sr.ShiftByte)}");
            for (int i = 0; i < sr.BitLength / 8; i++)
            {
                sr.ShiftByte(lit);
            }

            Thread.Sleep(delay);

            Console.WriteLine("Output disable");
            sr.OutputEnable = false;
            Thread.Sleep(delay * 2);

            Console.WriteLine("Output enable");
            sr.OutputEnable = true;
            Thread.Sleep(delay * 2);

            Console.WriteLine($"Write 23 then 56 with {nameof(sr.ShiftByte)}");
            sr.ShiftByte(23);
            sr.ShiftByte(56);
            sr.ShiftClear();
        }
Exemplo n.º 3
0
        private static void DemonstrateShiftingBits(Sn74hc595 sr, CancellationTokenSource cancellationSource)
        {
            int delay = 1000;

            sr.ShiftClear();

            Console.WriteLine("Light up three of first four LEDs");
            sr.ShiftBit(1);
            sr.ShiftBit(1);
            sr.ShiftBit(0);
            sr.ShiftBit(1);
            sr.Latch();
            Thread.Sleep(delay);

            sr.ShiftClear();

            Console.WriteLine($"Light up all LEDs, with {nameof(sr.ShiftBit)}");

            for (int i = 0; i < sr.BitLength; i++)
            {
                sr.ShiftBit(1);
            }

            sr.Latch();
            Thread.Sleep(delay);

            sr.ShiftClear();

            Console.WriteLine($"Dim up all LEDs, with {nameof(sr.ShiftBit)}");

            for (int i = 0; i < sr.BitLength; i++)
            {
                sr.ShiftBit(0);
            }

            sr.Latch();
            Thread.Sleep(delay);

            if (IsCanceled(sr, cancellationSource))
            {
                return;
            }
        }
Exemplo n.º 4
0
        private static bool IsCanceled(Sn74hc595 sr, CancellationTokenSource cancellationSource)
        {
            if (cancellationSource.IsCancellationRequested)
            {
                sr.ShiftClear();
                return(true);
            }

            return(false);
        }
Exemplo n.º 5
0
        private static void DemonstrateShiftingBytes(Sn74hc595 sr, CancellationTokenSource cancellationSource)
        {
            Console.WriteLine($"Write a set of values with {nameof(sr.ShiftByte)}");
            // this can be specified as ints or binary notation -- its all the same
            var values = new byte[] { 0b1, 23, 56, 127, 128, 170, 0b10101010 };

            foreach (var value in values)
            {
                Console.WriteLine($"Value: {value}");
                sr.ShiftByte(value);
                Console.ReadLine();
                sr.ShiftClear();

                if (IsCanceled(sr, cancellationSource))
                {
                    return;
                }
            }

            byte lit = 0b11111111;

            Console.WriteLine($"Write {lit} to each register with {nameof(sr.ShiftByte)}");
            for (int i = 0; i < sr.DeviceCount; i++)
            {
                sr.ShiftByte(lit);
            }

            Console.ReadLine();

            Console.WriteLine("Output disable");
            sr.OutputDisable();
            Console.ReadLine();

            Console.WriteLine("Output enable");
            sr.OutputEnable();
            Console.ReadLine();

            Console.WriteLine($"Write 23 then 56 with {nameof(sr.ShiftByte)}");
            sr.ShiftByte(23);
            sr.ShiftByte(56);
            Console.ReadLine();
            sr.ShiftClear();
        }