Exemplo n.º 1
0
        static void Main(string[] args)
        {
            var dacClock = ConnectorPin.P1Pin11.ToProcessor();
            var dacCs = ConnectorPin.P1Pin13.ToProcessor();
            var dacMosi = ConnectorPin.P1Pin15.ToProcessor();

            using (var dacConnection = new Mcp4822SpiConnection(dacClock, dacCs, dacMosi, 1))
            {
                Console.WriteLine("MC4822 Sample: Write a changing value on Channel A");

                const decimal minimum = 0.0001m;
                var ticks = minimum;
                var up = true;

                while (!Console.KeyAvailable)
                {
                    dacConnection.Write(Mcp4822Channel.ChannelA, ticks);

                    if (up)
                    {
                        ticks *= 2;
                        if (ticks >= 1)
                            up = false;
                    }
                    else
                    {
                        ticks /= 2;
                        if (ticks <= minimum)
                            up = true;
                    }

                    Thread.Sleep(100);
                }
            }
        }
Exemplo n.º 2
0
        static void Main()
        {
            const ConnectorPin dacClock = ConnectorPin.P1Pin11;
            const ConnectorPin dacCs = ConnectorPin.P1Pin13;
            const ConnectorPin dacMosi = ConnectorPin.P1Pin15;

            Console.WriteLine("MCP-4822 Sample: Write a changing value on Channel A");
            Console.WriteLine();
            Console.WriteLine("\tClock: {0}", dacClock);
            Console.WriteLine("\tCS: {0}", dacCs);
            Console.WriteLine("\tMOSI: {0}", dacMosi);
            Console.WriteLine();

            var driver = GpioConnectionSettings.DefaultDriver;

            using(var clockPin = driver.Out(dacClock))
            using(var csPin = driver.Out(dacCs))
            using(var mosiPin = driver.Out(dacMosi))
            using (var dacConnection = new Mcp4822SpiConnection(clockPin, csPin, mosiPin))
            using (var channel = new Mcp4822OutputAnalogPin(dacConnection, Mcp4822Channel.ChannelA))
            {
                const decimal minimum = 0.0001m;
                var ticks = minimum;
                var up = true;

                while (!Console.KeyAvailable)
                {
                    channel.Write(new AnalogValue(ticks));

                    if (up)
                    {
                        ticks *= 2;
                        if (ticks >= 1)
                            up = false;
                    }
                    else
                    {
                        ticks /= 2;
                        if (ticks <= minimum)
                            up = true;
                    }

                    Thread.Sleep(100);
                }
            }
        }
Exemplo n.º 3
0
        static void Main()
        {
            const ConnectorPin dacClock = ConnectorPin.P1Pin11;
            const ConnectorPin dacCs = ConnectorPin.P1Pin13;
            const ConnectorPin dacMosi = ConnectorPin.P1Pin15;

            Console.WriteLine("MCP-4822 Sample: Write a changing value on Channel A");
            Console.WriteLine();
            Console.WriteLine("\tClock: {0}", dacClock);
            Console.WriteLine("\tCS: {0}", dacCs);
            Console.WriteLine("\tMOSI: {0}", dacMosi);
            Console.WriteLine();

            using (var dacConnection = new Mcp4822SpiConnection(dacClock.ToProcessor(), dacCs.ToProcessor(), dacMosi.ToProcessor(), 1))
            {
                const decimal minimum = 0.0001m;
                var ticks = minimum;
                var up = true;

                while (!Console.KeyAvailable)
                {
                    dacConnection.Write(Mcp4822Channel.ChannelA, ticks);

                    if (up)
                    {
                        ticks *= 2;
                        if (ticks >= 1)
                            up = false;
                    }
                    else
                    {
                        ticks /= 2;
                        if (ticks <= minimum)
                            up = true;
                    }

                    Thread.Sleep(100);
                }
            }
        }