// Raspberry Pi LPC1114 I/O Processor Expansion Board SPI Agent Firmware // H-bridge DC motor driver output test program // Copyright (C)2014-2018, Philip Munts, President, Munts AM Corp. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are met: // // * Redistributions of source code must retain the above copyright notice, // this list of conditions and the following disclaimer. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE // POSSIBILITY OF SUCH DAMAGE. using System; using System.Collections.Generic; using SPIAgent; namespace test_motor { class Program { static void Main(string[] args) { int frequency; bool ExitFlag = false; Console.WriteLine("\nRaspberry Pi LPC1114 I/O Processor Expansion Board\nDC Motor Test\n"); if (args.Length != 1) { Console.WriteLine("Usage: test_motor "); Environment.Exit(1); } // Connect to the SPIAgent Firmware RPC server ITransport spiagent = new Transport(args[0]); // Get the PWM pulse frequency (common to all PWM channels) Console.Write("Enter PWM frequency: "); frequency = int.Parse(Console.ReadLine()); // Configure the motor driver outputs Motor M1 = new Motor(spiagent, Pins.LPC1114_PWM1, Pins.LPC1114_GPIO0, frequency); // Exit gracefully on CONTROL-C Console.CancelKeyPress += delegate(object sender, ConsoleCancelEventArgs e) { e.Cancel = true; ExitFlag = false; }; while (!ExitFlag) { try { Console.Write("Enter motor speed (-1.0 to +1.0): "); M1.speed = float.Parse(Console.ReadLine()); } catch { continue; } } Environment.Exit(0); } } }