Question

我正在尝试编写一个与I / O卡接口的程序。硬件提供的文档是在C＃中，我之前从未使用过C＃。所以，请原谅我，如果这个问题看起来非常基本或基本。

使用制造商的功能每个I / O引脚至少需要3个变量，并且有55个引脚。这意味着很多已定义的变量。当我编写代码时，我发现它非常难看。我在这里和那里重复使用片段，这很容易成为一个功能。但是让它们成为一种功能，我失去了访问众多变量的能力。有一些简单的方法可以做到吗？

这是我目前正在使用的缩短版本。缺少的部分看起来一样。我正在使用VS2012。提前谢谢。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Threading;

/* Tool Changer Controller Program
 * In theory, this program will run the tool changer through a full cycle.
 * This includes:     removing the current tool, 
 *                    placing the current tool in its appropriate location on the carousel,
 *                    moving the carousel to the correct location of the new tool,
 *                    placing the new tool in the spindle so it is ready for use.
 */
namespace Tool_Changer
{

class Program
{
    static void Main(string[] args)
    {
        // Create PoKeys55 device object
        PoKeysDevice_DLL.PoKeysDevice device = new PoKeysDevice_DLL.PoKeysDevice();

        // Define all pins and correlate to correct pin
        // Pin: Pin #, Status: pass/fail returned, State: On/Off status
        // Swivel
        byte SwivelCCWA_Pin = 0; //Set*
        bool SwivelCCWA_Status = false;
        bool SwivelCCWA_State = false;

        byte SwivelCWA_Pin = 2; //Set*
        bool SwivelCWA_Status = false;
        bool SwivelCWA_State = false;

        // Telescope
        byte TeleExtA_Pin = 4; //Set*
        bool TeleExtA_Status = false;
        bool TeleExtA_State = false;

        byte TeleRetA_Pin = 6; //Set*
        bool TeleRetA_Status = false;
        bool TeleRetA_State = false;
        // Grabber
        byte GrabberOpen_Pin = 12; //Set*
        bool GrabberOpen_Status = false;
        bool GrabberOpen_State = false;

        byte ToolPresent_Pin = 13; //Get
        bool ToolPresent_Status = false;
        bool ToolPresent_State = false;

        // Begin Tool Change procedure.
        SwivelCWA_State = false;
        SwivelCCWA_State = true;
        SwivelCWA_Status = device.SetOutput(SwivelCWA_Pin, SwivelCWA_State); // Turn off CW
        SwivelCCWA_Status = device.SetOutput(SwivelCCWA_Pin, SwivelCCWA_State); // Turn on CCW
        Thread.Sleep(1000);

        GrabberOpen_State = true;
        GrabberOpen_Status = device.SetOutput(GrabberOpen_Pin, GrabberOpen_State); // Open Grabber

        TeleRetA_State = false;
        TeleExtA_State = true;
        TeleRetA_Status = device.SetOutput(TeleRetA_Pin, TeleRetA_State); // Turn off retract
        TeleExtA_Status = device.SetOutput(TeleExtA_Pin, TeleExtA_State); // Turn on extend
        Thread.Sleep(1000);

Answer 1

如果使用结构来保存公共变量，代码将变得更漂亮和更紧凑。例如：

public struct Item
{
    public Item(byte pin, bool status, bool state)
    {
        Pin = pin;
        Status = status;
        State = state;
    }

    public byte Pin;
    public bool Status;
    public bool State;
}

然后不是像这样单独设置每个变量：

byte SwivelCCWA_Pin = 0; //Set*
bool SwivelCCWA_Status = false;
bool SwivelCCWA_State = false;

你只能使用一行代码：

Item swivelCCWA = new Item(0, false, false);

Answer 2

创建一个包含每个引脚的所有输出设置的字典：

 Dictionary<int, bool> pinStates = new Dictionary<int, bool> 
 {
     {0, false},
     {2, true},
     {12, false},
     {13, false}
 };

然后你可以创建一个函数，所以设置所有输出引脚并在另一个字典中检索结果：

Dictionary<int, bool> pinResults = new Dictionary<int, bool>();
foreach(KeyValuePair<int, bool> pinState in pinStates)
{
    pinResults[pinState.Key] = device.SetOutput(pinState.Key, pinState.Value); 
}

此时，所有输出引脚都已设置，您的第二个字典将填充结果。您可以通过这种方式检索结果：

bool resultOfPin12 = pinResults[12];

在C＃中跨多个函数使用多个变量

2 个答案: