[英]C# Sending Serial Commands to Arduino
I am using an Arduino Mega 2560 board to control a strip of LED's. 我正在使用Arduino Mega 2560开发板来控制LED灯条。 I am trying to use a short C# console program to send serial commands to my Arduino program.
我正在尝试使用一个简短的C#控制台程序向我的Arduino程序发送串行命令。 In Arduino, I have a library called SerialCommand where I can read a serial string and use it to execute a function and also pass along arguments like so: "functionName arg1 arg2 arg3".
在Arduino中,我有一个名为SerialCommand的库,可以在其中读取串行字符串并使用它执行函数,还可以传递类似这样的参数:“ functionName arg1 arg2 arg3”。 I've tested this by sending serial commands through a terminal and it works great!
我已经通过终端发送串行命令进行了测试,效果很好! I've gotten Arduino functions to run by sending serial commands from my C# program also but only if that serial string doesn't include any spaces.
我也通过从C#程序发送串行命令来运行Arduino函数,但前提是该串行字符串不包含任何空格。
Here is my C# code: 这是我的C#代码:
class Program
{
public static System.IO.Ports.SerialPort serialPort1;
private void establishConnection()
{
serialPort1 = new System.IO.Ports.SerialPort("COM4");
serialPort1.BaudRate = 115200;
serialPort1.Open();
}
static void Main(string[] args)
{
Program p = new Program();
p.establishConnection();
string i;
while (true)
{
Console.Write("Enter command: ");
i = Console.ReadLine();
if (i == "exit")
{
serialPort1.Close();
break;
}
else if (i == "1")
{
// Turn LED's on and pass argument "test"
serialPort1.Write("ON test\n");
}
}
}
}
I know my connection works and my commands are sending because if I program my ON function in Arduino to work without the argument, it works great. 我知道我的连接有效并且我的命令正在发送,因为如果我在Arduino中对ON函数进行编程以使其不带参数就可以正常工作。 However if I send the "ON" command and include the argument after a space, or use spaces in general, the Arduino doesn't read it properly.
但是,如果我发送“ ON”命令并在空格后加上参数,或者通常使用空格,则Arduino无法正确读取它。
Do you have any idea of why the space is messing with my serial commands in C#? 您是否知道为什么空间会干扰我在C#中的串行命令? Thanks for any help.
谢谢你的帮助。
Here is a simple sample of what I'm doing in Arduino: 这是我在Arduino中所做的一个简单示例:
#include "SerialCommand.h"
#include <Adafruit_NeoPixel.h>
SerialCommand sCmd;
#define PIN7 7
// Strip of LED's
Adafruit_NeoPixel testStrip = Adafruit_NeoPixel(10, PIN7, NEO_GRB + NEO_KHZ800);
uint32_t testStripColor = 0xFFFFFF;
void setup() {
Serial.begin(115200);
sCmd.addCommand("ON", lightsOn);
sCmd.addCommand("OFF", lightsOff);
testStrip.begin();
testStrip.show();
}
void loop() {
sCmd.readSerial();
}
void lightsOn() {
char *lightSet;
lightSet = sCmd.next(); // Read argument
if (strcmp(lightSet, "test") == 0) {
for (int i=0; i < testStrip.numPixels(); i++)
{
testStrip.setPixelColor(i, testStripColor);
}
testStrip.show();
}
}
void lightsOff() {
char *lightSet;
lightSet = sCmd.next(); // Read argument
if (strcmp(lightSet, "test") == 0) {
testStrip.clear();
testStrip.show();
}
}
请试试:
serialPort1.WriteLine("ON test");
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