cscの作法 その604

概要

cscの作法、調べてみた。
練習問題やってみた。

練習問題

ラズベリーパイ picoに、シリアルからコードを送り、実行せよ。

写真

サンプルコード

using System;
using System.Windows.Forms;
using System.Drawing;
using System.IO.Ports;
using System.Text;
using System.Threading;

class form1: Form {
	private Button button1;
	private Button button2;
	private TextBox textBox0;
	private TextBox textBox1;
	private static TextBox textBox2;
	private SerialPort port1;
	form1() {
		Text = "pico IDE";
		ClientSize = new Size(800, 400);
		button1 = new Button();
		button1.Location = new Point(300, 340);
		button1.Text = "setup";
		button1.Click += new EventHandler(button1_Click);
		button2 = new Button();
		button2.Location = new Point(700, 50);
		button2.Text = "send";
		button2.Click += new EventHandler(button2_Click);
		textBox0 = new TextBox();
		textBox0.Location = new Point(30, 20);
		textBox0.Multiline = true;
		textBox0.Size = new Size(300, 300);
		textBox0.Text = @"
from machine import Pin
from rp2 import PIO, StateMachine, asm_pio
@asm_pio(set_init = PIO.OUT_LOW)
def tic():
   set(pins, 1)
   set(pins, 0)
sm = StateMachine(0, tic, freq = 3000, set_base = Pin(25))
";
		textBox1 = new TextBox();
		textBox1.Location = new Point(400, 20);
		textBox1.Multiline = false;
		textBox1.Size = new Size(300, 20);
		textBox1.Text = @"sm.active(1)";
		textBox2 = new TextBox();
		textBox2.Location = new Point(400, 80);
		textBox2.Multiline = true;
		textBox2.Size = new Size(380, 300);
		textBox2.Text = @"";
		port1 = new SerialPort("COM3", 115200, Parity.None, 8, StopBits.One);
		port1.BaudRate = 115200;
		port1.Parity = Parity.None;
		port1.DataBits = 8;
		port1.StopBits = StopBits.One;
		port1.Handshake = Handshake.None;
		port1.PortName = "COM3";
		port1.Encoding = System.Text.Encoding.ASCII;
		port1.NewLine = "\r\n";
		port1.DtrEnable = true;
		port1.RtsEnable = true;
		port1.DataReceived += new SerialDataReceivedEventHandler(DataReceived_Handler);
		port1.Open();
		Controls.AddRange(new Control[] {
			button1,
			button2,
			textBox0,
			textBox1,
			textBox2
		});
	}
	private void button1_Click(object sender, EventArgs e) {
		string s = "e";
		byte[] array = Encoding.UTF8.GetBytes(s);
		array[0] = 5;
		string ctrl_e = Encoding.UTF8.GetString(array);
		array[0] = 4;
		string ctrl_d = Encoding.UTF8.GetString(array);
		string msg;
		msg = ctrl_e + textBox0.Text + "\r\n\r\n" + ctrl_d + textBox1.Text;
		port1.WriteLine(msg);
	}
	private void button2_Click(object sender, EventArgs e) {
		string msg;
		msg = textBox1.Text;
		port1.WriteLine(msg);
	}
	private delegate void SetTextDelegate(string msg);
	private static void SetText(string msg) {
		textBox2.Text = msg;
	}
	private void DataReceived_Handler(object sender, SerialDataReceivedEventArgs e) {
		SerialPort sp = (SerialPort) sender;
		string msg = sp.ReadExisting();
		this.Invoke(new SetTextDelegate(SetText), new object[] { msg });
	}
	[STAThread]
	public static void Main() {
		Application.Run(new form1());
	}
}

以上。