ree

nano/nano_c64/src/main.cpp

@@ -12,8 +12,10 @@
 #define WRITE 2
 
 char count = 0;
-unsigned short delayAmount = 100;
+unsigned short delayAmount = 2;
-char textToSent[]  = "The Commodore 64, also known as the C64, is an 8-bit home computer introduced in January 1982 by Commodore International. It has been listed in the Guinness World Records as the best-selling desktop computer model of all time, with independent estimates placing the number sold between 12.5 and 17 million units.";
+const char* ArduinoPingMsg = "ping F28339B0-78C6-4445-905A-76F77F667D95";
+const char* ArduinoPongMsg = "pong F28339B0-78C6-4445-905A-76F77F667D95";
+
 
 char mode;
 
@@ -68,13 +70,27 @@ void initMode(const char modeToSet) {
 
 }
 
+String waitForLine() {
+  return Serial.readStringUntil('\n');
+}
+
+void waitForPing() {
+  while (true) {
+    while (Serial.available() == 0) {}     //wait for data available
+    String pingStr = waitForLine();  //read until timeout
+    pingStr.trim();
+    if (pingStr == ArduinoPingMsg) {
+      Serial.println(ArduinoPongMsg);
+      break;
+    }
+  }
+}
+
 void setup() {
-  delay(2000);
   mode = STANDBY;
   initMode(mode);
-
   Serial.begin(9600);
-
+  waitForPing();
 }
 
 void send4Bit(char c) {
@@ -94,8 +110,8 @@ void send4Bit(char c) {
 
   digitalWrite(AR, HIGH);
 
-  // while (digitalRead(CR) == LOW) {}
+  while (digitalRead(CR) == LOW) {}
-  // while (digitalRead(CR) == HIGH) {}
+  while (digitalRead(CR) == HIGH) {}
 
   delay(delayAmount);
 
@@ -120,8 +136,7 @@ void sendByte(char a, char byte) {
   send4Bit(lower);
 }
 
-void startWrite() {
+void startWrite(String str) {
-  Serial.print("start\n");
   mode = WRITE;
   initMode(mode);
   digitalWrite(AR, LOW);
@@ -129,7 +144,7 @@ void startWrite() {
   int i = 0;
   char c, sc;
   do {
-    c = textToSent[i];
+    c = str[i];
     sc = getScreenCode(c);
     i++;
     sendByte(c, sc);
@@ -147,16 +162,23 @@ void startWrite() {
 
 void loop() {
 
-  if (mode == WRITE) {
+  String line = waitForLine();
 
-  } else if (mode == READ) {
+  if (line.length() > 0) {
-
+    startWrite(line);
-  } else {
-    startWrite();
   }
 
-  Serial.print("\nAAAAAAAA\n");
 
-  delay(1000);
+  // if (mode == WRITE) {
+  //
+  // } else if (mode == READ) {
+  //
+  // } else {
+  //   startWrite();
+  // }
+  //
+  // Serial.print("\nAAAAAAAA\n");
+
+  // delay(1000);
 
 }

src/main.c

@@ -270,7 +270,7 @@ void recieveTest(char* title) {
     lower = 16;
     upper = 16;
 
-    *dirPtr = 0b11110000;
+    *dirPtr = 0b11111000;
     *dataPtr = 0;
 
     while (1) {

web/c64_inteface/.gitignore

@@ -0,0 +1,2 @@
+bin/
+obj/

web/c64_inteface/ArduinoMessageContainer.cs

@@ -0,0 +1,7 @@
+namespace c64_inteface;
+
+public class ArduinoMessageContainer
+{
+    public string Message { get; set; } = "";
+    public bool Ready { get; set; } = false;
+}

web/c64_inteface/MonitorBackgroundService.cs

@@ -0,0 +1,124 @@
+using System.IO.Ports;
+
+namespace c64_inteface;
+
+public class MonitorBackgroundService : IHostedService, IDisposable
+{
+    private const string ArduinoId = "F28339B0-78C6-4445-905A-76F77F667D95";
+    private const string ArduinoPingMsg = "ping " + ArduinoId + "\n";
+    private const string ArduinoPongMsg = "pong " + ArduinoId;
+    
+    private readonly ILogger<MonitorBackgroundService> _logger;
+    private readonly ArduinoMessageContainer _arduinoMessageContainer;
+    private SerialPort? _arduinoPort;
+
+    public MonitorBackgroundService(ILogger<MonitorBackgroundService> logger, ArduinoMessageContainer arduinoMessageContainer)
+    {
+        _logger = logger;
+        _arduinoMessageContainer = arduinoMessageContainer;
+    }
+
+    public Task StartAsync(CancellationToken stoppingToken)
+    {
+        _logger.LogInformation("{Service} running.", nameof(MonitorBackgroundService));
+        Task.Run(() => RunServiceAsync(stoppingToken), stoppingToken);
+        return Task.CompletedTask;
+    }
+
+    private async Task DoWork(CancellationToken cancellationToken)
+    {
+        _logger.LogInformation("DoWork running...");
+        while (!cancellationToken.IsCancellationRequested)
+        {
+            if (_arduinoMessageContainer.Ready)
+            {
+                try
+                {
+                    _logger.LogInformation("Sending message: {Message}", _arduinoMessageContainer.Message);
+                    _arduinoPort?.WriteLine(_arduinoMessageContainer.Message);
+                    _arduinoMessageContainer.Ready = false;
+                }
+                catch (Exception e)
+                {
+                    Console.WriteLine(e);
+                }
+            }
+        }
+    }
+
+    private async Task RunServiceAsync(CancellationToken cancellationToken)
+    {
+        await FindArduinoPort(cancellationToken);
+        await DoWork(cancellationToken);
+    }
+    
+    public Task StopAsync(CancellationToken stoppingToken)
+    {
+        _logger.LogInformation("{Service} is stopping.", nameof(MonitorBackgroundService));
+        return Task.CompletedTask;
+    }
+
+    private async Task FindArduinoPort(CancellationToken cancellationToken)
+    {
+        while (_arduinoPort is null && !cancellationToken.IsCancellationRequested)
+        {
+            var ports = SerialPort.GetPortNames().ToList();
+
+            _logger.LogInformation("available ports: {Ports}", ports);
+        
+            foreach (var portName in ports)
+            {
+                var port = new SerialPort(portName, 9600);
+                
+                port.ReadTimeout = 1000;
+
+                try
+                {
+                    port.Open();
+                    await Task.Delay(2000, cancellationToken);
+                }
+                catch (IOException)
+                {
+                    continue;
+                }
+                
+                port.WriteLine(ArduinoPingMsg);
+
+                try
+                {
+                    var response = port.ReadLine();
+
+                    
+                    _logger.LogInformation(response);
+                    
+                    if (!response.Contains(ArduinoPongMsg))
+                    {
+                        _logger.LogInformation("{portName} not my arduino", portName);
+                        port.Close();
+                        continue;
+                    }
+                }
+                catch (Exception ex)
+                {
+                    _logger.LogError(ex, ex.Message);
+                    _logger.LogInformation("{portName} did not respond", portName);
+                    continue;
+                }
+                
+                _logger.LogInformation("Arduino found on {portName}", portName);
+                
+                _arduinoPort = port;
+                
+                return;
+            }
+
+            await Task.Delay(1000, cancellationToken);
+        }
+    }
+    
+    public void Dispose()
+    {
+        _arduinoPort?.Close(); 
+        _arduinoPort?.Dispose();
+    }
+}

web/c64_inteface/Program.cs

@@ -0,0 +1,31 @@
+using c64_inteface;
+using Microsoft.AspNetCore.Http.HttpResults;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+// Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
+builder.Services.AddOpenApi();
+
+builder.Services.AddSingleton<ArduinoMessageContainer>();
+builder.Services.AddHostedService<MonitorBackgroundService>();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.MapOpenApi();
+}
+
+app.UseHttpsRedirection();
+
+app.MapGet("/api/{message}", (string message, ArduinoMessageContainer arduinoMessageContainer) =>
+    {
+        arduinoMessageContainer.Message = message.Trim();
+        arduinoMessageContainer.Ready = true;
+        return true;
+    })
+    .WithName("SendMessageToArduino");
+
+app.Run();

web/c64_inteface/Properties/launchSettings.json

@@ -0,0 +1,23 @@
+{
+  "$schema": "https://json.schemastore.org/launchsettings.json",
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "http://localhost:5216",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "https://localhost:7088;http://localhost:5216",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

web/c64_inteface/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

web/c64_inteface/appsettings.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}

web/c64_inteface/c64_inteface.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+    <PropertyGroup>
+        <TargetFramework>net9.0</TargetFramework>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <PublishSingleFile>true</PublishSingleFile>
+        <SelfContained>true</SelfContained>
+        <RuntimeIdentifier>win-x64</RuntimeIdentifier>
+        <DebugType>none</DebugType>
+        <DebugSymbols>false</DebugSymbols>
+        <AspNetCoreHostingModel>OutOfProcess</AspNetCoreHostingModel>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.9"/>
+        <PackageReference Include="System.IO.Ports" Version="9.0.9" />
+    </ItemGroup>
+
+</Project>

web/c64_inteface/c64_inteface.sln

@@ -0,0 +1,16 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "c64_inteface", "c64_inteface.csproj", "{53F85B44-8B21-41EE-88AE-A9BBDB3CED0A}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{53F85B44-8B21-41EE-88AE-A9BBDB3CED0A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{53F85B44-8B21-41EE-88AE-A9BBDB3CED0A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{53F85B44-8B21-41EE-88AE-A9BBDB3CED0A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{53F85B44-8B21-41EE-88AE-A9BBDB3CED0A}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal