Can update

examples/FlintIO/Can/.vscode/launch.json

@@ -0,0 +1,21 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "flint-debug",
+            "request": "launch",
+            "name": "Debug with FlintJVM",
+            "cwd": "${workspaceFolder}",
+            "port": "COM5",
+            "install": true,
+            "mainClass": "Main",
+            "classPath": "bin",
+            "sourcePath": "src",
+            "modulePath": [
+                "../../../jdk/flint.io.jar",
+                "../../../jdk/java.base.jar"
+            ],
+            "preLaunchTask": "build"
+        }
+    ]
+}

examples/FlintIO/Can/.vscode/tasks.json

@@ -0,0 +1,54 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "build",
+            "type": "shell",
+            "command": "javac",
+            "osx": {"args": [
+                "-g",
+                "--module-path=\"../../../jdk/java.base.jar:../../../jdk/flint.io.jar\"",
+                "--add-modules=flint.io", "-XDstringConcat=inline",
+                "--system=none", "-d", "bin", "src/*.java"
+            ]},
+            "linux": {"args": [
+                "-g",
+                "--module-path=\"../../../jdk/java.base.jar:../../../jdk/flint.io.jar\"",
+                "--add-modules=flint.io", "-XDstringConcat=inline",
+                "--system=none", "-d", "bin", "src/*.java"
+            ]},
+            "windows": {"args": [
+                "-g",
+                "--module-path=\"../../../jdk/java.base.jar;../../../jdk/flint.io.jar\"",
+                "--add-modules=flint.io", "-XDstringConcat=inline",
+                "--system=none", "-d", "bin", "src/*.java"
+            ]},
+            "presentation": {
+                "echo": false,
+                "reveal": "always",
+                "showReuseMessage": false,
+                "clear": true
+            },
+            "options": {
+                "cwd": "${workspaceFolder}",
+            },
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+            "problemMatcher": {
+                "owner": "java",
+                "fileLocation": ["relative", "${workspaceFolder}"],
+                "pattern": [
+                    {
+                        "regexp": "^(.*\\.java):(\\d+):\\s(error|warning):\\s(.*)$",
+                        "file": 1,
+                        "line": 2,
+                        "severity": 3,
+                        "message": 4
+                    }
+                ]
+            }
+        }
+    ]
+}

examples/FlintIO/Can/src/Main.java

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+import flint.machine.Can;
+import flint.machine.CanMessage;
+import flint.machine.CanStatus;
+import flint.machine.Can.CanMode;  // Thêm import này
+
+import java.util.Arrays;
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) throws Exception {
+        // CAN0 – main bus
+        Can can0 = new Can("CAN0", 0, 500_000)
+                .setTxPin(21)
+                .setRxPin(22)
+                .setMode(CanMode.NORMAL);
+
+        // CAN1 – sniffer / debug
+        Can can1 = new Can("CAN1", 1, 250_000)
+                .setTxPin(25)
+                .setRxPin(26)
+                .setMode(CanMode.LISTEN_ONLY);
+
+        can0.open();
+        // can1.open(); // Not supported on some platforms
+
+        can0.start();
+        // can1.start(); // Not supported on some platforms
+
+        // Send
+        can0.writeMessage(
+            CanMessage.of(0x123, new byte[]{0x11,0x22}),
+            1000
+        );
+
+        // Receive on sniffer
+        CanMessage rx = can1.receiveMessage(1000);
+        if (rx != null) {
+            System.out.println("Sniffed: " + rx);
+        }
+
+        // Check status
+        CanStatus status = can0.getStatus();
+        if (status != null) {
+            System.out.println("Status: " + status);
+        }
+
+        can0.stop();
+        // can1.stop(); // Not supported on some platforms
+
+        can0.close();
+        // can1.close(); // Not supported on some platforms
+    }
+}