feat: llgo monitor -target target -port port

cmd/internal/monitor/monitor.go

@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2025 The GoPlus Authors (goplus.org). All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package monitor
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/goplus/llgo/cmd/internal/base"
+	"github.com/goplus/llgo/cmd/internal/flags"
+	"github.com/goplus/llgo/internal/monitor"
+)
+
+// Cmd represents the monitor command.
+var Cmd = &base.Command{
+	UsageLine: "llgo monitor [flags] [executable]",
+	Short:     "Monitor serial output from device",
+}
+
+func init() {
+	flags.AddEmbeddedFlags(&Cmd.Flag)
+	Cmd.Run = runMonitor
+}
+
+func runMonitor(cmd *base.Command, args []string) {
+	cmd.Flag.Parse(args)
+	args = cmd.Flag.Args()
+
+	if len(args) > 1 {
+		fmt.Fprintf(os.Stderr, "llgo monitor: too many arguments\n")
+		os.Exit(1)
+	}
+
+	if flags.Port == "" && flags.Target == "" {
+		fmt.Fprintf(os.Stderr, "llgo monitor: must specify either -port or -target\n")
+		return
+	}
+
+	var executable string
+	if len(args) == 1 {
+		executable = args[0]
+	}
+
+	config := monitor.MonitorConfig{
+		Port:       flags.Port,
+		Target:     flags.Target,
+		BaudRate:   flags.BaudRate,
+		Executable: executable,
+	}
+
+	if err := monitor.Monitor(config, true); err != nil {
+		fmt.Fprintf(os.Stderr, "llgo monitor: %v\n", err)
+		os.Exit(1)
+	}
+}