feat(ch934x_serial): 添加串口写入功能的端口索引参数

- write方法新增可选的serialPortIndex参数，支持直接写入指定端口 - 传入端口索引时不会改变当前活跃端口，保持原有活跃端口行为 - 添加对负数端口索引的验证处理，直接返回零避免异常 - 更新文档说明多端口并发客户端应使用显式端口写入方式 - 增加相关单元测试覆盖新参数的各种使用场景 - 同步更新Android原生层实现以支持端口索引传递
2026-07-13 20:51:27 +08:00
parent 020904bd2a
commit 7fe87f8d7c
10 changed files with 137 additions and 73 deletions
@@ -584,9 +584,14 @@ public class Ch934xSerialPlugin implements FlutterPlugin, MethodCallHandler, Act
        if (data == null || data.length == 0) {
            return 0;
        }
+        Integer portIndex = call.argument("serialPortIndex");
+        int idx = portIndex != null ? portIndex : activeSerialNumber;
+        if (idx < 0) {
+            return 0;
+        }
        try {
            return CH934XManager.getInstance().writeData(
-                    activeDevice, activeSerialNumber, data, data.length, 2000);
+                    activeDevice, idx, data, data.length, 2000);
        } catch (ChipException e) {
            return 0;
        }