package chuankou;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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/**
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* 串口消息发送工具类
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* 提供高性能的串口消息发送功能，适合高频调用
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*/
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public class Sendmsg {
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// 静态串口服务实例
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private static volatile SerialPortService serialService = null;
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private static volatile boolean isPortOpen = false;
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// 改为非final，支持动态控制
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private static boolean DEBUG_MODE = false;
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// 日期格式化
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private static final SimpleDateFormat timeFormat = new SimpleDateFormat("HH:mm:ss.SSS");
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/**
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* 设置串口服务实例
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* @param service 串口服务实例
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* @param open 串口是否打开
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*/
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public static void setSerialService(SerialPortService service, boolean open) {
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serialService = service;
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isPortOpen = open;
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}
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/**
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* 获取串口服务实例
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*/
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public static SerialPortService getSerialService() {
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return serialService;
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}
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/**
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* 发送消息到串口（带重试机制）
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*/
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public static boolean sendMessage(String message) {
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if (!isPortOpen || serialService == null) {
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System.err.println("[" + getCurrentTime() + "] 串口未打开，无法发送数据");
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return false;
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}
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if (message == null || message.trim().isEmpty()) {
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System.err.println("[" + getCurrentTime() + "] 发送数据为空");
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return false;
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}
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String text = message.trim();
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int retryCount = 0;
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final int MAX_RETRY = 2;
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while (retryCount <= MAX_RETRY) {
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try {
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byte[] data = hexStringToByteArray(text);
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if (data == null) {
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System.err.println("[" + getCurrentTime() + "] HEX转换失败，数据: " + text);
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return false;
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}
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boolean sendResult = serialService.send(data);
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if (sendResult) {
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if (DEBUG_MODE) {
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System.out.println("[" + getCurrentTime() + "] 发送成功: " + text.toUpperCase());
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}
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return true;
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} else {
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retryCount++;
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if (retryCount <= MAX_RETRY) {
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System.err.println("[" + getCurrentTime() + "] 发送失败，正在重试 (" + retryCount + "/" + MAX_RETRY + ")");
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try {
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Thread.sleep(50); // 重试前等待
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} catch (InterruptedException e) {
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Thread.currentThread().interrupt();
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break;
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}
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} else {
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System.err.println("[" + getCurrentTime() + "] 串口发送失败，指令: " + text.toUpperCase());
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System.err.println("[" + getCurrentTime() + "] 串口状态 - 打开: " + isPortOpen + ", 服务: " + (serialService != null));
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if (serialService != null) {
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System.err.println("[" + getCurrentTime() + "] 串口服务状态 - 是否打开: " + serialService.isOpen());
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}
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return false;
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}
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}
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} catch (Exception e) {
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System.err.println("[" + getCurrentTime() + "] 发送异常，指令: " + text.toUpperCase());
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e.printStackTrace();
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return false;
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}
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}
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return false;
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}
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/**
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* 检查串口是否已打开
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* @return 串口打开状态
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*/
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public static boolean isPortOpen() {
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boolean open = isPortOpen && serialService != null;
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if (!open && DEBUG_MODE) {
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System.err.println("[" + getCurrentTime() + "] 串口状态检查: 未打开");
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}
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return open;
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}
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/**
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* HEX字符串转字节数组
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* @param s HEX字符串
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* @return 字节数组
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*/
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private static byte[] hexStringToByteArray(String s) {
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if (s == null || s.isEmpty()) {
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return new byte[0];
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}
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s = s.replaceAll("\\s+", ""); // 移除空格
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int len = s.length();
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if (len % 2 != 0) {
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throw new IllegalArgumentException("HEX字符串长度必须为偶数，当前长度: " + len + ", 数据: " + s);
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}
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byte[] data = new byte[len / 2];
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for (int i = 0; i < len; i += 2) {
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int high = Character.digit(s.charAt(i), 16);
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int low = Character.digit(s.charAt(i + 1), 16);
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if (high == -1 || low == -1) {
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throw new IllegalArgumentException("无效的HEX字符: '" + s.charAt(i) + s.charAt(i + 1) + "' 在位置 " + i + "-" + (i+1) + ", 完整数据: " + s);
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}
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data[i / 2] = (byte) ((high << 4) + low);
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}
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return data;
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}
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/**
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* 字节数组转HEX字符串
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* @param bytes 字节数组
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* @return HEX字符串
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*/
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public static String bytesToHex(byte[] bytes) {
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if (bytes == null || bytes.length == 0) {
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return "";
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}
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StringBuilder sb = new StringBuilder();
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for (byte b : bytes) {
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sb.append(String.format("%02x", b));
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}
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return sb.toString();
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}
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/**
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* 获取当前时间字符串
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* @return 时间字符串
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*/
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private static String getCurrentTime() {
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return timeFormat.format(new Date());
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}
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/**
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* 启用调试模式
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*/
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public static void enableDebugMode() {
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DEBUG_MODE = true;
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System.out.println("[" + getCurrentTime() + "] Sendmsg调试模式已启用");
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}
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/**
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* 禁用调试模式
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*/
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public static void disableDebugMode() {
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DEBUG_MODE = false;
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System.out.println("[" + getCurrentTime() + "] Sendmsg调试模式已禁用");
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}
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/**
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* 设置调试模式
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*/
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public static void setDebugMode(boolean debug) {
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DEBUG_MODE = debug;
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System.out.println("[" + getCurrentTime() + "] Sendmsg调试模式: " + (debug ? "启用" : "禁用"));
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}
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}
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