完善智能称重终端界面与电子秤接入

android-app/android/app/src/main/AndroidManifest.xml

@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
+    <queries>
+        <package android:name="com.android.hct.android_hid_scale_service" />
+    </queries>
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"

android-app/android/app/src/main/cpp/modbus_poller.c

@@ -0,0 +1,302 @@
+/*
+ * modbus_poller.c — RS-485 Modbus RTU 串口轮询器
+ * 针对 Firefly AIO-3399C 工业终端优化
+ * RS485 端口: /dev/ttysWK0 (wk2xxx SPI-UART 桥接芯片)
+ *
+ * 编译: aarch64-linux-android26-clang -O2 -o modbus_poller modbus_poller.c
+ *
+ * 用法:
+ *   modbus_poller /dev/ttysWK0 [baudRate] [slaveId] [funcCode] [regAddr] [regCount] [dataType] [byteOrder] [pollMs]
+ *
+ * 默认: /dev/ttysWK0 9600 1 4 0 2 float32 ABCD 125
+ *
+ * 输出 (stdout, 每行一个 JSON):
+ *   {"status":"connecting","message":"..."}
+ *   {"status":"connected","message":"..."}
+ *   {"status":"sample","weightKg":12.34}
+ *   {"status":"error","message":"..."}
+ *   {"status":"disconnected"}
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <signal.h>
+#include <termios.h>
+#include <sys/ioctl.h>
+#include <time.h>
+#include <stdint.h>
+
+static volatile int g_running = 1;
+
+static void on_signal(int sig) {
+    (void)sig;
+    g_running = 0;
+}
+
+/* ---- Modbus CRC-16 (polynomial 0xA001, init 0xFFFF) ---- */
+static uint16_t crc16(const uint8_t *data, int len) {
+    uint16_t crc = 0xFFFF;
+    for (int i = 0; i < len; i++) {
+        crc ^= (uint16_t)data[i];
+        for (int j = 0; j < 8; j++) {
+            if (crc & 1)
+                crc = (crc >> 1) ^ 0xA001;
+            else
+                crc >>= 1;
+        }
+    }
+    return crc;
+}
+
+/* ---- 设置串口参数 ---- */
+static int setup_serial(int fd, int baud_rate) {
+    struct termios t;
+    memset(&t, 0, sizeof(t));  /* 先清零，防止 tcgetattr 失败时使用垃圾值 */
+
+    if (tcgetattr(fd, &t) < 0) {
+        fprintf(stderr, "[modbus] tcgetattr warning: %s (using defaults)\n", strerror(errno));
+        /* tcgetattr 失败时 t 已经是零，继续配置 */
+    }
+
+    cfmakeraw(&t);
+    t.c_cflag &= ~(CSIZE | CSTOPB | PARENB | PARODD);
+    t.c_cflag |= CS8 | CLOCAL | CREAD;
+    t.c_iflag = 0;
+    t.c_oflag = 0;
+    t.c_lflag = 0;
+    t.c_cc[VMIN] = 0;
+    t.c_cc[VTIME] = 0;
+
+    /* 设置波特率 */
+    speed_t speed;
+    switch (baud_rate) {
+        case 1200:   speed = B1200;   break;
+        case 2400:   speed = B2400;   break;
+        case 4800:   speed = B4800;   break;
+        case 9600:   speed = B9600;   break;
+        case 19200:  speed = B19200;  break;
+        case 38400:  speed = B38400;  break;
+        case 57600:  speed = B57600;  break;
+        case 115200: speed = B115200; break;
+        default:     speed = B9600;   break;
+    }
+    cfsetispeed(&t, speed);
+    cfsetospeed(&t, speed);
+
+    if (tcsetattr(fd, TCSANOW, &t) < 0) {
+        fprintf(stderr, "[modbus] tcsetattr warning: %s\n", strerror(errno));
+    }
+
+    /* 确保非阻塞模式 */
+    int fl = fcntl(fd, F_GETFL, 0);
+    if (fl >= 0) fcntl(fd, F_SETFL, fl | O_NONBLOCK);
+
+    return 0;
+}
+
+/* ---- 发送 Modbus RTU 请求并读取响应 ---- */
+static int modbus_transaction(int fd, int slave_id, int func_code,
+                              int reg_addr, int reg_count,
+                              uint8_t *response, int resp_max) {
+    uint8_t request[8];
+    request[0] = (uint8_t)slave_id;
+    request[1] = (uint8_t)func_code;
+    request[2] = (uint8_t)(reg_addr >> 8);
+    request[3] = (uint8_t)(reg_addr & 0xFF);
+    request[4] = (uint8_t)(reg_count >> 8);
+    request[5] = (uint8_t)(reg_count & 0xFF);
+    uint16_t crc = crc16(request, 6);
+    request[6] = (uint8_t)(crc & 0xFF);
+    request[7] = (uint8_t)(crc >> 8);
+
+    /* 清空接收缓冲区 */
+    tcflush(fd, TCIOFLUSH);
+
+    /* 发送请求（Firefly RS485 硬件自动方向控制，无需手动 RTS）*/
+    int written = write(fd, request, 8);
+    if (written != 8) {
+        return -1;
+    }
+    /* 等待发送完成 */
+    tcdrain(fd);
+
+    /* 短暂延时等待 RS485 硬件方向切换 */
+    usleep(5000);
+
+    /* 读取响应（非阻塞 + 手动超时）*/
+    int expected = 3 + 2 * reg_count + 2;
+    int total_read = 0;
+    struct timespec t_start, t_now;
+    clock_gettime(CLOCK_MONOTONIC, &t_start);
+
+    while (total_read < expected && g_running) {
+        int n = read(fd, response + total_read, resp_max - total_read);
+        if (n > 0) {
+            total_read += n;
+            if (total_read >= 3) {
+                int byte_count = response[2];
+                int actual_len = 3 + byte_count + 2;
+                if (total_read >= actual_len) break;
+            }
+        } else {
+            usleep(2000);
+        }
+
+        clock_gettime(CLOCK_MONOTONIC, &t_now);
+        double elapsed = (t_now.tv_sec - t_start.tv_sec) * 1000.0 +
+                         (t_now.tv_nsec - t_start.tv_nsec) / 1000000.0;
+        if (elapsed > 500.0) break;
+    }
+
+    if (total_read < 5) return -2;
+    if (total_read < 3) return -2;
+
+    /* 验证 CRC */
+    uint16_t resp_crc = crc16(response, total_read - 2);
+    uint16_t recv_crc = (uint16_t)response[total_read - 2] |
+                        ((uint16_t)response[total_read - 1] << 8);
+    if (resp_crc != recv_crc) return -3;
+
+    if (response[0] != slave_id) return -4;
+    if (response[1] != func_code) return -5;
+
+    return total_read;
+}
+
+/* ---- 从寄存器数据解析重量值 ---- */
+static double parse_weight(const uint8_t *data, int data_len,
+                           const char *data_type, const char *byte_order) {
+    if (data_len < 2) return -1.0;
+
+    if (strcmp(data_type, "uint16") == 0) {
+        return (double)((data[0] << 8) | data[1]);
+    }
+    if (strcmp(data_type, "int16") == 0) {
+        int16_t v = (int16_t)((data[0] << 8) | data[1]);
+        return (double)v;
+    }
+    if (data_len < 4) return -1.0;
+
+    uint8_t b[4];
+    if (strcmp(byte_order, "ABCD") == 0) {
+        b[0]=data[0]; b[1]=data[1]; b[2]=data[2]; b[3]=data[3];
+    } else if (strcmp(byte_order, "DCBA") == 0) {
+        b[0]=data[3]; b[1]=data[2]; b[2]=data[1]; b[3]=data[0];
+    } else if (strcmp(byte_order, "BADC") == 0) {
+        b[0]=data[1]; b[1]=data[0]; b[2]=data[3]; b[3]=data[2];
+    } else if (strcmp(byte_order, "CDAB") == 0) {
+        b[0]=data[2]; b[1]=data[3]; b[2]=data[0]; b[3]=data[1];
+    } else {
+        b[0]=data[0]; b[1]=data[1]; b[2]=data[2]; b[3]=data[3];
+    }
+
+    if (strcmp(data_type, "float32") == 0) {
+        uint32_t raw = ((uint32_t)b[0] << 24) | ((uint32_t)b[1] << 16) |
+                       ((uint32_t)b[2] << 8) | (uint32_t)b[3];
+        float f;
+        memcpy(&f, &raw, 4);
+        return (double)f;
+    }
+    if (strcmp(data_type, "uint32") == 0) {
+        uint32_t v = ((uint32_t)b[0] << 24) | ((uint32_t)b[1] << 16) |
+                     ((uint32_t)b[2] << 8) | (uint32_t)b[3];
+        return (double)v;
+    }
+    if (strcmp(data_type, "int32") == 0) {
+        int32_t v = (int32_t)(((uint32_t)b[0] << 24) | ((uint32_t)b[1] << 16) |
+                              ((uint32_t)b[2] << 8) | (uint32_t)b[3]);
+        return (double)v;
+    }
+    return -1.0;
+}
+
+int main(int argc, char *argv[]) {
+    const char *port = argc > 1 ? argv[1] : "/dev/ttysWK0";
+    int baud_rate    = argc > 2 ? atoi(argv[2]) : 9600;
+    int slave_id     = argc > 3 ? atoi(argv[3]) : 1;
+    int func_code    = argc > 4 ? atoi(argv[4]) : 4;
+    int reg_addr     = argc > 5 ? atoi(argv[5]) : 0;
+    int reg_count    = argc > 6 ? atoi(argv[6]) : 2;
+    const char *data_type  = argc > 7 ? argv[7] : "float32";
+    const char *byte_order = argc > 8 ? argv[8] : "ABCD";
+    int poll_ms      = argc > 9 ? atoi(argv[9]) : 125;
+
+    signal(SIGTERM, on_signal);
+    signal(SIGINT, on_signal);
+
+    printf("{\"status\":\"connecting\",\"message\":\"Opening %s at %d baud\"}\n", port, baud_rate);
+    fflush(stdout);
+
+    int fd = open(port, O_RDWR | O_NOCTTY | O_NONBLOCK);
+    if (fd < 0) {
+        printf("{\"status\":\"error\",\"message\":\"Cannot open %s: %s\"}\n", port, strerror(errno));
+        fflush(stdout);
+        return 1;
+    }
+
+    if (setup_serial(fd, baud_rate) < 0) {
+        printf("{\"status\":\"error\",\"message\":\"Cannot configure serial port\"}\n");
+        fflush(stdout);
+        close(fd);
+        return 1;
+    }
+
+    tcflush(fd, TCIOFLUSH);
+
+    printf("{\"status\":\"connected\",\"message\":\"%s ready, %d baud, slave %d, func %d, addr 0x%X\"}\n",
+           port, baud_rate, slave_id, func_code, reg_addr);
+    fflush(stdout);
+
+    usleep(100000); /* 100ms 稳定等待 */
+
+    uint8_t response[256];
+    int error_count = 0;
+    int poll_interval = poll_ms < 50 ? 50 : poll_ms;
+
+    while (g_running) {
+        int resp_len = modbus_transaction(fd, slave_id, func_code,
+                                          reg_addr, reg_count,
+                                          response, sizeof(response));
+
+        if (resp_len > 0) {
+            error_count = 0;
+            int byte_count = response[2];
+            if (byte_count >= 2 && resp_len >= byte_count + 5) {
+                double weight = parse_weight(response + 3, byte_count,
+                                             data_type, byte_order);
+                if (weight >= 0) {
+                    printf("{\"status\":\"sample\",\"weightKg\":%.4f}\n", weight);
+                } else {
+                    printf("{\"status\":\"error\",\"message\":\"Invalid weight data\"}\n");
+                }
+            }
+        } else {
+            error_count++;
+            if (error_count <= 3 || error_count % 20 == 0) {
+                const char *err;
+                switch (resp_len) {
+                    case -1:  err = "Write failed"; break;
+                    case -2:  err = "No response (timeout)"; break;
+                    case -3:  err = "CRC error"; break;
+                    case -4:  err = "Wrong slave ID"; break;
+                    case -5:  err = "Modbus exception"; break;
+                    default:  err = "Unknown error"; break;
+                }
+                printf("{\"status\":\"error\",\"message\":\"%s\"}\n", err);
+            }
+        }
+        fflush(stdout);
+        usleep(poll_interval * 1000);
+    }
+
+    tcflush(fd, TCIOFLUSH);
+    close(fd);
+
+    printf("{\"status\":\"disconnected\"}\n");
+    fflush(stdout);
+    return 0;
+}

android-app/android/app/src/main/java/com/woer/smartscale/MainActivity.java

@@ -9,7 +9,6 @@ import android.os.Build;
 import android.os.Bundle;
 import android.os.Environment;
 import android.provider.Settings;
-import android.util.DisplayMetrics;
 import android.util.Log;
 import android.view.ViewGroup;
 import android.webkit.JavascriptInterface;
@@ -29,7 +28,10 @@ import java.nio.charset.StandardCharsets;
 public class MainActivity extends Activity {
     // Android 6 到 Android 9 写入公共目录时需要动态申请存储权限。
     private static final int STORAGE_PERMISSION_REQUEST = 1001;
+    private static final int DESIGN_VIEWPORT_WIDTH = 1024;
+    private static final int DESIGN_VIEWPORT_HEIGHT = 600;
     private WebView webView;
+    private ScaleBroadcastBridge scaleBroadcastBridge;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -63,6 +65,7 @@ public class MainActivity extends Activity {
         settings.setUseWideViewPort(true);
         settings.setLoadWithOverviewMode(false);
         // 向前端暴露受控的文件保存和系统页面跳转能力。
+        scaleBroadcastBridge = new ScaleBroadcastBridge(this, webView);
         webView.addJavascriptInterface(new AndroidBridge(), "WoerNative");
 
         setContentView(webView);
@@ -115,6 +118,21 @@ public class MainActivity extends Activity {
                     | Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION);
             return launchSystemActivity(intent);
         }
+
+        @JavascriptInterface
+        public boolean startScale() {
+            return scaleBroadcastBridge != null && scaleBroadcastBridge.start();
+        }
+
+        @JavascriptInterface
+        public boolean stopScale() {
+            return scaleBroadcastBridge != null && scaleBroadcastBridge.stop();
+        }
+
+        @JavascriptInterface
+        public boolean scaleCommand(String command) {
+            return scaleBroadcastBridge != null && scaleBroadcastBridge.sendCommand(command);
+        }
     }
 
     private boolean launchSystemActivity(final Intent intent) {
@@ -167,17 +185,12 @@ public class MainActivity extends Activity {
     }
 
     private void loadApp() {
-        /*
+        // 操作界面按 1024×600 横屏终端标定，保持控件在目标设备上的一致尺寸。
-         * 终端的 WebView 会根据 density 缩小 CSS 视口。
-         * 这里使用真实横屏宽度改写 viewport，使 1920×1080 等分辨率都能自适应。
-         */
-        DisplayMetrics metrics = new DisplayMetrics();
-        getWindowManager().getDefaultDisplay().getRealMetrics(metrics);
-        int landscapeWidth = Math.round(
-                Math.max(metrics.widthPixels, metrics.heightPixels) / metrics.density);
         try {
             String html = readAsset("public/index.html")
-                    .replace("width=device-width", "width=" + landscapeWidth)
+                    .replace(
+                            "width=device-width",
+                            "width=" + DESIGN_VIEWPORT_WIDTH + ", height=" + DESIGN_VIEWPORT_HEIGHT)
                     .replace(", viewport-fit=cover", "");
             webView.loadDataWithBaseURL(
                     "file:///android_asset/public/",
@@ -205,6 +218,10 @@ public class MainActivity extends Activity {
 
     @Override
     protected void onDestroy() {
+        if (scaleBroadcastBridge != null) {
+            scaleBroadcastBridge.destroy();
+            scaleBroadcastBridge = null;
+        }
         if (webView != null) {
             // 主动销毁 WebView，释放页面定时器和 JavaScript 上下文。
             webView.destroy();

android-app/android/app/src/main/java/com/woer/smartscale/ModbusRtuBridge.java

@@ -0,0 +1,236 @@
+package com.woer.smartscale;
+
+import android.app.Activity;
+import android.os.Build;
+import android.util.Log;
+import android.webkit.WebView;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.concurrent.atomic.AtomicReference;
+
+/**
+ * RS-485 Modbus RTU 桥接器。
+ *
+ * 通过启动原生 modbus_poller 子进程读取电子秤重量，
+ * 将结果以 JavaScript CustomEvent 形式派发到 WebView。
+ *
+ * 配置 JSON 格式（留空使用默认值）:
+ * {
+ *   "portPath": "/dev/ttysWK0",
+ *   "baudRate": 9600,
+ *   "slaveId": 1,
+ *   "functionCode": 4,
+ *   "registerAddress": 0,
+ *   "registerCount": 2,
+ *   "dataType": "float32",
+ *   "byteOrder": "ABCD",
+ *   "pollIntervalMs": 125
+ * }
+ */
+public class ModbusRtuBridge {
+    private static final String TAG = "ModbusRtuBridge";
+    private static final String POLLER_PATH = "/data/local/tmp/modbus_poller";
+
+    private final Activity activity;
+    private final WebView webView;
+    private final AtomicReference<Process> processRef = new AtomicReference<>();
+    private volatile boolean running = false;
+
+    public ModbusRtuBridge(Activity activity, WebView webView) {
+        this.activity = activity;
+        this.webView = webView;
+    }
+
+    /**
+     * 启动 Modbus 轮询。
+     * @param configJson 前端传入的配置 JSON 字符串
+     * @return true 如果成功启动
+     */
+    public boolean start(String configJson) {
+        if (running) {
+            Log.w(TAG, "Already running");
+            return true;
+        }
+
+        // 解析配置
+        String portPath = "/dev/ttysWK0";
+        int baudRate = 9600;
+        int slaveId = 1;
+        int functionCode = 4;
+        int registerAddress = 0;
+        int registerCount = 2;
+        String dataType = "float32";
+        String byteOrder = "ABCD";
+        int pollIntervalMs = 125;
+
+        if (configJson != null && !configJson.trim().isEmpty()) {
+            try {
+                JSONObject cfg = new JSONObject(configJson);
+                portPath = cfg.optString("portPath", portPath);
+                baudRate = cfg.optInt("baudRate", baudRate);
+                slaveId = cfg.optInt("slaveId", slaveId);
+                functionCode = cfg.optInt("functionCode", functionCode);
+                registerAddress = cfg.optInt("registerAddress", registerAddress);
+                registerCount = cfg.optInt("registerCount", registerCount);
+                dataType = cfg.optString("dataType", dataType);
+                byteOrder = cfg.optString("byteOrder", byteOrder);
+                pollIntervalMs = cfg.optInt("pollIntervalMs", pollIntervalMs);
+            } catch (JSONException e) {
+                Log.e(TAG, "Config parse error", e);
+                dispatchEvent("error", "Modbus 配置 JSON 解析失败: " + e.getMessage(), 0);
+                return false;
+            }
+        }
+
+        final String[] cmd = {
+                "su", "0", POLLER_PATH,
+                portPath,
+                String.valueOf(baudRate),
+                String.valueOf(slaveId),
+                String.valueOf(functionCode),
+                String.valueOf(registerAddress),
+                String.valueOf(registerCount),
+                dataType,
+                byteOrder,
+                String.valueOf(pollIntervalMs)
+        };
+
+        Log.i(TAG, "Starting modbus_poller: " + portPath + " " + baudRate + " " +
+                slaveId + " " + functionCode + " " + registerAddress + " " +
+                registerCount + " " + dataType + " " + byteOrder + " " + pollIntervalMs);
+
+        try {
+            ProcessBuilder pb = new ProcessBuilder(cmd);
+            pb.redirectErrorStream(true);
+            Process process = pb.start();
+            processRef.set(process);
+            running = true;
+
+            // 读取子进程输出的线程
+            Thread readerThread = new Thread(() -> {
+                try (BufferedReader reader = new BufferedReader(
+                        new InputStreamReader(process.getInputStream()))) {
+                    String line;
+                    while (running && (line = reader.readLine()) != null) {
+                        line = line.trim();
+                        if (line.isEmpty()) continue;
+                        handlePollerOutput(line);
+                    }
+                } catch (IOException e) {
+                    if (running) {
+                        Log.e(TAG, "Read error", e);
+                        dispatchEvent("error", "串口读取异常: " + e.getMessage(), 0);
+                    }
+                } finally {
+                    running = false;
+                    processRef.set(null);
+                }
+            }, "ModbusReader");
+            readerThread.setDaemon(true);
+            readerThread.start();
+
+            return true;
+        } catch (IOException e) {
+            Log.e(TAG, "Failed to start modbus_poller", e);
+            dispatchEvent("error", "无法启动串口程序: " + e.getMessage(), 0);
+            return false;
+        }
+    }
+
+    /**
+     * 停止 Modbus 轮询。
+     */
+    public boolean stop() {
+        running = false;
+        Process process = processRef.getAndSet(null);
+        if (process != null) {
+            process.destroy();
+            Log.i(TAG, "modbus_poller stopped");
+        }
+        return true;
+    }
+
+    /**
+     * 销毁桥接器，释放资源。
+     */
+    public void destroy() {
+        stop();
+    }
+
+    /**
+     * 处理 modbus_poller 输出的一行 JSON。
+     */
+    private void handlePollerOutput(String json) {
+        try {
+            JSONObject obj = new JSONObject(json);
+            String status = obj.optString("status", "");
+            String message = obj.optString("message", "");
+            double weightKg = obj.optDouble("weightKg", -1);
+
+            switch (status) {
+                case "connecting":
+                    dispatchEvent("connecting", message, 0);
+                    break;
+                case "connected":
+                    dispatchEvent("connected", message, 0);
+                    break;
+                case "sample":
+                    if (weightKg >= 0) {
+                        dispatchEvent("sample", message, weightKg);
+                    }
+                    break;
+                case "error":
+                    dispatchEvent("error", message, 0);
+                    break;
+                case "disconnected":
+                    dispatchEvent("disconnected", "串口已断开", 0);
+                    break;
+            }
+        } catch (JSONException e) {
+            Log.w(TAG, "Cannot parse: " + json);
+        }
+    }
+
+    /**
+     * 向 WebView 派发 woer-modbus CustomEvent。
+     */
+    private void dispatchEvent(String status, String message, double weightKg) {
+        if (webView == null) return;
+
+        // 转义消息中的特殊字符
+        String safeMessage = message == null ? "" : message
+                .replace("\\", "\\\\")
+                .replace("\"", "\\\"")
+                .replace("'", "\\'")
+                .replace("\n", "\\n")
+                .replace("\r", "");
+
+        StringBuilder js = new StringBuilder();
+        js.append("(function(){");
+        js.append("  var detail = {");
+        js.append("    status: '").append(status).append("'");
+        if (!safeMessage.isEmpty()) {
+            js.append("    , message: '").append(safeMessage).append("'");
+        }
+        if (weightKg > 0 || (status.equals("sample") && weightKg == 0)) {
+            js.append("    , weightKg: ").append(weightKg);
+        }
+        js.append("  };");
+        js.append("  window.dispatchEvent(new CustomEvent('woer-modbus', { detail: detail }));");
+        js.append("})();");
+
+        final String jsCode = js.toString();
+        activity.runOnUiThread(() -> {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+                webView.evaluateJavascript(jsCode, null);
+            } else {
+                webView.loadUrl("javascript:" + jsCode);
+            }
+        });
+    }
+}

android-app/android/app/src/main/java/com/woer/smartscale/ScaleBroadcastBridge.java

@@ -0,0 +1,141 @@
+package com.woer.smartscale;
+
+import android.app.Activity;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.pm.PackageManager;
+import android.os.Build;
+import android.webkit.WebView;
+
+/**
+ * HCT 智能秤后台服务广播桥接器。
+ *
+ * 后台服务 com.android.hct.android_hid_scale_service 会发送
+ * com.android.scale.weight 广播，weight 字段格式为：状态,净重,皮重,单位。
+ */
+public class ScaleBroadcastBridge {
+    private static final String SCALE_SERVICE_PACKAGE = "com.android.hct.android_hid_scale_service";
+    private static final String ACTION_WEIGHT = "com.android.scale.weight";
+    private static final String ACTION_SET = "com.android.scale.set";
+
+    private final Activity activity;
+    private final WebView webView;
+    private boolean receiverRegistered;
+
+    private final BroadcastReceiver weightReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            String reading = intent.getStringExtra("weight");
+            if (reading == null || reading.trim().isEmpty()) {
+                dispatchEvent("error", "电子秤广播缺少重量数据", 0);
+                return;
+            }
+
+            String[] fields = reading.replace("\r", "").replace("\n", "").trim().split(",");
+            if (fields.length < 4) {
+                dispatchEvent("error", "电子秤重量数据格式无效", 0);
+                return;
+            }
+
+            try {
+                String stability = fields[0].trim();
+                double weightKg = toKilograms(Double.parseDouble(fields[1].trim()), fields[3].trim());
+                String message = "ST".equals(stability) ? "重量稳定" : "US".equals(stability) ? "重量波动中" : stability;
+                dispatchEvent("sample", message, weightKg);
+            } catch (NumberFormatException ignored) {
+                dispatchEvent("error", "电子秤重量值无效", 0);
+            }
+        }
+    };
+
+    public ScaleBroadcastBridge(Activity activity, WebView webView) {
+        this.activity = activity;
+        this.webView = webView;
+    }
+
+    public boolean start() {
+        if (!isScaleServiceInstalled()) {
+            dispatchEvent("error", "未安装电子秤后台服务 android_hid_scale_service", 0);
+            return false;
+        }
+        if (!receiverRegistered) {
+            IntentFilter filter = new IntentFilter(ACTION_WEIGHT);
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+                activity.registerReceiver(weightReceiver, filter, Context.RECEIVER_NOT_EXPORTED);
+            } else {
+                activity.registerReceiver(weightReceiver, filter);
+            }
+            receiverRegistered = true;
+        }
+        launchScaleService();
+        dispatchEvent("connecting", "正在连接电子秤后台服务", 0);
+        return true;
+    }
+
+    public boolean stop() {
+        if (receiverRegistered) {
+            try {
+                activity.unregisterReceiver(weightReceiver);
+            } catch (IllegalArgumentException ignored) {
+                // Activity 已销毁时接收器可能已被系统注销。
+            }
+            receiverRegistered = false;
+        }
+        return true;
+    }
+
+    public boolean sendCommand(String command) {
+        if (!"zero".equals(command) && !"tare".equals(command)) return false;
+        if (!isScaleServiceInstalled()) {
+            dispatchEvent("error", "未安装电子秤后台服务 android_hid_scale_service", 0);
+            return false;
+        }
+        Intent commandIntent = new Intent(ACTION_SET);
+        commandIntent.putExtra("set", command);
+        activity.sendBroadcast(commandIntent);
+        return true;
+    }
+
+    public void destroy() {
+        stop();
+    }
+
+    private boolean isScaleServiceInstalled() {
+        try {
+            activity.getPackageManager().getPackageInfo(SCALE_SERVICE_PACKAGE, 0);
+            return true;
+        } catch (PackageManager.NameNotFoundException ignored) {
+            return false;
+        }
+    }
+
+    private void launchScaleService() {
+        Intent launchIntent = activity.getPackageManager().getLaunchIntentForPackage(SCALE_SERVICE_PACKAGE);
+        if (launchIntent != null) {
+            launchIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+            activity.startActivity(launchIntent);
+        }
+    }
+
+    private static double toKilograms(double value, String unit) {
+        String normalized = unit.trim().toLowerCase();
+        if ("g".equals(normalized) || "克".equals(unit.trim())) return value / 1000d;
+        if ("lb".equals(normalized) || "lbs".equals(normalized)) return value * 0.45359237d;
+        return value;
+    }
+
+    private void dispatchEvent(String status, String message, double weightKg) {
+        String safeMessage = message == null ? "" : message
+                .replace("\\", "\\\\")
+                .replace("'", "\\'")
+                .replace("\n", "\\n")
+                .replace("\r", "");
+        StringBuilder javascript = new StringBuilder("(function(){window.dispatchEvent(new CustomEvent('woer-modbus',{detail:{status:'")
+                .append(status).append("',message:'").append(safeMessage).append("'");
+        if ("sample".equals(status)) javascript.append(",weightKg:").append(weightKg);
+        javascript.append("}}));})();");
+        activity.runOnUiThread(() -> webView.evaluateJavascript(javascript.toString(), null));
+    }
+}

app/globals.css

@@ -69,6 +69,7 @@ button:disabled { cursor: not-allowed; opacity: .55; }
 .progress-item.active span { color: white; background: var(--green); border-color: var(--green); }
 .content { flex: 1; display: grid; }
 footer { min-height: 44px; display: flex; align-items: center; justify-content: space-between; padding: 0 38px; border-top: 1px solid var(--line); color: #94a098; font-size: 12px; letter-spacing: .04em; }
+.production-footer { justify-content: center; }
 
 .home-view { padding: 46px clamp(36px, 6vw, 70px) 34px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(340px, .95fr); align-items: center; gap: clamp(36px, 6vw, 74px); position: relative; }
 .home-copy { min-width: 0; }
@@ -84,26 +85,32 @@ h1 em { font-style: normal; color: var(--green); }
 @keyframes pulse { 50% { opacity: .45; transform: scale(.92); } }
 .admin-link { min-width: 190px; display: flex; align-items: center; justify-content: space-between; margin-top: 30px; border: 1px solid #cbd8d1; border-radius: 11px; background: rgba(255,255,255,.78); color: #53625a; padding: 11px 14px; font-size: 13px; font-weight: 800; box-shadow: 0 6px 18px rgba(30,55,43,.05); }
 .admin-link:hover { color: var(--green); border-color: #9fc5b5; background: white; }
+.admin-link-fab { position: absolute; bottom: 22px; right: 32px; display: flex; align-items: center; gap: 8px; border: 1px solid #cbd8d1; border-radius: 12px; background: rgba(255,255,255,.95); color: #53625a; padding: 13px 20px; font-size: 14px; font-weight: 800; box-shadow: 0 6px 18px rgba(30,55,43,.1); z-index: 3; }
+.admin-link-fab:hover { color: var(--green); border-color: #9fc5b5; background: white; }
+.admin-link-fab span { color: var(--green); font-size: 16px; }
+.back-button-fab { position: absolute; bottom: 18px; right: 28px; display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--green); border-radius: 10px; background: var(--green); color: white; padding: 10px 18px; font-size: 14px; font-weight: 800; box-shadow: 0 6px 16px rgba(0,127,95,.22); z-index: 3; }
+.back-button-fab:hover, .back-button-fab:active { color: white; border-color: #006e53; background: #006e53; }
+.identity-material-block { margin-top: 14px; }
 .home-notice { width: min(390px, 100%); }
 .home-stats { margin-top: 36px; display: flex; gap: 32px; color: #849088; font-size: 11px; }
 .home-stats span { padding-left: 12px; border-left: 2px solid #e0e6e1; }
 .home-stats b { display: block; color: var(--ink); font-size: 14px; margin-bottom: 4px; }
 .home-material-panel { position: relative; padding: 28px; border: 1px solid rgba(255,255,255,.9); border-radius: 23px; background: rgba(255,255,255,.7); box-shadow: 0 18px 50px rgba(30,56,43,.1), inset 0 1px #fff; }
 .home-material-panel::before { content: ""; position: absolute; width: 180px; height: 180px; right: -60px; top: -55px; z-index: -1; border-radius: 50%; background: rgba(0,127,95,.08); box-shadow: 0 0 0 32px rgba(0,127,95,.025); }
-.material-panel-heading h2 { margin: 7px 0 5px; font-size: 28px; letter-spacing: -.035em; }
+.material-panel-heading h2 { margin: 7px 0 5px; font-size: 32px; letter-spacing: -.035em; }
-.material-panel-heading p { margin: 0 0 18px; color: var(--muted); font-size: 13px; }
+.material-panel-heading p { margin: 0 0 18px; color: var(--muted); font-size: 15px; }
-.home-material-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
+.home-material-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
-.home-material-grid .material-card { min-height: 100px; padding: 18px 17px; border-radius: 14px; }
+.home-material-grid .material-card { min-height: 120px; padding: 22px 20px; border-radius: 16px; }
-.home-material-grid .material-card.selected { padding: 17px 16px; }
+.home-material-grid .material-card.selected { padding: 21px 19px; }
-.home-material-grid .material-card b { font-size: 20px; }
+.home-material-grid .material-card b { font-size: 24px; }
-.home-material-grid .material-card small { margin-top: 8px; font-size: 11px; }
+.home-material-grid .material-card small { margin-top: 10px; font-size: 13px; }
-.home-material-grid .material-card i { font-size: 14px; }
+.home-material-grid .material-card i { font-size: 18px; }
 .material-selection-status { display: flex; align-items: center; gap: 8px; margin-top: 13px; padding: 9px 11px; border-radius: 9px; background: #eef1ee; color: #7c8781; font-size: 11px; font-weight: 700; }
 .material-selection-status span { width: 19px; height: 19px; display: grid; place-items: center; border: 1px solid #bfc8c2; border-radius: 50%; font-size: 10px; }
 .material-selection-status.ready { background: var(--mint); color: var(--green); }
 .material-selection-status.ready span { border-color: var(--green); background: var(--green); color: white; }
 
-.panel-view { width: min(760px, calc(100% - 48px)); margin: 0 auto; padding: 35px 0; }
+.panel-view { width: min(760px, calc(100% - 48px)); margin: 0 auto; padding: 35px 0; position: relative; }
 .back-button {
   min-height: 38px;
   display: inline-flex;
@@ -121,64 +128,81 @@ h1 em { font-style: normal; color: var(--green); }
 }
 .back-button:hover, .back-button:active { color: white; border-color: #006e53; background: #006e53; }
 .section-heading { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; margin-bottom: 24px; }
-.section-heading h2, .result-view h2 { margin: 7px 0 7px; font-size: 30px; letter-spacing: -.035em; }
+.section-heading h2, .result-view h2 { margin: 7px 0 7px; font-size: 32px; letter-spacing: -.035em; }
 .section-heading p, .result-view > p { margin: 0; color: var(--muted); font-size: 14px; }
 .refresh-button { border: 1px solid var(--line); border-radius: 10px; background: white; color: #53615a; font-size: 13px; padding: 10px 14px; }
-.identity-card { display: flex; align-items: center; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: 15px; padding: 16px; box-shadow: 0 8px 24px rgba(35,58,46,.05); }
+.identity-card { display: flex; align-items: center; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: 15px; padding: 18px; box-shadow: 0 8px 24px rgba(35,58,46,.05); }
-.avatar { width: 54px; height: 54px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 14px; background: var(--green); color: white; font-size: 22px; font-weight: 800; }
+.avatar { width: 58px; height: 58px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 14px; background: var(--green); color: white; font-size: 24px; font-weight: 800; }
-.identity-card small { color: #8c9791; font-size: 12px; }
+.identity-card small { color: #8c9791; font-size: 14px; }
-.identity-card h3 { margin: 4px 0; font-size: 20px; }
+.identity-card h3 { margin: 4px 0; font-size: 22px; }
-.identity-card p { margin: 0; color: #66736c; font-size: 13px; }
+.identity-card p { margin: 0; color: #66736c; font-size: 15px; }
 .verified { margin-left: auto; background: var(--mint); color: var(--green); padding: 8px 11px; border-radius: 99px; font-size: 12px; font-weight: 700; }
 .verified.missing { color: #9b6b14; background: #fbf0d7; }
+.identity-panel-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; color: var(--green); font-size: 14px; font-weight: 800; }
+.identity-layout { display: flex; gap: 16px; }
+.identity-person-panel, .identity-operation-panel { min-width: 0; padding: 16px 18px; border: 1px solid #b7d7c9; border-radius: 16px; background: linear-gradient(135deg, #ffffff, #f4fbf7); box-shadow: 0 10px 28px rgba(35,58,46,.08); }
+.identity-person-panel { flex: .9 1 0; }
+.identity-operation-panel { flex: 1.1 1 0; }
+.identity-person-panel .identity-card { min-height: 88px; padding: 13px; box-shadow: none; }
+.identity-person-panel .identity-card h3 { font-size: 24px; }
+.identity-operation-panel .machine-select-row { min-height: 72px; }
+.identity-operation-panel .machine-select-row b { font-size: 20px; }
+.identity-operation-panel .full-primary { margin-top: 14px; padding: 13px 16px; font-size: 15px; }
+.identity-back { position: absolute; top: 0; left: 0; z-index: 1; }
+.identity-material-compact { min-height: 42px; justify-content: flex-start; gap: 8px; margin: 0 0 12px; padding: 8px 12px; }
+.identity-material-compact small, .identity-material-compact b, .identity-material-compact em { display: inline; }
+.identity-material-compact small { font-size: 11px; }
+.identity-material-compact b { margin: 0; font-size: 15px; }
+.identity-material-compact em { margin-left: 3px; font-size: 10px; }
+.identity-material-compact i { margin-left: auto; }
 .field-label { display: block; margin: 22px 0 8px; font-size: 13px; font-weight: 800; }
 .machine-picker { height: 52px; display: flex; align-items: center; gap: 10px; border: 1px solid #cfd8d2; border-radius: 12px; background: white; padding: 0 15px; }
 .machine-picker:focus-within { border-color: var(--green); box-shadow: 0 0 0 3px rgba(0,127,95,.08); }
 .machine-picker input { flex: 1; border: 0; outline: 0; background: transparent; font-size: 14px; }
 .machine-picker b { color: var(--green); }
-.machine-select-row { min-height: 62px; display: flex; align-items: center; gap: 12px; border: 1px solid #cfd8d2; border-radius: 12px; background: white; padding: 10px 12px; }
+.machine-select-row { min-height: 68px; display: flex; align-items: center; gap: 12px; border: 1px solid #cfd8d2; border-radius: 12px; background: white; padding: 12px 14px; }
 .machine-select-row.selected { border-color: #a9cbbb; background: #fbfefc; }
-.machine-select-icon { width: 36px; height: 36px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 9px; background: #e9f4ef; color: var(--green); }
+.machine-select-icon { width: 40px; height: 40px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 9px; background: #e9f4ef; color: var(--green); }
 .machine-select-row > span:nth-child(2) { flex: 1; }
 .machine-select-row small, .machine-select-row b { display: block; }
-.machine-select-row small { color: #89948e; font-size: 10px; margin-bottom: 4px; }
+.machine-select-row small { color: #89948e; font-size: 12px; margin-bottom: 4px; }
-.machine-select-row b { font-size: 14px; }
+.machine-select-row b { font-size: 17px; }
-.machine-select-row > button { border: 0; border-radius: 8px; background: var(--green); color: white; padding: 9px 12px; font-size: 11px; font-weight: 800; }
+.machine-select-row > button { border: 0; border-radius: 8px; background: var(--green); color: white; padding: 11px 14px; font-size: 13px; font-weight: 800; }
 .machine-select-row > button.machine-refresh { border: 1px solid #cbd8d1; background: white; color: #65736b; }
 .suggestions { margin-top: 6px; border: 1px solid var(--line); border-radius: 12px; background: white; padding: 5px; box-shadow: 0 15px 40px rgba(32,55,44,.1); }
 .suggestions button { width: 100%; display: flex; align-items: center; gap: 10px; border: 0; border-radius: 8px; background: transparent; padding: 10px; text-align: left; font-size: 14px; }
 .suggestions button:hover { background: #eef7f2; color: var(--green); }
 .suggestions button small { margin-left: auto; color: #95a099; }
 .suggestions p { text-align: center; color: #7f8b84; font-size: 13px; }
-.full-primary { width: 100%; margin-top: 22px; border: 0; border-radius: 12px; background: var(--green); color: white; padding: 15px 18px; font-size: 14px; font-weight: 800; box-shadow: 0 10px 25px rgba(0,127,95,.18); }
+.full-primary { width: 100%; margin-top: 22px; border: 0; border-radius: 12px; background: var(--green); color: white; padding: 17px 18px; font-size: 16px; font-weight: 800; box-shadow: 0 10px 25px rgba(0,127,95,.18); }
 .full-primary span { float: right; }
 .notice { margin-top: 12px; padding: 10px 12px; border-radius: 8px; background: #f7edd8; color: #8b671e; font-size: 12px; }
 .notice.compact { margin: 10px 0 -10px; }
 
-.weigh-view { padding: 14px 32px 28px; }
+.weigh-view { padding: 14px 32px 28px; position: relative; }
-.weigh-back { margin-bottom: 7px; }
+.weigh-back { position: absolute; top: 14px; left: 32px; z-index: 1; margin: 0; }
-.weigh-meta { display: flex; gap: 0; border: 1px solid var(--line); background: white; border-radius: 11px; padding: 10px 14px; margin-bottom: 14px; }
+.weigh-meta { display: flex; gap: 0; border: 1px solid var(--line); background: white; border-radius: 11px; padding: 12px 16px; margin: 0 0 14px 92px; }
-.weigh-meta > span { min-width: 170px; padding-right: 18px; margin-right: 18px; border-right: 1px solid var(--line); }
+.weigh-meta > span { min-width: 170px; display: inline-flex; align-items: center; gap: 8px; padding-right: 18px; margin-right: 18px; border-right: 1px solid var(--line); white-space: nowrap; }
 .weigh-meta > span.material-meta { min-width: 230px; }
-.weigh-meta small, .weigh-meta b { display: block; }
+.weigh-meta small, .weigh-meta b { display: inline; }
-.weigh-meta small { color: #8a958f; font-size: 11px; margin-bottom: 4px; }
+.weigh-meta small { color: #8a958f; font-size: 14px; margin: 0 10px 0 0; }
-.weigh-meta b { font-size: 13px; }
+.weigh-meta b { font-size: 17px; }
 .weigh-meta button { margin-left: auto; border: 0; background: none; color: var(--green); font-size: 12px; font-weight: 800; }
-.scale-display { border-radius: 18px; background: #112b23; color: white; padding: 17px 24px 15px; box-shadow: inset 0 1px rgba(255,255,255,.08), 0 16px 30px rgba(16,42,33,.17); }
+.scale-display { min-height: 300px; display: flex; flex-direction: column; border-radius: 18px; background: #112b23; color: white; padding: 22px 28px 18px; box-shadow: inset 0 1px rgba(255,255,255,.08), 0 16px 30px rgba(16,42,33,.17); }
 .display-top { display: flex; justify-content: space-between; align-items: center; }
-.stable-badge { color: #e2c680; font-size: 12px; font-weight: 700; }
+.stable-badge { color: #e2c680; font-size: 14px; font-weight: 700; }
-.stable-badge i { display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: #e4b64e; box-shadow: 0 0 0 4px rgba(228,182,78,.13); }
+.stable-badge i { display: inline-block; width: 8px; height: 8px; margin-right: 6px; border-radius: 50%; background: #e4b64e; box-shadow: 0 0 0 4px rgba(228,182,78,.13); }
 .stable-badge.ready { color: #83dfb8; }
 .stable-badge.ready i { background: #48c78e; box-shadow: 0 0 0 4px rgba(72,199,142,.13); }
 .unit-switch { display: flex; background: rgba(255,255,255,.07); border-radius: 8px; padding: 3px; }
-.unit-switch button { border: 0; border-radius: 6px; background: transparent; color: #849b91; font-size: 11px; padding: 5px 9px; }
+.unit-switch button { border: 0; border-radius: 6px; background: transparent; color: #849b91; font-size: 13px; padding: 6px 11px; }
 .unit-switch button.active { background: #e8f0ea; color: #15352a; font-weight: 800; }
-.weight-number { display: flex; justify-content: center; align-items: baseline; gap: 13px; margin: 2px 0; }
+.weight-number { flex: 1; display: flex; justify-content: center; align-items: center; gap: 15px; margin: 6px 0; }
-.weight-number span { font-family: "Courier New", monospace; font-size: clamp(60px, 8vw, 84px); letter-spacing: -.08em; font-weight: 700; }
+.weight-number span { font-family: "Courier New", monospace; font-size: clamp(88px, 13vw, 138px); letter-spacing: -.08em; font-weight: 700; }
-.weight-number b { color: #8da298; font-size: 15px; }
+.weight-number b { color: #8da298; font-size: 20px; }
-.stability-track { height: 3px; background: rgba(255,255,255,.08); border-radius: 4px; overflow: hidden; }
+.stability-track { height: 4px; background: rgba(255,255,255,.08); border-radius: 4px; overflow: hidden; }
 .stability-track span { display: block; height: 100%; background: #4bd19a; transition: width .25s; }
-.display-details { display: flex; justify-content: center; gap: 0; margin-top: 12px; color: #789187; font-size: 11px; }
+.display-details { display: flex; justify-content: center; gap: 0; margin-top: auto; padding-top: 14px; color: #789187; font-size: 14px; }
 .display-details > span + span { margin-left: 42px; }
 .display-details b { color: #dbe8e1; margin-left: 5px; }
 .scale-tools { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 11px 0 16px; }
@@ -202,12 +226,12 @@ h1 em { font-style: normal; color: var(--green); }
 .material-card b { font-size: 17px; letter-spacing: -.02em; }
 .material-card small { margin-top: 6px; color: #87928c; font-size: 10px; font-weight: 700; }
 .material-card i { margin-left: auto; font-size: 12px; color: var(--green); font-style: normal; }
-.selected-material-summary { display: flex; align-items: center; gap: 12px; border: 1px solid #bedacd; border-radius: 12px; background: #f3faf7; padding: 13px 16px; }
+.selected-material-summary { display: flex; align-items: center; gap: 12px; border: 1px solid #bedacd; border-radius: 12px; background: #f3faf7; padding: 14px 16px; }
 .selected-material-summary > span:nth-child(2) { flex: 1; }
 .selected-material-summary small, .selected-material-summary b, .selected-material-summary em { display: block; }
-.selected-material-summary small { color: #7a8a82; font-size: 10px; }
+.selected-material-summary small { color: #7a8a82; font-size: 12px; }
-.selected-material-summary b { margin: 3px 0; font-size: 19px; }
+.selected-material-summary b { margin: 3px 0; font-size: 21px; }
-.selected-material-summary em { color: #8c9891; font-size: 9px; font-style: normal; }
+.selected-material-summary em { color: #8c9891; font-size: 11px; font-style: normal; }
 .selected-material-summary > i { color: var(--green); font-size: 11px; font-style: normal; font-weight: 800; }
 .full-primary.upload { margin-top: 18px; }
 
@@ -491,11 +515,11 @@ h1 em { font-style: normal; color: var(--green); }
   .home-material-panel { padding: clamp(19px, 2.5vw, 24px); }
   .material-panel-heading h2 { margin-top: 5px; font-size: 25px; }
   .material-panel-heading p { margin-bottom: 12px; font-size: 13px; }
-  .home-material-grid { gap: 11px; }
+  .home-material-grid { gap: 12px; }
-  .home-material-grid .material-card { min-height: 78px; padding: 13px 15px; }
+  .home-material-grid .material-card { min-height: 92px; padding: 16px 18px; }
-  .home-material-grid .material-card.selected { padding: 12px 14px; }
+  .home-material-grid .material-card.selected { padding: 15px 17px; }
-  .home-material-grid .material-card b { font-size: 19px; }
+  .home-material-grid .material-card b { font-size: 22px; }
-  .home-material-grid .material-card small { margin-top: 6px; font-size: 11px; }
+  .home-material-grid .material-card small { margin-top: 8px; font-size: 13px; }
   .material-selection-status { margin-top: 10px; padding: 8px 10px; }
 
   .panel-view { width: min(900px, calc(100% - 40px)); padding: 12px 0; }
@@ -503,12 +527,12 @@ h1 em { font-style: normal; color: var(--green); }
   .section-heading { margin-bottom: 12px; }
   .section-heading h2, .result-view h2 { margin: 4px 0; font-size: 25px; }
   .refresh-button { padding: 8px 12px; }
-  .identity-card { padding: 11px 14px; }
+  .identity-card { padding: 13px 16px; }
-  .avatar { width: 44px; height: 44px; border-radius: 11px; font-size: 19px; }
+  .avatar { width: 48px; height: 48px; border-radius: 11px; font-size: 21px; }
-  .identity-card h3 { margin: 2px 0; font-size: 18px; }
+  .identity-card h3 { margin: 2px 0; font-size: 20px; }
   .field-label { margin: 12px 0 6px; }
-  .machine-select-row { min-height: 52px; padding: 7px 10px; }
+  .machine-select-row { min-height: 56px; padding: 8px 12px; }
-  .machine-select-icon { width: 32px; height: 32px; }
+  .machine-select-icon { width: 36px; height: 36px; }
   .full-primary { margin-top: 12px; padding: 12px 16px; }
 
   .weigh-view { position: relative; width: min(1180px, calc(100% - 36px)); padding: 7px 0 10px; }
@@ -516,10 +540,10 @@ h1 em { font-style: normal; color: var(--green); }
   .weigh-meta { margin: 0 0 7px 84px; padding: 7px 12px; }
   .weigh-meta > span { min-width: 150px; }
   .weigh-meta > span.material-meta { min-width: 200px; }
-  .scale-display { padding: 10px 20px 9px; border-radius: 14px; }
+  .scale-display { padding: 14px 24px 12px; border-radius: 14px; }
   .weight-number { margin: 0; }
-  .weight-number span { font-size: clamp(48px, 7vw, 70px); }
+  .weight-number span { font-size: clamp(56px, 9vw, 80px); }
-  .display-details { margin-top: 6px; }
+  .display-details { margin-top: 8px; }
   .scale-tools { margin: 7px 0 8px; }
   .scale-tools button { min-height: 42px; padding: 7px 11px; }
   .selected-material-summary { padding: 8px 13px; }
@@ -713,7 +737,7 @@ h1 em { font-style: normal; color: var(--green); }
 
 @media (orientation: landscape) and (max-height: 820px) {
   .weight-number span {
-    font-size: 44px;
+    font-size: clamp(48px, 8vw, 68px);
     font-weight: 900;
     letter-spacing: -.05em;
   }
@@ -755,3 +779,43 @@ h1 em { font-style: normal; color: var(--green); }
     margin: 0;
   }
 }
+
+@media (orientation: landscape) and (max-width: 1100px) and (max-height: 700px) {
+  /* 1024×600 工业终端：首页仅保留废料选择，第二页按人员与操作两栏展示。 */
+  .home-view { display: flex; align-items: center; justify-content: center; padding: 18px 40px; }
+  .home-material-panel { width: min(720px, 100%); flex: 0 1 720px; padding: 22px 24px; }
+  .home-material-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
+  .home-material-grid .material-card { width: auto; min-height: 88px; margin: 0; padding: 14px 17px; }
+  .home-material-grid .material-card:nth-child(odd), .home-material-grid .material-card:nth-child(n+3) { margin: 0; }
+  .material-panel-heading h2 { font-size: 27px; }
+  .home-material-grid .material-card.selected { padding: 13px 16px; }
+  .home-material-grid .material-card b { font-size: 21px; }
+
+  .identity-view { width: calc(100% - 48px); max-width: 960px; padding: 10px 0 14px; position: relative; }
+  .identity-view > .section-heading { min-height: 40px; margin-bottom: 10px; padding-left: 96px; }
+  .identity-view > .section-heading h2 { font-size: 26px; }
+  .identity-layout { display: grid; grid-template-columns: minmax(300px, .85fr) minmax(400px, 1.15fr); gap: 16px; }
+  .identity-person-panel, .identity-operation-panel { min-width: 0; min-height: 146px; padding: 16px 18px; border: 1px solid #b7d7c9; border-radius: 16px; background: linear-gradient(135deg, #ffffff, #f4fbf7); box-shadow: 0 10px 28px rgba(35,58,46,.08); }
+  .identity-panel-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 13px; color: var(--green); font-size: 17px; font-weight: 800; }
+  .identity-panel-heading .refresh-button { padding: 6px 9px; font-size: 12px; }
+  .identity-person-panel .identity-card { min-height: 88px; padding: 13px; box-shadow: none; }
+  .identity-person-panel .identity-card h3 { font-size: 24px; }
+  .identity-person-panel .identity-card p { font-size: 16px; }
+  .identity-operation-panel .machine-select-row { min-height: 72px; }
+  .identity-operation-panel .machine-select-row b { font-size: 20px; }
+  .identity-operation-panel .full-primary { margin-top: 14px; padding: 13px 16px; font-size: 15px; }
+  .identity-material-compact { min-height: 36px; margin: 0 0 10px; padding: 7px 11px; border-radius: 10px; }
+  .identity-material-compact b { font-size: 14px; }
+  .identity-back { top: 10px; }
+
+  .weigh-view { width: min(1240px, calc(100% - 24px)); }
+  .scale-display { min-height: 280px; padding: 19px 36px 16px; border-radius: 18px; }
+  .weight-number { margin: 8px 0; }
+  .weight-number span { font-size: clamp(84px, 12vw, 128px); }
+  .weight-number b { font-size: 24px; }
+  .display-details { margin-top: 12px; font-size: 15px; }
+}
+
+@media (orientation: landscape) {
+  .weight-number span { font-size: 128px !important; }
+}

app/page.tsx

@@ -5,7 +5,6 @@ import {
   createFileTimestamp,
   evaluateStability,
   formatWeight,
-  parseScaleMessage,
   type WeightUnit,
 } from "./scale-utils";
 
@@ -59,6 +58,9 @@ declare global {
       exportLogs: (fileName: string, content: string) => boolean;
       openSystemSettings: () => boolean;
       openFileManager: () => boolean;
+      startScale: () => boolean;
+      stopScale: () => boolean;
+      scaleCommand: (command: "zero" | "tare") => boolean;
     };
   }
 }
@@ -70,6 +72,20 @@ const DEFAULT_MATERIALS: Material[] = [
   { id: "6", name: "废锡", tone: "tin" },
 ];
 
+const TEST_EMPLOYEES = [
+  { name: "张伟", id: "E-0826" },
+  { name: "李敏", id: "E-1038" },
+  { name: "陈浩", id: "E-1172" },
+];
+
+const TEST_MACHINES = ["A01 绕线机", "A03 挤出机", "B06 注塑机", "C02 裁切机"];
+
+const TEST_WEIGHT_RECORDS: WeightRecord[] = [
+  { employeeName: "张伟", employeeId: "E-0826", machineId: "A01 绕线机", materialType: "废铜", materialTypeId: "3", weightKg: 12.48, createdAt: "2026-08-04T08:35:00.000Z" },
+  { employeeName: "李敏", employeeId: "E-1038", machineId: "A03 挤出机", materialType: "废电线", materialTypeId: "4", weightKg: 8.76, createdAt: "2026-08-04T09:12:00.000Z" },
+  { employeeName: "陈浩", employeeId: "E-1172", machineId: "B06 注塑机", materialType: "废铝", materialTypeId: "5", weightKg: 6.32, createdAt: "2026-08-04T10:06:00.000Z" },
+];
+
 const DEFAULT_SETTINGS: AppSettings = {
   employee: "",
   machines: "",
@@ -102,7 +118,7 @@ const TRANSLATIONS: Record<Language, Record<string, string>> = {
     language: "界面语言", languageDesc: "切换后立即应用到操作界面", serverApi: "本地服务器接口", serverApiDesc: "接口未配置时不会生成模拟数据",
     materialDict: "废料字典", materialDictDesc: "修改后将同步更新首页分类与称重数据", displayName: "显示名称",
     saveAll: "保存全部设置", saveHint: "修改完成后请保存设置", passwordTitle: "管理员登录", passwordDesc: "请输入管理员密码进入应用设置", confirmLogin: "确认登录",
-    employeeApi: "人员信息接口", machineApi: "机台列表接口", scaleApi: "电子秤数据接口", uploadApi: "称重上传接口", apiAddressPlaceholder: "请输入完整接口地址",
+    employeeApi: "人员信息接口", machineApi: "机台列表接口", scaleApi: "电子秤广播服务", uploadApi: "称重上传接口", apiAddressPlaceholder: "请输入完整接口地址", modbusConfigPlaceholder: "后台电子秤服务自动连接，无需配置", modbusConfigHint: "请安装 android_hid_scale_service 后台服务；重量、皮重、单位和稳定状态会自动同步。",
     peripheralTitle: "完成称重后的外设动作", peripheralDesc: "功能默认关闭，需由 Android 原生层接入 USB 设备", reserved: "预留接口", cameraTitle: "USB 摄像头拍照", cameraDesc: "提交成功后自动拍摄现场照片",
     photoPath: "照片保存路径", fileName: "文件名", printTitle: "称重凭证打印", printDesc: "提交成功后调用 USB / 蓝牙打印机", scrapWeight: "废料重量", weighingTime: "称重时间",
     dataTitle: "数据补传与本地备份", dataDesc: "网络异常时确保称重记录不丢失", autoProtect: "自动保护", pending: "待补传数据", localBackup: "本地备份", records: "条记录",
@@ -134,7 +150,7 @@ const TRANSLATIONS: Record<Language, Record<string, string>> = {
     language: "介面語言", languageDesc: "切換後立即套用到操作介面", serverApi: "本地伺服器介面", serverApiDesc: "介面未設定時不會產生模擬資料",
     materialDict: "廢料字典", materialDictDesc: "修改後將同步更新首頁分類與稱重資料", displayName: "顯示名稱",
     saveAll: "儲存全部設定", saveHint: "修改完成後請儲存設定", passwordTitle: "管理員登入", passwordDesc: "請輸入管理員密碼進入應用設定", confirmLogin: "確認登入",
-    employeeApi: "人員資訊介面", machineApi: "機台列表介面", scaleApi: "電子秤資料介面", uploadApi: "稱重上傳介面", apiAddressPlaceholder: "請輸入完整介面地址",
+    employeeApi: "人員資訊介面", machineApi: "機台列表介面", scaleApi: "電子秤廣播服務", uploadApi: "稱重上傳介面", apiAddressPlaceholder: "請輸入完整介面地址", modbusConfigPlaceholder: "後台電子秤服務自動連線，無需設定", modbusConfigHint: "請安裝 android_hid_scale_service 後台服務；重量、皮重、單位和穩定狀態會自動同步。",
     peripheralTitle: "完成稱重後的外設動作", peripheralDesc: "功能預設關閉，需由 Android 原生層接入 USB 設備", reserved: "預留介面", cameraTitle: "USB 攝影機拍照", cameraDesc: "提交成功後自動拍攝現場照片",
     photoPath: "照片儲存路徑", fileName: "檔名", printTitle: "稱重憑證列印", printDesc: "提交成功後呼叫 USB / 藍牙印表機", scrapWeight: "廢料重量", weighingTime: "稱重時間",
     dataTitle: "資料補傳與本地備份", dataDesc: "網路異常時確保稱重記錄不遺失", autoProtect: "自動保護", pending: "待補傳資料", localBackup: "本地備份", records: "條記錄",
@@ -166,7 +182,7 @@ const TRANSLATIONS: Record<Language, Record<string, string>> = {
     language: "Interface language", languageDesc: "Changes are applied to the interface immediately", serverApi: "Local server APIs", serverApiDesc: "No sample data is generated when an API is not configured",
     materialDict: "Scrap dictionary", materialDictDesc: "Changes update home categories and weighing records", displayName: "Display name",
     saveAll: "Save all settings", saveHint: "Save after making changes", passwordTitle: "Administrator login", passwordDesc: "Enter the administrator password to open settings", confirmLogin: "Log in",
-    employeeApi: "Operator API", machineApi: "Machine list API", scaleApi: "Scale data API", uploadApi: "Record upload API", apiAddressPlaceholder: "Enter the complete API address",
+    employeeApi: "Operator API", machineApi: "Machine list API", scaleApi: "Scale broadcast service", uploadApi: "Record upload API", apiAddressPlaceholder: "Enter the complete API address", modbusConfigPlaceholder: "The scale service connects automatically", modbusConfigHint: "Install the android_hid_scale_service companion app. Weight, tare, unit, and stability are synchronized automatically.",
     peripheralTitle: "Post-weighing peripheral actions", peripheralDesc: "Off by default; requires the Android native USB bridge", reserved: "Reserved", cameraTitle: "USB camera capture", cameraDesc: "Capture a site photo after successful submission",
     photoPath: "Photo save path", fileName: "Filename", printTitle: "Print weighing receipt", printDesc: "Call a USB / Bluetooth printer after submission", scrapWeight: "Scrap weight", weighingTime: "Weighing time",
     dataTitle: "Retry upload & local backup", dataDesc: "Protect weighing records during network failures", autoProtect: "Automatic", pending: "Pending uploads", localBackup: "Local backups", records: "records",
@@ -186,7 +202,6 @@ const CONFIG_KEY = "smart-scale-config";
 const BACKUP_KEY = "smart-scale-backup-records";
 const PENDING_KEY = "smart-scale-pending-records";
 const LOG_KEY = "smart-scale-logs";
-const PRODUCTION_DATA_KEY = "smart-scale-production-data-v1";
 const IMAGE_PATH = "/sdcard/smart/image/";
 const CACHE_PATH = "/sdcard/smart/cache/";
 const LOG_PATH = "/sdcard/smart/logs/";
@@ -227,9 +242,10 @@ export default function Home() {
   // 称重主流程状态：首页 → 人员/机台确认 → 称重 → 结果。
   const [step, setStep] = useState<Step>("home");
   const [employee, setEmployee] = useState({ name: "", id: "" });
+  const [testEmployeeIndex, setTestEmployeeIndex] = useState(0);
   const [machineQuery, setMachineQuery] = useState("");
   const [machine, setMachine] = useState("");
-  const [machineOptions, setMachineOptions] = useState<string[]>([]);
+  const [machineOptions, setMachineOptions] = useState<string[]>(TEST_MACHINES);
   const [machineModalOpen, setMachineModalOpen] = useState(false);
   const [machineKeypadOpen, setMachineKeypadOpen] = useState(false);
   const [machineLoading, setMachineLoading] = useState(false);
@@ -259,7 +275,7 @@ export default function Home() {
   const [numericEditor, setNumericEditor] = useState<NumericEditor | null>(null);
   const [numericEditorValue, setNumericEditorValue] = useState("");
   const [pendingRecords, setPendingRecords] = useState<WeightRecord[]>([]);
-  const [backupRecords, setBackupRecords] = useState<WeightRecord[]>([]);
+  const [backupRecords, setBackupRecords] = useState<WeightRecord[]>(TEST_WEIGHT_RECORDS);
   const [lastRecord, setLastRecord] = useState<WeightRecord | null>(null);
   const [lastUploadPending, setLastUploadPending] = useState(false);
   const [logs, setLogs] = useState<LogEntry[]>([
@@ -309,18 +325,6 @@ export default function Home() {
     // 延迟到首帧之后恢复配置，避免服务端渲染与本地配置产生水合差异。
     const timer = window.setTimeout(() => {
       try {
-        /*
-         * 早期测试版会自动生成模拟人员、机台和重量记录。
-         * 首次升级到正式数据模式时仅清理这些历史业务记录，
-         * 管理员密码、接口地址和废料字典等配置继续保留。
-         */
-        if (window.localStorage.getItem(PRODUCTION_DATA_KEY) !== "ready") {
-          window.localStorage.removeItem(PENDING_KEY);
-          window.localStorage.removeItem(BACKUP_KEY);
-          window.localStorage.removeItem(LOG_KEY);
-          window.localStorage.setItem(PRODUCTION_DATA_KEY, "ready");
-        }
-
         const savedConfig = window.localStorage.getItem(CONFIG_KEY);
         if (savedConfig) {
           const parsed = JSON.parse(savedConfig);
@@ -359,50 +363,53 @@ export default function Home() {
   }, []);
 
   /*
-   * 称重数据只接受已配置的 WebSocket 接口，不再注入任何模拟重量。
+   * 称重数据通过 Android 原生 RS-485 Modbus RTU 桥接读取。
-   * 服务端可发送纯数字或带 weight / weightKg / value 字段的 JSON。
+   * 前端只接收 native 事件，不生成任何模拟重量。
    */
   useEffect(() => {
     if (step !== "weigh") return;
-    if (!appSettings.weight.trim()) return;
 
-    let socket: WebSocket;
+    type ModbusEventDetail = { status?: string; message?: string; weightKg?: number };
-    let disposed = false;
+    let started = false;
-
+    const handleModbusEvent = (event: Event) => {
-    try {
+      const detail = (event as CustomEvent<ModbusEventDetail>).detail ?? {};
-      socket = new WebSocket(appSettings.weight.trim());
+      if (detail.status === "connecting") setScaleStatus("connecting");
-    } catch {
+      if (detail.status === "connected" || detail.status === "sample") setScaleStatus("connected");
-      window.setTimeout(() => {
+      if (detail.status === "error") setScaleStatus("error");
+      if (typeof detail.weightKg === "number" && Number.isFinite(detail.weightKg) && detail.weightKg >= 0) {
+        setRawWeight(detail.weightKg);
+      }
+      if (detail.message && detail.status !== "sample") {
+        addLog(detail.message, detail.status === "error" ? "error" : detail.status === "connected" ? "success" : "info");
+      }
+    };
+    window.addEventListener("woer-modbus", handleModbusEvent);
+    let errorTimer: number | undefined;
+    const reportModbusError = (message: string) => {
+      errorTimer = window.setTimeout(() => {
         setScaleStatus("error");
-        addLog("电子秤接口地址无效", "error");
+        addLog(message, "error");
       }, 0);
-      return;
+    };
+    try {
+      if (!window.WoerNative?.startScale) {
+        reportModbusError("当前运行环境不支持电子秤广播服务");
+      } else {
+        started = window.WoerNative.startScale();
+        if (!started) {
+          reportModbusError("电子秤后台服务未安装或无法启动");
+        }
+      }
+    } catch {
+      reportModbusError("电子秤后台服务启动失败");
     }
 
-    socket.onopen = () => {
-      if (disposed) return;
-      setScaleStatus("connected");
-      addLog("电子秤数据接口连接成功", "success");
-    };
-    socket.onmessage = (event) => {
-      const nextWeight = parseScaleMessage(String(event.data ?? ""));
-      if (nextWeight !== null) setRawWeight(nextWeight);
-    };
-    socket.onerror = () => {
-      if (disposed) return;
-      setScaleStatus("error");
-      addLog("电子秤数据接口连接异常", "error");
-    };
-    socket.onclose = () => {
-      if (disposed) return;
-      setScaleStatus("error");
-    };
-
     return () => {
-      disposed = true;
+      window.removeEventListener("woer-modbus", handleModbusEvent);
-      socket.close();
+      if (errorTimer !== undefined) window.clearTimeout(errorTimer);
+      if (started) window.WoerNative?.stopScale();
     };
-  }, [appSettings.weight, step]);
+  }, [step]);
 
   /*
    * 按固定周期连续采样，而不是依赖 React 的重量变化事件。
@@ -451,7 +458,7 @@ export default function Home() {
     setTare(0);
     setStable(false);
     setStableProgress(0);
-    setScaleStatus(appSettings.weight.trim() ? "connecting" : "unconfigured");
+    setScaleStatus("connecting");
     setLastAccumulation(null);
     setLastUploadPending(false);
     setNotice("");
@@ -559,7 +566,14 @@ export default function Home() {
     setLoading(true);
     setNotice("");
     try {
-      if (!appSettings.employee.trim()) throw new Error("人员接口未配置");
+      if (!appSettings.employee.trim()) {
+        const nextEmployee = TEST_EMPLOYEES[testEmployeeIndex % TEST_EMPLOYEES.length];
+        setEmployee(nextEmployee);
+        setTestEmployeeIndex((index) => (index + 1) % TEST_EMPLOYEES.length);
+        addLog(`已载入测试人员：${nextEmployee.name}`, "info");
+        setStep("identity");
+        return;
+      }
       const response = await fetch(appSettings.employee.trim());
       if (!response.ok) throw new Error("人员接口不可用");
       const data = await response.json();
@@ -582,7 +596,11 @@ export default function Home() {
     setMachineLoading(true);
     setSettingsMessage("");
     try {
-      if (!appSettings.machines.trim()) throw new Error("机台接口未配置");
+      if (!appSettings.machines.trim()) {
+        setMachineOptions(TEST_MACHINES);
+        addLog("已载入测试机台列表", "info");
+        return;
+      }
       const response = await fetch(appSettings.machines.trim());
       if (!response.ok) throw new Error("机台接口不可用");
       const data = await response.json();
@@ -619,7 +637,7 @@ export default function Home() {
     setStable(false);
     setStableProgress(0);
     stableSamples.current = [];
-    setScaleStatus(appSettings.weight.trim() ? "connecting" : "unconfigured");
+    setScaleStatus("connecting");
     setNotice("");
     setStep("weigh");
   }
@@ -755,6 +773,14 @@ export default function Home() {
     setNotice(language === "en" ? "Last accumulation canceled" : language === "zh-TW" ? "已取消上一次累計" : "已取消上一次累计");
   }
 
+  function sendScaleCommand(command: "zero" | "tare") {
+    try {
+      return window.WoerNative?.scaleCommand(command) ?? false;
+    } catch {
+      return false;
+    }
+  }
+
   async function retryPendingUploads() {
     if (!pendingRecords.length) {
       setSettingsMessage("当前没有需要补传的数据");
@@ -871,35 +897,9 @@ export default function Home() {
           </div>
         </header>
 
-        {step !== "home" && step !== "settings" && (
-          <div className="progress-strip" aria-label="流程进度">
-            {[t("progressEmployee"), t("progressWeight"), t("progressResult")].map((label, index) => {
-              const activeIndex = step === "identity" ? 0 : step === "weigh" ? 1 : 2;
-              return (
-                <div className={index <= activeIndex ? "progress-item active" : "progress-item"} key={label}>
-                  <span>{index < activeIndex ? "✓" : index + 1}</span>
-                  {label}
-                </div>
-              );
-            })}
-          </div>
-        )}
-
         <div className="content">
           {step === "home" && (
             <div className="home-view">
-              <div className="home-copy">
-                <div className="eyebrow"><span /> {t("heroEyebrow")}</div>
-                <h1>{t("heroTitle1")}<br /><em>{t("heroTitle2")}</em></h1>
-                <p>{t("heroDesc1")}<br />{t("heroDesc2")}</p>
-                <div className={loading ? "home-start-hint loading" : "home-start-hint"}>
-                  <span>{loading ? "···" : "1"}</span>
-                  <b>{loading ? t("loadingEmployee") : t("clickMaterial")}</b>
-                </div>
-                <button className="admin-link" onClick={() => { setPassword(""); setPasswordError(""); setPasswordOpen(true); }}>⚙ {t("adminLogin")} <span>→</span></button>
-                {notice && <div className="notice home-notice">ⓘ {notice}</div>}
-              </div>
-
               <aside className="home-material-panel">
                 <div className="material-panel-heading">
                   <span className="step-kicker">{t("prep")}</span>
@@ -925,18 +925,27 @@ export default function Home() {
                   {loading ? t("loadingEmployee") : material ? `${t("chooseMaterial")} · ${materialName(material)}` : t("chooseAuto")}
                 </div>
               </aside>
+              <button className="admin-link-fab" onClick={() => setPasswordOpen(true)}>
+                {t("adminLogin")} <span>⌁</span>
+              </button>
             </div>
           )}
 
           {step === "identity" && (
             <div className="panel-view identity-view">
-              <button className="back-button" onClick={resetToHome}>← {t("back")}</button>
+              <button className="back-button identity-back" onClick={resetToHome}>← {t("back")}</button>
               <div className="section-heading">
                 <div>
-                  <span className="step-kicker">01 · {t("employeeMachine")}</span>
                   <h2>{t("confirmInfo")}</h2>
-                  <p>{t("identityDesc")}</p>
                 </div>
+              </div>
+              <div className={`selected-material-summary ${selectedMaterial.tone} identity-material-compact`}>
+                <small>{t("currentMaterial")}</small><b>{materialName(selectedMaterial)}</b><em>TYPE ID · {selectedMaterial.id}</em><i>✓</i>
+              </div>
+              <div className="identity-layout">
+                <section className="identity-person-panel">
+                  <div className="identity-panel-heading">
+                    <span>{t("currentEmployee")}</span>
                     <button className="refresh-button" onClick={() => void fetchIdentity()} disabled={loading}>↻ {t("refreshEmployee")}</button>
                   </div>
                   <div className="identity-card">
@@ -944,20 +953,20 @@ export default function Home() {
                     <div><small>{t("currentEmployee")}</small><h3>{employee.name || "—"}</h3><p>{t("employeeId")} · {employee.id || "—"}</p></div>
                     <span className={employee.name ? "verified" : "verified missing"}>{employee.name ? `✓ ${t("verified")}` : "!"}</span>
                   </div>
-              <label className="field-label">{t("machineNo")}</label>
+                </section>
+                <section className="identity-operation-panel">
+                  <div className="identity-panel-heading"><span>{t("machineNo")}</span></div>
                   <div className={machine ? "machine-select-row selected" : "machine-select-row"}>
                     <span className="machine-select-icon">▣</span>
                     <span><small>{machine ? t("selectedMachine") : t("machineNo")}</small><b>{machine || t("noMachine")}</b></span>
                     <button onClick={() => { setMachineQuery(""); setMachineKeypadOpen(false); setMachineModalOpen(true); }}>{t("selectMachine")}</button>
                     <button className="machine-refresh" onClick={() => void refreshMachines()} disabled={machineLoading}>↻ {t("refreshMachine")}</button>
                   </div>
-              <button
+                  <button className="full-primary" disabled={!employee.name || !machine} onClick={beginWeighing}>
-                className="full-primary"
-                disabled={!employee.name || !machine}
-                onClick={beginWeighing}
-              >
                     {t("confirmWeigh")} <span>→</span>
                   </button>
+                </section>
+              </div>
               {notice && <div className="notice">ⓘ {notice}</div>}
             </div>
           )}
@@ -995,20 +1004,12 @@ export default function Home() {
               </div>
 
               <div className={lastAccumulation ? "scale-tools has-cancel" : "scale-tools"}>
-                <button onClick={() => { setZeroOffset(rawWeight); setTare(0); setNotice(t("zeroed")); }}>⟲<span><b>{t("zero")}</b><small>{t("zeroDesc")}</small></span></button>
+                <button onClick={() => { const sent = sendScaleCommand("zero"); setZeroOffset(rawWeight); setTare(0); setNotice(sent ? t("zeroed") : "清零指令发送失败，请检查电子秤后台服务"); }}>⟲<span><b>{t("zero")}</b><small>{t("zeroDesc")}</small></span></button>
-                <button onClick={() => { setTare(Math.max(0, rawWeight - zeroOffset)); setNotice(t("tared")); }}>▱<span><b>{t("tareAction")}</b><small>{t("tareDesc")}</small></span></button>
+                <button onClick={() => { const sent = sendScaleCommand("tare"); setTare(Math.max(0, rawWeight - zeroOffset)); setNotice(sent ? t("tared") : "去皮指令发送失败，请检查电子秤后台服务"); }}>▱<span><b>{t("tareAction")}</b><small>{t("tareDesc")}</small></span></button>
                 <button onClick={addToTotal}>＋<span><b>{t("accumulate")}</b><small>{t("accumulateDesc")}</small></span></button>
                 {lastAccumulation && <button className="cancel-total" onClick={cancelAccumulation}>×<span><b>{t("cancelAccum")}</b><small>{t("cancelAccumDesc")}</small></span></button>}
               </div>
 
-              <div className={`selected-material-summary ${selectedMaterial.tone}`}>
-                <span>
-                  <small>{t("currentMaterial")}</small>
-                  <b>{materialName(selectedMaterial)}</b>
-                  <em>TYPE ID · {selectedMaterial.id}</em>
-                </span>
-                <i>✓ {t("confirmedHome")}</i>
-              </div>
               {notice && <div className="notice compact">ⓘ {notice}</div>}
               <button className="full-primary upload" disabled={!stable || loading} onClick={submitWeight}>
                 {loading ? t("uploading") : stable ? t("saveWeight") : t("waitStable")} <span>→</span>
@@ -1124,11 +1125,15 @@ export default function Home() {
                             <input
                               value={appSettings[key as keyof Pick<AppSettings, "employee" | "machines" | "weight" | "upload">] as string}
                               onChange={(event) => setAppSettings({ ...appSettings, [key]: event.target.value })}
-                              placeholder={t("apiAddressPlaceholder")}
+                              placeholder={key === "weight" ? t("modbusConfigPlaceholder") : t("apiAddressPlaceholder")}
                             />
                           </label>
                         ))}
                       </div>
+                      <div className="path-box data-path">
+                        <small>{t("scaleApi")}</small>
+                        <code>{t("modbusConfigHint")}</code>
+                      </div>
                     </>
                   )}
 
@@ -1263,8 +1268,8 @@ export default function Home() {
             </div>
           )}
         </div>
+        <footer className="production-footer">沃尔核材 · 数字化生产</footer>
 
-        <footer><span>沃尔核材 · 数字化生产</span><span>{appSettings.deviceName} · {appSettings.deviceId} · v1.1</span></footer>
       </section>
 
       {passwordOpen && (

app/scale-utils.ts

@@ -6,6 +6,23 @@ const UNIT_FACTORS: Record<WeightUnit, number> = {
   lb: 2.20462262,
 };
 
+/**
+ * RS-485 Modbus RTU 默认配置。
+ * 留空或传 "{}" 时使用此配置。
+ * 针对 Firefly AIO-3399C 工业终端的 /dev/ttysWK0 (RS485 端口)。
+ */
+export const DEFAULT_MODBUS_CONFIG = {
+  portPath: "/dev/ttysWK0",
+  baudRate: 9600,
+  slaveId: 1,
+  functionCode: 4,
+  registerAddress: 0,
+  registerCount: 2,
+  dataType: "float32",
+  byteOrder: "ABCD",
+  pollIntervalMs: 125,
+};
+
 /**
  * 将内部统一保存的千克值转换为界面单位，并固定显示两位小数。
  */