1 换了新程序后 写时间 失效问题测试

zhmes-agecal-system/src/main/java/com/zehong/system/modbus/util/Modbus4jUtils.java

@@ -650,6 +650,60 @@ public class Modbus4jUtils {
         log.info("写入成功，响应确认");
         return true;
     }
+
+    /**
+     * 使用功能码16写入多个保持寄存器（更稳定，支持批量）
+     */
+    public static boolean writeRegistersMultiple(ModbusMaster master, int slaveId,
+                                                 int startOffset, short[] values)
+            throws ModbusTransportException, ModbusInitException {
+
+        log.info("发送批量写入请求：从站={}, 起始地址={}, 数量={}, 值={}",
+                slaveId, startOffset, values.length, Arrays.toString(values));
+
+        WriteRegistersRequest request = new WriteRegistersRequest(slaveId, startOffset, values);
+        WriteRegistersResponse response = null;
+
+        synchronized (master) {
+            response = (WriteRegistersResponse) master.send(request);
+        }
+
+        if (response == null) {
+            log.error("未收到 Modbus 响应");
+            return false;
+        }
+
+        if (response.isException()) {
+            log.error("Modbus 异常响应: {}", response.getExceptionMessage());
+            return false;
+        }
+
+        log.info("批量写入成功，起始地址={}, 写入数量={}", startOffset, values.length);
+        return true;
+    }
+
+    /**
+     * 写入时间（使用功能码16一次性写入所有时间寄存器）
+     */
+    public static boolean writeTimeRegisters(ModbusMaster master, int deviceId) {
+        try {
+            Calendar cal = Calendar.getInstance();
+            short[] timeValues = {
+                    (short) cal.get(Calendar.YEAR),
+                    (short) (cal.get(Calendar.MONTH) + 1),
+                    (short) cal.get(Calendar.DATE),
+                    (short) cal.get(Calendar.HOUR_OF_DAY),
+                    (short) cal.get(Calendar.MINUTE)
+            };
+
+            // 一次性写入所有时间寄存器
+            return writeRegistersMultiple(master, deviceId, 4, timeValues);
+
+        } catch (Exception e) {
+            log.error("批量写入时间失败", e);
+            return false;
+        }
+    }
     /***
      * 写[03 Holding Register(4x)] 写一个 function ID = 6
      *
@@ -796,7 +850,8 @@ public class Modbus4jUtils {
         try {
             // 读取 第1个 pcba 板子的数据
             modbusMaster = createModbusMaster("192.168.2.1", 501);
-            writeCurrentTimeToDeviceEnhanced(modbusMaster, 1);
+//            writeCurrentTimeToDeviceEnhanced(modbusMaster, 1);
+            writeTimeRegisters(modbusMaster, 1);
         } catch (Exception e) {
             e.printStackTrace();
         } finally {
@@ -957,7 +1012,6 @@ public class Modbus4jUtils {
             allSuccess &= writeAndVerifyField(master, deviceId, 5, (short) month, "月份", month);
             Thread.sleep(200);
 
-            // 写入并验证日期
             allSuccess &= writeAndVerifyField(master, deviceId, 6, (short) day, "日期", day);
             Thread.sleep(200);