修改部分显示BUG，异常释放

Modbus_communication/Modbus_TCP/Modbus_TCP_log.txt

@@ -64,3 +64,87 @@
 2020-9-8 14:55:47 Recv:00 00 00 00 00 FD 09 01 FB 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
 2020-9-8 14:56:20 Send:00 00 00 00 00 06 09 01 00 00 07 B0 
 2020-9-8 14:56:23 Recv:00 00 00 00 00 F9 09 01 F7 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
+2020-9-9 10:8:59 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 10:8:59 Recv:00 00 00 00 00 04 01 01 01 00 
+2020-9-9 10:9:49 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 10:9:49 Recv:00 00 00 00 00 04 01 01 01 00 
+2020-9-9 10:11:35 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 10:11:35 Recv:00 00 00 00 00 04 01 01 01 00 
+2020-9-9 10:11:43 Send:00 00 00 00 00 06 01 01 00 00 07 D0 
+2020-9-9 10:11:43 Recv:00 00 00 00 00 FD 01 01 FA 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
+2020-9-9 10:12:22 Send:00 00 00 00 00 06 01 01 00 00 07 D0 
+2020-9-9 10:12:22 Recv:00 00 00 00 00 FD 01 01 FA 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80 
+2020-9-9 10:13:29 Send:00 00 00 00 00 06 01 01 00 7D 00 09 
+2020-9-9 10:13:29 Recv:00 00 00 00 00 05 01 01 02 00 00 
+2020-9-9 10:30:52 Send:00 00 00 00 00 06 01 01 00 00 00 09 
+2020-9-9 10:30:52 Recv:00 00 00 00 00 05 01 01 02 00 00 
+2020-9-9 10:32:36 Send:00 00 00 00 00 06 01 01 00 00 07 D0 
+2020-9-9 10:32:36 Recv:00 00 00 00 00 FD 01 01 FA 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80 
+2020-9-9 10:56:40 Send:00 00 00 00 00 06 01 01 00 00 00 0A 
+2020-9-9 10:56:40 Recv:00 00 00 00 00 05 01 01 02 00 00 
+2020-9-9 10:57:6 Send:00 00 00 00 00 06 01 01 00 00 07 D0 
+2020-9-9 10:57:6 Recv:00 00 00 00 00 FD 01 01 FA 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80 
+2020-9-9 10:57:39 Send:00 00 00 00 00 06 01 01 00 00 00 64 
+2020-9-9 10:57:39 Recv:00 00 00 00 00 10 01 01 0D 00 00 00 00 00 00 00 00 00 00 00 00 00 
+2020-9-9 10:59:7 Send:00 00 00 00 00 06 01 03 00 00 00 01 
+2020-9-9 10:59:7 Recv:00 00 00 00 00 03 01 83 01 
+2020-9-9 11:0:3 Send:00 00 00 00 00 06 01 03 00 00 00 01 
+2020-9-9 11:0:3 Recv:00 00 00 00 00 03 01 83 01 
+2020-9-9 11:7:58 Send:00 00 00 00 00 07 01 0F 00 00 00 01 00 01 
+2020-9-9 11:7:58 Recv:00 00 00 00 00 03 01 8F 03 
+2020-9-9 11:9:39 Send:00 00 00 00 00 07 01 0F 00 00 00 01 01 01 
+2020-9-9 11:9:39 Recv:00 00 00 00 00 06 01 0F 00 00 00 01 
+2020-9-9 11:10:33 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 11:11:12 Send:00 00 00 00 00 07 01 0F 00 00 00 02 01 03 
+2020-9-9 11:14:50 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 11:14:55 Recv:00 00 00 00 00 04 01 01 01 00 
+2020-9-9 11:15:9 Send:00 00 00 00 00 07 01 0F 00 00 00 01 01 01 
+2020-9-9 11:15:12 Recv:00 00 00 00 00 06 01 0F 00 00 00 01 
+2020-9-9 11:15:20 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 11:16:10 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 11:16:38 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 11:16:39 Recv:00 00 00 00 00 04 01 01 01 00 
+2020-9-9 11:16:51 Send:00 00 00 00 00 07 01 0F 00 00 00 01 01 01 
+2020-9-9 11:16:52 Recv:00 00 00 00 00 06 01 0F 00 00 00 01 
+2020-9-9 11:17:2 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 11:17:50 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 13:3:25 Send:00 00 00 00 00 06 01 01 00 00 00 C8 
+2020-9-9 13:5:44 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 13:6:15 Recv:31 31 
+2020-9-9 13:6:33 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 13:14:6 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 13:52:49 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 13:53:28 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 13:55:15 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 13:56:4 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 13:57:32 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 13:57:54 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 14:8:1 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 14:9:34 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 14:11:36 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 14:12:13 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 14:14:56 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 14:15:39 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 14:17:5 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 14:17:16 Send:00 00 00 00 00 06 01 01 00 01 00 01 
+2020-9-9 14:17:48 Send:00 00 00 00 00 06 01 01 00 01 00 01 
+2020-9-9 14:21:43 Send:00 00 00 00 00 06 01 01 00 00 07 D0 
+2020-9-9 14:21:43 Recv:00 00 00 00 00 FD 01 01 FA 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 EE 
+2020-9-9 14:23:16 Send:00 00 00 00 00 06 01 01 00 00 07 D0 
+2020-9-9 14:23:16 Recv:00 00 00 00 00 FD 01 01 FA 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FF 
+2020-9-9 14:24:1 Send:00 00 00 00 00 07 01 0F 00 00 00 01 01 01 
+2020-9-9 14:24:1 Recv:00 00 00 00 00 06 01 0F 00 00 00 01 
+2020-9-9 14:24:12 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 14:24:22 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 14:25:22 Send:00 00 00 00 00 06 01 01 00 00 07 D0 
+2020-9-9 14:25:36 Recv:00 00 00 00 00 FD 01 01 FA 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FF 
+2020-9-9 14:25:45 Send:00 00 00 00 00 07 01 0F 00 00 00 01 01 01 
+2020-9-9 14:25:47 Recv:00 00 00 00 00 06 01 0F 00 00 00 01 
+2020-9-9 14:25:56 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 14:26:17 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 14:31:4 Send:00 00 00 00 00 06 01 01 00 00 00 C8 
+2020-9-9 14:31:4 Recv:00 00 00 00 00 1C 01 01 19 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
+2020-9-9 14:31:17 Send:00 00 00 00 00 07 01 0F 00 00 00 01 01 01 
+2020-9-9 14:31:17 Recv:00 00 00 00 00 06 01 0F 00 00 00 01 
+2020-9-9 14:31:22 Send:00 00 00 00 00 06 01 01 00 00 00 01 
+2020-9-9 14:31:29 Send:00 00 00 00 00 06 01 01 00 00 00 01 

Modbus_communication/Modbus_TCP/TCP_client.cpp

@@ -76,7 +76,7 @@ void Input_IP(string& IP, unsigned int *Port_number)
 			cout << "请重新输入从站端口号：";
 		cin >> *Port_number;
 		i = 0;
-	} while (*Port_number == 0 || *Port_number > 65535); //端口不能为0 ，端口号范围0---65535
+	} while (*Port_number == 0 || *Port_number > 65535); //端口不能为0 ，端口号范围1---65535
 
 }
 
@@ -102,42 +102,52 @@ SOCKET Init_client(string IP, unsigned int Port_number)
 	}
 	cout << "连接TCP从站成功" << endl;
 	TIMEVAL timeout;
-	timeout.tv_sec = 20000;  //ms
+	timeout.tv_sec = 200;  //ms
 	timeout.tv_usec = 0;  //us
 	setsockopt(ClientSocket, SOL_SOCKET, SO_RCVTIMEO, (char *)&timeout, sizeof(struct timeval));//设置接收超时时间
 	return ClientSocket;
 }
 
 /*********************************************************************************************
-* 功能    ：	清除接收缓冲区中的数据
-* 描述	  ：	每一次发送请求前清空缓存区数据
+* 功能    ：	清除接收缓冲区中的数据和异常连接状态检测
+* 描述	  ：	每一次发送请求前清空缓存区数据，检测当前套接字连接状态
 * 输入    ：    ClientSocket 客户端套接字
-* 输出    ：    无
+* 输出    ：    true 连接正常 false 连接异常
 *********************************************************************************************/
-void Clear_recv_buf(SOCKET clientSocket)
+bool Clear_recv_buf(SOCKET clientSocket)
 {
-	struct timeval tmOut;
-	tmOut.tv_sec = 0;
-	tmOut.tv_usec = 0;
-	fd_set  fds;
-	int nRet;
-	char tmp[2];
+	TIMEVAL timeout;
+	timeout.tv_sec = 0;
+	timeout.tv_usec = 0;
+	fd_set  reads;
+	char tmp[100];
 	memset(tmp, 0, sizeof(tmp));
 	while (1)
 	{
-		FD_ZERO(&fds);
-		FD_SET(clientSocket, &fds);
-		nRet = select(FD_SETSIZE, &fds, NULL, NULL, &tmOut);
-		if (nRet == 0)
-			break;
-		recv(clientSocket, tmp, 1, 0);
+		FD_ZERO(&reads);
+		FD_SET(clientSocket, &reads);
+		
+		int len = recv(clientSocket, tmp, 50, 0);
+		int a = select(0, &reads, 0, 0, &timeout);
+		if ( a == 1 && len == 0)
+			return false;
+		if ( a == 1&& len == (-1))
+			return false;
+		if ( a == 0 && len == (-1))
+			return true;
 	}
 }
 
+/*********************************************************************************************
+* 功能    ：	打印读取从站的线圈状态
+* 描述	  ：	对响应报文中的数据进行解析和显示
+* 输入    ：    Response_Message 响应报文  Request_Message 请求报文
+* 输出    ：    无
+*********************************************************************************************/
 void Printf_Coil_date(UINT8 *Response_Message, UINT8 *Request_Message)
 {
 	printf("从站设备ID %02X 功能码为 %02X\n", Response_Message[6], Response_Message[7]);
-	unsigned int temp1 = ((Request_Message[8] << 8) | Request_Message[9])+1;
+	unsigned int temp1 = ((Request_Message[8] << 8) | Request_Message[9]);
 	unsigned int Number = ((Request_Message[10] << 8) | Request_Message[11]);
 	printf("线圈起始地址为%d \n",temp1);
 	unsigned int temp = temp1;
@@ -146,11 +156,17 @@ void Printf_Coil_date(UINT8 *Response_Message, UINT8 *Request_Message)
 		unsigned int temp2 = temp + 7;
 		if (temp2 > temp1 + Number - 1)
 			temp2 = temp1 + Number - 1;
-		printf("线圈第%d --- %d的状态为：%02X \n", temp2, temp, Response_Message[9+i]);
+		printf("线圈%d --- %d的状态为：%02X \n", temp2, temp, Response_Message[9+i]);
 		temp = temp + 8;
 	}
 }
 
+/*********************************************************************************************
+* 功能    ：	打印读取从站的寄存器状态
+* 描述	  ：	对响应报文中的数据进行解析和显示
+* 输入    ：    Response_Message 响应报文  Request_Message 请求报文
+* 输出    ：    无
+*********************************************************************************************/
 void Printf_Register_date(UINT8 *Response_Message, UINT8 *Request_Message)
 {
 	printf("从站设备ID %02X 功能码为 %02X\n", Response_Message[6], Response_Message[7]);
@@ -161,25 +177,34 @@ void Printf_Register_date(UINT8 *Response_Message, UINT8 *Request_Message)
 	{
 		printf("寄存器第%d的值为：%02X %02X \n", temp1++, Response_Message[9 + i], Response_Message[10+i]);
 	}
-
 }
+
+/*********************************************************************************************
+* 功能    ：	打印读取异常响应报文信息
+* 描述	  ：	对响应报文中的数据进行解析和显示
+* 输入    ：    Response_Message 响应报文
+* 输出    ：    无
+*********************************************************************************************/
 void Printf_Anomaly_date(UINT8 *Response_Message)
 {
 	UINT8 a = Response_Message[8];
 	printf("从站设备ID %02X 功能码为 %02X\n", Response_Message[6], Response_Message[7]);
 	switch (a)
 	{
-	case 0x01:	printf("%02X : 从站设备不支持此功能码",a); break;
-	case 0x02:	printf("%02X : 指定的数据地址在从站设备中不存在",a); break;
-	case 0x03:	printf("%02X : 指定的数据超过范围或者不允许使用",a); break;
-	case 0x04:	printf("%02X : 从站设备处理响应的过程中，出现未知错误等",a); break;
-	default:	printf("Unkown Other Error!!!!!");
+	case 0x01:	printf("%02X : 从站设备不支持此功能码\n",a); break;
+	case 0x02:	printf("%02X : 指定的数据地址在从站设备中不存在\n",a); break;
+	case 0x03:	printf("%02X : 指定的数据超过范围或者不允许使用\n",a); break;
+	case 0x04:	printf("%02X : 从站设备处理响应的过程中，出现未知错误等\n",a); break;
+	default:	printf("Unkown Other Error!!!!!\n");
 	}
 }
 
-
-
-
+/*********************************************************************************************
+* 功能    ：	判断响应报文是否可以正常解析
+* 描述	  ：	通过长度和异常码等判定该响应报文是否可以解析
+* 输入    ：    Response_Message 响应报文 Request_Message请求报文  Response_Message_len 响应报文长度
+* 输出    ：    true可以正常解析 false 无法解析
+*********************************************************************************************/
 bool Analysis_Response_Message(UINT8 *Response_Message, UINT8 *Request_Message, int Response_Message_len)
 {
 	if (Response_Message[7] == Request_Message[7] + 0x80 && Response_Message_len == 9)//先处理异常响应
@@ -217,8 +242,8 @@ bool Tcp_client(string IP, unsigned int Port_number)
 		cout << "初始化主站失败" << endl;
 		return false;
 	}
-	UINT8 Request_Message[260];
-	UINT8 Response_Message[260];
+	UINT8 Request_Message[300];
+	UINT8 Response_Message[300];
 	while (true)
 	{
 
@@ -234,9 +259,23 @@ bool Tcp_client(string IP, unsigned int Port_number)
 		}
 		printf("\n");
 		Log_Note(Request_Message, 1, Request_Message_len);
-		Clear_recv_buf(ClientSocket);
-		send(ClientSocket, (char*)Request_Message, Request_Message_len, 0);
-		memset(Response_Message, 0, 260);
+
+		if (Clear_recv_buf(ClientSocket) == false)
+		{
+			printf("连接异常，请检查连接状态。\n");
+			printf("**************************** Press Enter To Close ****************************\n");
+			getchar();
+			break;
+		}
+		int test = send(ClientSocket, (char*)Request_Message, Request_Message_len, 0);
+		if (test == (-1))
+		{
+			printf("连接异常，请检查连接状态。\n");
+			printf("**************************** Press Enter To Close ****************************\n");
+			getchar();
+			break;
+		}
+		memset(Response_Message, 0, 300);
 		int Response_Message_len = recv(ClientSocket, (char*)Response_Message, 260, 0);
 		if (Response_Message_len > 0)
 		{
@@ -244,14 +283,17 @@ bool Tcp_client(string IP, unsigned int Port_number)
 			printf("从站响应 ：");
 			for (int i = 0; i < Response_Message_len; i++)
 			{
-				printf("0x%02x, ", Response_Message[i]);
+				printf("%02x  ", Response_Message[i]);
 			}
 			printf("\n");
-			if (Analysis_Response_Message(Response_Message, Request_Message, Response_Message_len))
+			if (!Analysis_Response_Message(Response_Message, Request_Message, Response_Message_len))
 				printf("响应报文异常\n\n");
 		}
 		else
 			cout << "响应超时" << endl;
+		printf("**************************** Press Enter To Contioun ****************************\n");
+		getchar();
+		system("cls");
 	}
 	//关闭套接字
 	closesocket(ClientSocket);

Modbus_communication/Modbus_TCP/common.cpp

@@ -156,7 +156,7 @@ unsigned int Count_Write_date_number(int Function_code, unsigned int Operations_
 	}
 	if (Function_code == 0x10)
 		Write_date_number = Operations_Number * 2;
-	return Write_date_number +1;
+	return Write_date_number;
 }
 
 /*********************************************************************************************
@@ -229,7 +229,7 @@ int HexStringtoByte(UINT8 *Message, string Write_date, int Message_len, int Func
 {
 	if (Write_date.length() == 0)
 		return Message_len;
-	Message[Message_len] = Count_Write_date_number(Function_code, Operations_Number)-1;
+	Message[Message_len] = Count_Write_date_number(Function_code, Operations_Number);
 	Message_len++;
 	const char *b = Write_date.c_str();
 	for (unsigned int i = 0; i + 3 < Write_date.length(); i = i + 3)

Modbus_communication/Modbus_TCP/common.h

@@ -11,7 +11,7 @@
 #pragma comment(lib,"ws2_32.lib")
 using namespace std;
 
-#define DEVICE_ID 0x09   //�구ID
+#define DEVICE_ID 0x01   //�구ID