修改增加modbus_tools软件通讯中断重连机制

modbus/modbus_tools/modbusConnect.ini

@@ -1,5 +1,5 @@
 [MODBUS_SLAVE]
-SLAVE_IP_ADDR=192.168.50.155
+SLAVE_IP_ADDR=192.168.1.16
 SLAVE_IP_PORT=502
 
 

modbus/modbus_tools/ysp_modbus_master.cpp

@@ -92,19 +92,27 @@ DWORD WINAPI xModbus_master_Proc(LPVOID lp) {
 	}
 
 	modbus_set_response_timeout(ctx, 20, 0);
+	while (1) {
+		if (sockt <= 0)
+		{
 			sockt = modbus_connect(ctx);
 			if (sockt == -1) {
 				fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
-		modbus_free(ctx);
+				//modbus_free(ctx);
-		return -1;
+				Sleep(1);
+				continue;
+			}
+			else
+			{
+				printf("Connection Success! socket=%d\n", sockt);
+			}
 		}
 
 		unsigned char* src = (unsigned char*)tab_rp_registers;
-	while (1)
+
-	{
+#if 1
-#if 0
+		if (sockt <= 0)
-		if (sockt < 0)
+			continue;
-			return -1;
 		FD_ZERO(&fdset_ro);
 		FD_ZERO(&fdset_wr);
 		FD_ZERO(&fdset_ex);
@@ -124,18 +132,25 @@ DWORD WINAPI xModbus_master_Proc(LPVOID lp) {
 			sockt = -1;
 			break;
 		}
-		if (FD_ISSET(sockt, &fdset_ro))
+		if (FD_ISSET(sockt, &fdset_wr)) {
 #endif
 			rc = modbus_read_registers(ctx, start_hold_register, number_regs, tab_rp_registers);
-#if 0
+#if 1
 			if (rc == -1)
 			{
 				closesocket(sockt);
 				sockt = -1;
 				printf("End Thread£¡\n");
-			return -1;
+				continue;
 			}
 #endif
+		}
+		else
+		{
+			Sleep(1000);
+			continue;
+		}
+
 		Sleep(3 * 1000);
 		//xUnsigned_char_hex_out("recv", src, 0, number_regs*2);
 		xRead_reg_hex_out(start_hold_register, "master recv", src, 0, number_regs * 2);