Differences

This shows you the differences between two versions of the page.

--- sdk:dio2modbustcp [2015/05/12 09:57] – fachet
+++ sdk:dio2modbustcp [2015/05/13 14:28] – fachet
@@ Line 3: / Line 3: @@
 /* DESC: This script can be used to access to the digital I/Os via Modbus TCP
  * Copyright (C) 2015 NetModule AG, Switzerland
- * supports Read Coil Status (FC01), Read Input Status (FC02) and Force Single Coil (FC05)
+ *
+ *   Commands:
+ *     Read Coil Status (FC01)
+ *     Read Input Status (FC02)
+ *     Read Input Register (FC04)
+ *     Force Single Coil (FC05)
+ *     Write Multiple Coils (FC15)
+ *
  *   Mapping:
  *     Coil status(digital I/O): 1=out1, 2=out2
  *     Input satus(digital In): 1=in1, 2=in2
  *     Input register : 1=temperature 2=mobile 1 rsrp
+ *
  */
@@ Line 33: / Line 41: @@
     break;
     }
-    return ret;
+  return ret;
 }
@@ Line 84: / Line 92: @@
         continue; // error
       break;
-    case 15:
+    case 15: // write to multiple coils
       addr = r[8]<<8 + r[9];
       cnt = r[10]<<8 + r[11];
@@ Line 98: / Line 106: @@
     case 5: // write to a single coil
     case 4: // read input register
-    case 15: // write to multiple coil
+    case 15: // write to multiple coils
       syst = nb_status("system");
       wwan = nb_status("wwan");