gclib  2.0.8
Communications API for Galil controllers and PLCs
ip_assigner_example.cpp
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1 
9 #include "examples.h"
10 
11 #include <iostream> //std::cout
12 using namespace std;
13 
15 
19 int main(int argc, char * argv[])
20 {
21  GReturn rc = GALIL_EXAMPLE_OK;
22  char buf[G_SMALL_BUFFER];
23 
24  try
25  {
26  if (argc != 3) //Invalid number of arguments
27  {
28  cerr << "Incorrect number of arguments provided\n";
29  cerr << "Usage: ipassigner_example.exe <SERIAL #> <1 Byte Address>\n";
30  pause();
31  return GALIL_EXAMPLE_ERROR;
32  }
33  else
34  {
35  char* serial_num = argv[1];
36 
37  //Retrieve address from the command line and convert to int
38  char* end;
39  int address = strtol(argv[2], &end, 10);
40  if (*end != '\0' || address < 0 || address > 255) //If invalid address
41  {
42  cerr << "Please enter a number between 0 and 255 for the address."
43  " This will be used as the last number in the IP Address\n"
44  "Usage: ipassigner_example.exe <SERIAL #> <1 Byte Address>\n";
45  return GALIL_EXAMPLE_ERROR;
46  }
47  //Assigns controller an IP Adress given a serial number and a 1 byte address
48  rc = ip_assigner(serial_num, address);
49  }
50  }
51  catch (GReturn gr)
52  {
53  error(nullptr, gr); //see examples.h for error handling
54  pause();
55  return GALIL_EXAMPLE_ERROR;
56  }
57 
58  pause();
59  return GALIL_EXAMPLE_OK;
60 }
int GReturn
Every function returns a value of type GReturn. See gclib_errors.h for possible values.
Definition: gclib.h:93
#define G_SMALL_BUFFER
Most reads from Galil are small. This value will easily hold most, e.g. TH, TZ, etc.
Definition: gclib.h:89
int main(int argc, char *argv[])
Main function for Commands Example.
GReturn ip_assigner(char *serial_num, int address)
Assigns controller an IP Adress given a serial number and a 1 byte address.
Definition: ip_assigner.cpp:26
void error(GCon g, GReturn rc)
An example of error handling and debugging information.
Definition: examples.h:40
int pause()
Pauses console apps for a user key stroke.
Definition: examples.h:62