libmbus/bin/mbus-serial-scan-secondary.c

186 lines
4.6 KiB
C
Executable File

//------------------------------------------------------------------------------
// Copyright (C) 2011, Robert Johansson, Raditex AB
// All rights reserved.
//
// rSCADA
// http://www.rSCADA.se
// info@rscada.se
//
//------------------------------------------------------------------------------
#include <string.h>
#include <stdio.h>
#include <mbus/mbus.h>
static int debug = 0;
//
// init slave to get really the beginning of the records
//
int
init_slaves(mbus_handle *handle)
{
if (debug)
printf("%s: debug: sending init frame #1\n", __PRETTY_FUNCTION__);
if (mbus_send_ping_frame(handle, MBUS_ADDRESS_NETWORK_LAYER, 1) == -1)
{
return 0;
}
//
// resend SND_NKE, maybe the first get lost
//
if (debug)
printf("%s: debug: sending init frame #2\n", __PRETTY_FUNCTION__);
if (mbus_send_ping_frame(handle, MBUS_ADDRESS_BROADCAST_NOREPLY, 1) == -1)
{
return 0;
}
return 1;
}
//------------------------------------------------------------------------------
// Scan for devices using secondary addressing.
//------------------------------------------------------------------------------
int
main(int argc, char **argv)
{
char *device, *addr_mask = NULL;
long baudrate = 9600;
mbus_handle *handle = NULL;
mbus_frame *frame = NULL, reply;
memset((void *)&reply, 0, sizeof(mbus_frame));
if (argc == 2)
{
device = argv[1];
addr_mask = strdup("FFFFFFFFFFFFFFFF");
}
else if (argc == 3 && strcmp(argv[1], "-d") == 0)
{
device = argv[2];
addr_mask = strdup("FFFFFFFFFFFFFFFF");
debug = 1;
}
else if (argc == 3)
{
device = argv[1];
addr_mask = strdup(argv[2]);
}
else if (argc == 4 && strcmp(argv[1], "-d") == 0)
{
device = argv[2];
addr_mask = strdup(argv[3]);
debug = 1;
}
else if (argc == 4 && strcmp(argv[1], "-b") == 0)
{
baudrate = atol(argv[2]);
device = argv[3];
addr_mask = strdup("FFFFFFFFFFFFFFFF");
}
else if (argc == 5 && strcmp(argv[1], "-d") == 0 && strcmp(argv[2], "-b") == 0)
{
baudrate = atol(argv[3]);
device = argv[4];
addr_mask = strdup("FFFFFFFFFFFFFFFF");
debug = 1;
}
else if (argc == 5 && strcmp(argv[1], "-b") == 0)
{
baudrate = atol(argv[2]);
device = argv[3];
addr_mask = strdup(argv[4]);
}
else if (argc == 6 && strcmp(argv[1], "-d") == 0)
{
baudrate = atol(argv[3]);
device = argv[4];
addr_mask = strdup(argv[5]);
debug = 1;
}
else
{
fprintf(stderr, "usage: %s [-d] [-b BAUDRATE] device [address-mask]\n", argv[0]);
fprintf(stderr, "\toptional flag -d for debug printout\n");
fprintf(stderr, "\toptional flag -b for selecting baudrate\n");
fprintf(stderr, "\trestrict the search by supplying an optional address mask on the form\n");
fprintf(stderr, "\t'FFFFFFFFFFFFFFFF' where F is a wildcard character\n");
return 0;
}
if (addr_mask == NULL)
{
fprintf(stderr, "Failed to allocate address mask.\n");
return 1;
}
if (mbus_is_secondary_address(addr_mask) == 0)
{
fprintf(stderr, "Misformatted secondary address mask. Must be 16 character HEX number.\n");
free(addr_mask);
return 1;
}
if ((handle = mbus_context_serial(device)) == NULL)
{
fprintf(stderr, "Could not initialize M-Bus context: %s\n", mbus_error_str());
free(addr_mask);
return 1;
}
if (debug)
{
mbus_register_send_event(handle, &mbus_dump_send_event);
mbus_register_recv_event(handle, &mbus_dump_recv_event);
}
if (mbus_connect(handle) == -1)
{
fprintf(stderr,"Failed to setup connection to M-bus gateway\n");
free(addr_mask);
return 1;
}
if (mbus_serial_set_baudrate(handle, baudrate) == -1)
{
fprintf(stderr, "Failed to set baud rate.\n");
free(addr_mask);
return 1;
}
frame = mbus_frame_new(MBUS_FRAME_TYPE_SHORT);
if (frame == NULL)
{
fprintf(stderr, "Failed to allocate mbus frame.\n");
free(addr_mask);
return 1;
}
if (init_slaves(handle) == 0)
{
free(addr_mask);
return 1;
}
mbus_scan_2nd_address_range(handle, 0, addr_mask);
mbus_disconnect(handle);
mbus_context_free(handle);
//printf("Summary: Tried %ld address masks and found %d devices.\n", probe_count, match_count);
free(addr_mask);
return 0;
}