d025b27b07
- initialized memory in mbus_sendrecv_request - used defines for special address instead of magic numbers
114 lines
2.8 KiB
C
114 lines
2.8 KiB
C
//------------------------------------------------------------------------------
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// Copyright (C) 2011, Robert Johansson, Raditex AB
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// All rights reserved.
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//
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// rSCADA
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// http://www.rSCADA.se
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// info@rscada.se
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//
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//------------------------------------------------------------------------------
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdio.h>
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#include <mbus/mbus.h>
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static int debug = 0;
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//------------------------------------------------------------------------------
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// Execution starts here:
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//------------------------------------------------------------------------------
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int
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main(int argc, char **argv)
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{
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char *host, *addr_mask;
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int port;
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mbus_handle *handle = NULL;
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mbus_frame *frame = NULL, reply;
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memset((void *)&reply, 0, sizeof(mbus_frame));
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if (argc != 4 && argc != 3)
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{
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fprintf(stderr, "usage: %s host port [address-mask]\n", argv[0]);
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fprintf(stderr, "\trestrict the search by supplying an optional address mask on the form\n");
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fprintf(stderr, "\t'FFFFFFFFFFFFFFFF' where F is a wildcard character\n");
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return 0;
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}
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host = argv[1];
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port = atoi(argv[2]);
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if (argc == 4)
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{
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addr_mask = strdup(argv[3]);
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}
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else
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{
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addr_mask = strdup("FFFFFFFFFFFFFFFF");
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}
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if (strlen(addr_mask) != 16)
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{
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fprintf(stderr, "Misformatted secondary address mask. Must be 16 character HEX number.\n");
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return 1;
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}
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if ((handle = mbus_connect_tcp(host, port)) == NULL)
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{
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fprintf(stderr, "Failed to setup connection to M-bus gateway: %s\n", mbus_error_str());
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return 1;
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}
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frame = mbus_frame_new(MBUS_FRAME_TYPE_SHORT);
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if (frame == NULL)
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{
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fprintf(stderr, "Failed to allocate mbus frame.\n");
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return 1;
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}
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//
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// init slaves
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//
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frame->control = MBUS_CONTROL_MASK_SND_NKE | MBUS_CONTROL_MASK_DIR_M2S;
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frame->address = MBUS_ADDRESS_NETWORK_LAYER;
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if (mbus_send_frame(handle, frame) == -1)
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{
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fprintf(stderr, "Failed to send SND_NKE #1.\n");
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mbus_frame_free(frame);
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return 1;
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}
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(void) mbus_recv_frame(handle, &reply);
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sleep(1);
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frame->control = MBUS_CONTROL_MASK_SND_NKE | MBUS_CONTROL_MASK_DIR_M2S;
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frame->address = MBUS_ADDRESS_BROADCAST_NOREPLY;
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if (mbus_send_frame(handle, frame) == -1)
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{
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fprintf(stderr, "Failed to send SND_NKE #2.\n");
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mbus_frame_free(frame);
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return 1;
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}
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(void) mbus_recv_frame(handle, &reply);
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sleep(1);
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mbus_scan_2nd_address_range(handle, 0, addr_mask);
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mbus_disconnect(handle);
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//printf("Summary: Tried %ld address masks and found %d devices.\n", probe_count, match_count);
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free(addr_mask);
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return 0;
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}
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