71 lines
1.6 KiB
C
71 lines
1.6 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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// FreeSCADA
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// http://www.FreeSCADA.com
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// freescada@freescada.com
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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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//------------------------------------------------------------------------------
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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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mbus_handle *handle;
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char *host;
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int port, address;
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if (argc != 3)
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{
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printf("usage: %s host port\n", argv[0]);
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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 ((handle = mbus_connect_tcp(host, port)) == NULL)
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{
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printf("Scan failed: Could not 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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for (address = 0; address < 254; address++)
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{
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mbus_frame reply;
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if (mbus_send_ping_frame(handle, address) == -1)
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{
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printf("Scan failed. Could not send ping frame: %s\n", mbus_error_str());
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return -1;
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}
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if (mbus_recv_frame(handle, &reply) == -1)
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{
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continue;
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}
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if (mbus_frame_type(&reply) == MBUS_FRAME_TYPE_ACK)
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{
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printf("Found a M-Bus device at address %d\n", address);
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}
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}
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mbus_disconnect(handle);
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return 0;
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}
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