133 lines
3.3 KiB
C
133 lines
3.3 KiB
C
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//------------------------------------------------------------------------------
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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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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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mbus_frame reply;
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mbus_frame_data reply_data;
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mbus_handle *handle = NULL;
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char *host, *addr_str, matching_addr[16];
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int port, address;
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if (argc == 4)
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{
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host = argv[1];
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port = atoi(argv[2]);
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addr_str = argv[3];
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debug = 0;
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}
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else if (argc == 5 && strcmp(argv[1], "-d") == 0)
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{
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host = argv[2];
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port = atoi(argv[3]);
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addr_str = argv[4];
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debug = 1;
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}
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else
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{
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fprintf(stderr, "usage: %s [-d] host port mbus-address\n", argv[0]);
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fprintf(stderr, " optional flag -d for debug printout\n");
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return 0;
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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\n");
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return -1;
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}
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if (strlen(addr_str) == 16)
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{
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// secondary addressing
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int probe_ret;
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probe_ret = mbus_probe_secondary_address(handle, addr_str, matching_addr);
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if (probe_ret == MBUS_PROBE_COLLISION)
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{
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fprintf(stderr, "%s: Error: The address mask [%s] matches more than one device.\n", __PRETTY_FUNCTION__, addr_str);
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return -1;
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}
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else if (probe_ret == MBUS_PROBE_NOTHING)
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{
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fprintf(stderr, "%s: Error: The selected secondary address does not match any device [%s].\n", __PRETTY_FUNCTION__, addr_str);
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return -1;
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}
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else if (probe_ret == MBUS_PROBE_ERROR)
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{
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fprintf(stderr, "%s: Error: Failed to probe secondary address [%s].\n", __PRETTY_FUNCTION__, addr_str);
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return -1;
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}
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// else MBUS_PROBE_SINGLE
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if (mbus_send_request_frame(handle, 253) == -1)
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{
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fprintf(stderr, "Failed to send M-Bus request frame.\n");
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return -1;
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}
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}
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else
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{
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// primary addressing
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address = atoi(addr_str);
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if (mbus_send_request_frame(handle, address) == -1)
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{
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fprintf(stderr, "Failed to send M-Bus request frame.\n");
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return -1;
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}
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}
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if (mbus_recv_frame(handle, &reply) == -1)
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{
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fprintf(stderr, "Failed to receive M-Bus response frame.\n");
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return -1;
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}
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//
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// parse data and print in XML format
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//
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if (debug)
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{
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mbus_frame_print(&reply);
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}
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mbus_frame_data_parse(&reply, &reply_data);
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printf("%s", mbus_frame_data_xml(&reply_data));
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// manual free
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if (reply_data.data_var.record)
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{
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mbus_data_record_free(reply_data.data_var.record); // free's up the whole list
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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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