129 lines
3.4 KiB
C
Executable File
129 lines
3.4 KiB
C
Executable File
//------------------------------------------------------------------------------
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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 <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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mbus_frame reply;
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char *device, *addr = NULL;
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int ret;
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long baudrate = 9600;
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if (argc == 3)
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{
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device = argv[1];
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addr = strdup(argv[2]);
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}
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else if (argc == 5 && strcmp(argv[1], "-b") == 0)
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{
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baudrate = atol(argv[2]);
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device = argv[3];
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addr = strdup(argv[4]);
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}
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else
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{
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fprintf(stderr, "usage: %s [-b BAUDRATE] device secondary-mbus-address\n", argv[0]);
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fprintf(stderr, " optional flag -b for selecting baudrate\n");
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return 0;
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}
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if (addr == NULL)
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{
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fprintf(stderr, "Failed to allocate address.\n");
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return 1;
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}
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if (mbus_is_secondary_address(addr) == 0)
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{
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fprintf(stderr,"Misformatted secondary address. Must be 16 character HEX number.\n");
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return 1;
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}
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if ((handle = mbus_context_serial(device)) == NULL)
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{
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fprintf(stderr, "Could not initialize M-Bus context: %s\n", mbus_error_str());
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return 1;
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}
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if (mbus_connect(handle) == -1)
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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 (mbus_serial_set_baudrate(handle, baudrate) == -1)
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{
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fprintf(stderr,"Failed to set baud rate.\n");
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return 1;
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}
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if (mbus_send_select_frame(handle, addr) == -1)
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{
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fprintf(stderr,"Failed to send selection frame: %s\n", mbus_error_str());
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return 1;
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}
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ret = mbus_recv_frame(handle, &reply);
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if (ret == MBUS_RECV_RESULT_TIMEOUT)
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{
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fprintf(stderr,"No reply from device with secondary address %s: %s\n", argv[2], mbus_error_str());
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return 1;
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}
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if (ret == MBUS_RECV_RESULT_INVALID)
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{
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fprintf(stderr,"Invalid reply from %s: The address address probably match more than one device: %s\n", argv[2], mbus_error_str());
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return 1;
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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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if (mbus_send_request_frame(handle, MBUS_ADDRESS_NETWORK_LAYER) == -1)
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{
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fprintf(stderr,"Failed to send request to selected secondary device: %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) != MBUS_RECV_RESULT_OK)
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{
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fprintf(stderr,"Failed to recieve reply from selected secondary device: %s\n", mbus_error_str());
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return 1;
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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("Recieved a reply from secondarily addressed device: Searched for [%s] and found [%s].\n",
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argv[2], mbus_frame_get_secondary_address(&reply));
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}
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}
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else
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{
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fprintf(stderr,"Unknown reply:\n");
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mbus_frame_print(&reply);
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}
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free(addr);
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mbus_disconnect(handle);
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mbus_context_free(handle);
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return 0;
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}
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