85 lines
1.9 KiB
C
85 lines
1.9 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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// 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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//------------------------------------------------------------------------------
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// Primary addressing scanning of mbus devices.
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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 *device;
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int address, baudrate = 9600;
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if (argc == 2)
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{
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device = argv[1];
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}
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else if (argc == 4 && strcmp(argv[1], "-b") == 0)
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{
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baudrate = atoi(argv[2]);
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device = argv[3];
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}
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else
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{
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fprintf(stderr, "usage: %s [-b BAUDRATE] device\n", argv[0]);
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return 0;
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}
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if ((handle = mbus_connect_serial(device)) == NULL)
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{
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printf("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->m_serial_handle, baudrate) == -1)
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{
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printf("Failed to set baud rate.\n");
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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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memset((void *)&reply, 0, sizeof(mbus_frame));
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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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