//------------------------------------------------------------------------------ // Copyright (C) 2011, Robert Johansson, Raditex AB // All rights reserved. // // rSCADA // http://www.rSCADA.se // info@rscada.se // //------------------------------------------------------------------------------ #include #include #include #include #include #include #include static int debug = 0; //------------------------------------------------------------------------------ // Scan for devices using secondary addressing. //------------------------------------------------------------------------------ int main(int argc, char **argv) { char *device, *addr_mask; int baudrate = 9600; mbus_handle *handle = NULL; mbus_frame *frame = NULL, reply; memset((void *)&reply, 0, sizeof(mbus_frame)); if (argc == 2) { device = argv[1]; addr_mask = strdup("FFFFFFFFFFFFFFFF"); } else if (argc == 3 && strcmp(argv[1], "-d") == 0) { device = argv[2]; addr_mask = strdup("FFFFFFFFFFFFFFFF"); debug = 1; } else if (argc == 3) { device = argv[1]; addr_mask = strdup(argv[2]); } else if (argc == 4 && strcmp(argv[1], "-d") == 0) { device = argv[1]; addr_mask = strdup(argv[2]); debug = 1; } else if (argc == 4 && strcmp(argv[1], "-b") == 0) { baudrate = atoi(argv[2]); device = argv[3]; addr_mask = strdup("FFFFFFFFFFFFFFFF"); } else if (argc == 5 && strcmp(argv[1], "-d") == 0) { baudrate = atoi(argv[3]); device = argv[4]; addr_mask = strdup("FFFFFFFFFFFFFFFF"); debug = 1; } else if (argc == 5 && strcmp(argv[1], "-b") == 0) { baudrate = atoi(argv[2]); device = argv[3]; addr_mask = strdup(argv[4]); } else if (argc == 6 && strcmp(argv[1], "-d") == 0) { baudrate = atoi(argv[3]); device = argv[4]; addr_mask = strdup(argv[5]); debug = 1; } else { fprintf(stderr, "usage: %s [-d] [-b BAUDRATE] device [address-mask]\n", argv[0]); fprintf(stderr, "\toptional flag -d for debug printout\n"); fprintf(stderr, "\toptional flag -b for selecting baudrate\n"); fprintf(stderr, "\trestrict the search by supplying an optional address mask on the form\n"); fprintf(stderr, "\t'FFFFFFFFFFFFFFFF' where F is a wildcard character\n"); return 0; } if (debug) { mbus_register_send_event(&mbus_dump_send_event); mbus_register_recv_event(&mbus_dump_recv_event); } if (strlen(addr_mask) != 16) { fprintf(stderr, "Misformatted secondary address mask. Must be 16 character HEX number.\n"); return 1; } if ((handle = mbus_connect_serial(device)) == NULL) { fprintf(stderr, "Failed to setup connection to M-bus gateway: %s\n", mbus_error_str()); return 1; } if (mbus_serial_set_baudrate(handle->m_serial_handle, baudrate) == -1) { fprintf(stderr, "Failed to set baud rate.\n"); return 1; } frame = mbus_frame_new(MBUS_FRAME_TYPE_SHORT); if (frame == NULL) { fprintf(stderr, "Failed to allocate mbus frame.\n"); return 1; } // // init slaves // frame->control = MBUS_CONTROL_MASK_SND_NKE | MBUS_CONTROL_MASK_DIR_M2S; frame->address = 0xFD; if (mbus_send_frame(handle, frame) == -1) { fprintf(stderr, "Failed to send SND_NKE #1.\n"); mbus_frame_free(frame); return 1; } (void) mbus_recv_frame(handle, &reply); frame->control = MBUS_CONTROL_MASK_SND_NKE | MBUS_CONTROL_MASK_DIR_M2S; frame->address = 0xFF; if (mbus_send_frame(handle, frame) == -1) { fprintf(stderr, "Failed to send SND_NKE #2.\n"); mbus_frame_free(frame); return 1; } (void) mbus_recv_frame(handle, &reply); mbus_scan_2nd_address_range(handle, 0, addr_mask); mbus_disconnect(handle); //printf("Summary: Tried %ld address masks and found %d devices.\n", probe_count, match_count); free(addr_mask); return 0; }