//------------------------------------------------------------------------------ // 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) { mbus_frame reply; mbus_frame_data reply_data; mbus_handle *handle = NULL; char *device, *addr_str, *xml_result; int address, baudrate = 9600; if (argc == 3) { device = argv[1]; addr_str = argv[2]; } else if (argc == 4 && strcmp(argv[1], "-d") == 0) { device = argv[2]; addr_str = argv[3]; debug = 1; } else if (argc == 5 && strcmp(argv[1], "-b") == 0) { baudrate = atoi(argv[2]); device = argv[3]; addr_str = argv[4]; } else if (argc == 6 && strcmp(argv[1], "-d") == 0 && strcmp(argv[2], "-b") == 0) { baudrate = atoi(argv[3]); device = argv[4]; addr_str = argv[5]; debug = 1; } else { fprintf(stderr, "usage: %s [-d] [-b BAUDRATE] device mbus-address\n", argv[0]); fprintf(stderr, " optional flag -d for debug printout\n"); fprintf(stderr, " optional flag -b for selecting baudrate\n"); return 0; } if (debug) { mbus_register_send_event(&mbus_dump_send_event); mbus_register_recv_event(&mbus_dump_recv_event); } if ((handle = mbus_context_serial(device)) == NULL) { fprintf(stderr, "Could not initialize M-Bus context: %s\n", mbus_error_str()); return 1; } if (mbus_connect(handle) == -1) { printf("Failed to setup connection to M-bus gateway\n"); return 1; } if (mbus_serial_set_baudrate(handle, baudrate) == -1) { printf("Failed to set baud rate.\n"); return 1; } if (strlen(addr_str) == 16) { // secondary addressing int ret; ret = mbus_select_secondary_address(handle, addr_str); if (ret == MBUS_PROBE_COLLISION) { fprintf(stderr, "%s: Error: The address mask [%s] matches more than one device.\n", __PRETTY_FUNCTION__, addr_str); return 1; } else if (ret == MBUS_PROBE_NOTHING) { fprintf(stderr, "%s: Error: The selected secondary address does not match any device [%s].\n", __PRETTY_FUNCTION__, addr_str); return 1; } else if (ret == MBUS_PROBE_ERROR) { fprintf(stderr, "%s: Error: Failed to select secondary address [%s].\n", __PRETTY_FUNCTION__, addr_str); return 1; } // else MBUS_PROBE_SINGLE if (mbus_send_request_frame(handle, 253) == -1) { fprintf(stderr, "Failed to send M-Bus request frame.\n"); return 1; } } else { // primary addressing address = atoi(addr_str); if (mbus_send_request_frame(handle, address) == -1) { fprintf(stderr, "Failed to send M-Bus request frame.\n"); return 1; } } if (mbus_recv_frame(handle, &reply) != 0) { fprintf(stderr, "Failed to receive M-Bus response frame.\n"); return 1; } // // parse data and print in XML format // if (debug) { mbus_frame_print(&reply); } if (mbus_frame_data_parse(&reply, &reply_data) == -1) { fprintf(stderr, "M-bus data parse error.\n"); return 1; } if ((xml_result = mbus_frame_data_xml(&reply_data)) == NULL) { fprintf(stderr, "Failed to generate XML representation of MBUS frame: %s\n", mbus_error_str()); return 1; } printf("%s", xml_result); free(xml_result); // manual free if (reply_data.data_var.record) { mbus_data_record_free(reply_data.data_var.record); // free's up the whole list } mbus_disconnect(handle); mbus_context_free(handle); return 0; }