//------------------------------------------------------------------------------ // 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; //------------------------------------------------------------------------------ // Execution starts here: //------------------------------------------------------------------------------ int main(int argc, char **argv) { mbus_frame reply, *reply_iter; mbus_frame_data reply_data; mbus_handle *handle = NULL; char *host, *addr_str, matching_addr[16]; int port, address; memset((void *)&reply, 0, sizeof(mbus_frame)); memset((void *)&reply_data, 0, sizeof(mbus_frame_data)); if (argc == 4) { host = argv[1]; port = atoi(argv[2]); addr_str = argv[3]; debug = 0; } else if (argc == 5 && strcmp(argv[1], "-d") == 0) { host = argv[2]; port = atoi(argv[3]); addr_str = argv[4]; debug = 1; } else { fprintf(stderr, "usage: %s [-d] host port mbus-address\n", argv[0]); fprintf(stderr, " optional flag -d for debug printout\n"); return 0; } if ((handle = mbus_connect_tcp(host, port)) == NULL) { fprintf(stderr, "Failed to setup connection to M-bus gateway\n"); return 1; } if (strlen(addr_str) == 16) { // secondary addressing int probe_ret; probe_ret = mbus_probe_secondary_address(handle, addr_str, matching_addr); if (probe_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 (probe_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 (probe_ret == MBUS_PROBE_ERROR) { fprintf(stderr, "%s: Error: Failed to probe secondary address [%s].\n", __PRETTY_FUNCTION__, addr_str); return 1; } // else MBUS_PROBE_SINGLE address = 253; } else { // primary addressing address = atoi(addr_str); } // instead of the send and recv, use this sendrecv function that // takes care of the possibility of multi-telegram replies (limit = 16 frames) if (mbus_sendrecv_request(handle, address, &reply, 16) == -1) { fprintf(stderr, "Failed to send/receive M-Bus request.\n"); return 1; } // // dump hex data if debug is true // if (debug) { mbus_frame_print(&reply); } // // here, figure out how the list of frames should be merged into a single // XML document, but for now let's just dump all frames as independent XMLs // for (reply_iter = &reply; reply_iter; reply_iter = reply_iter->next) { if (mbus_frame_data_parse(reply_iter, &reply_data) == -1) { fprintf(stderr, "M-bus data parse error.\n"); return 1; } printf("%s", mbus_frame_data_xml(&reply_data)); // manual free, all records in the list if (reply_data.data_var.record) { mbus_data_record_free(reply_data.data_var.record); } } mbus_disconnect(handle); return 0; }