/************************************************************************** * Description: handles recurring task * Returns: none * Notes: none **************************************************************************/ static void bacnet_test_task(void) { static unsigned index = 0; uint32_t instance; float float_value; uint16_t adc_value; instance = Analog_Input_Index_To_Instance(index); if (!Analog_Input_Out_Of_Service(instance)) { adc_value = adc_result_12bit(index); float_value = adc_value; float_value /= 4095; Analog_Input_Present_Value_Set(instance, float_value); } index++; if (index >= MAX_ANALOG_INPUTS) { index = 0; } }
static time_t uci_Update( time_t ucimodtime, BACNET_OBJECT_TYPE update_object_type, int ucirewrite ) { char *section; char *type; time_t chk_mtime = 0; struct uci_context *ctx; int uci_idx; /* update Value from uci */ section = NULL; type = NULL; if (false) { section = NULL; type = NULL; #if defined(AI) } else if (update_object_type == OBJECT_ANALOG_INPUT) { section = "bacnet_ai"; type = "ai"; #endif #if defined(AO) } else if (update_object_type == OBJECT_ANALOG_OUTPUT) { section = "bacnet_ao"; type = "ao"; #endif #if defined(AV) } else if (update_object_type == OBJECT_ANALOG_VALUE) { section = "bacnet_av"; type = "av"; #endif #if defined(BI) } else if (update_object_type == OBJECT_BINARY_INPUT) { section = "bacnet_bi"; type = "bi"; #endif #if defined(BO) } else if (update_object_type == OBJECT_BINARY_OUTPUT) { section = "bacnet_bo"; type = "bo"; #endif #if defined(BV) } else if (update_object_type == OBJECT_BINARY_VALUE) { section = "bacnet_bv"; type = "bv"; #endif #if defined(MI) } else if (update_object_type == OBJECT_MULTI_STATE_INPUT) { section = "bacnet_mi"; type = "mi"; #endif #if defined(MO) } else if (update_object_type == OBJECT_MULTI_STATE_OUTPUT) { section = "bacnet_mo"; type = "mo"; #endif #if defined(MSV) } else if (update_object_type == OBJECT_MULTI_STATE_VALUE) { section = "bacnet_mv"; type = "mv"; #endif } else { return 0; } if ( ucirewrite == 0) { chk_mtime = ucimodtime; #if PRINT_ENABLED printf("rewrite type: %s\n", type); #endif } else { chk_mtime = check_uci_update(section, ucimodtime); } if(chk_mtime != 0) { sleep(1); ucimodtime = chk_mtime; #if PRINT_ENABLED printf("Config changed, reloading %s\n",section); #endif ctx = ucix_init(section); struct uci_itr_ctx itr; value_tuple_t *cur; itr.list = NULL; itr.section = section; itr.ctx = ctx; ucix_for_each_section_type(ctx, section, type, (void *)load_value, &itr); for( cur = itr.list; cur; cur = cur->next ) { uci_idx = atoi(cur->idx); #if PRINT_ENABLED printf("section %s idx %i \n", section, uci_idx); #endif if (false) { } /* update Analog Input from uci */ #if defined(AI) else if (update_object_type == OBJECT_ANALOG_INPUT) { float ai_val, ai_pval; ai_val = strtof(cur->value,NULL); ai_pval = Analog_Input_Present_Value(uci_idx); if ( ai_val != ai_pval ) { Analog_Input_Present_Value_Set(uci_idx,ai_val,16); } if (cur->Out_Of_Service == 0) { if (Analog_Input_Out_Of_Service(uci_idx)) Analog_Input_Out_Of_Service_Set(uci_idx,0); if (Analog_Input_Reliability(uci_idx)) Analog_Input_Reliability_Set(uci_idx, RELIABILITY_NO_FAULT_DETECTED); } else { #if PRINT_ENABLED printf("idx %s ",cur->idx); printf("Out_Of_Service\n"); #endif Analog_Input_Out_Of_Service_Set(uci_idx,1); Analog_Input_Reliability_Set(uci_idx, RELIABILITY_COMMUNICATION_FAILURE); } } #endif /* update Analog Output from uci */ #if defined(AO) else if (update_object_type == OBJECT_ANALOG_OUTPUT) { float ao_val, ao_pval; ao_val = strtof(cur->value,NULL); ao_pval = Analog_Output_Present_Value(uci_idx); if ( ao_val != ao_pval ) { Analog_Output_Present_Value_Set(uci_idx,ao_val,16); } if (cur->Out_Of_Service == 0) { if (Analog_Output_Out_Of_Service(uci_idx)) Analog_Output_Out_Of_Service_Set(uci_idx,0); if (Analog_Output_Reliability(uci_idx)) Analog_Output_Reliability_Set(uci_idx, RELIABILITY_NO_FAULT_DETECTED); } else { #if PRINT_ENABLED printf("idx %s ",cur->idx); printf("Out_Of_Service\n"); #endif Analog_Output_Out_Of_Service_Set(uci_idx,1); Analog_Output_Reliability_Set(uci_idx, RELIABILITY_COMMUNICATION_FAILURE); } } #endif /* update Analog Value from uci */ #if defined(AV) else if (update_object_type == OBJECT_ANALOG_VALUE) { float av_val, av_pval; av_val = strtof(cur->value,NULL); av_pval = Analog_Value_Present_Value(uci_idx); if ( av_val != av_pval ) { Analog_Value_Present_Value_Set(uci_idx,av_val,16); } if (cur->Out_Of_Service == 0) { if (Analog_Value_Out_Of_Service(uci_idx)) Analog_Value_Out_Of_Service_Set(uci_idx,0); if (Analog_Value_Reliability(uci_idx)) Analog_Value_Reliability_Set(uci_idx, RELIABILITY_NO_FAULT_DETECTED); } else { #if PRINT_ENABLED printf("idx %s ",cur->idx); printf("Out_Of_Service\n"); #endif Analog_Value_Out_Of_Service_Set(uci_idx,1); Analog_Value_Reliability_Set(uci_idx, RELIABILITY_COMMUNICATION_FAILURE); } } #endif /* update Binary Input from uci */ #if defined(BI) else if (update_object_type == OBJECT_BINARY_INPUT) { int bi_val, bi_pval; bi_val = atoi(cur->value); bi_pval = Binary_Input_Present_Value(uci_idx); if ( bi_val != bi_pval ) { Binary_Input_Present_Value_Set(uci_idx,bi_val,16); } if (cur->Out_Of_Service == 0) { if (Binary_Input_Out_Of_Service(uci_idx)) Binary_Input_Out_Of_Service_Set(uci_idx,0); if (Binary_Input_Reliability(uci_idx)) Binary_Input_Reliability_Set(uci_idx, RELIABILITY_NO_FAULT_DETECTED); } else { #if PRINT_ENABLED printf("idx %s ",cur->idx); printf("Out_Of_Service\n"); #endif Binary_Input_Out_Of_Service_Set(uci_idx,1); Binary_Input_Reliability_Set(uci_idx, RELIABILITY_COMMUNICATION_FAILURE); } } #endif /* update Binary Output from uci */ #if defined(BO) else if (update_object_type == OBJECT_BINARY_OUTPUT) { int bo_val, bo_pval; bo_val = atoi(cur->value); bo_pval = Binary_Output_Present_Value(uci_idx); if ( bo_val != bo_pval ) { Binary_Output_Present_Value_Set(uci_idx,bo_val,16); } if (cur->Out_Of_Service == 0) { if (Binary_Output_Out_Of_Service(uci_idx)) Binary_Output_Out_Of_Service_Set(uci_idx,0); if (Binary_Output_Reliability(uci_idx)) Binary_Output_Reliability_Set(uci_idx, RELIABILITY_NO_FAULT_DETECTED); } else { #if PRINT_ENABLED printf("idx %s ",cur->idx); printf("Out_Of_Service\n"); #endif Binary_Output_Out_Of_Service_Set(uci_idx,1); Binary_Output_Reliability_Set(uci_idx, RELIABILITY_COMMUNICATION_FAILURE); } } #endif /* update Binary Value from uci */ #if defined(BV) else if (update_object_type == OBJECT_BINARY_VALUE) { int bv_val, bv_pval; bv_val = atoi(cur->value); bv_pval = Binary_Value_Present_Value(uci_idx); if ( bv_val != bv_pval ) { Binary_Value_Present_Value_Set(uci_idx,bv_val,16); } if (cur->Out_Of_Service == 0) { if (Binary_Value_Out_Of_Service(uci_idx)) Binary_Value_Out_Of_Service_Set(uci_idx,0); if (Binary_Value_Reliability(uci_idx)) Binary_Value_Reliability_Set(uci_idx, RELIABILITY_NO_FAULT_DETECTED); } else { #if PRINT_ENABLED printf("idx %s ",cur->idx); printf("Out_Of_Service\n"); #endif Binary_Value_Out_Of_Service_Set(uci_idx,1); Binary_Value_Reliability_Set(uci_idx, RELIABILITY_COMMUNICATION_FAILURE); } } #endif /* update Multistate Input from uci */ #if defined(MSI) else if (update_object_type == OBJECT_MULTI_STATE_INPUT) { int msi_val, msi_pval; msi_val = atoi(cur->value); msi_pval = Multistate_Input_Present_Value(uci_idx); if ( msi_val != msi_pval ) { Multistate_Input_Present_Value_Set(uci_idx,msi_val,16); } if (cur->Out_Of_Service == 0) { if (Multistate_Input_Out_Of_Service(uci_idx)) Multistate_Input_Out_Of_Service_Set(uci_idx,0); if (Multistate_Input_Reliability(uci_idx)) Multistate_Input_Reliability_Set(uci_idx, RELIABILITY_NO_FAULT_DETECTED); } else { #if PRINT_ENABLED printf("idx %s ",cur->idx); printf("Out_Of_Service\n"); #endif Multistate_Input_Out_Of_Service_Set(uci_idx,1); Multistate_Input_Reliability_Set(uci_idx, RELIABILITY_COMMUNICATION_FAILURE); } } #endif /* update Multistate Output from uci */ #if defined(MSO) else if (update_object_type == OBJECT_MULTI_STATE_OUTPUT) { int mso_val, mso_pval; mso_val = atoi(cur->value); mso_pval = Multistate_Output_Present_Value(uci_idx); if ( mso_val != mso_pval ) { Multistate_Output_Present_Value_Set(uci_idx,mso_val,16); } if (cur->Out_Of_Service == 0) { if (Multistate_Output_Out_Of_Service(uci_idx)) Multistate_Output_Out_Of_Service_Set(uci_idx,0); if (Multistate_Output_Reliability(uci_idx)) Multistate_Output_Reliability_Set(uci_idx, RELIABILITY_NO_FAULT_DETECTED); } else { #if PRINT_ENABLED printf("idx %s ",cur->idx); printf("Out_Of_Service\n"); #endif Multistate_Output_Out_Of_Service_Set(uci_idx,1); Multistate_Output_Reliability_Set(uci_idx, RELIABILITY_COMMUNICATION_FAILURE); } } #endif /* update Multistate Value from uci */ #if defined(MSV) else if (update_object_type == OBJECT_MULTI_STATE_VALUE) { int msv_val, msv_pval; msv_val = atoi(cur->value); msv_pval = Multistate_Value_Present_Value(uci_idx); if ( msv_val != msv_pval ) { Multistate_Value_Present_Value_Set(uci_idx,msv_val,16); } if (cur->Out_Of_Service == 0) { if (Multistate_Value_Out_Of_Service(uci_idx)) Multistate_Value_Out_Of_Service_Set(uci_idx,0); if (Multistate_Value_Reliability(uci_idx)) Multistate_Value_Reliability_Set(uci_idx, RELIABILITY_NO_FAULT_DETECTED); } else { #if PRINT_ENABLED printf("idx %s ",cur->idx); printf("Out_Of_Service\n"); #endif Multistate_Value_Out_Of_Service_Set(uci_idx,1); Multistate_Value_Reliability_Set(uci_idx, RELIABILITY_COMMUNICATION_FAILURE); } } #endif } ucix_cleanup(ctx); } /* update end */ return ucimodtime; }
/* returns true if successful */ bool Analog_Input_Write_Property( BACNET_WRITE_PROPERTY_DATA * wp_data) { bool status = false; /* return value */ int len = 0; BACNET_APPLICATION_DATA_VALUE value; /* decode the some of the request */ len = bacapp_decode_application_data(wp_data->application_data, wp_data->application_data_len, &value); /* FIXME: len < application_data_len: more data? */ if (len < 0) { /* error while decoding - a value larger than we can handle */ wp_data->error_class = ERROR_CLASS_PROPERTY; wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE; return false; } /* only array properties can have array options */ if ((wp_data->object_property != PROP_EVENT_TIME_STAMPS) && (wp_data->array_index != BACNET_ARRAY_ALL)) { wp_data->error_class = ERROR_CLASS_PROPERTY; wp_data->error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY; return false; } switch ((int) wp_data->object_property) { case PROP_PRESENT_VALUE: status = WPValidateArgType(&value, BACNET_APPLICATION_TAG_REAL, &wp_data->error_class, &wp_data->error_code); if (status) { if (Analog_Input_Out_Of_Service(wp_data->object_instance)) { Analog_Input_Present_Value_Set(wp_data->object_instance, value.type.Real); } else { wp_data->error_class = ERROR_CLASS_PROPERTY; wp_data->error_code = ERROR_CODE_WRITE_ACCESS_DENIED; status = false; } } break; case PROP_OUT_OF_SERVICE: status = WPValidateArgType(&value, BACNET_APPLICATION_TAG_BOOLEAN, &wp_data->error_class, &wp_data->error_code); if (status) { Analog_Input_Out_Of_Service_Set( wp_data->object_instance, value.type.Boolean); } break; case PROP_UNITS: status = WPValidateArgType(&value, BACNET_APPLICATION_TAG_ENUMERATED, &wp_data->error_class, &wp_data->error_code); if (status) { Analog_Input_Out_Of_Service_Set( wp_data->object_instance, value.type.Enumerated); } break; case PROP_OBJECT_IDENTIFIER: case PROP_OBJECT_NAME: case PROP_OBJECT_TYPE: case PROP_STATUS_FLAGS: case PROP_EVENT_STATE: wp_data->error_class = ERROR_CLASS_PROPERTY; wp_data->error_code = ERROR_CODE_WRITE_ACCESS_DENIED; break; default: wp_data->error_class = ERROR_CLASS_PROPERTY; wp_data->error_code = ERROR_CODE_UNKNOWN_PROPERTY; break; } return status; }
int main( int argc, char *argv[]) { BACNET_ADDRESS src = { 0 }; /* address where message came from */ uint16_t pdu_len = 0; unsigned timeout = 100; /* milliseconds */ unsigned max_apdu = 0; time_t elapsed_seconds = 0; time_t last_seconds = 0; time_t current_seconds = 0; time_t timeout_seconds = 0; uint8_t invoke_id = 0; bool found = false; BACNET_READ_RANGE_DATA Request; int iCount = 0; int iType = 0; int iKey; int iSecondsRun = 0; if (((argc != 2) && (argc != 3)) || ((argc >= 2) && (strcmp(argv[1], "--help") == 0))) { printf("%s\n", argv[0]); printf("Usage: %s server local-device-instance\r\n or\r\n" " %s remote-device-instance\r\n" "--help gives further information\r\n", filename_remove_path(argv[0]), filename_remove_path(argv[0])); if ((argc > 1) && (strcmp(argv[1], "--help") == 0)) { printf("\r\nServer mode:\r\n\r\n" "<local-device-instance> determins the device id of the application\r\n" "when running as the server end of a test set up. The Server simply\r\n" "returns dummy data for each ReadRange request\r\n\r\n" "Non server:\r\n\r\n" "<remote-device-instance> indicates the device id of the server\r\n" "instance of the application.\r\n" "The non server application will send a series of ReadRange requests to the\r\n" "server with examples of different range types.\r\n"); } return 0; } /* decode the command line parameters */ if (_stricmp(argv[1], "server") == 0) Target_Mode = 1; else Target_Mode = 0; Target_Device_Object_Instance = strtol(argv[1 + Target_Mode], NULL, 0); if (Target_Device_Object_Instance > BACNET_MAX_INSTANCE) { fprintf(stderr, "device-instance=%u - it must be less than %u\r\n", Target_Device_Object_Instance, BACNET_MAX_INSTANCE); return 1; } /* setup my info */ if (Target_Mode) Device_Set_Object_Instance_Number(Target_Device_Object_Instance); else Device_Set_Object_Instance_Number(BACNET_MAX_INSTANCE); Init_Objects(); address_init(); Init_Service_Handlers(); dlenv_init(); atexit(datalink_cleanup); /* configure the timeout values */ last_seconds = time(NULL); timeout_seconds = (apdu_timeout() / 1000) * apdu_retries(); if (Target_Mode) { #if defined(WIN32) || defined(__BORLANDC__) printf("Entering server mode. press q to quit program\r\n\r\n"); #else printf("Entering server mode.\r\n\r\n"); #endif for (;;) { /* increment timer - exit if timed out */ current_seconds = time(NULL); /* returns 0 bytes on timeout */ pdu_len = datalink_receive(&src, &Rx_Buf[0], MAX_MPDU, timeout); /* process */ if (pdu_len) { npdu_handler(&src, &Rx_Buf[0], pdu_len); } /* at least one second has passed */ if (current_seconds != last_seconds) { putchar('.'); /* Just to show that time is passing... */ tsm_timer_milliseconds(((current_seconds - last_seconds) * 1000)); address_cache_timer(current_seconds - last_seconds); trend_log_timer(current_seconds - last_seconds); last_seconds = current_seconds; /* Change the analog input PVs for testing purposes */ for (iCount = 0; iCount < Analog_Input_Count(); iCount++) { Analog_Input_Present_Value_Set(iCount, iSecondsRun * (iCount + 1)); } iSecondsRun++; } #if defined(WIN32) || defined(__BORLANDC__) if (_kbhit()) { iKey = toupper(_getch()); if (iKey == 'Q') { printf("\r\nExiting program now\r\n"); exit(0); } } #endif } } else { /* try to bind with the device */ found = address_bind_request(Target_Device_Object_Instance, &max_apdu, &Target_Address); if (!found) { Send_WhoIs(Target_Device_Object_Instance, Target_Device_Object_Instance); } /* loop forever */ for (;;) { /* increment timer - exit if timed out */ current_seconds = time(NULL); /* returns 0 bytes on timeout */ pdu_len = datalink_receive(&src, &Rx_Buf[0], MAX_MPDU, timeout); /* process */ if (pdu_len) { npdu_handler(&src, &Rx_Buf[0], pdu_len); } /* at least one second has passed */ if (current_seconds != last_seconds) { tsm_timer_milliseconds(((current_seconds - last_seconds) * 1000)); address_cache_timer(current_seconds - last_seconds); trend_log_timer(current_seconds - last_seconds); last_seconds = current_seconds; } if (Error_Detected) break; /* wait until the device is bound, or timeout and quit */ if (!found) found = address_bind_request(Target_Device_Object_Instance, &max_apdu, &Target_Address); if (found) { if (invoke_id == 0) { /* Safe to send a new request */ switch (iCount) { case 0: /* Pass - should read up to 1st 10 */ Request.RequestType = RR_BY_POSITION; Request.Range.RefIndex = 1; Request.Count = 10; Request.object_type = OBJECT_DEVICE; Request.object_instance = Target_Device_Object_Instance; Request.object_property = PROP_DEVICE_ADDRESS_BINDING; Request.array_index = 0; break; case 1: /* Pass - should read entries 2 and 3 */ Request.RequestType = RR_BY_POSITION; Request.Range.RefSeqNum = 3; Request.Count = -2; Request.object_type = OBJECT_DEVICE; Request.object_instance = Target_Device_Object_Instance; Request.object_property = PROP_DEVICE_ADDRESS_BINDING; Request.array_index = 0; break; case 2: /* Fail - By Time not supported */ Request.RequestType = RR_BY_TIME; Request.Range.RefTime.date.year = 2009; Request.Range.RefTime.date.month = 9; Request.Range.RefTime.date.day = 23; Request.Range.RefTime.date.wday = 0xFF; Request.Range.RefTime.time.hour = 22; Request.Range.RefTime.time.min = 23; Request.Range.RefTime.time.sec = 24; Request.Range.RefTime.time.hundredths = 0; Request.Count = 10; Request.object_type = OBJECT_DEVICE; Request.object_instance = Target_Device_Object_Instance; Request.object_property = PROP_DEVICE_ADDRESS_BINDING; Request.array_index = 0; break; case 3: /* Fail - array not supported */ Request.RequestType = RR_BY_POSITION; Request.Range.RefIndex = 1; Request.Count = 10; Request.object_type = OBJECT_DEVICE; Request.object_instance = Target_Device_Object_Instance; Request.object_property = PROP_DEVICE_ADDRESS_BINDING; Request.array_index = 1; break; case 4: /* Fail - By Sequence not supported */ Request.RequestType = RR_BY_SEQUENCE; Request.Range.RefSeqNum = 1; Request.Count = 10; Request.object_type = OBJECT_DEVICE; Request.object_instance = Target_Device_Object_Instance; Request.object_property = PROP_DEVICE_ADDRESS_BINDING; Request.array_index = 0; break; case 5: /* Fail Bytime not supported and array not supported */ Request.RequestType = RR_BY_TIME; Request.Range.RefTime.date.year = 2009; Request.Range.RefTime.date.month = 9; Request.Range.RefTime.date.day = 23; Request.Range.RefTime.date.wday = 0xFF; /* Day of week unspecified */ Request.Range.RefTime.time.hour = 22; Request.Range.RefTime.time.min = 23; Request.Range.RefTime.time.sec = 24; Request.Range.RefTime.time.hundredths = 0; Request.Count = 10; Request.object_type = OBJECT_DEVICE; Request.object_instance = Target_Device_Object_Instance; Request.object_property = PROP_DEVICE_ADDRESS_BINDING; Request.array_index = 1; break; case 6: /* Pass - should try to return all entries */ Request.RequestType = RR_READ_ALL; Request.object_type = OBJECT_DEVICE; Request.object_instance = Target_Device_Object_Instance; Request.object_property = PROP_DEVICE_ADDRESS_BINDING; Request.array_index = 0; break; case 7: /* Fail - array not supported */ Request.RequestType = RR_READ_ALL; Request.object_type = OBJECT_DEVICE; Request.object_instance = Target_Device_Object_Instance; Request.object_property = PROP_DEVICE_ADDRESS_BINDING; Request.array_index = 1; break; case 8: /* Pass - should read 1st 1 */ Request.RequestType = RR_BY_POSITION; Request.Range.RefIndex = 1; Request.Count = 1; Request.object_type = OBJECT_DEVICE; Request.object_instance = Target_Device_Object_Instance; Request.object_property = PROP_DEVICE_ADDRESS_BINDING; Request.array_index = 0; break; case 9: /* Pass - should read 1st 2 */ Request.RequestType = RR_BY_POSITION; Request.Range.RefIndex = 1; Request.Count = 2; Request.object_type = OBJECT_DEVICE; Request.object_instance = Target_Device_Object_Instance; Request.object_property = PROP_DEVICE_ADDRESS_BINDING; Request.array_index = 0; break; case 10: /* Pass - should read 2nd and 3rd */ Request.RequestType = RR_BY_POSITION; Request.Range.RefIndex = 2; Request.Count = 2; Request.object_type = OBJECT_DEVICE; Request.object_instance = Target_Device_Object_Instance; Request.object_property = PROP_DEVICE_ADDRESS_BINDING; Request.array_index = 0; break; case 11: /* Pass - should read 2nd up to 11th */ Request.RequestType = RR_BY_POSITION; Request.Range.RefIndex = 2; Request.Count = 10; Request.object_type = OBJECT_DEVICE; Request.object_instance = Target_Device_Object_Instance; Request.object_property = PROP_DEVICE_ADDRESS_BINDING; Request.array_index = 0; break; } invoke_id = Send_ReadRange_Request(Target_Device_Object_Instance, &Request); } else if (tsm_invoke_id_free(invoke_id)) { if (iCount != 11) { iCount++; invoke_id = 0; } else { break; } } else if (tsm_invoke_id_failed(invoke_id)) { fprintf(stderr, "\rError: TSM Timeout!\r\n"); tsm_free_invoke_id(invoke_id); /* Error_Detected = true; */ /* try again or abort? */ invoke_id = 0; /* Try next operation */ /* break; */ } } else { /* increment timer - exit if timed out */ elapsed_seconds += (current_seconds - last_seconds); if (elapsed_seconds > timeout_seconds) { printf("\rError: APDU Timeout!\r\n"); /* Error_Detected = true; break; */ invoke_id = 0; } } /* keep track of time for next check */ last_seconds = current_seconds; } } if (Error_Detected) return 1; return 0; }