/* * Copyright 2024 Google LLC * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "mfg/mfg_serials.h" //! @file mfg_info.c //! //! This file implements mfg_info functions where the storage is the same for both tintin and //! snowy, mostly for things that are stored in OTP. See the tintin/mfg_info.c and //! snowy/mfg_info.c for the board specific implementations. void mfg_info_get_serialnumber(char *serial_number, size_t serial_number_size) { strncpy(serial_number, mfg_get_serial_number(), serial_number_size); if (serial_number_size > MFG_SERIAL_NUMBER_SIZE) { // FIXME: manually adding a null-terminator if there is space // strncpy should pad the end of strings with nulls if there is space, but // everywhere that seems to use OTP or registry strings seems to pad the end // with a null-term. // Note: making an assumption here that the serial number is always going to the MFG_SERIAL_NUMBER_SIZE characters serial_number[MFG_SERIAL_NUMBER_SIZE] = '\0'; } } void mfg_info_get_pcba_serialnumber(char *pcba_serial_number, size_t pcba_serial_number_size) { strncpy(pcba_serial_number, mfg_get_pcba_serial_number(), pcba_serial_number_size); if (pcba_serial_number_size > MFG_PCBA_SERIAL_NUMBER_SIZE) { // same assumption as in mfg_info_get_pcba_serialnumber pcba_serial_number[MFG_PCBA_SERIAL_NUMBER_SIZE] = '\0'; } } void mfg_info_get_hw_version(char *hw_version, size_t hw_version_size) { strncpy(hw_version, mfg_get_hw_version(), hw_version_size); if (hw_version_size > MFG_HW_VERSION_SIZE) { // same assumption as in mfg_info_get_pcba_serialnumber hw_version[MFG_HW_VERSION_SIZE] = '\0'; } }