/* * This file is part of the libopencm3 project. * * Copyright (C) 2012 Karl Palsson * * This library is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this library. If not, see . */ #ifndef LIBOPENCM3_DESIG_H #define LIBOPENCM3_DESIG_H #include #include /* --- Device Electronic Signature -------------------------------- */ /* Flash size register */ #define DESIG_FLASH_SIZE MMIO16(DESIG_FLASH_SIZE_BASE + 0x00) /* Unique ID register (96 bits) */ /* Note: ST says these may be accessed in any width if you choose */ #define DESIG_UID_15_0 MMIO16(DESIG_UNIQUE_ID_BASE + 0x00) /* Listed as "This field value is also reserved for a future feature" WTH?! */ #define DESIG_UID_31_16 MMIO16(DESIG_UNIQUE_ID_BASE + 0x02) #define DESIG_UID_63_32 MMIO32(DESIG_UNIQUE_ID_BASE + 0x04) #define DESIG_UID_95_64 MMIO32(DESIG_UNIQUE_ID_BASE + 0x08) BEGIN_DECLS /** * Read the onboard flash size * @return flash size in KB */ u16 desig_get_flash_size(void); /** * Read the full 96 bit unique identifier * Note: ST specifies that bits 31..16 are _also_ reserved for future use * @param result pointer to at least 3xu32s (96 bits) */ void desig_get_unique_id(u32 result[]); /** * Read the full 96 bit unique identifier and return it as a * zero-terminated string * @param string memory region to write the result to 8 @param string_len the size of string in bytes */ void desig_get_unique_id_as_string(char *string, unsigned int string_len); END_DECLS #endif