Mercurial > public > ostc4
view Small_CPU/Inc/tm_stm32f4_otp.h @ 817:d55ed6b7b14a
Testing build
author | heinrichsweikamp |
---|---|
date | Tue, 12 Sep 2023 12:02:49 +0200 (15 months ago) |
parents | 5f11787b4f42 |
children |
line wrap: on
line source
/** * @author Tilen Majerle * @email tilen@majerle.eu * @website http://stm32f4-discovery.com * @link http://stm32f4-discovery.com/2015/01/library-49-one-time-programmable-otp-bytes-on-stm32f4xx * @version v1.0 * @ide Keil uVision * @license GNU GPL v3 * @brief OTP (One-Time Programmable) flash section library for STM32F4xx * @verbatim ---------------------------------------------------------------------- Copyright (C) Tilen Majerle, 2015 This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. ---------------------------------------------------------------------- @endverbatim */ #ifndef TM_STM32F4_OPT_H #define TM_STM32F4_OPT_H /* C++ detection */ #ifdef __cplusplus extern "C" { #endif /** * @addtogroup TM_STM32F4xx_Libraries * @{ */ /** * @defgroup TM_OTP * @brief OTP (One-Time Programmable) flash section library for STM32F4xx - http://stm32f4-discovery.com/2015/01/library-49-one-time-programmable-otp-bytes-on-stm32f4xx * @{ * * \par Changelog * @verbatim Version 1.0 - First release @endverbatim * * \par Dependencies * @verbatim - STM32F4xx - STM32F4xx RCC - STM32F4xx FLASH - defines.h @endverbatim */ //#include "stm32f4xx.h" //#include "stm32f4xx_rcc.h" //#include "stm32f4xx_flash.h" //#include "defines.h" #include "stm32f4xx_hal.h" /** * @defgroup TM_OTP_Macros * @brief Library defines * @{ */ /** * @brief OTP memory start address */ #define OTP_START_ADDR (0x1FFF7800) /** * @brief OTP memory lock address */ #define OTP_LOCK_ADDR (0x1FFF7A00) /** * @brief Number of OTP blocks */ #define OTP_BLOCKS 16 /** * @brief Number of bytes in one block */ #define OTP_BYTES_IN_BLOCK 32 /** * @brief Number of all OTP bytes */ #define OTP_SIZE (OTP_BLOCKS * OTP_BYTES_IN_BLOCK) /** * @} */ /** * @defgroup TM_OTP_Functions * @brief Library Functions * @{ */ /** * @brief Writes one-time data to specific block and specific byte in this block * @note You can only ONCE write data at desired byte in specific block, if you will try to do it more times, you can have broken data at this location. * @param block: OTP block number, 0 to 15 is allowed * @param byte: OTP byte inside one block, 0 to 31 is allowed * @param data: Data to be written to OTP memory * @retval Member of @ref TM_OTP_Result_t enumeration */ HAL_StatusTypeDef TM_OTP_Write(uint8_t block, uint8_t byte, uint8_t data); /** * @brief Reads data from specific block and specific byte in this block * @note You can read data unlimited times from locations * @param block: OTP block number, 0 to 15 is allowed * @param byte: OTP byte inside one block, 0 to 31 is allowed * @retval Value at specific block and byte location, or 0 if location is invalid */ uint8_t TM_OTP_Read(uint8_t block, uint8_t byte); /** * @} */ /** * @} */ /** * @} */ /* C++ detection */ #ifdef __cplusplus } #endif #endif // TM_STM32F4_OPT_H