/** @addtogroup flash_defines * */ /* * This file is part of the libopencm3 project. * * Copyright (C) 2010 Thomas Otto * Copyright (C) 2010 Mark Butler * * 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 . */ /* * For details see: * PM0081 Programming manual: STM32F40xxx and STM32F41xxx Flash programming * September 2011, Doc ID 018520 Rev 1 * https://github.com/libopencm3/libopencm3-archive/blob/master/st_micro/DM00023388.pdf */ /** @cond */ #ifdef LIBOPENCM3_FLASH_H /** @endcond */ #ifndef LIBOPENCM3_FLASH_COMMON_F01_H #define LIBOPENCM3_FLASH_COMMON_F01_H /**@{*/ /* --- FLASH registers ----------------------------------------------------- */ #define FLASH_ACR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x00) #define FLASH_KEYR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x04) #define FLASH_OPTKEYR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x08) #define FLASH_SR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x0C) #define FLASH_CR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x10) #define FLASH_AR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x14) #define FLASH_OBR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x1C) #define FLASH_WRPR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x20) /* Only present in STM32F10x XL series */ #define FLASH_KEYR2 MMIO32(FLASH_MEM_INTERFACE_BASE + 0x44) #define FLASH_SR2 MMIO32(FLASH_MEM_INTERFACE_BASE + 0x4C) #define FLASH_CR2 MMIO32(FLASH_MEM_INTERFACE_BASE + 0x50) #define FLASH_AR2 MMIO32(FLASH_MEM_INTERFACE_BASE + 0x54) /* --- FLASH_OPTION bytes ------------------------------------------------- */ #define FLASH_OPTION_BYTE(i) MMIO16(INFO_BASE+0x0800 + (i)*2) /* --- FLASH_ACR values ---------------------------------------------------- */ #define FLASH_ACR_LATENCY_SHIFT 0 #define FLASH_ACR_LATENCY 7 #define FLASH_ACR_PRFTBS (1 << 5) #define FLASH_ACR_PRFTBE (1 << 4) /* --- FLASH_SR values ----------------------------------------------------- */ #define FLASH_SR_EOP (1 << 5) #define FLASH_SR_WRPRTERR (1 << 4) #define FLASH_SR_PGERR (1 << 2) #define FLASH_SR_BSY (1 << 0) /* --- FLASH_CR values ----------------------------------------------------- */ #define FLASH_CR_EOPIE (1 << 12) #define FLASH_CR_ERRIE (1 << 10) #define FLASH_CR_OPTWRE (1 << 9) #define FLASH_CR_LOCK (1 << 7) #define FLASH_CR_STRT (1 << 6) #define FLASH_CR_OPTER (1 << 5) #define FLASH_CR_OPTPG (1 << 4) #define FLASH_CR_MER (1 << 2) #define FLASH_CR_PER (1 << 1) #define FLASH_CR_PG (1 << 0) /* --- FLASH_OBR values ---------------------------------------------------- */ #define FLASH_OBR_RDPRT_SHIFT 1 #define FLASH_OBR_OPTERR (1 << 0) /* --- FLASH Keys -----------------------------------------------------------*/ #define FLASH_KEYR_KEY1 ((uint32_t)0x45670123) #define FLASH_KEYR_KEY2 ((uint32_t)0xcdef89ab) /* --- Function prototypes ------------------------------------------------- */ BEGIN_DECLS void flash_set_ws(uint32_t ws); void flash_prefetch_buffer_enable(void); void flash_prefetch_buffer_disable(void); void flash_unlock(void); void flash_lock(void); void flash_clear_pgerr_flag(void); void flash_clear_eop_flag(void); void flash_clear_wrprterr_flag(void); void flash_clear_bsy_flag(void); void flash_clear_status_flags(void); uint32_t flash_get_status_flags(void); void flash_wait_for_last_operation(void); void flash_program_word(uint32_t address, uint32_t data); void flash_program_half_word(uint32_t address, uint16_t data); void flash_erase_page(uint32_t page_address); void flash_erase_all_pages(void); void flash_unlock_option_bytes(void); void flash_erase_option_bytes(void); void flash_program_option_bytes(uint32_t address, uint16_t data); END_DECLS /**@}*/ #endif /** @cond */ #else #warning "flash_common_f01.h should not be included directly," #warning "only via flash.h" #endif /** @endcond */