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/** @addtogroup flash_defines
*
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
* Copyright (C) 2010 Mark Butler <mbutler@physics.otago.ac.nz>
*
* 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 <http://www.gnu.org/licenses/>.
*/
/*
* 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 */
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