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/** @defgroup flash_defines FLASH Defines
*
* @ingroup STM32F1xx_defines
*
* @brief Defined Constants and Types for the STM32F1xx FLASH Memory
*
* @version 1.0.0
*
* @date 14 January 2014
*
* LGPL License Terms @ref lgpl_license
*/
/*
* 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:
* PM0075 programming manual: STM32F10xxx Flash programming
* August 2010, Doc ID 17863 Rev 1
* https://github.com/libopencm3/libopencm3-archive/blob/master/st_micro/CD00283419.pdf
*/
#ifndef LIBOPENCM3_FLASH_H
#define LIBOPENCM3_FLASH_H
/**@{*/
#include <libopencm3/stm32/common/flash_common_f01.h>
/* --- FLASH_OPTION bytes ------------------------------------------------- */
/** @defgroup flash_options Option Byte Addresses
@ingroup flash_defines
@{*/
#define FLASH_OPTION_BYTE_0 FLASH_OPTION_BYTE(0)
#define FLASH_OPTION_BYTE_1 FLASH_OPTION_BYTE(1)
#define FLASH_OPTION_BYTE_2 FLASH_OPTION_BYTE(2)
#define FLASH_OPTION_BYTE_3 FLASH_OPTION_BYTE(3)
#define FLASH_OPTION_BYTE_4 FLASH_OPTION_BYTE(4)
#define FLASH_OPTION_BYTE_5 FLASH_OPTION_BYTE(5)
#define FLASH_OPTION_BYTE_6 FLASH_OPTION_BYTE(6)
#define FLASH_OPTION_BYTE_7 FLASH_OPTION_BYTE(7)
/**@}*/
/*****************************************************************************/
/* Register values */
/*****************************************************************************/
/* --- FLASH_ACR values ---------------------------------------------------- */
/** @defgroup flash_latency FLASH Wait States
@ingroup flash_defines
@{*/
#define FLASH_ACR_LATENCY_0WS 0x00
#define FLASH_ACR_LATENCY_1WS 0x01
#define FLASH_ACR_LATENCY_2WS 0x02
/**@}*/
#define FLASH_ACR_HLFCYA (1 << 3)
/* --- 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 ----------------------------------------------------- */
/* --- FLASH_OBR values ---------------------------------------------------- */
/* FLASH_OBR[25:18]: Data1 */
/* FLASH_OBR[17:10]: Data0 */
#define FLASH_OBR_NRST_STDBY (1 << 4)
#define FLASH_OBR_NRST_STOP (1 << 3)
#define FLASH_OBR_WDG_SW (1 << 2)
#define FLASH_OBR_RDPRT_EN (1 << FLASH_OBR_RDPRT_SHIFT)
/*****************************************************************************/
/* API definitions */
/*****************************************************************************/
/* Read protection option byte protection enable key */
#define FLASH_RDP_KEY ((uint16_t)0x00a5)
/* --- Function prototypes ------------------------------------------------- */
BEGIN_DECLS
void flash_halfcycle_enable(void);
void flash_halfcycle_disable(void);
void flash_unlock_upper(void);
void flash_lock_upper(void);
void flash_clear_pgerr_flag_upper(void);
void flash_clear_eop_flag_upper(void);
void flash_clear_wrprterr_flag_upper(void);
void flash_clear_bsy_flag_upper(void);
END_DECLS
/**@}*/
#endif
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