gd32/f1x0/flash.h

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/** @defgroup flash_defines FLASH Defines
 *
 * @brief <b>Defined Constants and Types for the GD32F1x0 Flash memory</b>
 *
 * @ingroup GD32F1x0_defines
 *
 * @version 1.0.0
 *
 * @author @htmlonly &copy; @endhtmlonly 2013
 * Frantisek Burian <BuFran@seznam.cz>
 *
 * @date 14 January 2014
 *
 * LGPL License Terms @ref lgpl_license
 */
/*
 * This file is part of the libopencm3 project.
 *
 * Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
 *
 * 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/>.
 */
 
#ifndef LIBOPENCM3_FLASH_H
#define LIBOPENCM3_FLASH_H
/**@{*/
 
#include <libopencm3/stm32/common/flash_common_all.h>
#include <libopencm3/stm32/common/flash_common_f.h>
#include <libopencm3/stm32/common/flash_common_f01.h>
 
/*****************************************************************************/
/* Register values                                                           */
/*****************************************************************************/
 
/* --- FLASH_ACR values ---------------------------------------------------- */
 
/** @defgroup flash_latency FLASH Wait States
@ingroup flash_defines
@{*/
#define FLASH_ACR_LATENCY_000_024MHZ    0
#define FLASH_ACR_LATENCY_024_048MHZ    1
#define FLASH_ACR_LATENCY_048_072MHZ    2
#define FLASH_ACR_LATENCY_0WS           0
#define FLASH_ACR_LATENCY_1WS           1
#define FLASH_ACR_LATENCY_2WS           1
/**@}*/
 
/* --- 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_OBL_LAUNCH             (1 << 13)
 
/* --- FLASH_OBR values ---------------------------------------------------- */
 
#define FLASH_OBR_DATA1_SHIFT           24
#define FLASH_OBR_DATA1                 (0xFF << FLASH_OBR_DATA1_SHIFT)
#define FLASH_OBR_DATA0_SHIFT           16
#define FLASH_OBR_DATA0                 (0xFF << FLASH_OBR_DATA0_SHIFT)
#define FLASH_OBR_USER_SHIFT            8
#define FLASH_OBR_USER                  (0xFF << FLASH_OBR_USER_SHIFT)
 
#define FLASH_OBR_RDPRT                 (3 << FLASH_OBR_RDPRT_SHIFT)
#define FLASH_OBR_RDPRT_L0              (0 << FLASH_OBR_RDPRT_SHIFT)
#define FLASH_OBR_RDPRT_L1              (1 << FLASH_OBR_RDPRT_SHIFT)
#define FLASH_OBR_RDPRT_L2              (3 << FLASH_OBR_RDPRT_SHIFT)
 
/*****************************************************************************/
/* API definitions                                                           */
/*****************************************************************************/
 
/* Read protection option byte protection level setting */
#define FLASH_RDP_L0                    ((uint8_t)0xa5)
#define FLASH_RDP_L1                    ((uint8_t)0xf0) /* any value */
#define FLASH_RDP_L2                    ((uint8_t)0xcc)
 
/*****************************************************************************/
/* API Functions                                                             */
/*****************************************************************************/
 
BEGIN_DECLS
 
END_DECLS
/**@}*/
 
#endif