/** @defgroup flash_defines FLASH Defines
*
* @brief Defined Constants and Types for the GD32F1x0 Flash memory
*
* @ingroup GD32F1x0_defines
*
* @version 1.0.0
*
* @author @htmlonly © @endhtmlonly 2013
* Frantisek Burian
*
* @date 14 January 2014
*
* LGPL License Terms @ref lgpl_license
*/
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2013 Frantisek Burian
*
* 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 .
*/
#ifndef LIBOPENCM3_FLASH_H
#define LIBOPENCM3_FLASH_H
/**@{*/
#include
#include
#include
/*****************************************************************************/
/* 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