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Diffstat (limited to 'libopencm3/include/libopencm3/stm32/f1/flash.h')
| -rw-r--r-- | libopencm3/include/libopencm3/stm32/f1/flash.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/libopencm3/include/libopencm3/stm32/f1/flash.h b/libopencm3/include/libopencm3/stm32/f1/flash.h new file mode 100644 index 0000000..f7ba402 --- /dev/null +++ b/libopencm3/include/libopencm3/stm32/f1/flash.h @@ -0,0 +1,120 @@ +/** @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 |