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Diffstat (limited to 'libopencm3/include/libopencm3/stm32/common/flash_common_f234.h')
| -rw-r--r-- | libopencm3/include/libopencm3/stm32/common/flash_common_f234.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/libopencm3/include/libopencm3/stm32/common/flash_common_f234.h b/libopencm3/include/libopencm3/stm32/common/flash_common_f234.h new file mode 100644 index 0000000..a012cf6 --- /dev/null +++ b/libopencm3/include/libopencm3/stm32/common/flash_common_f234.h @@ -0,0 +1,93 @@ +/** @addtogroup flash_defines + * + * @author @htmlonly © @endhtmlonly 2010 + * Thomas Otto <tommi@viadmin.org> + * @author @htmlonly © @endhtmlonly 2010 + * Mark Butler <mbutler@physics.otago.ac.nz> + * + */ +/* + * 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_F234_H +#define LIBOPENCM3_FLASH_COMMON_F234_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) + +/* --- FLASH_ACR values ---------------------------------------------------- */ + +#define FLASH_ACR_LATENCY_0WS 0x00 +#define FLASH_ACR_LATENCY_1WS 0x01 +#define FLASH_ACR_LATENCY_2WS 0x02 +#define FLASH_ACR_LATENCY_3WS 0x03 +#define FLASH_ACR_LATENCY_4WS 0x04 +#define FLASH_ACR_LATENCY_5WS 0x05 +#define FLASH_ACR_LATENCY_6WS 0x06 +#define FLASH_ACR_LATENCY_7WS 0x07 + +/* --- FLASH_SR values ----------------------------------------------------- */ + +/* --- FLASH_CR values ----------------------------------------------------- */ + +/* --- 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_unlock(void); +void flash_lock(void); +void flash_clear_pgperr_flag(void); +void flash_clear_eop_flag(void); +void flash_clear_bsy_flag(void); +void flash_clear_status_flags(void); +void flash_wait_for_last_operation(void); + +END_DECLS +/**@}*/ + +#endif +/** @cond */ +#else +#warning "flash_common_f234.h should not be included direcitly," +#warning "only via flash.h" +#endif +/** @endcond */ |