/** @defgroup flash_defines FLASH Defines * * @brief Defined Constants and Types for the STM32F0xx Flash memory * * @ingroup STM32F0xx_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 /*****************************************************************************/ /* Module definitions */ /*****************************************************************************/ /*****************************************************************************/ /* Register definitions */ /*****************************************************************************/ #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) #define FLASH_AR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x14) #define FLASH_OBR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x1C) #define FLASH_WRPR MMIO32(FLASH_MEM_INTERFACE_BASE + 0x20) /*****************************************************************************/ /* Register values */ /*****************************************************************************/ /* --- FLASH_ACR values ---------------------------------------------------- */ #define FLASH_ACR_PRFTBS (1 << 5) #define FLASH_ACR_PRFTBE (1 << 4) #define FLASH_ACR_LATENCY_SHIFT 0 #define FLASH_ACR_LATENCY 7 #define FLASH_ACR_LATENCY_000_024MHZ 0 #define FLASH_ACR_LATENCY_024_048MHZ 1 #define FLASH_ACR_LATENCY_0WS 0 #define FLASH_ACR_LATENCY_1WS 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) #define FLASH_CR_EOPIE (1 << 12) #define FLASH_CR_ERRIE (1 << 10) #define FLASH_CR_OPTWRE (1 << 9) #define FLASH_CR_LOCK (1 << 7) #define FLASH_CR_STRT (1 << 6) #define FLASH_CR_OPTER (1 << 5) #define FLASH_CR_OPTPG (1 << 4) #define FLASH_CR_MER (1 << 2) #define FLASH_CR_PER (1 << 1) #define FLASH_CR_PG (1 << 0) /* --- 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_RAM_PARITY_CHECK (1 << 14) #define FLASH_OBR_VDDA_MONITOR (1 << 13) #define FLASH_OBR_NBOOT1 (1 << 12) #define FLASH_OBR_NRST_STDBY (1 << 10) #define FLASH_OBR_NRST_STOP (1 << 9) #define FLASH_OBR_WDG_SW (1 << 8) #define FLASH_OBR_RDPRT_SHIFT 1 #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 (2 << FLASH_OBR_RDPRT_SHIFT) #define FLASH_OBR_OPTERR (1 << 0) /*****************************************************************************/ /* API definitions */ /*****************************************************************************/ #define FLASH_RDP_L0 ((uint8_t)0xaa) #define FLASH_RDP_L1 ((uint8_t)0xf0) /* any value */ #define FLASH_RDP_L2 ((uint8_t)0xcc) #define FLASH_KEYR_KEY1 ((uint32_t)0x45670123) #define FLASH_KEYR_KEY2 ((uint32_t)0xcdef89ab) /*****************************************************************************/ /* API Functions */ /*****************************************************************************/ BEGIN_DECLS void flash_prefetch_buffer_enable(void); void flash_prefetch_buffer_disable(void); void flash_set_ws(uint32_t ws); void flash_wait_busy(void); void flash_program_u32(uint32_t address, uint32_t data); void flash_program_u16(uint32_t address, uint16_t data); void flash_erase_page(uint32_t page_address); void flash_erase_all_pages(void); END_DECLS /**@}*/ #endif