EMTime/libopencm3
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Add more support functions for flash handling.

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Thanks to Mark Butler <mbutler@physics.otago.ac.nz>.
This commit is contained in:
Uwe Hermann
2010-10-18 00:20:59 +02:00
parent 6ba179b361
commit 0287fd9029
2 changed files with 161 additions and 0 deletions
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22
include/libopenstm32/flash.h
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@@ -2,6 +2,7 @@
* This file is part of the libopenstm32 project.
*
* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
* Copyright (C) 2010 Mark Butler <mbutler@physics.otago.ac.nz>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -80,6 +81,12 @@
#define FLASH_RDPRT (1 << 1)
#define FLASH_OPTERR (1 << 0)
/* --- FLASH Keys -----------------------------------------------------------*/
#define RDP_KEY ((u16)0x00a5)
#define FLASH_KEY1 ((u32)0x45670123)
#define FLASH_KEY2 ((u32)0xcdef89ab)
/* --- Function prototypes ------------------------------------------------- */
void flash_prefetch_buffer_enable(void);
@@ -87,5 +94,20 @@ void flash_prefetch_buffer_disable(void);
void flash_halfcycle_enable(void);
void flash_halfcycle_disable(void);
void flash_set_ws(u32 ws);
void flash_unlock(void);
void flash_lock(void);
void flash_clear_pgerr_flag(void);
void flash_clear_eop_flag(void);
void flash_clear_wrprterr_flag(void);
void flash_clear_bsy_flag(void);
void flash_clear_status_flags(void);
void flash_unlock_option_bytes(void);
void flash_erase_all_pages(void);
void flash_erase_page(u32 page_address);
void flash_program_word(u32 address, u32 data);
void flash_program_half_word(u32 address, u16 data);
void flash_wait_for_last_operation(void);
void flash_erase_option_bytes(void);
void flash_program_option_bytes(u32 address, u16 data);
#endif