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95 lines
3 KiB
C
95 lines
3 KiB
C
/*
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stm32flash - Open Source ST STM32 flash program for *nix
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Copyright (C) 2010 Geoffrey McRae <geoff@spacevs.com>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef _STM32_H
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#define _STM32_H
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#include <stdint.h>
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#include "serial.h"
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#define STM32_MAX_RX_FRAME 256 /* cmd read memory */
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#define STM32_MAX_TX_FRAME (1 + 256 + 1) /* cmd write memory */
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#define STM32_MAX_PAGES 0x0000ffff
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#define STM32_MASS_ERASE 0x00100000 /* > 2 x max_pages */
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typedef enum {
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STM32_ERR_OK = 0,
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STM32_ERR_UNKNOWN, /* Generic error */
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STM32_ERR_NACK,
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STM32_ERR_NO_CMD, /* Command not available in bootloader */
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} stm32_err_t;
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typedef enum {
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F_NO_ME = 1 << 0, /* Mass-Erase not supported */
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F_OBLL = 1 << 1, /* OBL_LAUNCH required */
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F_PEMPTY = 1 << 2, /* clear PEMPTY bit required */
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} flags_t;
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typedef struct stm32 stm32_t;
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typedef struct stm32_cmd stm32_cmd_t;
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typedef struct stm32_dev stm32_dev_t;
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struct stm32 {
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const serial_t *serial;
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struct port_interface *port;
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uint8_t bl_version;
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uint8_t version;
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uint8_t option1, option2;
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uint16_t pid;
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stm32_cmd_t *cmd;
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const stm32_dev_t *dev;
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};
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struct stm32_dev {
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uint16_t id;
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const char *name;
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uint32_t ram_start, ram_end;
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uint32_t fl_start, fl_end;
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uint16_t fl_pps; // pages per sector
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uint32_t *fl_ps; // page size
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uint32_t opt_start, opt_end;
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uint32_t mem_start, mem_end;
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uint32_t flags;
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};
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stm32_t *stm32_init(struct port_interface *port, const char init);
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void stm32_close(stm32_t *stm);
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stm32_err_t stm32_read_memory(const stm32_t *stm, uint32_t address,
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uint8_t data[], unsigned int len);
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stm32_err_t stm32_write_memory(const stm32_t *stm, uint32_t address,
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const uint8_t data[], unsigned int len);
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stm32_err_t stm32_wunprot_memory(const stm32_t *stm);
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stm32_err_t stm32_wprot_memory(const stm32_t *stm);
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stm32_err_t stm32_erase_memory(const stm32_t *stm, uint32_t spage,
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uint32_t pages);
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stm32_err_t stm32_go(const stm32_t *stm, uint32_t address);
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stm32_err_t stm32_reset_device(const stm32_t *stm);
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stm32_err_t stm32_readprot_memory(const stm32_t *stm);
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stm32_err_t stm32_runprot_memory(const stm32_t *stm);
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stm32_err_t stm32_crc_memory(const stm32_t *stm, uint32_t address,
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uint32_t length, uint32_t *crc);
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stm32_err_t stm32_crc_wrapper(const stm32_t *stm, uint32_t address,
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uint32_t length, uint32_t *crc);
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uint32_t stm32_sw_crc(uint32_t crc, uint8_t *buf, unsigned int len);
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#endif
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