zephyr/drivers/flash/flash_stm32f3x.h

67 lines
1.6 KiB
C

/*
* Copyright (c) 2016 RnDity Sp. z o.o.
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_DRIVERS_FLASH_FLASH_STM32F3X_H_
#define ZEPHYR_DRIVERS_FLASH_FLASH_STM32F3X_H_
#include <soc.h>
#include <flash.h>
#include <clock_control.h>
#include <flash_registers.h>
struct flash_stm32_dev_config {
u32_t *base;
struct stm32_pclken pclken;
};
struct flash_stm32_dev_data {
/* For future use. */
};
#define FLASH_CFG(dev) \
((const struct flash_stm32_dev_config * const)(dev)->config->config_info)
#define FLASH_DATA(dev) \
((struct flash_stm32_dev_data * const)(dev)->driver_data)
#define FLASH_STRUCT(base) \
(volatile struct stm32_flash *)(base)
/* Flash programming timeout definition. */
#define FLASH_ER_PRG_TIMEOUT ((u32_t)0x000B0000)
enum flash_status {
FLASH_BUSY = 1,
FLASH_ERROR_WRITE_PROTECTION,
FLASH_ERROR_PROGRAM,
FLASH_COMPLETE,
FLASH_TIMEOUT
};
void flash_stm32_lock(struct device *flash);
void flash_stm32_unlock(struct device *flash);
u8_t flash_stm32_program_halfword(struct device *flash,
u32_t address,
u16_t data);
u8_t flash_stm32_program_word(struct device *flash,
u32_t address,
u32_t data);
void flash_stm32_read_data(void *data, u32_t address, size_t len);
u8_t flash_stm32_wait_for_last_operation(struct device *flash,
u32_t timeout);
u8_t flash_stm32_get_status(struct device *flash);
u8_t flash_stm32_erase_page(struct device *flash,
u32_t page_address);
u8_t flash_stm32_erase_all_pages(struct device *flash);
#endif /* ZEPHYR_DRIVERS_FLASH_FLASH_STM32F3X_H_ */