circuitpython/ports/nrf/drivers/flash.h
Glenn Ruben Bakke cf383412ef nrf/flash: Update flash driver to use nrfx_nvmc driver.
The the nrfx driver is aware of chip specific registers, while
the raw HAL abstraction is not. This driver enables use of NVMC
in non-secure domain for nrf9160.
2019-10-02 21:28:34 +02:00

65 lines
2.1 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 Ayke van Laethem
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
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* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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#ifndef __MICROPY_INCLUDED_LIB_FLASH_H__
#define __MICROPY_INCLUDED_LIB_FLASH_H__
#include "nrfx_nvmc.h"
#if defined(NRF51)
#define FLASH_PAGESIZE (1024)
#elif defined(NRF52_SERIES)
#define FLASH_PAGESIZE (4096)
#else
#error Unknown chip
#endif
#define FLASH_IS_PAGE_ALIGNED(addr) (((uint32_t)(addr) & (FLASH_PAGESIZE - 1)) == 0)
#if BLUETOOTH_SD
typedef enum {
FLASH_STATE_BUSY,
FLASH_STATE_SUCCESS,
FLASH_STATE_ERROR,
} flash_state_t;
void flash_page_erase(uint32_t address);
void flash_write_byte(uint32_t address, uint8_t value);
void flash_write_bytes(uint32_t address, const uint8_t *src, uint32_t num_bytes);
void flash_operation_finished(flash_state_t result);
#else
#define flash_page_erase nrfx_nvmc_page_erase
#define flash_write_byte nrfx_nvmc_byte_write
#define flash_write_bytes nrfx_nvmc_bytes_write
#endif
#endif // __MICROPY_INCLUDED_LIB_FLASH_H__