613510bce8
The SPI flash driver now supports using an arbitrary SPI object to communicate with the flash chip, and in particular can use a hardware SPI peripheral.
41 lines
1.8 KiB
C
41 lines
1.8 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2016 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MICROPY_INCLUDED_DRIVERS_MEMORY_SPIFLASH_H
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#define MICROPY_INCLUDED_DRIVERS_MEMORY_SPIFLASH_H
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#include "extmod/machine_spi.h"
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typedef struct _mp_spiflash_t {
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mp_hal_pin_obj_t cs;
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mp_obj_base_t *spi; // object must have protocol pointing to mp_machine_spi_p_t struct
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} mp_spiflash_t;
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void mp_spiflash_init(mp_spiflash_t *self);
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void mp_spiflash_read(mp_spiflash_t *self, uint32_t addr, size_t len, uint8_t *dest);
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int mp_spiflash_write(mp_spiflash_t *self, uint32_t addr, size_t len, const uint8_t *src);
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#endif // MICROPY_INCLUDED_DRIVERS_MEMORY_SPIFLASH_H
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