micropython/ports/stm32/boards/PYBD_SF2/bdev.c

69 wiersze
2.3 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018-2019 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* 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,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "storage.h"
#include "qspi.h"
#if MICROPY_HW_SPIFLASH_ENABLE_CACHE
// Shared cache for first and second SPI block devices
STATIC mp_spiflash_cache_t spi_bdev_cache;
#endif
// First external SPI flash uses software QSPI interface
STATIC const mp_soft_qspi_obj_t soft_qspi_bus = {
.cs = MICROPY_HW_SPIFLASH_CS,
.clk = MICROPY_HW_SPIFLASH_SCK,
.io0 = MICROPY_HW_SPIFLASH_IO0,
.io1 = MICROPY_HW_SPIFLASH_IO1,
.io2 = MICROPY_HW_SPIFLASH_IO2,
.io3 = MICROPY_HW_SPIFLASH_IO3,
};
const mp_spiflash_config_t spiflash_config = {
.bus_kind = MP_SPIFLASH_BUS_QSPI,
.bus.u_qspi.data = (void *)&soft_qspi_bus,
.bus.u_qspi.proto = &mp_soft_qspi_proto,
#if MICROPY_HW_SPIFLASH_ENABLE_CACHE
.cache = &spi_bdev_cache,
#endif
};
spi_bdev_t spi_bdev;
// Second external SPI flash uses hardware QSPI interface
const mp_spiflash_config_t spiflash2_config = {
.bus_kind = MP_SPIFLASH_BUS_QSPI,
.bus.u_qspi.data = NULL,
.bus.u_qspi.proto = &qspi_proto,
#if MICROPY_HW_SPIFLASH_ENABLE_CACHE
.cache = &spi_bdev_cache,
#endif
};
spi_bdev_t spi_bdev2;