/* * 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;