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71 lines
1.4 KiB
71 lines
1.4 KiB
/*
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* Copyright 2023 jacqueline <me@jacqueline.id.au>
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*
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* SPDX-License-Identifier: GPL-3.0-only
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*/
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#pragma once
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#include <memory>
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#include "driver/sdmmc_types.h"
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#include "driver/sdspi_host.h"
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#include "esp_err.h"
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#include "esp_vfs_fat.h"
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#include "ff.h"
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#include "result.hpp"
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#include "gpios.hpp"
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namespace drivers {
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extern const char* kStoragePath;
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enum class SdState {
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kNotPresent,
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kNotFormatted,
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kNotMounted,
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kMounted,
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};
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class SdStorage {
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public:
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enum Error {
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FAILED_TO_INIT,
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/** We couldn't interact with the SD card at all. Is it missing? */
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FAILED_TO_READ,
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/** We couldn't mount the SD card. Is it formatted? */
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FAILED_TO_MOUNT,
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};
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static auto Create(IGpios& gpio) -> cpp::result<SdStorage*, Error>;
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SdStorage(IGpios& gpio,
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sdspi_dev_handle_t handle_,
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std::unique_ptr<sdmmc_host_t> host_,
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std::unique_ptr<sdmmc_card_t> card_,
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FATFS* fs_);
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~SdStorage();
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auto HandleTransaction(sdspi_dev_handle_t handle, sdmmc_command_t* cmdinfo)
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-> esp_err_t;
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auto GetFs() -> FATFS*;
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// Not copyable or movable.
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SdStorage(const SdStorage&) = delete;
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SdStorage& operator=(const SdStorage&) = delete;
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private:
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IGpios& gpio_;
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// SPI and SD driver info
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sdspi_dev_handle_t handle_;
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std::unique_ptr<sdmmc_host_t> host_;
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std::unique_ptr<sdmmc_card_t> card_;
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// Filesystem info
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FATFS* fs_ = nullptr;
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};
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} // namespace drivers
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