You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
62 lines
1.5 KiB
62 lines
1.5 KiB
#pragma once
|
|
|
|
#include <memory>
|
|
|
|
#include "driver/sdmmc_types.h"
|
|
#include "driver/sdspi_host.h"
|
|
#include "esp_err.h"
|
|
#include "esp_vfs_fat.h"
|
|
#include "ff.h"
|
|
#include "result.hpp"
|
|
|
|
#include "gpio_expander.hpp"
|
|
|
|
namespace drivers {
|
|
|
|
extern const char* kStoragePath;
|
|
|
|
class SdStorage {
|
|
public:
|
|
enum Error {
|
|
FAILED_TO_INIT,
|
|
/** We couldn't interact with the SD card at all. Is it missing? */
|
|
FAILED_TO_READ,
|
|
/** We couldn't mount the SD card. Is it formatted? */
|
|
FAILED_TO_MOUNT,
|
|
};
|
|
|
|
static auto create(GpioExpander* gpio) -> cpp::result<SdStorage*, Error>;
|
|
|
|
SdStorage(GpioExpander* gpio,
|
|
esp_err_t (*do_transaction)(sdspi_dev_handle_t, sdmmc_command_t*),
|
|
sdspi_dev_handle_t handle_,
|
|
std::unique_ptr<sdmmc_host_t> host_,
|
|
std::unique_ptr<sdmmc_card_t> card_,
|
|
FATFS* fs_);
|
|
~SdStorage();
|
|
|
|
auto HandleTransaction(sdspi_dev_handle_t handle, sdmmc_command_t* cmdinfo)
|
|
-> esp_err_t;
|
|
|
|
auto GetFs() -> FATFS*;
|
|
|
|
// Not copyable or movable.
|
|
// TODO: maybe this could be movable?
|
|
SdStorage(const SdStorage&) = delete;
|
|
SdStorage& operator=(const SdStorage&) = delete;
|
|
|
|
private:
|
|
GpioExpander* gpio_;
|
|
|
|
esp_err_t (*do_transaction_)(sdspi_dev_handle_t, sdmmc_command_t*) = nullptr;
|
|
|
|
// SPI and SD driver info
|
|
sdspi_dev_handle_t handle_;
|
|
std::unique_ptr<sdmmc_host_t> host_;
|
|
std::unique_ptr<sdmmc_card_t> card_;
|
|
|
|
// Filesystem info
|
|
FATFS* fs_ = nullptr;
|
|
};
|
|
|
|
} // namespace drivers
|
|
|