sdspi.h

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#pragma once
 
#if (defined(ESP_PLATFORM) || defined(ROO_TESTING))
 
#include "driver/sdmmc_types.h"
#include "hal/gpio_types.h"
#include "hal/spi_types.h"
#include "roo_io/fs/esp32/base_vfs_filesystem.h"
 
namespace roo_io {
 
// For use with esp-idf.
//
// You can use it in Arduino, as long as you don't have other Arduino devices on
// the same SPI bus. Otherwise, use "roo_io/fs/esp32/arduino/sdfs.h" instead.
class SdSpiFs : public BaseEsp32VfsFilesystem {
 public:
  void setCsPin(uint8_t cs_pin) { cs_pin_ = (gpio_num_t)cs_pin; }
  void setSpiHost(spi_host_device_t spi_host) { spi_host_ = spi_host; }
 
  MediaPresence checkMediaPresence() override;
 
 protected:
  friend SdSpiFs CreateSdSpiFs();
 
  MountImpl::MountResult mountImpl(std::function<void()> unmount_fn) override;
 
  SdSpiFs(uint8_t cs_pin = -1, spi_host_device_t spi_host = SPI2_HOST,
          uint32_t freq = 20000000);
 
  void unmountImpl() override;
 
 private:
  gpio_num_t cs_pin_;
 
  spi_host_device_t spi_host_;
 
  std::string mount_base_path_;
  sdmmc_card_t* card_;
};
 
extern SdSpiFs SDSPI;
 
}  // namespace roo_io
 
#endif  // (defined(ESP_PLATFORM) || defined(ROO_TESTING))