lib/spi_flash/public/gonk/spi_flash.h

#pragma once

#include <Arduino.h>
#include <stdint.h>

#include "pw_result/result.h"
#include "pw_span/span.h"
#include "pw_status/status.h"

using pw::span;
using pw::Status;

namespace gonk::spi_flash {

class SpiFlash {
public:
  struct DeviceId {
    uint8_t manufacturer_id;
    uint8_t family_code;
    uint8_t product_version;
  };

  SpiFlash(uint16_t flash_cs, uint32_t baudrate, SPIClass &flash_spi);

  Status WriteEnable();
  Status WriteDisable();
  pw::Result<DeviceId> GetDeviceIds();
  std::bitset<8> StatusRegister();
  bool IsBusy();
  bool WritingIsEnabled();
  Status Erase();
  void StartFlashSpi();
  void StopFlashSpi();
  void ResumeFromPowerDown();

private:
  uint16_t flash_cs_;
  SPISettings spi_settings_;
  SPIClass &flash_spi_;
};

} // namespace gonk::spi_flash