at25040_spi_interface.hpp

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#pragma once
#include <cstddef>
#include <cstdint>
#include <type_traits>
#include <utility>
 
namespace at25040 {
 
template <typename Derived>
class SpiInterface {
public:
  bool transfer(const uint8_t* tx, uint8_t* rx, std::size_t len, uint32_t timeout_ms) {
    return static_cast<Derived*>(this)->transfer(tx, rx, len, timeout_ms);
  }
 
  SpiInterface(const SpiInterface&) = delete;
  SpiInterface& operator=(const SpiInterface&) = delete;
 
protected:
  SpiInterface() = default;
  SpiInterface(SpiInterface&&) = default;
  SpiInterface& operator=(SpiInterface&&) = default;
  ~SpiInterface() = default;
};
 
namespace detail {
 
template <typename T, typename = void>
struct HasDelayUs : std::false_type {};
template <typename T>
struct HasDelayUs<T, std::void_t<decltype(std::declval<T&>().delay_us(uint32_t{0}))>>
    : std::true_type {};
 
} // namespace detail
 
} // namespace at25040