pf1550_i2c_interface.hpp

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#pragma once
 
#include <cstddef>
#include <cstdint>
 
namespace pf1550 {
 
enum class CtrlPin : uint8_t {
  Standby = 0,
  UsbVbusEn = 1,
  UsbOtgEn = 2,
  PmicInt = 3,
};
 
enum class GpioSignal : uint8_t {
  Inactive = 0,
  Active = 1,
};
 
enum class PowerMode : uint8_t {
  Run = 0,
  Standby = 1,
};
 
template <typename Derived>
class BusInterface {
public:
  bool Write(uint8_t addr, uint8_t reg, const uint8_t* data, size_t len) noexcept {
    return static_cast<Derived*>(this)->Write(addr, reg, data, len);
  }
 
  bool Read(uint8_t addr, uint8_t reg, uint8_t* data, size_t len) noexcept {
    return static_cast<Derived*>(this)->Read(addr, reg, data, len);
  }
 
  bool EnsureInitialized() noexcept {
    return static_cast<Derived*>(this)->EnsureInitialized();
  }
 
  void GpioSet(CtrlPin pin, GpioSignal signal) noexcept {
    static_cast<Derived*>(this)->GpioSet(pin, signal);
  }
 
  void GpioSetActive(CtrlPin pin) noexcept { GpioSet(pin, GpioSignal::Active); }
 
  void GpioSetInactive(CtrlPin pin) noexcept { GpioSet(pin, GpioSignal::Inactive); }
 
  void DelayUs(uint32_t us) noexcept {
    (void)us;
  }
 
  BusInterface(const BusInterface&) = delete;
  BusInterface& operator=(const BusInterface&) = delete;
  BusInterface(BusInterface&&) = delete;
  BusInterface& operator=(BusInterface&&) = delete;
 
protected:
  BusInterface() = default;
  ~BusInterface() = default;
};
 
} // namespace pf1550