interface.h

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#ifndef ION_DEVICE_USB_INTERFACE_H
#define ION_DEVICE_USB_INTERFACE_H

#include "endpoint0.h"
#include "request_recipient.h"
#include "setup_packet.h"

namespace Ion {
namespace USB {
namespace Device {

class Interface : public RequestRecipient {
public:
  Interface(Endpoint0 * ep0) :
    RequestRecipient(ep0)
  {
  }
protected:
  virtual void setActiveInterfaceAlternative(uint8_t interfaceAlternativeIndex) = 0;
  virtual uint8_t getActiveInterfaceAlternative() = 0;
  bool processSetupInRequest(SetupPacket * request, uint8_t * transferBuffer, uint16_t * transferBufferLength, uint16_t transferBufferMaxLength) override;
private:
  // USB Standard Interface Request Codes
  enum class Request {
    GetStatus       = 0,
    ClearFeature    = 1,
    SetFeature      = 3,
    GetInterface    = 10,
    SetInterface    = 11,
  };
  bool getStatus(uint8_t * transferBuffer, uint16_t * transferBufferLength, uint16_t transferBufferMaxLength);
  bool getInterface(uint8_t * transferBuffer, uint16_t * transferBufferLength, uint16_t transferBufferMaxLength);
  bool setInterface(SetupPacket * request, uint16_t * transferBufferLength);
  bool clearFeature(uint16_t * transferBufferLength);
  bool setFeature(uint16_t * transferBufferLength);
};

}
}
}

#endif