usb_host.h

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#ifndef USB_HOST_H
#define USB_HOST_H
 
#include <cstdint>
#include "usbh_def.h"
 
namespace daisy
{
typedef enum
{
    APPLICATION_IDLE = 0,
    APPLICATION_START,
    APPLICATION_READY,
    APPLICATION_DISCONNECT
} ApplicationTypeDef;
 
class USBHostHandle
{
  public:
    enum class Result
    {
        OK,
        BUSY,
        FAIL,
        NOT_SUPPORTED,
        UNRECOVERED_ERROR,
        ERROR_SPEED_UNKNOWN
    };
 
    typedef void (*ConnectCallback)(void* data);
 
    typedef void (*DisconnectCallback)(void* data);
 
    typedef void (*ClassActiveCallback)(void* userdata);
 
    typedef void (*ErrorCallback)(void* data);
 
    struct Config
    {
        Config()
        : connect_callback(nullptr),
          disconnect_callback(nullptr),
          class_active_callback(nullptr),
          error_callback(nullptr),
          userdata(nullptr)
        {
        }
        ConnectCallback     connect_callback;
        DisconnectCallback  disconnect_callback;
        ClassActiveCallback class_active_callback;
        ErrorCallback       error_callback;
        void*               userdata;
    };
 
    Result RegisterClass(USBH_ClassTypeDef* pClass);
 
    Result Init(USBHostHandle::Config& config);
 
    Result Deinit();
 
    bool IsActiveClass(USBH_ClassTypeDef* usbClass);
 
    Result Process();
 
    Result ReEnumerate();
 
    bool GetReady();
 
    bool GetPresent();
 
    const char* GetProductName();
 
    USBHostHandle() : pimpl_(nullptr) {}
    USBHostHandle(const USBHostHandle& other) = default;
    USBHostHandle& operator=(const USBHostHandle& other) = default;
 
    class Impl; 
  private:
    Impl* pimpl_;
};
 
} // namespace daisy
 
#endif // DSY_MSD