from usbh_mtp.h:114
typedef struct _MTP_Process
{
MTP_InfoTypedef info;
MTP_ParamsTypedef params;
uint8_t DataInPipe;
uint8_t DataOutPipe;
uint8_t NotificationPipe;
uint8_t DataOutEp;
uint8_t DataInEp;
uint8_t NotificationEp;
uint16_t DataOutEpSize;
uint16_t DataInEpSize;
uint16_t NotificationEpSize;
MTP_StateTypeDef state;
MTP_EventHandleTypedef events;
PTP_HandleTypeDef ptp;
uint32_t current_storage_unit;
uint32_t is_ready;
}
MTP_HandleTypeDef;