core.hpp

#pragma once
#include <cstdint>
 
#include "libxr_def.hpp"
 
namespace LibXR::USB
{
enum class RequestDirection : uint8_t
{
  OUT = 0x00,  
  IN = 0x80    
};
 
enum class RequestType : uint8_t
{
  STANDARD = 0x00,  
  CLASS = 0x20,     
  VENDOR = 0x40,    
  RESERVED = 0x60   
};
 
enum class Recipient : uint8_t
{
  DEVICE = 0x00,     
  INTERFACE = 0x01,  
  ENDPOINT = 0x02,   
  OTHER = 0x03       
};
 
constexpr uint8_t REQ_DIRECTION_MASK = 0x80;  
constexpr uint8_t REQ_TYPE_MASK = 0x60;       
constexpr uint8_t REQ_RECIPIENT_MASK = 0x1F;  
 
LIBXR_PACKED_BEGIN
struct SetupPacket
{
  uint8_t bmRequestType;  
  uint8_t bRequest;       
  uint16_t
      wValue;  
  uint16_t wIndex;   
  uint16_t wLength;  
};
LIBXR_PACKED_END
 
// 标准请求枚举
enum class StandardRequest : uint8_t
{
  GET_STATUS = 0,         
  CLEAR_FEATURE = 1,      
  SET_FEATURE = 3,        
  SET_ADDRESS = 5,        
  GET_DESCRIPTOR = 6,     
  SET_DESCRIPTOR = 7,     
  GET_CONFIGURATION = 8,  
  SET_CONFIGURATION = 9,  
  GET_INTERFACE = 10,     
  SET_INTERFACE = 11,     
  SYNCH_FRAME = 12        
};
 
enum class Speed : uint8_t
{
  LOW,        // 1.5 Mbps
  FULL,       // 12 Mbps
  HIGH,       // 480 Mbps
  SUPER,      // 5 Gbps (USB 3.x，可选)
  SUPER_PLUS  // 10 Gbps（可选，暂不支持）
};
 
enum class USBSpec : uint16_t
{
  USB_1_0 = 0x0100,                  
  USB_1_1 = 0x0110,                  
  USB_2_0 = 0x0200,                  
  USB_2_1 = 0x0210,                  
  USB_3_0 = 0x0300,                  
  USB_3_1 = 0x0310,                  
  USB_3_2 = 0x0320,                  
  USB_3_1_SUPER_SPEED_PLUS = 0x0321  
};
}  // namespace LibXR::USB