USBHost.h

#ifndef __USBHOST_H__
#define __USBHOST_H__

#define ROOT_HUB_COUNT  2

#define MAX_EXHUB_PORT_COUNT    4
#define EXHUB_PORT_NONE         0xff
#define MAX_INTERFACE_COUNT     4
#define MAX_ENDPOINT_COUNT      4
#define MAX_EXHUB_LEVEL         1
#define ENDPOINT_OUT            0
#define ENDPOINT_IN             1


#define ERR_SUCCESS         0x00
#define ERR_USB_CONNECT     0x15
#define ERR_USB_DISCON      0x16
#define ERR_USB_BUF_OVER    0x17
#define ERR_USB_DISK_ERR    0x1F
#define ERR_USB_TRANSFER    0x20 
#define ERR_USB_UNSUPPORT   0xFB
#define ERR_USB_UNKNOWN     0xFE

#define ROOT_DEVICE_DISCONNECT  0
#define ROOT_DEVICE_CONNECTED   1
#define ROOT_DEVICE_FAILED      2
#define ROOT_DEVICE_SUCCESS     3

/*#define DEV_TYPE_KEYBOARD   ( USB_DEV_CLASS_HID | 0x20 )
#define DEV_TYPE_MOUSE      ( USB_DEV_CLASS_HID | 0x30 )
#define DEV_TYPE_JOYSTICK      ( USB_DEV_CLASS_HID | 0x40 )
#define DEV_TYPE_GAMEPAD      ( USB_DEV_CLASS_HID | 0x50 )*/

#define HID_SEG_KEYBOARD_MODIFIER_INDEX 0
#define HID_SEG_KEYBOARD_VAL_INDEX      1
#define HID_SEG_BUTTON_INDEX            2
#define HID_SEG_X_INDEX                 3
#define HID_SEG_Y_INDEX                 4
#define HID_SEG_WHEEL_INDEX             5
#define HID_SEG_COUNT                   6

typedef struct _EndPoint
{
	unsigned char EndpointAddr;
	unsigned short MaxPacketSize;
	
	unsigned char EndpointDir : 1;
	unsigned char TOG : 1;
} EndPoint, *PEndPoint;

typedef struct _HIDSegmentStructure
{
	unsigned char KeyboardReportId;
	unsigned char MouseReportId;
	
	struct
	{
		unsigned char start;
		unsigned char size;
		unsigned char count;
	} HIDSeg[HID_SEG_COUNT];
} HIDSegmentStructure;

#define HID_KEYBOARD_VAL_LEN           6
#define MAX_HID_KEYBOARD_BIT_VAL_LEN   15

typedef struct _KeyboardParseStruct
{
	unsigned char   KeyboardVal[HID_KEYBOARD_VAL_LEN];
	unsigned char   KeyboardBitVal[MAX_HID_KEYBOARD_BIT_VAL_LEN];
} KeyboardParseStruct;

typedef struct _Interface
{
	unsigned char       InterfaceClass;
	unsigned char       InterfaceProtocol;
	
	unsigned char       EndpointCount;
	EndPoint            endpoint[MAX_ENDPOINT_COUNT];
	
	HIDSegmentStructure HidSegStruct;	

	KeyboardParseStruct KeyboardParseStruct;
} Interface, *PInterface;

typedef struct _UsbDevice
{
	unsigned char   DeviceClass;
	unsigned char   MaxPacketSize0;
	
	unsigned short  VendorID;
	unsigned short  ProductID;
	unsigned short  bcdDevice;

	unsigned char   DeviceAddress;
	unsigned char   DeviceSpeed;
	unsigned char   InterfaceCount;
	Interface       interface[MAX_INTERFACE_COUNT];

	unsigned char   HubPortNum;
} UsbDevice, *PUsbDevice;

void resetRootHub(unsigned char i);
void initUSB_Host();
unsigned char checkRootHubConnections();

void resetHubDevices(unsigned char hubindex);
void pollHIDdevice();

#endif