/******************************************************************************
 * USB Definitions: Standard Descriptors
 *****************************************************************************/
#ifndef USBDEFS_STD_DSC_H
#define USBDEFS_STD_DSC_H

/** D E F I N I T I O N S ****************************************************/

/* Descriptor Types */
#define DSC_DEV     0x01
#define DSC_CFG     0x02
#define DSC_STR     0x03
#define DSC_INTF    0x04
#define DSC_EP      0x05

/******************************************************************************
 * USB Endpoint Definitions
 * USB Standard EP Address Format: DIR:X:X:X:EP3:EP2:EP1:EP0
 * This is used in the descriptors. See autofiles\usbdsc.c
 * 
 * NOTE: Do not use these values for checking against USTAT.
 * To check against USTAT, use values defined in "system\usb\usbdrv\usbdrv.h"
 *****************************************************************************/
#define _EP01_OUT   0x01
#define _EP01_IN    0x81
#define _EP02_OUT   0x02
#define _EP02_IN    0x82
#define _EP03_OUT   0x03
#define _EP03_IN    0x83
#define _EP04_OUT   0x04
#define _EP04_IN    0x84
#define _EP05_OUT   0x05
#define _EP05_IN    0x85
#define _EP06_OUT   0x06
#define _EP06_IN    0x86
#define _EP07_OUT   0x07
#define _EP07_IN    0x87
#define _EP08_OUT   0x08
#define _EP08_IN    0x88
#define _EP09_OUT   0x09
#define _EP09_IN    0x89
#define _EP10_OUT   0x0A
#define _EP10_IN    0x8A
#define _EP11_OUT   0x0B
#define _EP11_IN    0x8B
#define _EP12_OUT   0x0C
#define _EP12_IN    0x8C
#define _EP13_OUT   0x0D
#define _EP13_IN    0x8D
#define _EP14_OUT   0x0E
#define _EP14_IN    0x8E
#define _EP15_OUT   0x0F
#define _EP15_IN    0x8F

/* Configuration Attributes */
#define _DEFAULT    0x01<<7         //Default Value (Bit 7 is set)
#define _SELF       0x01<<6         //Self-powered (Supports if set)
#define _RWU        0x01<<5         //Remote Wakeup (Supports if set)

/* Endpoint Transfer Type */
#define _CTRL       0x00            //Control Transfer
#define _ISO        0x01            //Isochronous Transfer
#define _BULK       0x02            //Bulk Transfer
#define _INT        0x03            //Interrupt Transfer

/* Isochronous Endpoint Synchronization Type */
#define _NS         0x00<<2         //No Synchronization
#define _AS         0x01<<2         //Asynchronous
#define _AD         0x02<<2         //Adaptive
#define _SY         0x03<<2         //Synchronous

/* Isochronous Endpoint Usage Type */
#define _DE         0x00<<4         //Data endpoint
#define _FE         0x01<<4         //Feedback endpoint
#define _IE         0x02<<4         //Implicit feedback Data endpoint


/** S T R U C T U R E ********************************************************/

/******************************************************************************
 * USB Device Descriptor Structure
 *****************************************************************************/
typedef struct _USB_DEV_DSC
{
    unsigned char bLength;       unsigned char bDscType;      unsigned short bcdUSB;
    unsigned char bDevCls;       unsigned char bDevSubCls;    unsigned char bDevProtocol;
    unsigned char bMaxPktSize0;  unsigned short idVendor;      unsigned short idProduct;
    unsigned short bcdDevice;     unsigned char iMFR;          unsigned char iProduct;
    unsigned char iSerialNum;    unsigned char bNumCfg;
} USB_DEV_DSC;

/******************************************************************************
 * USB Configuration Descriptor Structure
 *****************************************************************************/
typedef struct _USB_CFG_DSC
{
    unsigned char bLength;       unsigned char bDscType;      unsigned short wTotalLength;
    unsigned char bNumIntf;      unsigned char bCfgValue;     unsigned char iCfg;
    unsigned char bmAttributes;  unsigned char bMaxPower;
} USB_CFG_DSC;

/******************************************************************************
 * USB Interface Descriptor Structure
 *****************************************************************************/
typedef struct _USB_INTF_DSC
{
    unsigned char bLength;       unsigned char bDscType;      unsigned char bIntfNum;
    unsigned char bAltSetting;   unsigned char bNumEPs;       unsigned char bIntfCls;
    unsigned char bIntfSubCls;   unsigned char bIntfProtocol; unsigned char iIntf;
} USB_INTF_DSC;

/******************************************************************************
 * USB Endpoint Descriptor Structure
 *****************************************************************************/
typedef struct _USB_EP_DSC
{
    unsigned char bLength;       unsigned char bDscType;      unsigned char bEPAdr;
    unsigned char bmAttributes;  unsigned short wMaxPktSize;   unsigned char bInterval;
} USB_EP_DSC;

//
// Standard Request Codes USB 2.0 Spec Ref Table 9-4
//
#define GET_STATUS         0
#define CLEAR_FEATURE      1
#define SET_FEATURE        3
#define SET_ADDRESS        5
#define GET_DESCRIPTOR     6
#define SET_DESCRIPTOR     7
#define GET_CONFIGURATION  8
#define SET_CONFIGURATION  9
#define GET_INTERFACE     10
#define SET_INTERFACE     11
#define SYNCH_FRAME       12

// Standard Feature Selectors
#define DEVICE_REMOTE_WAKEUP    0x01
#define ENDPOINT_HALT           0x00

// Descriptor Types
#define DEVICE_DESCRIPTOR        0x01
#define CONFIGURATION_DESCRIPTOR 0x02
#define STRING_DESCRIPTOR        0x03
#define INTERFACE_DESCRIPTOR     0x04
#define ENDPOINT_DESCRIPTOR      0x05
#define QUALIFIER_DESCRIPTOR     0x06

// Device states (Chap 9.1.1)
#define DETACHED     0
#define ATTACHED     1
#define POWERED      2
#define DEFAULT      3
#define ADDRESS      4
#define CONFIGURED   5


#endif //USBDEFS_STD_DSC_H