nes-proj/cpu/arm/common/usb/usb.h
2009-07-11 14:44:27 +00:00

186 lines
6.6 KiB
C

#ifndef __USB_H__6PFTDPIMZM__
#define __USB_H__6PFTDPIMZM__
#include <stdint.h>
/* Adapted from usb_kbd_enum.h in c5131-usb-kbd-light-1_0_2 package from
Atmel */
/* These definitions assume a little endian architecture */
#ifdef __GNUC__
#define BYTE_ALIGNED __attribute__ ((__packed__))
#else
#define BYTE_ALIGNED
#endif
#define LOW_BYTE(x) ((unsigned char)x)
#define HIGH_BYTE(x) ((unsigned char)(x>>8))
typedef uint8_t Uchar;
typedef uint16_t Uint16;
typedef uint32_t Uint32;
/*_____ S T A N D A R D R E Q U E S T S __________________________________*/
#define GET_STATUS 0x00
#define GET_DEVICE 0x01
#define CLEAR_FEATURE 0x01 /* see FEATURES below */
#define GET_STRING 0x03
#define SET_FEATURE 0x03 /* see FEATURES below */
#define SET_ADDRESS 0x05
#define GET_DESCRIPTOR 0x06
#define SET_DESCRIPTOR 0x07
#define GET_CONFIGURATION 0x08
#define SET_CONFIGURATION 0x09
#define GET_INTERFACE 0x0A
#define SET_INTERFACE 0x0B
#define SYNCH_FRAME 0x0C
#define GET_DEVICE_DESCRIPTOR 1
#define GET_CONFIGURATION_DESCRIPTOR 4
#define REQUEST_DEVICE_STATUS 0x80
#define REQUEST_INTERFACE_STATUS 0x81
#define REQUEST_ENDPOINT_STATUS 0x82
#define ZERO_TYPE 0x00
#define INTERFACE_TYPE 0x01
#define ENDPOINT_TYPE 0x02
/*_____ D E S C R I P T O R T Y P E S ____________________________________*/
#define DEVICE 0x01
#define CONFIGURATION 0x02
#define STRING 0x03
#define INTERFACE 0x04
#define ENDPOINT 0x05
/* HID specific */
#define HID 0x21
#define REPORT 0x22
/* *** */
/*_____ S T A N D A R D F E A T U R E S __________________________________*/
#define DEVICE_REMOTE_WAKEUP_FEATURE 0x01
#define ENDPOINT_HALT_FEATURE 0x00
/*_____ D E V I C E S T A T U S ___________________________________________*/
#define SELF_POWERED 1
/*_____ D E V I C E S T A T E _____________________________________________*/
#define ATTACHED 0
#define POWERED 1
#define DEFAULT 2
#define ADDRESSED 3
#define CONFIGURED 4
#define SUSPENDED 5
#define USB_CONFIG_BUSPOWERED 0x80
#define USB_CONFIG_SELFPOWERED 0x40
#define USB_CONFIG_REMOTEWAKEUP 0x20
/* Class specific */
#define CS_INTERFACE 0x24
#define CS_ENDPOINT 0x25
/*_________________________________________________________ S T R U C T _____*/
/*_____ U S B D E V I C E R E Q U E S T _________________________________*/
struct USB_request_st
{
Uchar bmRequestType; /* Characteristics of the request */
Uchar bRequest; /* Specific request */
Uint16 wValue;
Uint16 wIndex; /* field that varies according to request */
Uint16 wLength; /* Number of bytes to transfer if Data */
};
/*_____ U S B D E V I C E D E S C R I P T O R ___________________________*/
struct usb_st_device_descriptor
{
Uchar bLength; /* Size of this descriptor in bytes */
Uchar bDescriptorType; /* DEVICE descriptor type */
Uint16 bscUSB; /* Binay Coded Decimal Spec. release */
Uchar bDeviceClass; /* Class code assigned by the USB */
Uchar bDeviceSubClass; /* Sub-class code assigned by the USB */
Uchar bDeviceProtocol; /* Protocol code assigned by the USB */
Uchar bMaxPacketSize0; /* Max packet size for EP0 */
Uint16 idVendor; /* Vendor ID. ATMEL = 0x03EB */
Uint16 idProduct; /* Product ID assigned by the manufacturer */
Uint16 bcdDevice; /* Device release number */
Uchar iManufacturer; /* Index of manu. string descriptor */
Uchar iProduct; /* Index of prod. string descriptor */
Uchar iSerialNumber; /* Index of S.N. string descriptor */
Uchar bNumConfigurations; /* Number of possible configurations */
} BYTE_ALIGNED;
/*_____ U S B C O N F I G U R A T I O N D E S C R I P T O R _____________*/
struct usb_st_configuration_descriptor
{
Uchar bLength; /* size of this descriptor in bytes */
Uchar bDescriptorType; /* CONFIGURATION descriptor type */
Uint16 wTotalLength; /* total length of data returned */
Uchar bNumInterfaces; /* number of interfaces for this conf. */
Uchar bConfigurationValue; /* value for SetConfiguration resquest */
Uchar iConfiguration; /* index of string descriptor */
Uchar bmAttibutes; /* Configuration characteristics */
Uchar MaxPower; /* maximum power consumption */
} BYTE_ALIGNED;
/*_____ U S B I N T E R F A C E D E S C R I P T O R _____________________*/
struct usb_st_interface_descriptor
{
Uchar bLength; /* size of this descriptor in bytes */
Uchar bDescriptorType; /* INTERFACE descriptor type */
Uchar bInterfaceNumber; /* Number of interface */
Uchar bAlternateSetting; /* value to select alternate setting */
Uchar bNumEndpoints; /* Number of EP except EP 0 */
Uchar bInterfaceClass; /* Class code assigned by the USB */
Uchar bInterfaceSubClass; /* Sub-class code assigned by the USB */
Uchar bInterfaceProtocol; /* Protocol code assigned by the USB */
Uchar iInterface; /* Index of string descriptor */
} BYTE_ALIGNED;
/*_____ U S B E N D P O I N T D E S C R I P T O R _______________________*/
struct usb_st_endpoint_descriptor
{
Uchar bLength; /* Size of this descriptor in bytes */
Uchar bDescriptorType; /* ENDPOINT descriptor type */
Uchar bEndpointAddress; /* Address of the endpoint */
Uchar bmAttributes; /* Endpoint's attributes */
Uint16 wMaxPacketSize; /* Maximum packet size for this EP */
Uchar bInterval; /* Interval for polling EP in ms */
/* Uchar bRefresh; */
/* Uchar bSynchAddress; */
} BYTE_ALIGNED;
/*_____ U S B S T R I N G D E S C R I P T O R _______________*/
struct usb_st_string_descriptor
{
Uchar bLength; /* size of this descriptor in bytes */
Uchar bDescriptorType; /* STRING descriptor type */
Uint16 wstring[1];/* unicode characters */
} BYTE_ALIGNED;
struct usb_st_language_descriptor
{
Uchar bLength; /* size of this descriptor in bytes */
Uchar bDescriptorType; /* STRING descriptor type */
Uint16 wlangid[1]; /* language id */
} BYTE_ALIGNED;
#endif /* __USB_H__6PFTDPIMZM__ */