usb_desc.h

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#ifndef __USB_DESC_H__
#define __USB_DESC_H__
 
#include <stdint.h>
 
#pragma pack(push,1)
typedef struct _dev_desc_ {
    uint8_t bLength;
    uint8_t bDescriptorType;
    uint16_t bcdUSB;
    uint8_t  bDeviceClass;
    uint8_t bDeviceSubClass;
    uint8_t bDeviceProtocol;
    uint8_t bMaxPacketSize0;
    uint16_t idVendor;
    uint16_t idProduct;
    uint16_t bcdDevice;
    uint8_t  iManufacturer;
    uint8_t iProduct;
    uint8_t iSerialNumber;
    uint8_t bNumConfigurations;
}usb_dev_desc_t;
#pragma pack(pop)
 
#pragma pack(push,1)
typedef struct _string_desc_ {
    uint8_t bLength;
    uint8_t bDescriptorType;
    //..string value
}usb_string_desc_t;
#pragma pack(pop)
 
 
#pragma pack(push,1)
typedef struct _interface_desc_ {
    uint8_t bLength;
    uint8_t bDescriptorType;
    uint8_t bInterfaceNumber;
    uint8_t bAlternateSetting;
    uint8_t bNumEndpoints;
    uint8_t bInterfaceClass;
    uint8_t bInterfaceSubClass;
    uint8_t bInterfaceProtocol;
    uint8_t iInterface;
}usb_if_desc_t;
#pragma pack(pop)
 
#pragma pack(push,1)
typedef struct _qualifier_desc_ {
    uint8_t bLength;
    uint8_t bDescriptorType;
    uint16_t bcdUSB;
    uint8_t bDeviceClass;
    uint8_t bDeviceSubClass;
    uint8_t bDeviceProtocol;
    uint8_t bMaxPacketSize0;
    uint8_t bNumConfigurations;
    uint8_t bReserved;
}usb_qualifier_desc_t;
#pragma pack(pop)
 
#pragma pack(push,1)
typedef struct _config_desc_ {
    uint8_t bLength;
    uint8_t bDescriptorType;
    uint16_t wTotalLength;
    uint8_t bNumInterfaces;
    uint8_t bConfigurationValue;
    uint8_t iConfiguration;
    uint8_t bmAttributes;
    uint8_t bMaxPower;
}usb_config_desc_t;
#pragma pack(pop)
 
#pragma pack(push,1)
typedef struct _usb_desc_ {
    uint8_t bLength;
    uint8_t bDescriptorType;
}usb_descriptor_t;
#pragma pack(pop)
 
#pragma pack(push,1)
typedef struct _usb_hub_ {
    uint8_t bLength;
    uint8_t bDescriptorType;
    uint8_t bNbrPorts;
    uint16_t wHubCharacteristics;
    uint8_t bPwrOn2PwrGood;
    uint8_t bHubContrCurrent;
}usb_hub_desc_t;
#pragma pack(pop)
 
#pragma pack(push,1)
typedef struct _usb_ep_desc_ {
    uint8_t bLength;
    uint8_t bDescriptorType;
    uint8_t bEndpointAddress;
    uint8_t bmAttributes;
    uint16_t wMaxPacketSize;
    uint8_t bInterval;
}usb_ep_desc_t;
#pragma pack(pop)
 
#pragma pack(push,1)
typedef struct {
    uint16_t wPortStatus;
    uint16_t wPortChange;
}usb_port_status_t;
#pragma pack(pop)
 
#define DESCRIPTOR_TYPE_CONFIG 2
#define DESCRIPTOR_TYPE_INTERFACE 4
#define DESCRIPTOR_TYPE_ENDPOINT 5
 
#define USB_EP_TYPE_CONTROL 0x00
#define USB_EP_TYPE_ISOC 0x01
#define USB_EP_TYPE_BULK 0x02
#define USB_EP_TYPE_INTERRUPT 0x03
 
// Request Types
#define REQUEST_OUT         0
#define REQUEST_IN          0x80
 
#define REQUEST_CLASS           0x20
#define REQUEST_VENDOR          0x40
 
#define REQUEST_TO_INTERFACE        1
#define REQUEST_TO_OTHER        3
 
// Standard Request Codes
#define GET_STATUS          0
#define CLEAR_FEATURE           1
#define SET_FEATURE         3
#define SET_ADDRESS         5
#define GET_DESCRIPTOR          6
#define SET_CONFIGURATION       9
#define SET_INTERFACE           11
 
// Port definitions
#define PORT_STATUS_CONNECTION  (1<<0)  //1-device connected, 0- no device connected
#define PORT_STATUS_ENABLED     (1<<1)
#define PORT_STATUS_SUSPEND     (1<<2)
#define PORT_STATUS_OVERCURRENT (1<<3)
#define PORT_STATUS_RESET       (1<<4)
#define PORT_STATUS_POWER       (1<<8)
#define PORT_STATUS_LOW_SPEED   (1<<9)
#define PORT_STATUS_HIGH_SPEED   (1<<10)
#define PORT_STATUS_TEST         (1<<11)
#define PORT_STATUS_INDICATOR    (1<<12)
 
#define PORT_RESET 4
#define PORT_POWER 8
 
// Speed
typedef enum
{
    USBSpeedLow,
    USBSpeedFull,
    USBSpeedHigh,
    USBSpeedUnknown
};
 
extern usb_descriptor_t* dwc2_get_descriptor(void* desc, uint8_t type);
 
#endif