usblib.h

embedded usb protocol C program

#ifndef __USBLIB_H__
#define __USBLIB_H__

#include "usb.h"

#define USB_UPGRADE_BUFFER_SIZE     (4 * 1024 * 1024)

extern volatile int isUsbdSetConfiguration;

#define PWR_REG_DEFAULT_VALUE (DISABLE_SUSPEND)

//************************
//       Endpoint 0      
//************************

// Standard bmRequestTyje (Direction) 
#define HOST_TO_DEVICE              (0x00)
#define DEVICE_TO_HOST              (0x80)    

// Standard bmRequestType (Type) 
#define STANDARD_TYPE               (0x00)
#define CLASS_TYPE                  (0x20)
#define VENDOR_TYPE                 (0x40)
#define RESERVED_TYPE               (0x60)

// Standard bmRequestType (Recipient) 
#define DEVICE_RECIPIENT            (0)
#define INTERFACE_RECIPIENT         (1)
#define ENDPOINT_RECIPIENT          (2)
#define OTHER_RECIPIENT             (3)

// Feature Selectors 
#define DEVICE_REMOTE_WAKEUP        (1)
#define EP_STALL                    (0)

// 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_DESCRIPTOR              (7)
#define GET_CONFIGURATION           (8)
#define SET_CONFIGURATION           (9)
#define GET_INTERFACE               (10)
#define SET_INTERFACE               (11)
#define SYNCH_FRAME                 (12)

// Class-specific Request Codes 
#define GET_DEVICE_ID               (0)
#define GET_PORT_STATUS             (1)
#define SOFT_RESET                  (2)

// Descriptor Types
#define DEVICE_TYPE                 (1)
#define CONFIGURATION_TYPE          (2)
#define STRING_TYPE                 (3)
#define INTERFACE_TYPE              (4)
#define ENDPOINT_TYPE               (5)

//configuration descriptor: bmAttributes 
#define CONF_ATTR_DEFAULT	    (0x80) //Spec 1.0 it was BUSPOWERED bit.
#define CONF_ATTR_REMOTE_WAKEUP (0x20)
#define CONF_ATTR_SELFPOWERED   (0x40)

//endpoint descriptor
#define EP_ADDR_IN		    	(0x80)	
#define EP_ADDR_OUT		    	(0x00)

#define EP_ATTR_CONTROL		    (0x0)	
#define EP_ATTR_ISOCHRONOUS	    (0x1)
#define EP_ATTR_BULK		    (0x2)
#define EP_ATTR_INTERRUPT	    (0x3)	


//string descriptor
#define LANGID_US_L 		    (0x09)  
#define LANGID_US_H 		    (0x04)


// USB
struct USB_SETUP_DATA{
    unsigned char bmRequestType;    
    unsigned char bRequest;         
    unsigned char bValueL;          
    unsigned char bValueH;          
    unsigned char bIndexL;          
    unsigned char bIndexH;          
    unsigned char bLengthL;         
    unsigned char bLengthH;         
};


struct USB_DEVICE_DESCRIPTOR{
    unsigned char bLength;    
    unsigned char bDescriptorType;         
    unsigned char bcdUSBL;
    unsigned char bcdUSBH;
    unsigned char bDeviceClass;          
    unsigned char bDeviceSubClass;          
    unsigned char bDeviceProtocol;          
    unsigned char bMaxPacketSize0;         
    unsigned char idVendorL;
    unsigned char idVendorH;
    unsigned char idProductL;
    unsigned char idProductH;
    unsigned char bcdDeviceL;
    unsigned char bcdDeviceH;
    unsigned char iManufacturer;
    unsigned char iProduct;
    unsigned char iSerialNumber;
    unsigned char bNumConfigurations;
};


struct USB_CONFIGURATION_DESCRIPTOR{
    unsigned char bLength;    
    unsigned char bDescriptorType;         
    unsigned char wTotalLengthL;
    unsigned char wTotalLengthH;
    unsigned char bNumInterfaces;
    unsigned char bConfigurationValue;
    unsigned char iConfiguration;
    unsigned char bmAttributes;
    unsigned char maxPower;          
};
    

struct USB_INTERFACE_DESCRIPTOR{
    unsigned char bLength;    
    unsigned char bDescriptorType;         
    unsigned char bInterfaceNumber;
    unsigned char bAlternateSetting;
    unsigned char bNumEndpoints;
    unsigned char bInterfaceClass;
    unsigned char bInterfaceSubClass;
    unsigned char bInterfaceProtocol;
    unsigned char iInterface;
};


struct USB_ENDPOINT_DESCRIPTOR{
    unsigned char bLength;    
    unsigned char bDescriptorType;         
    unsigned char bEndpointAddress;
    unsigned char bmAttributes;
    unsigned char wMaxPacketSizeL;
    unsigned char wMaxPacketSizeH;
    unsigned char bInterval;
};

void Ep3Handler(void);
void Ep3HandlerOptimized(void);

void ClearEp3OutPktReady(void);


//void uprintf(char *fmt,...);
void usb_reset(void);

void ConfigEp3DmaMode(unsigned int bufAddr,unsigned int count);


void ep0_handler(void);
void usb_init(void);

void UsbEp0handler(void);
#if 1
//#ifdef PX_BULK
void ep1_Tx_handler(void);
void ep2_Rx_handler(void);
#else
void ep5_Diag_Tx_handler(void);
void ep4_Diag_Rx_handler(void);
void ep3_Data_Tx_handler(void);
void ep2_Data_Rx_handler(void);
void ep1_Noti_Tx_handler(void);
#endif

void Wr_ep0(U8 * buf, U32 length);

#include "intc.h"
void __IsrUsbd(int eVec);

void dld_Ep0Rxhandler(void);
void dld_Ep1TxHandler(void);


#endif /*__USBLIB_H__*/