c5509evm_device.c

DSP/BIOS Driver Developer Kit 1.11 The DSP/BIOS Driver Developer Kit (DDK) provides a selection of

/*
 *  Copyright 2003 by Texas Instruments Incorporated.
 *  All rights reserved. Property of Texas Instruments Incorporated.
 *  Restricted rights to use, duplicate or disclose this code are
 *  granted through contract.
 *  
 */
/* "@(#) DDK 1.11.00.00 11-04-03 (ddk-b13)" */

/*
 *  ======== c5509evm_device.c ========
 *  This file defines example USB device descriptor information for 
 *   the C5509 EVM.
 */

 
#include <std.h>
#include <csl.h>
#include <c5509_usb.h> 


/*
 * Control Endpoint 0 IN and OUT USB event mask.
 */
#define EP0EVENTMASK  (USB_EVENT_RESET | USB_EVENT_SETUP | USB_EVENT_SUSPEND | \
        USB_EVENT_RESUME | USB_EVENT_EOT)

/*
 *  Device Descriptor
 */
static Uint16 deviceDescriptor[] = {
  0x0000,    /* field for xfer_byte_cnt - used by the data */
             /* transfer API, not an integral part of descriptor */
  (C5509_USB_DESCRIPTOR_DEVICE<<8) | 18,    /* bLength, bDescriptorType */
  0x0101,    /* bcdUSB */
  0x0000,    /* bDeviceClass, bDeviceSubClass */
  0x4000,    /* bDeviceProtocol, bMaxPacketSize0 = 64 */
  0x0451,    /* idVendor = Texas Instruments */
  0x9001,    /* idProduct = catalog DSP product */
  0x0000,    /* bcdDevice ID = prototype */
  0x0201,    /* iManufacturer, iProductName */
  0x0100     /* iSerialNumber, bNumConfigurations */
};

/*
 *  String Descriptors Language Id
 */
static Uint16 stringDescriptorLangId[] = {
  0x0000, /* field for xfer_byte_cnt - used by the data */
          /* transfer API, not an integral part of descriptor */
  (C5509_USB_DESCRIPTOR_STRING<<8) | 4,  /* bLength, bDescriptorType */
  0x0409, /* LANGID (English) */
  0x0000  
};

/*
 *  String Descriptor
 */
static String stringDescriptor[] = {
  (char *)&stringDescriptorLangId[0],    /* LANGID */
  "  Texas Instruments, Inc.",    /* iManufacturer */
  "  TMX320VC5509",    /* iProductName */
  "  USB Demo Device",    /* iConfiguration */
  "  Vendor Specific",    /* iInterface - Vendor Specific */
  NULL                    /* end of string descriptor */
};


/*
 * Override default non-setup event handler
 */
#ifdef OVERRIDEHANDLERS
static Void myEvtCb( Uint16 event, C5509_USB_UsbEventHandler handler) {

    if (event == USB_EVENT_RESET) {
        /* 
         * application can extend functionality here.
         */
        handler();    /* call the default reset event handler */
    }
    else if (event == USB_EVENT_SUSPEND) {
        /* 
         * application can extend functionality here
         */
        handler();    /* call the default suspend event handler */
    }
}
/*
 * Override default setup event handler
 */
static C5509_USB_UsbReqRet mySetupEvtCb( Uint16 requestId,
        C5509_USB_UsbReqHandler handler, USB_SetupStruct *setupPacket) {
    /* 
     * application can extend functionality here.
     */
    return handler();    /* call the default setup event handler */
}
#endif


/*
 *  USB device configuration.
 */
C5509_USB_DeviceConfig myDeviceConfig = {
    &deviceDescriptor[0],
    &stringDescriptorLangId[0],
    &stringDescriptor[0],
#ifdef OVERRIDEHANDLERS
    myEvtCb,
    mySetupEvtCb
#else
    NULL,      /* set to NULL to default event handler */
    NULL       /* set to NULL to default setup event handler */
#endif

};