c5509evm_device.c
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上传日期:2008-01-29
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- /*
- * 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
- };