usb_config.c

/*
 * Copyright (c) 2012 Andrzej Surowiec <emeryth@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */

#include <stdint.h>
#include <stdbool.h>

#include "inc/hw_types.h"
#include "driverlib/usb.h"
#include "usblib/usblib.h"
#include "usblib/usb-ids.h"
#include "usblib/device/usbdevice.h"
#include "usblib/device/usbdmsc.h"
#include "usb_config.h"
#include "ramdisk.h"

const uint8_t g_pui8LangDescriptor[] = {
	4,         // Descriptor length
	USB_DTYPE_STRING,      // Descriptor type - String
	USBShort(USB_LANG_EN_US) // Supported language code English - United States
};

const uint8_t g_pui8ManufacturerString[] = {
    (17 + 1) * 2,
    USB_DTYPE_STRING,
    'T', 0, 'e', 0, 'x', 0, 'a', 0, 's', 0, ' ', 0, 'I', 0, 'n', 0, 's', 0,
    't', 0, 'r', 0, 'u', 0, 'm', 0, 'e', 0, 'n', 0, 't', 0, 's', 0,
};

const uint8_t g_pui8ProductString[] = {
    (19 + 1) * 2,
    USB_DTYPE_STRING,
    'M', 0, 'a', 0, 's', 0, 's', 0, ' ', 0, 'S', 0, 't', 0, 'o', 0, 'r', 0,
    'a', 0, 'g', 0, 'e', 0, ' ', 0, 'D', 0, 'e', 0, 'v', 0, 'i', 0, 'c', 0,
    'e', 0
};

const uint8_t g_pui8SerialNumberString[] = {
    (8 + 1) * 2,
    USB_DTYPE_STRING,
    '1', 0, '2', 0, '3', 0, '4', 0, '5', 0, '6', 0, '7', 0, '8', 0
};

const uint8_t g_pui8DataInterfaceString[] = {
    (19 + 1) * 2,
    USB_DTYPE_STRING,
    'B', 0, 'u', 0, 'l', 0, 'k', 0, ' ', 0, 'D', 0, 'a', 0, 't', 0,
    'a', 0, ' ', 0, 'I', 0, 'n', 0, 't', 0, 'e', 0, 'r', 0, 'f', 0,
    'a', 0, 'c', 0, 'e', 0
};

const uint8_t g_pui8ConfigString[] = {
    (23 + 1) * 2,
    USB_DTYPE_STRING,
    'B', 0, 'u', 0, 'l', 0, 'k', 0, ' ', 0, 'D', 0, 'a', 0, 't', 0,
    'a', 0, ' ', 0, 'C', 0, 'o', 0, 'n', 0, 'f', 0, 'i', 0, 'g', 0,
    'u', 0, 'r', 0, 'a', 0, 't', 0, 'i', 0, 'o', 0, 'n', 0
};

const uint8_t * const g_ppui8StringDescriptors[] = {
    g_pui8LangDescriptor,
    g_pui8ManufacturerString,
    g_pui8ProductString,
    g_pui8SerialNumberString,
    g_pui8DataInterfaceString,
    g_pui8ConfigString
};

#define NUM_STRING_DESCRIPTORS (sizeof(g_ppui8StringDescriptors)/sizeof(uint8_t *))

tUSBDMSCDevice massStorageDevice =
{
    .ui16VID = USB_VID_TI_1CBE,
	.ui16PID = USB_PID_MSC,
	.pui8Vendor = "TI      ",
	.pui8Product = "MSC Bootloader  ",
	.pui8Version = "1.00",
	.ui16MaxPowermA = 500,
	.ui8PwrAttributes = USB_CONF_ATTR_SELF_PWR,
	.ppui8StringDescriptors = g_ppui8StringDescriptors,
	.ui32NumStringDescriptors = NUM_STRING_DESCRIPTORS,
	.sMediaFunctions =
	{
		.pfnOpen = massStorageOpen,
		.pfnClose = massStorageClose,
		.pfnBlockRead = massStorageRead,
		.pfnBlockWrite = massStorageWrite,
		.pfnNumBlocks = massStorageNumBlocks,
        .pfnBlockSize = 0,
	},
	.pfnEventCallback = massStorageEventCallback
};