//
// Copyright 2013-2014 Ettus Research LLC
//

/* Define the USB 2.0 and USB 3.0 enumeration descriptions for the USRP B200
 * device. */


#include "b200_main.h"


/* Standard Device Descriptor for USB 2.0 */
uint8_t b200_usb2_dev_desc[] __attribute__ ((aligned (32))) =
{
    0x12,                           /* Descriptor size */
    CY_U3P_USB_DEVICE_DESCR,        /* Device descriptor type */
    0x10,0x02,                      /* USB 2.10 */
    0xFF,                           /* Device class */
    0x00,                           /* Device sub-class */
    0x00,                           /* Device protocol */
    0x40,                           /* Maxpacket size for EP0 : 64 bytes */
    0xB4,0x04,                      /* Vendor ID */
    0xF0,0x00,                      /* Product ID */
    0x00,0x00,                      /* Device release number */
    0x01,                           /* Manufacture string index */
    0x02,                           /* Product string index */
    0x03,                           /* Serial number string index */
    0x01                            /* Number of configurations */
};


/* Standard Device Descriptor for USB 3.0 */
uint8_t b200_usb3_dev_desc[] __attribute__ ((aligned (32))) =
{
    0x12,                           /* Descriptor size */
    CY_U3P_USB_DEVICE_DESCR,        /* Device descriptor type */
    0x00,0x03,                      /* USB 3.0 */
    0xFF,                           /* Device class */
    0x00,                           /* Device sub-class */
    0x00,                           /* Device protocol */
    0x09,                           /* Maxpacket size for EP0 : 2^9 */
    0xB4,0x04,                      /* Vendor ID */
    0xF0,0x00,                      /* Product ID */
    0x00,0x00,                      /* Device release number */
    0x01,                           /* Manufacture string index */
    0x02,                           /* Product string index */
    0x03,                           /* Serial number string index */
    0x01                            /* Number of configurations */
};


/* Binary Device Object Store Descriptor */
const uint8_t b200_usb_bos_desc[] __attribute__ ((aligned (32))) =
{
    0x05,                           /* Descriptor size */
    CY_U3P_BOS_DESCR,               /* Device descriptor type */
    0x16,0x00,                      /* Length of this descriptor and all sub descriptors */
    0x02,                           /* Number of device capability descriptors */

    /* USB 2.0 extension */
    0x07,                           /* Descriptor size */
    CY_U3P_DEVICE_CAPB_DESCR,       /* Device capability type descriptor */
    CY_U3P_USB2_EXTN_CAPB_TYPE,     /* USB 2.0 extension capability type */
    0x02,0x00,0x00,0x00,            /* Supported device level features: LPM support  */

    /* SuperSpeed device capability */
    0x0A,                           /* Descriptor size */
    CY_U3P_DEVICE_CAPB_DESCR,       /* Device capability type descriptor */
    CY_U3P_SS_USB_CAPB_TYPE,        /* SuperSpeed device capability type */
    0x00,                           /* Supported device level features  */
    0x0E,0x00,                      /* Speeds supported by the device : SS, HS and FS */
    0x03,                           /* Functionality support */
    0x00,                           /* U1 Device Exit latency */
    0x00,0x00                       /* U2 Device Exit latency */
};


/* Standard Device Qualifier Descriptor */
const uint8_t b200_dev_qual_desc[] __attribute__ ((aligned (32))) =
{
    0x0A,                           /* Descriptor size */
    CY_U3P_USB_DEVQUAL_DESCR,       /* Device qualifier descriptor type */
    0x00,0x02,                      /* USB 2.0 */
    0xFF,                           /* Device class */
    0x00,                           /* Device sub-class */
    0x00,                           /* Device protocol */
    0x40,                           /* Maxpacket size for EP0 : 64 bytes */
    0x01,                           /* Number of configurations */
    0x00                            /* Reserved */
};


/* Standard Full Speed Configuration Descriptor */
const uint8_t b200_usb_fs_config_desc[] __attribute__ ((aligned (32))) =
{
    /* Configuration descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_CONFIG_DESCR,        /* Configuration descriptor type */
    0x52,0x00,                      /* Length of this descriptor and all sub descriptors */
    0x05,                           /* Number of interfaces */
    0x01,                           /* Configuration number */
    0x00,                           /* Configuration string index */
    0x80,                           /* Config characteristics - bus powered */
    0x01,                           /* Lie about the max power consumption (in 2mA unit) : 2mA */

    /* Interface descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_INTRFC_DESCR,        /* Interface descriptor type */
    0x00,                           /* Interface number */
    0x00,                           /* Alternate setting number */
    0x00,                           /* Number of endpoints */
    0xFF,                           /* Interface class */
    0x00,                           /* Interface sub class */
    0x00,                           /* Interface protocol code */
    0x02,                           /* Interface descriptor string index */

    /* Interface descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_INTRFC_DESCR,        /* Interface descriptor type */
    0x01,                           /* Interface number */
    0x00,                           /* Alternate setting number */
    0x01,                           /* Number of endpoints */
    0xFF,                           /* Interface class */
    0x00,                           /* Interface sub class */
    0x00,                           /* Interface protocol code */
    0x02,                           /* Interface descriptor string index */

    /* Endpoint descriptor for producer EP */
    0x07,                           /* Descriptor size */
    CY_U3P_USB_ENDPNT_DESCR,        /* Endpoint descriptor type */
    DATA_ENDPOINT_PRODUCER,         /* Endpoint address and description */
    CY_U3P_USB_EP_BULK,             /* Bulk endpoint type */
    0x40,0x00,                      /* Max packet size = 64 bytes */
    0x00,                           /* Servicing interval for data transfers : 0 for bulk */

    /* Interface descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_INTRFC_DESCR,        /* Interface descriptor type */
    0x02,                           /* Interface number */
    0x00,                           /* Alternate setting number */
    0x01,                           /* Number of endpoints */
    0xFF,                           /* Interface class */
    0x00,                           /* Interface sub class */
    0x00,                           /* Interface protocol code */
    0x02,                           /* Interface descriptor string index */

    /* Endpoint descriptor for consumer EP */
    0x07,                           /* Descriptor size */
    CY_U3P_USB_ENDPNT_DESCR,        /* Endpoint descriptor type */
    DATA_ENDPOINT_CONSUMER,         /* Endpoint address and description */
    CY_U3P_USB_EP_BULK,             /* Bulk endpoint type */
    0x40,0x00,                      /* Max packet size = 64 bytes */
    0x00,                           /* Servicing interval for data transfers : 0 for bulk */

    /* Interface descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_INTRFC_DESCR,        /* Interface descriptor type */
    0x03,                           /* Interface number */
    0x00,                           /* Alternate setting number */
    0x01,                           /* Number of endpoints */
    0xFF,                           /* Interface class */
    0x00,                           /* Interface sub class */
    0x00,                           /* Interface protocol code */
    0x02,                           /* Interface descriptor string index */

    /* Endpoint descriptor for producer EP */
    0x07,                           /* Descriptor size */
    CY_U3P_USB_ENDPNT_DESCR,        /* Endpoint descriptor type */
    CTRL_ENDPOINT_PRODUCER,         /* Endpoint address and description */
    CY_U3P_USB_EP_BULK,             /* Bulk endpoint type */
    0x40,0x00,                      /* Max packet size = 64 bytes */
    0x00,                           /* Servicing interval for data transfers : 0 for bulk */

    /* Interface descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_INTRFC_DESCR,        /* Interface descriptor type */
    0x04,                           /* Interface number */
    0x00,                           /* Alternate setting number */
    0x01,                           /* Number of endpoints */
    0xFF,                           /* Interface class */
    0x00,                           /* Interface sub class */
    0x00,                           /* Interface protocol code */
    0x02,                           /* Interface descriptor string index */

    /* Endpoint descriptor for consumer EP */
    0x07,                           /* Descriptor size */
    CY_U3P_USB_ENDPNT_DESCR,        /* Endpoint descriptor type */
    CTRL_ENDPOINT_CONSUMER,         /* Endpoint address and description */
    CY_U3P_USB_EP_BULK,             /* Bulk endpoint type */
    0x40,0x00,                      /* Max packet size = 64 bytes */
    0x00                            /* Servicing interval for data transfers : 0 for bulk */
};


/* Standard High Speed Configuration Descriptor */
const uint8_t b200_usb_hs_config_desc[] __attribute__ ((aligned (32))) =
{
    /* Configuration descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_CONFIG_DESCR,        /* Configuration descriptor type */
    0x52,0x00,                      /* Length of this descriptor and all sub descriptors */
    0x05,                           /* Number of interfaces */
    0x01,                           /* Configuration number */
    0x00,                           /* COnfiguration string index */
    0x80,                           /* Config characteristics - bus powered */
    0x01,                           /* Lie about the max power consumption (in 2mA unit) : 2mA */

    /* Interface descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_INTRFC_DESCR,        /* Interface Descriptor type */
    0x00,                           /* Interface number */
    0x00,                           /* Alternate setting number */
    0x00,                           /* Number of endpoints */
    0xFF,                           /* Interface class */
    0x00,                           /* Interface sub class */
    0x00,                           /* Interface protocol code */
    0x02,                           /* Interface descriptor string index */

    /* Interface descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_INTRFC_DESCR,        /* Interface Descriptor type */
    0x01,                           /* Interface number */
    0x00,                           /* Alternate setting number */
    0x01,                           /* Number of endpoints */
    0xFF,                           /* Interface class */
    0x00,                           /* Interface sub class */
    0x00,                           /* Interface protocol code */
    0x02,                           /* Interface descriptor string index */

    /* Endpoint descriptor for producer EP */
    0x07,                           /* Descriptor size */
    CY_U3P_USB_ENDPNT_DESCR,        /* Endpoint descriptor type */
    DATA_ENDPOINT_PRODUCER,         /* Endpoint address and description */
    CY_U3P_USB_EP_BULK,             /* Bulk endpoint type */
    0x00,0x02,                      /* Max packet size = 512 bytes */
    0x00,                           /* Servicing interval for data transfers : 0 for bulk */

    /* Interface descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_INTRFC_DESCR,        /* Interface Descriptor type */
    0x02,                           /* Interface number */
    0x00,                           /* Alternate setting number */
    0x01,                           /* Number of endpoints */
    0xFF,                           /* Interface class */
    0x00,                           /* Interface sub class */
    0x00,                           /* Interface protocol code */
    0x02,                           /* Interface descriptor string index */

    /* Endpoint descriptor for consumer EP */
    0x07,                           /* Descriptor size */
    CY_U3P_USB_ENDPNT_DESCR,        /* Endpoint descriptor type */
    DATA_ENDPOINT_CONSUMER,         /* Endpoint address and description */
    CY_U3P_USB_EP_BULK,             /* Bulk endpoint type */
    0x00,0x02,                      /* Max packet size = 512 bytes */
    0x00,                           /* Servicing interval for data transfers : 0 for bulk */

    /* Interface descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_INTRFC_DESCR,        /* Interface Descriptor type */
    0x03,                           /* Interface number */
    0x00,                           /* Alternate setting number */
    0x01,                           /* Number of endpoints */
    0xFF,                           /* Interface class */
    0x00,                           /* Interface sub class */
    0x00,                           /* Interface protocol code */
    0x02,                           /* Interface descriptor string index */

    /* Endpoint descriptor for producer EP */
    0x07,                           /* Descriptor size */
    CY_U3P_USB_ENDPNT_DESCR,        /* Endpoint descriptor type */
    CTRL_ENDPOINT_PRODUCER,         /* Endpoint address and description */
    CY_U3P_USB_EP_BULK,             /* Bulk endpoint type */
    0x00,0x02,                      /* Max packet size = 512 bytes */
    0x00,                           /* Servicing interval for data transfers : 0 for bulk */

    /* Interface descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_INTRFC_DESCR,        /* Interface Descriptor type */
    0x04,                           /* Interface number */
    0x00,                           /* Alternate setting number */
    0x01,                           /* Number of endpoints */
    0xFF,                           /* Interface class */
    0x00,                           /* Interface sub class */
    0x00,                           /* Interface protocol code */
    0x02,                           /* Interface descriptor string index */

    /* Endpoint descriptor for consumer EP */
    0x07,                           /* Descriptor size */
    CY_U3P_USB_ENDPNT_DESCR,        /* Endpoint descriptor type */
    CTRL_ENDPOINT_CONSUMER,         /* Endpoint address and description */
    CY_U3P_USB_EP_BULK,             /* Bulk endpoint type */
    0x00,0x02,                      /* Max packet size = 512 bytes */
    0x00                            /* Servicing interval for data transfers : 0 for bulk */
};


/* Standard Super Speed Configuration Descriptor */
const uint8_t b200_usb_ss_config_desc[] __attribute__ ((aligned (32))) =
{
    /* Configuration descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_CONFIG_DESCR,        /* Configuration descriptor type */
    0x6A,0x00,                      /* Length of this descriptor and all sub descriptors */
    0x05,                           /* Number of interfaces */
    0x01,                           /* Configuration number */
    0x00,                           /* COnfiguration string index */
    0x80,                           /* Config characteristics - D6: Self power; D5: Remote wakeup */
    0x01,                           /* Lie about the max power consumption (in 8mA unit) : 8mA */

    /* Interface descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_INTRFC_DESCR,        /* Interface Descriptor type */
    0x00,                           /* Interface number */
    0x00,                           /* Alternate setting number */
    0x00,                           /* Number of end points */
    0xFF,                           /* Interface class */
    0x00,                           /* Interface sub class */
    0x00,                           /* Interface protocol code */
    0x02,                           /* Interface descriptor string index */

    /* Interface descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_INTRFC_DESCR,        /* Interface Descriptor type */
    0x01,                           /* Interface number */
    0x00,                           /* Alternate setting number */
    0x01,                           /* Number of end points */
    0xFF,                           /* Interface class */
    0x00,                           /* Interface sub class */
    0x00,                           /* Interface protocol code */
    0x02,                           /* Interface descriptor string index */

    /* Endpoint descriptor for producer EP */
    0x07,                           /* Descriptor size */
    CY_U3P_USB_ENDPNT_DESCR,        /* Endpoint descriptor type */
    DATA_ENDPOINT_PRODUCER,         /* Endpoint address and description */
    CY_U3P_USB_EP_BULK,             /* Bulk endpoint type */
    0x00,0x04,                      /* Max packet size = 1024 bytes */
    0x00,                           /* Servicing interval for data transfers : 0 for bulk */

    /* Super speed endpoint companion descriptor for producer EP */
    0x06,                           /* Descriptor size */
    CY_U3P_SS_EP_COMPN_DESCR,       /* SS endpoint companion descriptor type */
    (USB3_PACKETS_PER_BURST - 1),   /* Max no. of packets in a burst : 0: burst 1 packet at a time */
    0x00,                           /* Max streams for bulk EP = 0 (No streams) */
    0x00,0x00,                      /* Service interval for the EP : 0 for bulk */

    /* Interface descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_INTRFC_DESCR,        /* Interface Descriptor type */
    0x02,                           /* Interface number */
    0x00,                           /* Alternate setting number */
    0x01,                           /* Number of end points */
    0xFF,                           /* Interface class */
    0x00,                           /* Interface sub class */
    0x00,                           /* Interface protocol code */
    0x02,                           /* Interface descriptor string index */

    /* Endpoint descriptor for consumer EP */
    0x07,                           /* Descriptor size */
    CY_U3P_USB_ENDPNT_DESCR,        /* Endpoint descriptor type */
    DATA_ENDPOINT_CONSUMER,         /* Endpoint address and description */
    CY_U3P_USB_EP_BULK,             /* Bulk endpoint type */
    0x00,0x04,                      /* Max packet size = 1024 bytes */
    0x00,                           /* Servicing interval for data transfers : 0 for Bulk */

    /* Super speed endpoint companion descriptor for consumer EP */
    0x06,                           /* Descriptor size */
    CY_U3P_SS_EP_COMPN_DESCR,       /* SS endpoint companion descriptor type */
    (USB3_PACKETS_PER_BURST - 1),   /* Max no. of packets in a burst : 0: burst 1 packet at a time */
    0x00,                           /* Max streams for bulk EP = 0 (No streams) */
    0x00,0x00,                      /* Service interval for the EP : 0 for bulk */

    /* Interface descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_INTRFC_DESCR,        /* Interface Descriptor type */
    0x03,                           /* Interface number */
    0x00,                           /* Alternate setting number */
    0x01,                           /* Number of end points */
    0xFF,                           /* Interface class */
    0x00,                           /* Interface sub class */
    0x00,                           /* Interface protocol code */
    0x02,                           /* Interface descriptor string index */

    /* Endpoint descriptor for producer EP */
    0x07,                           /* Descriptor size */
    CY_U3P_USB_ENDPNT_DESCR,        /* Endpoint descriptor type */
    CTRL_ENDPOINT_PRODUCER,         /* Endpoint address and description */
    CY_U3P_USB_EP_BULK,             /* Bulk endpoint type */
    0x00,0x04,                      /* Max packet size = 1024 bytes */
    0x00,                           /* Servicing interval for data transfers : 0 for bulk */

    /* Super speed endpoint companion descriptor for producer EP */
    0x06,                           /* Descriptor size */
    CY_U3P_SS_EP_COMPN_DESCR,       /* SS endpoint companion descriptor type */
    (USB3_PACKETS_PER_BURST - 1),   /* Max no. of packets in a burst : 0: burst 1 packet at a time */
    0x00,                           /* Max streams for bulk EP = 0 (No streams) */
    0x00,0x00,                      /* Service interval for the EP : 0 for bulk */

    /* Interface descriptor */
    0x09,                           /* Descriptor size */
    CY_U3P_USB_INTRFC_DESCR,        /* Interface Descriptor type */
    0x04,                           /* Interface number */
    0x00,                           /* Alternate setting number */
    0x01,                           /* Number of end points */
    0xFF,                           /* Interface class */
    0x00,                           /* Interface sub class */
    0x00,                           /* Interface protocol code */
    0x02,                           /* Interface descriptor string index */

    /* Endpoint descriptor for consumer EP */
    0x07,                           /* Descriptor size */
    CY_U3P_USB_ENDPNT_DESCR,        /* Endpoint descriptor type */
    CTRL_ENDPOINT_CONSUMER,         /* Endpoint address and description */
    CY_U3P_USB_EP_BULK,             /* Bulk endpoint type */
    0x00,0x04,                      /* Max packet size = 1024 bytes */
    0x00,                           /* Servicing interval for data transfers : 0 for Bulk */

    /* Super speed endpoint companion descriptor for consumer EP */
    0x06,                           /* Descriptor size */
    CY_U3P_SS_EP_COMPN_DESCR,       /* SS endpoint companion descriptor type */
    (USB3_PACKETS_PER_BURST - 1),   /* Max no. of packets in a burst : 0: burst 1 packet at a time */
    0x00,                           /* Max streams for bulk EP = 0 (No streams) */
    0x00,0x00                       /* Service interval for the EP : 0 for bulk */
};


/* Standard Language ID String Descriptor */
const uint8_t b200_string_lang_id_desc[] __attribute__ ((aligned (32))) =
    {
        0x04,                           /* Descriptor Size */
        CY_U3P_USB_STRING_DESCR,        /* Device Descriptor Type */
        0x09,0x04                       /* Language ID supported */
    };


/* Standard Manufacturer String Descriptor */
const uint8_t b200_usb_manufacture_desc[] __attribute__ ((aligned (32))) =
    {
        0x26,                           /* Descriptor Size */
        CY_U3P_USB_STRING_DESCR,        /* Device Descriptor Type */
        'E',0x00,
        't',0x00,
        't',0x00,
        'u',0x00,
        's',0x00,
        ' ',0x00,
        'R',0x00,
        'e',0x00,
        's',0x00,
        'e',0x00,
        'a',0x00,
        'r',0x00,
        'c',0x00,
        'h',0x00,
        ' ',0x00,
        'L',0x00,
        'L',0x00,
        'C',0x00
    };

/* NI Manufacturer String Descriptor */
const uint8_t niusrp_usb_manufacture_desc[] __attribute__ ((aligned (32))) =
    {
        0x36,                           /* Descriptor Size */
        CY_U3P_USB_STRING_DESCR,        /* Device Descriptor Type */
        'N',0x00,
        'a',0x00,
        't',0x00,
        'i',0x00,
        'o',0x00,
        'n',0x00,
        'a',0x00,
        'l',0x00,
        ' ',0x00,
        'I',0x00,
        'n',0x00,
        's',0x00,
        't',0x00,
        'r',0x00,
        'u',0x00,
        'm',0x00,
        'e',0x00,
        'n',0x00,
        't',0x00,
        's',0x00,
        ' ',0x00,
        'C',0x00,
        'o',0x00,
        'r',0x00,
        'p',0x00,
        '.',0x00
    };


/* Standard Product String Descriptor */
const uint8_t b200_usb_product_desc[] __attribute__ ((aligned (32))) =
    {
        0x14,                           /* Descriptor Size */
        CY_U3P_USB_STRING_DESCR,        /* Device Descriptor Type */
        'U',0x00,
        'S',0x00,
        'R',0x00,
        'P',0x00,
        ' ',0x00,
        'B',0x00,
        '2',0x00,
        '0',0x00,
        '0',0x00
    };

/* NI-USRP 2900 Product String Descriptor */
const uint8_t niusrp_2900_usb_product_desc[] __attribute__ ((aligned (32))) =
    {
        0x1A,                           /* Descriptor Size */
        CY_U3P_USB_STRING_DESCR,        /* Device Descriptor Type */
        'N',0x00,
        'I',0x00,
        ' ',0x00,
        'U',0x00,
        'S',0x00,
        'R',0x00,
        'P',0x00,
        '-',0x00,
        '2',0x00,
        '9',0x00,
        '0',0x00,
        '0',0x00
    };

/* NI-USRP 2901 Product String Descriptor */
const uint8_t niusrp_2901_usb_product_desc[] __attribute__ ((aligned (32))) =
    {
        0x1A,                           /* Descriptor Size */
        CY_U3P_USB_STRING_DESCR,        /* Device Descriptor Type */
        'N',0x00,
        'I',0x00,
        ' ',0x00,
        'U',0x00,
        'S',0x00,
        'R',0x00,
        'P',0x00,
        '-',0x00,
        '2',0x00,
        '9',0x00,
        '0',0x00,
        '1',0x00
    };

const uint8_t unknown_desc[] __attribute__ ((aligned (32))) =
    {
        0x10,                           /* Descriptor Size */
        CY_U3P_USB_STRING_DESCR,        /* Device Descriptor Type */
        'U',0x00,
        'n',0x00,
        'k',0x00,
        'n',0x00,
        'o',0x00,
        'w',0x00,
        'n',0x00
    };

/* Microsoft OS Descriptor. */
const uint8_t CyFxUsbOSDscr[] __attribute__ ((aligned (32))) =
{
    0x10,
    CY_U3P_USB_STRING_DESCR,
    'O', 0x00,
    'S', 0x00,
    ' ', 0x00,
    'D', 0x00,
    'e', 0x00,
    's', 0x00,
    'c', 0x00
};

uint8_t dev_serial[20] __attribute__ ((aligned (32))) =
{
    0x14,
    CY_U3P_USB_STRING_DESCR,
    '0', 0x00,
    '0', 0x00,
    '0', 0x00,
    '0', 0x00,
    '0', 0x00,
    '0', 0x00,
    '0', 0x00,
    '0', 0x00,
    '0', 0x00
};

/* Place this buffer as the last buffer so that no other variable / code shares
 * the same cache line. Do not add any other variables / arrays in this file.
 * This will lead to variables sharing the same cache line. */
const uint8_t CyFxUsbDscrAlignBuffer[32] __attribute__ ((aligned (32)));