/*****************************************************************************
 * Copyright (c) 2022, Nsing Technologies Pte. Ltd.
 *
 * All rights reserved.
 * ****************************************************************************
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the disclaimer below.
 *
 * Nsing' name may not be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY Nsing "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * DISCLAIMED. IN NO EVENT SHALL Nsing BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ****************************************************************************/

/**
 * @file usb_desc.c
 * @author Nsing
 * @version V1.2.2
 *
 * @copyright Copyright (c) 2022, Nsing Technologies Pte. Ltd. All rights reserved.
 */

/* Includes ------------------------------------------------------------------*/
#include "usb_lib.h"
#include "usb_desc.h"

/* USB Standard Device Descriptor */
const uint8_t Virtual_Com_Port_DeviceDescriptor[] =
{
    0x12,   /* bLength */
    USB_DEVICE_DESCRIPTOR_TYPE,     /* bDescriptorType */
    0x00,
    0x02,   /* bcdUSB = 2.00 */
    0x02,   /* bDeviceClass: CDC */
    0x00,   /* bDeviceSubClass */
    0x00,   /* bDeviceProtocol */
    0x40,   /* bMaxPacketSize0 */
    0xF5,   /*idVendor (0x19F5)*/
    0x19,
    0x40,
    0x57,   /* idProduct = 0x5740 */
    0x00,
    0x02,   /* bcdDevice = 2.00 */
    1,              /* Index of string descriptor describing manufacturer */
    2,              /* Index of string descriptor describing product */
    3,              /* Index of string descriptor describing the device's serial number */
    0x01    /* bNumConfigurations */
};

const uint8_t Virtual_Com_Port_ConfigDescriptor[] =
{
    /*Configuration Descriptor*/
    0x09,   /* bLength: Configuration Descriptor size */
    USB_CONFIGURATION_DESCRIPTOR_TYPE,      /* bDescriptorType: Configuration */
    VIRTUAL_COM_PORT_SIZ_CONFIG_DESC,       /* wTotalLength:no of returned bytes */
    0x00,
    0x02,   /* bNumInterfaces: 2 interface */
    0x01,   /* bConfigurationValue: Configuration value */
    0x00,   /* iConfiguration: Index of string descriptor describing the configuration */
    0xC0,   /* bmAttributes: self powered */
    0x32,   /* MaxPower 0 mA */
    /*Interface Descriptor*/
    0x09,   /* bLength: Interface Descriptor size */
    USB_INTERFACE_DESCRIPTOR_TYPE,  /* bDescriptorType: Interface */
    /* Interface descriptor type */
    0x00,   /* bInterfaceNumber: Number of Interface */
    0x00,   /* bAlternateSetting: Alternate setting */
    0x01,   /* bNumEndpoints: One endpoints used */
    0x02,   /* bInterfaceClass: Communication Interface Class */
    0x02,   /* bInterfaceSubClass: Abstract Control Model */
    0x01,   /* bInterfaceProtocol: Common AT commands */
    0x00,   /* iInterface: */
    /*Header Functional Descriptor*/
    0x05,   /* bLength: Endpoint Descriptor size */
    0x24,   /* bDescriptorType: CS_INTERFACE */
    0x00,   /* bDescriptorSubtype: Header Func Desc */
    0x10,   /* bcdCDC: spec release number */
    0x01,
    /*Call Management Functional Descriptor*/
    0x05,   /* bFunctionLength */
    0x24,   /* bDescriptorType: CS_INTERFACE */
    0x01,   /* bDescriptorSubtype: Call Management Func Desc */
    0x00,   /* bmCapabilities: D0+D1 */
    0x01,   /* bDataInterface: 1 */
    /*ACM Functional Descriptor*/
    0x04,   /* bFunctionLength */
    0x24,   /* bDescriptorType: CS_INTERFACE */
    0x02,   /* bDescriptorSubtype: Abstract Control Management desc */
    0x02,   /* bmCapabilities */
    /*Union Functional Descriptor*/
    0x05,   /* bFunctionLength */
    0x24,   /* bDescriptorType: CS_INTERFACE */
    0x06,   /* bDescriptorSubtype: Union func desc */
    0x00,   /* bMasterInterface: Communication class interface */
    0x01,   /* bSlaveInterface0: Data Class Interface */
    /*Endpoint 2 Descriptor*/
    0x07,   /* bLength: Endpoint Descriptor size */
    USB_ENDPOINT_DESCRIPTOR_TYPE,   /* bDescriptorType: Endpoint */
    0x82,   /* bEndpointAddress: (IN2) */
    0x03,   /* bmAttributes: Interrupt */
    VIRTUAL_COM_PORT_INT_SIZE,      /* wMaxPacketSize: */
    0x00,
    0xFF,   /* bInterval: */
    /*Data class interface descriptor*/
    0x09,   /* bLength: Endpoint Descriptor size */
    USB_INTERFACE_DESCRIPTOR_TYPE,  /* bDescriptorType: */
    0x01,   /* bInterfaceNumber: Number of Interface */
    0x00,   /* bAlternateSetting: Alternate setting */
    0x02,   /* bNumEndpoints: Two endpoints used */
    0x0A,   /* bInterfaceClass: CDC */
    0x00,   /* bInterfaceSubClass: */
    0x00,   /* bInterfaceProtocol: */
    0x00,   /* iInterface: */
    /*Endpoint 3 Descriptor*/
    0x07,   /* bLength: Endpoint Descriptor size */
    USB_ENDPOINT_DESCRIPTOR_TYPE,   /* bDescriptorType: Endpoint */
    0x03,   /* bEndpointAddress: (OUT3) */
    0x02,   /* bmAttributes: Bulk */
    VIRTUAL_COM_PORT_DATA_SIZE,             /* wMaxPacketSize: */
    0x00,
    0x00,   /* bInterval: ignore for Bulk transfer */
    /*Endpoint 1 Descriptor*/
    0x07,   /* bLength: Endpoint Descriptor size */
    USB_ENDPOINT_DESCRIPTOR_TYPE,   /* bDescriptorType: Endpoint */
    0x81,   /* bEndpointAddress: (IN1) */
    0x02,   /* bmAttributes: Bulk */
    VIRTUAL_COM_PORT_DATA_SIZE,             /* wMaxPacketSize: */
    0x00,
    0x00    /* bInterval */
};

/* USB String Descriptors */
const uint8_t Virtual_Com_Port_StringLangID[VIRTUAL_COM_PORT_SIZ_STRING_LANGID] =
{
    VIRTUAL_COM_PORT_SIZ_STRING_LANGID,
    USB_STRING_DESCRIPTOR_TYPE,
    0x09,
    0x04 /* LangID = 0x0409: U.S. English */
};

const uint8_t Virtual_Com_Port_StringVendor[VIRTUAL_COM_PORT_SIZ_STRING_VENDOR] =
{
    VIRTUAL_COM_PORT_SIZ_STRING_VENDOR,     /* Size of Vendor string */
    USB_STRING_DESCRIPTOR_TYPE,             /* bDescriptorType*/
    /* Manufacturer: "Nsing" */
    'N', 0, 'A', 0, 'T', 0, 'I', 0, 'O', 0, 'N', 0, 'S', 0
};

const uint8_t Virtual_Com_Port_StringProduct[VIRTUAL_COM_PORT_SIZ_STRING_PRODUCT] =
{
    VIRTUAL_COM_PORT_SIZ_STRING_PRODUCT,          /* bLength */
    USB_STRING_DESCRIPTOR_TYPE,        /* bDescriptorType */
    /* Product name: "N32L43x Port" */
    'N', 0, '3', 0, '2', 0, 'L', 0, '4', 0, '3', 0, 'x', 0, ' ', 0, 
    'P', 0, 'o', 0, 'r', 0, 't', 0, ' ', 0, ' ', 0
};

uint8_t Virtual_Com_Port_StringSerial[VIRTUAL_COM_PORT_SIZ_STRING_SERIAL] =
{
    VIRTUAL_COM_PORT_SIZ_STRING_SERIAL,           /* bLength */
    USB_STRING_DESCRIPTOR_TYPE,                   /* bDescriptorType */
    'N', 0, '3', 0, '2', 0, 'L', 0, '4', 0, '3', 0, 'x', 0,
};

