/* 
 * The MIT License (MIT)
 *
 * Copyright (c) 2018, hathach (tinyusb.org)
 *
 * 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.
 *
 * This file is part of the TinyUSB stack.
 */

#include "tusb_option.h"
#include "descriptor_cdc.h"

//--------------------------------------------------------------------+
// CDC Serials
//--------------------------------------------------------------------+
CFG_TUSB_MEM_SECTION
const cdc_configuration_desc_t cdc_config_descriptor =
{
    .configuration =
    {
        .bLength             = sizeof(tusb_desc_configuration_t),
        .bDescriptorType     = TUSB_DESC_TYPE_CONFIGURATION,

        .wTotalLength        = sizeof(cdc_configuration_desc_t),
        .bNumInterfaces      = 2,

        .bConfigurationValue = 1,
        .iConfiguration      = 0x00,
        .bmAttributes        = TUSB_DESC_CONFIG_ATT_BUS_POWER,
        .bMaxPower           = TUSB_DESC_CONFIG_POWER_MA(100)
    },

    // IAD points to CDC Interfaces
    .cdc_iad =
    {
        .bLength           = sizeof(tusb_desc_interface_assoc_t),
        .bDescriptorType   = TUSB_DESC_TYPE_INTERFACE_ASSOCIATION,

        .bFirstInterface   = 1,
        .bInterfaceCount   = 2,

        .bFunctionClass    = TUSB_CLASS_CDC,
        .bFunctionSubClass = CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL,
        .bFunctionProtocol = CDC_COMM_PROTOCOL_ATCOMMAND,

        .iFunction         = 0
    },


    // USB CDC Serial Interface
    //------------- CDC Communication Interface -------------//
    .cdc_comm_interface =
    {
        .bLength            = sizeof(tusb_desc_interface_t),
        .bDescriptorType    = TUSB_DESC_TYPE_INTERFACE,
        .bInterfaceNumber   = 1,
        .bAlternateSetting  = 0,
        .bNumEndpoints      = 1,
        .bInterfaceClass    = TUSB_CLASS_CDC,
        .bInterfaceSubClass = CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL,
        .bInterfaceProtocol = CDC_COMM_PROTOCOL_ATCOMMAND,
        .iInterface         = 0x00
    },

    .cdc_header =
    {
        .bLength            = sizeof(cdc_desc_func_header_t),
        .bDescriptorType    = TUSB_DESC_TYPE_INTERFACE_CLASS_SPECIFIC,
        .bDescriptorSubType = CDC_FUNC_DESC_HEADER,
        .bcdCDC             = 0x0120
    },

    .cdc_acm =
    {
        .bLength            = sizeof(cdc_desc_func_acm_t),
        .bDescriptorType    = TUSB_DESC_TYPE_INTERFACE_CLASS_SPECIFIC,
        .bDescriptorSubType = CDC_FUNC_DESC_ABSTRACT_CONTROL_MANAGEMENT,
        .bmCapabilities     = { // 0x06
            .support_line_request = 1,
            .support_send_break   = 1
        }
    },

    .cdc_union =
    {
        .bLength                  = sizeof(cdc_desc_func_union_t), // plus number of
        .bDescriptorType          = TUSB_DESC_TYPE_INTERFACE_CLASS_SPECIFIC,
        .bDescriptorSubType       = CDC_FUNC_DESC_UNION,
        .bControlInterface        = 1,
        .bSubordinateInterface    = 2,
    },

    .cdc_endpoint_notification =
    {
        .bLength          = sizeof(tusb_desc_endpoint_t),
        .bDescriptorType  = TUSB_DESC_TYPE_ENDPOINT,
        .bEndpointAddress = 0x81,
        .bmAttributes     = { .xfer = TUSB_XFER_INTERRUPT },
        .wMaxPacketSize   = 8,
        .bInterval        = 0x0a // lowest polling rate
    },

    //------------- CDC Data Interface -------------//
    .cdc_data_interface =
    {
        .bLength            = sizeof(tusb_desc_interface_t),
        .bDescriptorType    = TUSB_DESC_TYPE_INTERFACE,
        .bInterfaceNumber   = 2,
        .bAlternateSetting  = 0x00,
        .bNumEndpoints      = 2,
        .bInterfaceClass    = TUSB_CLASS_CDC_DATA,
        .bInterfaceSubClass = 0,
        .bInterfaceProtocol = 0,
        .iInterface         = 0x00
    },

    .cdc_endpoint_out =
    {
        .bLength          = sizeof(tusb_desc_endpoint_t),
        .bDescriptorType  = TUSB_DESC_TYPE_ENDPOINT,
        .bEndpointAddress = 2,
        .bmAttributes     = { .xfer = TUSB_XFER_BULK },
        .wMaxPacketSize   = 64,
        .bInterval        = 0
    },

    .cdc_endpoint_in =
    {
        .bLength          = sizeof(tusb_desc_endpoint_t),
        .bDescriptorType  = TUSB_DESC_TYPE_ENDPOINT,
        .bEndpointAddress = 0x82,
        .bmAttributes     = { .xfer = TUSB_XFER_BULK },
        .wMaxPacketSize   = 64,
        .bInterval        = 0
    },
};

//--------------------------------------------------------------------+
// CDC RNSID
//--------------------------------------------------------------------+

CFG_TUSB_MEM_SECTION
const cdc_configuration_desc_t rndis_config_descriptor =
{
    .configuration =
    {
        .bLength             = sizeof(tusb_desc_configuration_t),
        .bDescriptorType     = TUSB_DESC_TYPE_CONFIGURATION,

        .wTotalLength        = sizeof(cdc_configuration_desc_t),
        .bNumInterfaces      = 2,

        .bConfigurationValue = 1,
        .iConfiguration      = 0x00,
        .bmAttributes        = TUSB_DESC_CONFIG_ATT_BUS_POWER,
        .bMaxPower           = TUSB_DESC_CONFIG_POWER_MA(100)
    },

    // IAD points to CDC Interfaces
    .cdc_iad =
    {
        .bLength           = sizeof(tusb_desc_interface_assoc_t),
        .bDescriptorType   = TUSB_DESC_TYPE_INTERFACE_ASSOCIATION,

        .bFirstInterface   = 1,
        .bInterfaceCount   = 2,

        .bFunctionClass    = TUSB_CLASS_CDC,
        .bFunctionSubClass = CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL,
        .bFunctionProtocol = 0,

        .iFunction         = 0
    },


    // USB CDC Serial Interface
    //------------- CDC Communication Interface -------------//
    .cdc_comm_interface =
    {
        .bLength            = sizeof(tusb_desc_interface_t),
        .bDescriptorType    = TUSB_DESC_TYPE_INTERFACE,
        .bInterfaceNumber   = 1,
        .bAlternateSetting  = 0,
        .bNumEndpoints      = 1,
        .bInterfaceClass    = TUSB_CLASS_CDC,
        .bInterfaceSubClass = CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL,
        .bInterfaceProtocol = 0xff, // RNDIS is vendor specific protocol
        .iInterface         = 0x00
    },

    .cdc_header =
    {
        .bLength            = sizeof(cdc_desc_func_header_t),
        .bDescriptorType    = TUSB_DESC_TYPE_INTERFACE_CLASS_SPECIFIC,
        .bDescriptorSubType = CDC_FUNC_DESC_HEADER,
        .bcdCDC             = 0x0120
    },

    .cdc_acm =
    {
        .bLength            = sizeof(cdc_desc_func_acm_t),
        .bDescriptorType    = TUSB_DESC_TYPE_INTERFACE_CLASS_SPECIFIC,
        .bDescriptorSubType = CDC_FUNC_DESC_ABSTRACT_CONTROL_MANAGEMENT,
        .bmCapabilities     = { 0 }
    },

    .cdc_union =
    {
        .bLength                  = sizeof(cdc_desc_func_union_t), // plus number of
        .bDescriptorType          = TUSB_DESC_TYPE_INTERFACE_CLASS_SPECIFIC,
        .bDescriptorSubType       = CDC_FUNC_DESC_UNION,
        .bControlInterface        = 1,
        .bSubordinateInterface    = 2,
    },

    .cdc_endpoint_notification =
    {
        .bLength          = sizeof(tusb_desc_endpoint_t),
        .bDescriptorType  = TUSB_DESC_TYPE_ENDPOINT,
        .bEndpointAddress = 0x81,
        .bmAttributes     = { .xfer = TUSB_XFER_INTERRUPT },
        .wMaxPacketSize   = 8,
        .bInterval        = 0x0a // lowest polling rate
    },

    //------------- CDC Data Interface -------------//
    .cdc_data_interface =
    {
        .bLength            = sizeof(tusb_desc_interface_t),
        .bDescriptorType    = TUSB_DESC_TYPE_INTERFACE,
        .bInterfaceNumber   = 2,
        .bAlternateSetting  = 0x00,
        .bNumEndpoints      = 2,
        .bInterfaceClass    = TUSB_CLASS_CDC_DATA,
        .bInterfaceSubClass = 0,
        .bInterfaceProtocol = 0,
        .iInterface         = 0x00
    },

    .cdc_endpoint_out =
    {
        .bLength          = sizeof(tusb_desc_endpoint_t),
        .bDescriptorType  = TUSB_DESC_TYPE_ENDPOINT,
        .bEndpointAddress = 2,
        .bmAttributes     = { .xfer = TUSB_XFER_BULK },
        .wMaxPacketSize   = 512,
        .bInterval        = 0
    },

    .cdc_endpoint_in =
    {
        .bLength          = sizeof(tusb_desc_endpoint_t),
        .bDescriptorType  = TUSB_DESC_TYPE_ENDPOINT,
        .bEndpointAddress = 0x82,
        .bmAttributes     = { .xfer = TUSB_XFER_BULK },
        .wMaxPacketSize   = 512,
        .bInterval        = 0
    },
};