316 lines
11 KiB
C
316 lines
11 KiB
C
/**************************************************************************/
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/*!
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@file usb_desc.c
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@author hathach (tinyusb.org)
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@section LICENSE
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Software License Agreement (BSD License)
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Copyright (c) 2013, hathach (tinyusb.org)
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Copyright (c) 2018, Adafruit Industries (adafruit.com)
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the copyright holders nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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This file is part of the tinyusb stack.
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*/
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/**************************************************************************/
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#include "usb_desc.h"
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/*------------- Interface Numbering -------------*/
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enum {
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ITF_NUM_CDC = 0 ,
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ITF_NUM_CDC_DATA ,
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ITF_NUM_MSC ,
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ITF_NUM_TOTAL
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};
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enum {
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ITF_STR_LANGUAGE = 0 ,
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ITF_STR_MANUFACTURER ,
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ITF_STR_PRODUCT ,
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ITF_STR_SERIAL ,
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ITF_STR_CDC ,
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ITF_STR_MSC
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};
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/*------------- Endpoint Numbering & Size -------------*/
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#define _EP_IN(x) (0x80 | (x))
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#define _EP_OUT(x) (x)
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// CDC
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#define EP_CDC_NOTIF _EP_IN ( ITF_NUM_CDC+1 )
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#define EP_CDC_NOTIF_SIZE 8
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#define EP_CDC_OUT _EP_OUT( ITF_NUM_CDC+2 )
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#define EP_CDC_IN _EP_IN ( ITF_NUM_CDC+2 )
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// Mass Storage
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#define EP_MSC_OUT _EP_OUT( ITF_NUM_MSC+1 )
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#define EP_MSC_IN _EP_IN ( ITF_NUM_MSC+1 )
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//--------------------------------------------------------------------+
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// STRING DESCRIPTORS
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//--------------------------------------------------------------------+
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// Serial is 64-bit DeviceID -> 16 chars len
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uint16_t usb_desc_str_serial[1+16] = { TUD_DESC_STR_HEADER(16) };
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// array of pointer to string descriptors
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uint16_t const * const string_desc_arr [] =
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{
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// 0: is supported language = English
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TUD_DESC_STRCONV(0x0409),
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// 1: Manufacturer
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TUD_DESC_STRCONV('A','d','a','f','r','u','i','t',' ','I','n','d','u','s','t','r','i','e','s'),
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// 2: Product
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TUD_DESC_STRCONV('B','l','u','e','f','r','u','i','t',' ','n','R','F','5','2','8','4','0', ' ', 'D','F','U'),
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// 3: Serials TODO use chip ID
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usb_desc_str_serial,
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// 4: CDC Interface
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TUD_DESC_STRCONV('B','l','u','e','f','r','u','i','t',' ','S','e','r','i','a','l'),
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// 5: MSC Interface
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TUD_DESC_STRCONV('B','l','u','e','f','r','u','i','t',' ','U','F','2'),
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};
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//--------------------------------------------------------------------+
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// Device Descriptor
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//--------------------------------------------------------------------+
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tusb_desc_device_t usb_desc_dev =
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{
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.bLength = sizeof(tusb_desc_device_t),
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.bDescriptorType = TUSB_DESC_DEVICE,
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.bcdUSB = 0x0200,
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// Use Interface Association Descriptor (IAD) for CDC
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// As required by USB Specs IAD's subclass must be common class (2) and protocol must be IAD (1)
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.bDeviceClass = TUSB_CLASS_MISC,
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.bDeviceSubClass = MISC_SUBCLASS_COMMON,
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.bDeviceProtocol = MISC_PROTOCOL_IAD,
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.bMaxPacketSize0 = CFG_TUD_ENDOINT0_SIZE,
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.idVendor = USB_DESC_VID,
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.idProduct = USB_DESC_UF2_PID,
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.bcdDevice = 0x0100,
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.iManufacturer = 0x01,
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.iProduct = 0x02,
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.iSerialNumber = 0x03,
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.bNumConfigurations = 0x01
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};
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//--------------------------------------------------------------------+
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// Configuration Descriptor
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//--------------------------------------------------------------------+
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usb_desc_cfg_t usb_desc_cfg =
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{
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.config =
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{
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.bLength = sizeof(tusb_desc_configuration_t),
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.bDescriptorType = TUSB_DESC_CONFIGURATION,
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.wTotalLength = sizeof(usb_desc_cfg_t),
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.bNumInterfaces = ITF_NUM_TOTAL,
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.bConfigurationValue = 1,
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.iConfiguration = 0x00,
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.bmAttributes = TUSB_DESC_CONFIG_ATT_BUS_POWER,
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.bMaxPower = TUSB_DESC_CONFIG_POWER_MA(100)
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},
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// IAD points to CDC Interfaces
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.cdc =
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{
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.iad =
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{
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.bLength = sizeof(tusb_desc_interface_assoc_t),
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.bDescriptorType = TUSB_DESC_INTERFACE_ASSOCIATION,
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.bFirstInterface = ITF_NUM_CDC,
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.bInterfaceCount = 2,
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.bFunctionClass = TUSB_CLASS_CDC,
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.bFunctionSubClass = CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL,
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.bFunctionProtocol = CDC_COMM_PROTOCOL_ATCOMMAND,
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.iFunction = 0
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},
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//------------- CDC Communication Interface -------------//
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.comm_itf =
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{
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.bLength = sizeof(tusb_desc_interface_t),
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.bDescriptorType = TUSB_DESC_INTERFACE,
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.bInterfaceNumber = ITF_NUM_CDC,
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.bAlternateSetting = 0,
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.bNumEndpoints = 1,
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.bInterfaceClass = TUSB_CLASS_CDC,
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.bInterfaceSubClass = CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL,
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.bInterfaceProtocol = CDC_COMM_PROTOCOL_ATCOMMAND,
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.iInterface = ITF_STR_CDC
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},
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.header =
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{
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.bLength = sizeof(cdc_desc_func_header_t),
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.bDescriptorType = TUSB_DESC_CLASS_SPECIFIC,
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.bDescriptorSubType = CDC_FUNC_DESC_HEADER,
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.bcdCDC = 0x0120
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},
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.call =
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{
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.bLength = sizeof(cdc_desc_func_call_management_t),
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.bDescriptorType = TUSB_DESC_CLASS_SPECIFIC,
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.bDescriptorSubType = CDC_FUNC_DESC_CALL_MANAGEMENT,
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.bmCapabilities = { 0 },
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.bDataInterface = ITF_NUM_CDC+1,
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},
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.acm =
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{
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.bLength = sizeof(cdc_desc_func_acm_t),
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.bDescriptorType = TUSB_DESC_CLASS_SPECIFIC,
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.bDescriptorSubType = CDC_FUNC_DESC_ABSTRACT_CONTROL_MANAGEMENT,
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.bmCapabilities = { // 0x02
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.support_line_request = 1,
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}
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},
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.union_func =
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{
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.bLength = sizeof(cdc_desc_func_union_t), // plus number of
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.bDescriptorType = TUSB_DESC_CLASS_SPECIFIC,
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.bDescriptorSubType = CDC_FUNC_DESC_UNION,
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.bControlInterface = ITF_NUM_CDC,
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.bSubordinateInterface = ITF_NUM_CDC+1,
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},
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.ep_notif =
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{
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.bLength = sizeof(tusb_desc_endpoint_t),
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.bDescriptorType = TUSB_DESC_ENDPOINT,
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.bEndpointAddress = EP_CDC_NOTIF,
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.bmAttributes = { .xfer = TUSB_XFER_INTERRUPT },
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.wMaxPacketSize = { .size = EP_CDC_NOTIF_SIZE },
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.bInterval = 0x10
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},
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//------------- CDC Data Interface -------------//
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.data_itf =
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{
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.bLength = sizeof(tusb_desc_interface_t),
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.bDescriptorType = TUSB_DESC_INTERFACE,
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.bInterfaceNumber = ITF_NUM_CDC+1,
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.bAlternateSetting = 0x00,
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.bNumEndpoints = 2,
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.bInterfaceClass = TUSB_CLASS_CDC_DATA,
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.bInterfaceSubClass = 0,
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.bInterfaceProtocol = 0,
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.iInterface = 0x00
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},
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.ep_out =
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{
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.bLength = sizeof(tusb_desc_endpoint_t),
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.bDescriptorType = TUSB_DESC_ENDPOINT,
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.bEndpointAddress = EP_CDC_OUT,
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.bmAttributes = { .xfer = TUSB_XFER_BULK },
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.wMaxPacketSize = { .size = CFG_TUD_CDC_EPSIZE },
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.bInterval = 0
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},
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.ep_in =
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{
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.bLength = sizeof(tusb_desc_endpoint_t),
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.bDescriptorType = TUSB_DESC_ENDPOINT,
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.bEndpointAddress = EP_CDC_IN,
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.bmAttributes = { .xfer = TUSB_XFER_BULK },
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.wMaxPacketSize = { .size = CFG_TUD_CDC_EPSIZE },
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.bInterval = 0
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},
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},
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//------------- Mass Storage-------------//
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.msc =
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{
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.itf =
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{
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.bLength = sizeof(tusb_desc_interface_t),
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.bDescriptorType = TUSB_DESC_INTERFACE,
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.bInterfaceNumber = ITF_NUM_MSC,
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.bAlternateSetting = 0x00,
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.bNumEndpoints = 2,
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.bInterfaceClass = TUSB_CLASS_MSC,
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.bInterfaceSubClass = MSC_SUBCLASS_SCSI,
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.bInterfaceProtocol = MSC_PROTOCOL_BOT,
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.iInterface = ITF_STR_MSC
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},
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.ep_out =
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{
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.bLength = sizeof(tusb_desc_endpoint_t),
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.bDescriptorType = TUSB_DESC_ENDPOINT,
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.bEndpointAddress = EP_MSC_OUT,
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.bmAttributes = { .xfer = TUSB_XFER_BULK },
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.wMaxPacketSize = { .size = CFG_TUD_MSC_EPSIZE},
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.bInterval = 1
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},
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.ep_in =
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{
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.bLength = sizeof(tusb_desc_endpoint_t),
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.bDescriptorType = TUSB_DESC_ENDPOINT,
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.bEndpointAddress = EP_MSC_IN,
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.bmAttributes = { .xfer = TUSB_XFER_BULK },
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.wMaxPacketSize = { .size = CFG_TUD_MSC_EPSIZE},
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.bInterval = 1
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}
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}
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};
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// tud_desc_set is required by tinyusb stack
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// since CFG_TUD_DESC_AUTO is enabled, we only need to set string_arr
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tud_desc_set_t tud_desc_set =
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{
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.device = &usb_desc_dev,
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.config = &usb_desc_cfg,
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.string_arr = (uint8_t const **) string_desc_arr,
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.string_count = sizeof(string_desc_arr)/sizeof(string_desc_arr[0]),
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.hid_report =
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{
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.generic = NULL,
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.boot_keyboard = NULL,
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.boot_mouse = NULL
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}
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};
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