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teensy-cores/teensy4/usb_desc.c

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  1. /* Teensyduino Core Library

  2.  * http://www.pjrc.com/teensy/

  3.  * Copyright (c) 2017 PJRC.COM, LLC.

  4.  *

  5.  * Permission is hereby granted, free of charge, to any person obtaining

  6.  * a copy of this software and associated documentation files (the

  7.  * "Software"), to deal in the Software without restriction, including

  8.  * without limitation the rights to use, copy, modify, merge, publish,

  9.  * distribute, sublicense, and/or sell copies of the Software, and to

  10.  * permit persons to whom the Software is furnished to do so, subject to

  11.  * the following conditions:

  12.  *

  13.  * 1. The above copyright notice and this permission notice shall be

  14.  * included in all copies or substantial portions of the Software.

  15.  *

  16.  * 2. If the Software is incorporated into a build system that allows

  17.  * selection among a list of target devices, then similar target

  18.  * devices manufactured by PJRC.COM must be included in the list of

  19.  * target devices and selectable in the same manner.

  20.  *

  21.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

  22.  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

  23.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

  24.  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS

  25.  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

  26.  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

  27.  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

  28.  * SOFTWARE.

  29.  */

  30. 

  31. //#if F_CPU >= 20000000

  32. 

  33. #define USB_DESC_LIST_DEFINE

  34. #include "usb_desc.h"

  35. #ifdef NUM_ENDPOINTS

  36. #include "usb_names.h"

  37. #include "imxrt.h"

  38. #include "avr_functions.h"

  39. 

  40. // USB Descriptors are binary data which the USB host reads to

  41. // automatically detect a USB device's capabilities.  The format

  42. // and meaning of every field is documented in numerous USB

  43. // standards.  When working with USB descriptors, despite the

  44. // complexity of the standards and poor writing quality in many

  45. // of those documents, remember descriptors are nothing more

  46. // than constant binary data that tells the USB host what the

  47. // device can do.  Computers will load drivers based on this data.

  48. // Those drivers then communicate on the endpoints specified by

  49. // the descriptors.

  50. 

  51. // To configure a new combination of interfaces or make minor

  52. // changes to existing configuration (eg, change the name or ID

  53. // numbers), usually you would edit "usb_desc.h".  This file

  54. // is meant to be configured by the header, so generally it is

  55. // only edited to add completely new USB interfaces or features.

  56. 

  57. 

  58. 

  59. // **************************************************************

  60. //   USB Device

  61. // **************************************************************

  62. 

  63. #define LSB(n) ((n) & 255)

  64. #define MSB(n) (((n) >> 8) & 255)

  65. 

  66. // USB Device Descriptor.  The USB host reads this first, to learn

  67. // what type of device is connected.

  68. static uint8_t device_descriptor[] = {

  69.         18,                                     // bLength

  70.         1,                                      // bDescriptorType

  71.         0x00, 0x02,                             // bcdUSB

  72. #ifdef DEVICE_CLASS

  73.         DEVICE_CLASS,                           // bDeviceClass

  74. #else

  75. 	0,

  76. #endif

  77. #ifdef DEVICE_SUBCLASS

  78.         DEVICE_SUBCLASS,                        // bDeviceSubClass

  79. #else

  80. 	0,

  81. #endif

  82. #ifdef DEVICE_PROTOCOL

  83.         DEVICE_PROTOCOL,                        // bDeviceProtocol

  84. #else

  85. 	0,

  86. #endif

  87.         EP0_SIZE,                               // bMaxPacketSize0

  88.         LSB(VENDOR_ID), MSB(VENDOR_ID),         // idVendor

  89.         LSB(PRODUCT_ID), MSB(PRODUCT_ID),       // idProduct

  90. #ifdef BCD_DEVICE

  91. 	LSB(BCD_DEVICE), MSB(BCD_DEVICE),       // bcdDevice

  92. #else

  93.   // For USB types that don't explicitly define BCD_DEVICE,

  94.   // use the minor version number to help teensy_ports

  95.   // identify which Teensy model is used.

  96.   #if defined(__MKL26Z64__)

  97.         0x73, 0x02,

  98.   #elif defined(__MK20DX128__)

  99.         0x74, 0x02,

  100.   #elif defined(__MK20DX256__)

  101.         0x75, 0x02,

  102.   #elif defined(__MK64FX512__)

  103.         0x76, 0x02,

  104.   #elif defined(__MK66FX1M0__)

  105.         0x77, 0x02,

  106.   #elif defined(__IMXRT1052__)

  107.         0x78, 0x02, // Teensy 4.0 Beta #1

  108.   #else

  109.         0x79, 0x02, // Teensy 4.0 Beta #2

  110.         //0x00, 0x02,

  111.   #endif

  112. #endif

  113.         1,                                      // iManufacturer

  114.         2,                                      // iProduct

  115.         3,                                      // iSerialNumber

  116.         1                                       // bNumConfigurations

  117. };

  118. 

  119. static uint8_t qualifier_descriptor[] = {	// 9.6.2 Device_Qualifier, page 264

  120. 	10,					// bLength

  121. 	6,					// bDescriptorType

  122. 	0x00, 0x02,				// bcdUSB

  123. #ifdef DEVICE_CLASS

  124.         DEVICE_CLASS,                           // bDeviceClass

  125. #else

  126. 	0,

  127. #endif

  128. #ifdef DEVICE_SUBCLASS

  129.         DEVICE_SUBCLASS,                        // bDeviceSubClass

  130. #else

  131. 	0,

  132. #endif

  133. #ifdef DEVICE_PROTOCOL

  134.         DEVICE_PROTOCOL,                        // bDeviceProtocol

  135. #else

  136. 	0,

  137. #endif

  138.         EP0_SIZE,                               // bMaxPacketSize0

  139.         1,					// bNumConfigurations

  140.         0                                       // bReserved

  141. };

  142. 

  143. // These descriptors must NOT be "const", because the USB DMA

  144. // has trouble accessing flash memory with enough bandwidth

  145. // while the processor is executing from flash.

  146. 

  147. 

  148. 

  149. // **************************************************************

  150. //   HID Report Descriptors

  151. // **************************************************************

  152. 

  153. // Each HID interface needs a special report descriptor that tells

  154. // the meaning and format of the data.

  155. 

  156. #ifdef KEYBOARD_INTERFACE

  157. // Keyboard Protocol 1, HID 1.11 spec, Appendix B, page 59-60

  158. static uint8_t keyboard_report_desc[] = {

  159.         0x05, 0x01,                     // Usage Page (Generic Desktop),

  160.         0x09, 0x06,                     // Usage (Keyboard),

  161.         0xA1, 0x01,                     // Collection (Application),

  162.         0x75, 0x01,                     //   Report Size (1),

  163.         0x95, 0x08,                     //   Report Count (8),

  164.         0x05, 0x07,                     //   Usage Page (Key Codes),

  165.         0x19, 0xE0,                     //   Usage Minimum (224),

  166.         0x29, 0xE7,                     //   Usage Maximum (231),

  167.         0x15, 0x00,                     //   Logical Minimum (0),

  168.         0x25, 0x01,                     //   Logical Maximum (1),

  169.         0x81, 0x02,                     //   Input (Data, Variable, Absolute), ;Modifier keys

  170.         0x95, 0x01,                     //   Report Count (1),

  171.         0x75, 0x08,                     //   Report Size (8),

  172.         0x81, 0x03,                     //   Input (Constant),          ;Reserved byte

  173.         0x95, 0x05,                     //   Report Count (5),

  174.         0x75, 0x01,                     //   Report Size (1),

  175.         0x05, 0x08,                     //   Usage Page (LEDs),

  176.         0x19, 0x01,                     //   Usage Minimum (1),

  177.         0x29, 0x05,                     //   Usage Maximum (5),

  178.         0x91, 0x02,                     //   Output (Data, Variable, Absolute), ;LED report

  179.         0x95, 0x01,                     //   Report Count (1),

  180.         0x75, 0x03,                     //   Report Size (3),

  181.         0x91, 0x03,                     //   Output (Constant),         ;LED report padding

  182.         0x95, 0x06,                     //   Report Count (6),

  183.         0x75, 0x08,                     //   Report Size (8),

  184.         0x15, 0x00,                     //   Logical Minimum (0),

  185.         0x25, 0x7F,                     //   Logical Maximum(104),

  186.         0x05, 0x07,                     //   Usage Page (Key Codes),

  187.         0x19, 0x00,                     //   Usage Minimum (0),

  188.         0x29, 0x7F,                     //   Usage Maximum (104),

  189.         0x81, 0x00,                     //   Input (Data, Array),       ;Normal keys

  190.         0xC0                            // End Collection

  191. };

  192. #endif

  193. 

  194. #ifdef KEYMEDIA_INTERFACE

  195. static uint8_t keymedia_report_desc[] = {

  196.         0x05, 0x0C,                     // Usage Page (Consumer)

  197.         0x09, 0x01,                     // Usage (Consumer Controls)

  198.         0xA1, 0x01,                     // Collection (Application)

  199.         0x75, 0x0A,                     //   Report Size (10)

  200.         0x95, 0x04,                     //   Report Count (4)

  201.         0x19, 0x00,                     //   Usage Minimum (0)

  202.         0x2A, 0x9C, 0x02,               //   Usage Maximum (0x29C)

  203.         0x15, 0x00,                     //   Logical Minimum (0)

  204.         0x26, 0x9C, 0x02,               //   Logical Maximum (0x29C)

  205.         0x81, 0x00,                     //   Input (Data, Array)

  206.         0x05, 0x01,                     //   Usage Page (Generic Desktop)

  207.         0x75, 0x08,                     //   Report Size (8)

  208.         0x95, 0x03,                     //   Report Count (3)

  209.         0x19, 0x00,                     //   Usage Minimum (0)

  210.         0x29, 0xB7,                     //   Usage Maximum (0xB7)

  211.         0x15, 0x00,                     //   Logical Minimum (0)

  212.         0x26, 0xB7, 0x00,               //   Logical Maximum (0xB7)

  213.         0x81, 0x00,                     //   Input (Data, Array)

  214.         0xC0                            // End Collection

  215. };

  216. #endif

  217. 

  218. #ifdef MOUSE_INTERFACE

  219. // Mouse Protocol 1, HID 1.11 spec, Appendix B, page 59-60, with wheel extension

  220. static uint8_t mouse_report_desc[] = {

  221.         0x05, 0x01,                     // Usage Page (Generic Desktop)

  222.         0x09, 0x02,                     // Usage (Mouse)

  223.         0xA1, 0x01,                     // Collection (Application)

  224.         0x85, 0x01,                     //   REPORT_ID (1)

  225.         0x05, 0x09,                     //   Usage Page (Button)

  226.         0x19, 0x01,                     //   Usage Minimum (Button #1)

  227.         0x29, 0x08,                     //   Usage Maximum (Button #8)

  228.         0x15, 0x00,                     //   Logical Minimum (0)

  229.         0x25, 0x01,                     //   Logical Maximum (1)

  230.         0x95, 0x08,                     //   Report Count (8)

  231.         0x75, 0x01,                     //   Report Size (1)

  232.         0x81, 0x02,                     //   Input (Data, Variable, Absolute)

  233.         0x05, 0x01,                     //   Usage Page (Generic Desktop)

  234.         0x09, 0x30,                     //   Usage (X)

  235.         0x09, 0x31,                     //   Usage (Y)

  236.         0x09, 0x38,                     //   Usage (Wheel)

  237.         0x15, 0x81,                     //   Logical Minimum (-127)

  238.         0x25, 0x7F,                     //   Logical Maximum (127)

  239.         0x75, 0x08,                     //   Report Size (8),

  240.         0x95, 0x03,                     //   Report Count (3),

  241.         0x81, 0x06,                     //   Input (Data, Variable, Relative)

  242.         0x05, 0x0C,                     //   Usage Page (Consumer)

  243.         0x0A, 0x38, 0x02,               //   Usage (AC Pan)

  244.         0x15, 0x81,                     //   Logical Minimum (-127)

  245.         0x25, 0x7F,                     //   Logical Maximum (127)

  246.         0x75, 0x08,                     //   Report Size (8),

  247.         0x95, 0x01,                     //   Report Count (1),

  248.         0x81, 0x06,                     //   Input (Data, Variable, Relative)

  249.         0xC0,                           // End Collection

  250.         0x05, 0x01,                     // Usage Page (Generic Desktop)

  251.         0x09, 0x02,                     // Usage (Mouse)

  252.         0xA1, 0x01,                     // Collection (Application)

  253.         0x85, 0x02,                     //   REPORT_ID (2)

  254.         0x05, 0x01,                     //   Usage Page (Generic Desktop)

  255.         0x09, 0x30,                     //   Usage (X)

  256.         0x09, 0x31,                     //   Usage (Y)

  257.         0x15, 0x00,                     //   Logical Minimum (0)

  258.         0x26, 0xFF, 0x7F,               //   Logical Maximum (32767)

  259.         0x75, 0x10,                     //   Report Size (16),

  260.         0x95, 0x02,                     //   Report Count (2),

  261.         0x81, 0x02,                     //   Input (Data, Variable, Absolute)

  262.         0xC0                            // End Collection

  263. };

  264. #endif

  265. 

  266. #ifdef JOYSTICK_INTERFACE

  267. #if JOYSTICK_SIZE == 12

  268. static uint8_t joystick_report_desc[] = {

  269.         0x05, 0x01,                     // Usage Page (Generic Desktop)

  270.         0x09, 0x04,                     // Usage (Joystick)

  271.         0xA1, 0x01,                     // Collection (Application)

  272.         0x15, 0x00,                     //   Logical Minimum (0)

  273.         0x25, 0x01,                     //   Logical Maximum (1)

  274.         0x75, 0x01,                     //   Report Size (1)

  275.         0x95, 0x20,                     //   Report Count (32)

  276.         0x05, 0x09,                     //   Usage Page (Button)

  277.         0x19, 0x01,                     //   Usage Minimum (Button #1)

  278.         0x29, 0x20,                     //   Usage Maximum (Button #32)

  279.         0x81, 0x02,                     //   Input (variable,absolute)

  280.         0x15, 0x00,                     //   Logical Minimum (0)

  281.         0x25, 0x07,                     //   Logical Maximum (7)

  282.         0x35, 0x00,                     //   Physical Minimum (0)

  283.         0x46, 0x3B, 0x01,               //   Physical Maximum (315)

  284.         0x75, 0x04,                     //   Report Size (4)

  285.         0x95, 0x01,                     //   Report Count (1)

  286.         0x65, 0x14,                     //   Unit (20)

  287.         0x05, 0x01,                     //   Usage Page (Generic Desktop)

  288.         0x09, 0x39,                     //   Usage (Hat switch)

  289.         0x81, 0x42,                     //   Input (variable,absolute,null_state)

  290.         0x05, 0x01,                     //   Usage Page (Generic Desktop)

  291.         0x09, 0x01,                     //   Usage (Pointer)

  292.         0xA1, 0x00,                     //   Collection ()

  293.         0x15, 0x00,                     //     Logical Minimum (0)

  294.         0x26, 0xFF, 0x03,               //     Logical Maximum (1023)

  295.         0x75, 0x0A,                     //     Report Size (10)

  296.         0x95, 0x04,                     //     Report Count (4)

  297.         0x09, 0x30,                     //     Usage (X)

  298.         0x09, 0x31,                     //     Usage (Y)

  299.         0x09, 0x32,                     //     Usage (Z)

  300.         0x09, 0x35,                     //     Usage (Rz)

  301.         0x81, 0x02,                     //     Input (variable,absolute)

  302.         0xC0,                           //   End Collection

  303.         0x15, 0x00,                     //   Logical Minimum (0)

  304.         0x26, 0xFF, 0x03,               //   Logical Maximum (1023)

  305.         0x75, 0x0A,                     //   Report Size (10)

  306.         0x95, 0x02,                     //   Report Count (2)

  307.         0x09, 0x36,                     //   Usage (Slider)

  308.         0x09, 0x36,                     //   Usage (Slider)

  309.         0x81, 0x02,                     //   Input (variable,absolute)

  310.         0xC0                            // End Collection

  311. };

  312. #elif JOYSTICK_SIZE == 64

  313. // extreme joystick  (to use this, edit JOYSTICK_SIZE to 64 in usb_desc.h)

  314. //  128 buttons   16

  315. //    6 axes      12

  316. //   17 sliders   34

  317. //    4 pov        2

  318. static uint8_t joystick_report_desc[] = {

  319.         0x05, 0x01,                     // Usage Page (Generic Desktop)

  320.         0x09, 0x04,                     // Usage (Joystick)

  321.         0xA1, 0x01,                     // Collection (Application)

  322.         0x15, 0x00,                     // Logical Minimum (0)

  323.         0x25, 0x01,                     // Logical Maximum (1)

  324.         0x75, 0x01,                     // Report Size (1)

  325.         0x95, 0x80,                     // Report Count (128)

  326.         0x05, 0x09,                     // Usage Page (Button)

  327.         0x19, 0x01,                     // Usage Minimum (Button #1)

  328.         0x29, 0x80,                     // Usage Maximum (Button #128)

  329.         0x81, 0x02,                     // Input (variable,absolute)

  330.         0x05, 0x01,                     // Usage Page (Generic Desktop)

  331.         0x09, 0x01,                     // Usage (Pointer)

  332.         0xA1, 0x00,                     // Collection ()

  333.         0x15, 0x00,                     // Logical Minimum (0)

  334.         0x27, 0xFF, 0xFF, 0, 0,         // Logical Maximum (65535)

  335.         0x75, 0x10,                     // Report Size (16)

  336.         0x95, 23,                       // Report Count (23)

  337.         0x09, 0x30,                     // Usage (X)

  338.         0x09, 0x31,                     // Usage (Y)

  339.         0x09, 0x32,                     // Usage (Z)

  340.         0x09, 0x33,                     // Usage (Rx)

  341.         0x09, 0x34,                     // Usage (Ry)

  342.         0x09, 0x35,                     // Usage (Rz)

  343.         0x09, 0x36,                     // Usage (Slider)

  344.         0x09, 0x36,                     // Usage (Slider)

  345.         0x09, 0x36,                     // Usage (Slider)

  346.         0x09, 0x36,                     // Usage (Slider)

  347.         0x09, 0x36,                     // Usage (Slider)

  348.         0x09, 0x36,                     // Usage (Slider)

  349.         0x09, 0x36,                     // Usage (Slider)

  350.         0x09, 0x36,                     // Usage (Slider)

  351.         0x09, 0x36,                     // Usage (Slider)

  352.         0x09, 0x36,                     // Usage (Slider)

  353.         0x09, 0x36,                     // Usage (Slider)

  354.         0x09, 0x36,                     // Usage (Slider)

  355.         0x09, 0x36,                     // Usage (Slider)

  356.         0x09, 0x36,                     // Usage (Slider)

  357.         0x09, 0x36,                     // Usage (Slider)

  358.         0x09, 0x36,                     // Usage (Slider)

  359.         0x09, 0x36,                     // Usage (Slider)

  360.         0x81, 0x02,                     // Input (variable,absolute)

  361.         0xC0,                           // End Collection

  362.         0x15, 0x00,                     // Logical Minimum (0)

  363.         0x25, 0x07,                     // Logical Maximum (7)

  364.         0x35, 0x00,                     // Physical Minimum (0)

  365.         0x46, 0x3B, 0x01,               // Physical Maximum (315)

  366.         0x75, 0x04,                     // Report Size (4)

  367.         0x95, 0x04,                     // Report Count (4)

  368.         0x65, 0x14,                     // Unit (20)

  369.         0x05, 0x01,                     // Usage Page (Generic Desktop)

  370.         0x09, 0x39,                     // Usage (Hat switch)

  371.         0x09, 0x39,                     // Usage (Hat switch)

  372.         0x09, 0x39,                     // Usage (Hat switch)

  373.         0x09, 0x39,                     // Usage (Hat switch)

  374.         0x81, 0x42,                     // Input (variable,absolute,null_state)

  375.         0xC0                            // End Collection

  376. };

  377. #endif // JOYSTICK_SIZE

  378. #endif // JOYSTICK_INTERFACE

  379. 

  380. #ifdef MULTITOUCH_INTERFACE

  381. // https://forum.pjrc.com/threads/32331-USB-HID-Touchscreen-support-needed

  382. // https://msdn.microsoft.com/en-us/library/windows/hardware/jj151563%28v=vs.85%29.aspx

  383. // https://msdn.microsoft.com/en-us/library/windows/hardware/jj151565%28v=vs.85%29.aspx

  384. // https://msdn.microsoft.com/en-us/library/windows/hardware/ff553734%28v=vs.85%29.aspx

  385. // https://msdn.microsoft.com/en-us/library/windows/hardware/jj151564%28v=vs.85%29.aspx

  386. // download.microsoft.com/download/a/d/f/adf1347d-08dc-41a4-9084-623b1194d4b2/digitizerdrvs_touch.docx

  387. static uint8_t multitouch_report_desc[] = {

  388.         0x05, 0x0D,                     // Usage Page (Digitizer)

  389.         0x09, 0x04,                     // Usage (Touch Screen)

  390.         0xa1, 0x01,                     // Collection (Application)

  391.         0x09, 0x22,                     //   Usage (Finger)

  392.         0xA1, 0x02,                     //   Collection (Logical)

  393.         0x09, 0x42,                     //     Usage (Tip Switch)

  394.         0x15, 0x00,                     //     Logical Minimum (0)

  395.         0x25, 0x01,                     //     Logical Maximum (1)

  396.         0x75, 0x01,                     //     Report Size (1)

  397.         0x95, 0x01,                     //     Report Count (1)

  398.         0x81, 0x02,                     //     Input (variable,absolute)

  399.         0x09, 0x51,                     //     Usage (Contact Identifier)

  400.         0x25, 0x7F,                     //     Logical Maximum (127)

  401.         0x75, 0x07,                     //     Report Size (7)

  402.         0x95, 0x01,                     //     Report Count (1)

  403.         0x81, 0x02,                     //     Input (variable,absolute)

  404.         0x09, 0x30,                     //     Usage (Pressure)

  405.         0x26, 0xFF, 0x00,               //     Logical Maximum (255)

  406.         0x75, 0x08,                     //     Report Size (8)

  407.         0x95, 0x01,                     //     Report Count (1)

  408.         0x81, 0x02,                     //     Input (variable,absolute)

  409.         0x05, 0x01,                     //     Usage Page (Generic Desktop)

  410.         0x09, 0x30,                     //     Usage (X)

  411.         0x09, 0x31,                     //     Usage (Y)

  412.         0x26, 0xFF, 0x7F,               //     Logical Maximum (32767)

  413.         0x65, 0x00,                     //     Unit (None)  <-- probably needs real units?

  414.         0x75, 0x10,                     //     Report Size (16)

  415.         0x95, 0x02,                     //     Report Count (2)

  416.         0x81, 0x02,                     //     Input (variable,absolute)

  417.         0xC0,                           //   End Collection

  418.         0x05, 0x0D,                     //   Usage Page (Digitizer)

  419.         0x27, 0xFF, 0xFF, 0, 0,         //   Logical Maximum (65535)

  420.         0x75, 0x10,                     //   Report Size (16)

  421.         0x95, 0x01,                     //   Report Count (1)

  422.         0x09, 0x56,                     //   Usage (Scan Time)

  423.         0x81, 0x02,                     //   Input (variable,absolute)

  424.         0x05, 0x0D,                     //   Usage Page (Digitizers)

  425.         0x09, 0x55,                     //   Usage (Contact Count Maximum)

  426.         0x25, MULTITOUCH_FINGERS,       //   Logical Maximum (10)

  427.         0x75, 0x08,                     //   Report Size (8)

  428.         0x95, 0x01,                     //   Report Count (1)

  429.         0xB1, 0x02,                     //   Feature (variable,absolute)

  430.         0xC0                            // End Collection

  431. };

  432. #endif

  433. 

  434. #ifdef SEREMU_INTERFACE

  435. static uint8_t seremu_report_desc[] = {

  436.         0x06, 0xC9, 0xFF,               // Usage Page 0xFFC9 (vendor defined)

  437.         0x09, 0x04,                     // Usage 0x04

  438.         0xA1, 0x5C,                     // Collection 0x5C

  439.         0x75, 0x08,                     //   report size = 8 bits (global)

  440.         0x15, 0x00,                     //   logical minimum = 0 (global)

  441.         0x26, 0xFF, 0x00,               //   logical maximum = 255 (global)

  442.         0x95, SEREMU_TX_SIZE,           //   report count (global)

  443.         0x09, 0x75,                     //   usage (local)

  444.         0x81, 0x02,                     //   Input

  445.         0x95, SEREMU_RX_SIZE,           //   report count (global)

  446.         0x09, 0x76,                     //   usage (local)

  447.         0x91, 0x02,                     //   Output

  448.         0x95, 0x04,                     //   report count (global)

  449.         0x09, 0x76,                     //   usage (local)

  450.         0xB1, 0x02,                     //   Feature

  451.         0xC0                            // end collection

  452. };

  453. #endif

  454. 

  455. #ifdef RAWHID_INTERFACE

  456. static uint8_t rawhid_report_desc[] = {

  457.         0x06, LSB(RAWHID_USAGE_PAGE), MSB(RAWHID_USAGE_PAGE),

  458.         0x0A, LSB(RAWHID_USAGE), MSB(RAWHID_USAGE),

  459.         0xA1, 0x01,                     // Collection 0x01

  460.         0x75, 0x08,                     //   report size = 8 bits

  461.         0x15, 0x00,                     //   logical minimum = 0

  462.         0x26, 0xFF, 0x00,               //   logical maximum = 255

  463.         0x95, RAWHID_TX_SIZE,           //   report count

  464.         0x09, 0x01,                     //   usage

  465.         0x81, 0x02,                     //   Input (array)

  466.         0x95, RAWHID_RX_SIZE,           //   report count

  467.         0x09, 0x02,                     //   usage

  468.         0x91, 0x02,                     //   Output (array)

  469.         0xC0                            // end collection

  470. };

  471. #endif

  472. 

  473. #ifdef FLIGHTSIM_INTERFACE

  474. static uint8_t flightsim_report_desc[] = {

  475.         0x06, 0x1C, 0xFF,               // Usage page = 0xFF1C

  476.         0x0A, 0x39, 0xA7,               // Usage = 0xA739

  477.         0xA1, 0x01,                     // Collection 0x01

  478.         0x75, 0x08,                     //   report size = 8 bits

  479.         0x15, 0x00,                     //   logical minimum = 0

  480.         0x26, 0xFF, 0x00,               //   logical maximum = 255

  481.         0x95, FLIGHTSIM_TX_SIZE,        //   report count

  482.         0x09, 0x01,                     //   usage

  483.         0x81, 0x02,                     //   Input (array)

  484.         0x95, FLIGHTSIM_RX_SIZE,        //   report count

  485.         0x09, 0x02,                     //   usage

  486.         0x91, 0x02,                     //   Output (array)

  487.         0xC0                            // end collection

  488. };

  489. #endif

  490. 

  491. 

  492. // **************************************************************

  493. //   USB Descriptor Sizes

  494. // **************************************************************

  495. 

  496. // pre-compute the size and position of everything in the config descriptor

  497. //

  498. #define CONFIG_HEADER_DESCRIPTOR_SIZE	9

  499. 

  500. #define CDC_IAD_DESCRIPTOR_POS		CONFIG_HEADER_DESCRIPTOR_SIZE

  501. #ifdef  CDC_IAD_DESCRIPTOR

  502. #define CDC_IAD_DESCRIPTOR_SIZE		8

  503. #else

  504. #define CDC_IAD_DESCRIPTOR_SIZE		0

  505. #endif

  506. 

  507. #define CDC_DATA_INTERFACE_DESC_POS	CDC_IAD_DESCRIPTOR_POS+CDC_IAD_DESCRIPTOR_SIZE

  508. #ifdef  CDC_DATA_INTERFACE

  509. #define CDC_DATA_INTERFACE_DESC_SIZE	9+5+5+4+5+7+9+7+7

  510. #else

  511. #define CDC_DATA_INTERFACE_DESC_SIZE	0

  512. #endif

  513. 

  514. #define MIDI_INTERFACE_DESC_POS		CDC_DATA_INTERFACE_DESC_POS+CDC_DATA_INTERFACE_DESC_SIZE

  515. #ifdef  MIDI_INTERFACE

  516.   #if !defined(MIDI_NUM_CABLES) || MIDI_NUM_CABLES < 1 || MIDI_NUM_CABLES > 16

  517.   #error "MIDI_NUM_CABLES must be defined between 1 to 16"

  518.   #endif

  519. #define MIDI_INTERFACE_DESC_SIZE	9+7+((6+6+9+9)*MIDI_NUM_CABLES)+(9+4+MIDI_NUM_CABLES)*2

  520. #else

  521. #define MIDI_INTERFACE_DESC_SIZE	0

  522. #endif

  523. 

  524. #define KEYBOARD_INTERFACE_DESC_POS	MIDI_INTERFACE_DESC_POS+MIDI_INTERFACE_DESC_SIZE

  525. #ifdef  KEYBOARD_INTERFACE

  526. #define KEYBOARD_INTERFACE_DESC_SIZE	9+9+7

  527. #define KEYBOARD_HID_DESC_OFFSET	KEYBOARD_INTERFACE_DESC_POS+9

  528. #else

  529. #define KEYBOARD_INTERFACE_DESC_SIZE	0

  530. #endif

  531. 

  532. #define MOUSE_INTERFACE_DESC_POS	KEYBOARD_INTERFACE_DESC_POS+KEYBOARD_INTERFACE_DESC_SIZE

  533. #ifdef  MOUSE_INTERFACE

  534. #define MOUSE_INTERFACE_DESC_SIZE	9+9+7

  535. #define MOUSE_HID_DESC_OFFSET		MOUSE_INTERFACE_DESC_POS+9

  536. #else

  537. #define MOUSE_INTERFACE_DESC_SIZE	0

  538. #endif

  539. 

  540. #define RAWHID_INTERFACE_DESC_POS	MOUSE_INTERFACE_DESC_POS+MOUSE_INTERFACE_DESC_SIZE

  541. #ifdef  RAWHID_INTERFACE

  542. #define RAWHID_INTERFACE_DESC_SIZE	9+9+7+7

  543. #define RAWHID_HID_DESC_OFFSET		RAWHID_INTERFACE_DESC_POS+9

  544. #else

  545. #define RAWHID_INTERFACE_DESC_SIZE	0

  546. #endif

  547. 

  548. #define FLIGHTSIM_INTERFACE_DESC_POS	RAWHID_INTERFACE_DESC_POS+RAWHID_INTERFACE_DESC_SIZE

  549. #ifdef  FLIGHTSIM_INTERFACE

  550. #define FLIGHTSIM_INTERFACE_DESC_SIZE	9+9+7+7

  551. #define FLIGHTSIM_HID_DESC_OFFSET	FLIGHTSIM_INTERFACE_DESC_POS+9

  552. #else

  553. #define FLIGHTSIM_INTERFACE_DESC_SIZE	0

  554. #endif

  555. 

  556. #define SEREMU_INTERFACE_DESC_POS	FLIGHTSIM_INTERFACE_DESC_POS+FLIGHTSIM_INTERFACE_DESC_SIZE

  557. #ifdef  SEREMU_INTERFACE

  558. #define SEREMU_INTERFACE_DESC_SIZE	9+9+7+7

  559. #define SEREMU_HID_DESC_OFFSET		SEREMU_INTERFACE_DESC_POS+9

  560. #else

  561. #define SEREMU_INTERFACE_DESC_SIZE	0

  562. #endif

  563. 

  564. #define JOYSTICK_INTERFACE_DESC_POS	SEREMU_INTERFACE_DESC_POS+SEREMU_INTERFACE_DESC_SIZE

  565. #ifdef  JOYSTICK_INTERFACE

  566. #define JOYSTICK_INTERFACE_DESC_SIZE	9+9+7

  567. #define JOYSTICK_HID_DESC_OFFSET	JOYSTICK_INTERFACE_DESC_POS+9

  568. #else

  569. #define JOYSTICK_INTERFACE_DESC_SIZE	0

  570. #endif

  571. 

  572. #define MTP_INTERFACE_DESC_POS		JOYSTICK_INTERFACE_DESC_POS+JOYSTICK_INTERFACE_DESC_SIZE

  573. #ifdef  MTP_INTERFACE

  574. #define MTP_INTERFACE_DESC_SIZE		9+7+7+7

  575. #else

  576. #define MTP_INTERFACE_DESC_SIZE	0

  577. #endif

  578. 

  579. #define KEYMEDIA_INTERFACE_DESC_POS	MTP_INTERFACE_DESC_POS+MTP_INTERFACE_DESC_SIZE

  580. #ifdef  KEYMEDIA_INTERFACE

  581. #define KEYMEDIA_INTERFACE_DESC_SIZE	9+9+7

  582. #define KEYMEDIA_HID_DESC_OFFSET	KEYMEDIA_INTERFACE_DESC_POS+9

  583. #else

  584. #define KEYMEDIA_INTERFACE_DESC_SIZE	0

  585. #endif

  586. 

  587. #define AUDIO_INTERFACE_DESC_POS	KEYMEDIA_INTERFACE_DESC_POS+KEYMEDIA_INTERFACE_DESC_SIZE

  588. #ifdef  AUDIO_INTERFACE

  589. #define AUDIO_INTERFACE_DESC_SIZE	8 + 9+10+12+9+12+10+9 + 9+9+7+11+9+7 + 9+9+7+11+9+7+9

  590. #else

  591. #define AUDIO_INTERFACE_DESC_SIZE	0

  592. #endif

  593. 

  594. #define MULTITOUCH_INTERFACE_DESC_POS	AUDIO_INTERFACE_DESC_POS+AUDIO_INTERFACE_DESC_SIZE

  595. #ifdef  MULTITOUCH_INTERFACE

  596. #define MULTITOUCH_INTERFACE_DESC_SIZE	9+9+7

  597. #define MULTITOUCH_HID_DESC_OFFSET	MULTITOUCH_INTERFACE_DESC_POS+9

  598. #else

  599. #define MULTITOUCH_INTERFACE_DESC_SIZE	0

  600. #endif

  601. 

  602. #define CONFIG_DESC_SIZE		MULTITOUCH_INTERFACE_DESC_POS+MULTITOUCH_INTERFACE_DESC_SIZE

  603. 

  604. 

  605. 

  606. // **************************************************************

  607. //   USB Configuration

  608. // **************************************************************

  609. 

  610. // USB Configuration Descriptor.  This huge descriptor tells all

  611. // of the devices capbilities.

  612. static uint8_t config_descriptor[CONFIG_DESC_SIZE] = {

  613.         // configuration descriptor, USB spec 9.6.3, page 264-266, Table 9-10

  614.         9,                                      // bLength;

  615.         2,                                      // bDescriptorType;

  616.         LSB(CONFIG_DESC_SIZE),                 // wTotalLength

  617.         MSB(CONFIG_DESC_SIZE),

  618.         NUM_INTERFACE,                          // bNumInterfaces

  619.         1,                                      // bConfigurationValue

  620.         0,                                      // iConfiguration

  621.         0xC0,                                   // bmAttributes

  622.         50,                                     // bMaxPower

  623. 

  624. #ifdef CDC_IAD_DESCRIPTOR

  625.         // interface association descriptor, USB ECN, Table 9-Z

  626.         8,                                      // bLength

  627.         11,                                     // bDescriptorType

  628.         CDC_STATUS_INTERFACE,                   // bFirstInterface

  629.         2,                                      // bInterfaceCount

  630.         0x02,                                   // bFunctionClass

  631.         0x02,                                   // bFunctionSubClass

  632.         0x01,                                   // bFunctionProtocol

  633.         4,                                      // iFunction

  634. #endif

  635. 

  636. #ifdef CDC_DATA_INTERFACE

  637.         // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12

  638.         9,                                      // bLength

  639.         4,                                      // bDescriptorType

  640.         CDC_STATUS_INTERFACE,			// bInterfaceNumber

  641.         0,                                      // bAlternateSetting

  642.         1,                                      // bNumEndpoints

  643.         0x02,                                   // bInterfaceClass

  644.         0x02,                                   // bInterfaceSubClass

  645.         0x01,                                   // bInterfaceProtocol

  646.         0,                                      // iInterface

  647.         // CDC Header Functional Descriptor, CDC Spec 5.2.3.1, Table 26

  648.         5,                                      // bFunctionLength

  649.         0x24,                                   // bDescriptorType

  650.         0x00,                                   // bDescriptorSubtype

  651.         0x10, 0x01,                             // bcdCDC

  652.         // Call Management Functional Descriptor, CDC Spec 5.2.3.2, Table 27

  653.         5,                                      // bFunctionLength

  654.         0x24,                                   // bDescriptorType

  655.         0x01,                                   // bDescriptorSubtype

  656.         0x01,                                   // bmCapabilities

  657.         1,                                      // bDataInterface

  658.         // Abstract Control Management Functional Descriptor, CDC Spec 5.2.3.3, Table 28

  659.         4,                                      // bFunctionLength

  660.         0x24,                                   // bDescriptorType

  661.         0x02,                                   // bDescriptorSubtype

  662.         0x06,                                   // bmCapabilities

  663.         // Union Functional Descriptor, CDC Spec 5.2.3.8, Table 33

  664.         5,                                      // bFunctionLength

  665.         0x24,                                   // bDescriptorType

  666.         0x06,                                   // bDescriptorSubtype

  667.         CDC_STATUS_INTERFACE,                   // bMasterInterface

  668.         CDC_DATA_INTERFACE,                     // bSlaveInterface0

  669.         // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13

  670.         7,                                      // bLength

  671.         5,                                      // bDescriptorType

  672.         CDC_ACM_ENDPOINT | 0x80,                // bEndpointAddress

  673.         0x03,                                   // bmAttributes (0x03=intr)

  674.         CDC_ACM_SIZE, 0,                        // wMaxPacketSize

  675.         16,                                     // bInterval

  676.         // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12

  677.         9,                                      // bLength

  678.         4,                                      // bDescriptorType

  679.         CDC_DATA_INTERFACE,                     // bInterfaceNumber

  680.         0,                                      // bAlternateSetting

  681.         2,                                      // bNumEndpoints

  682.         0x0A,                                   // bInterfaceClass

  683.         0x00,                                   // bInterfaceSubClass

  684.         0x00,                                   // bInterfaceProtocol

  685.         0,                                      // iInterface

  686.         // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13

  687.         7,                                      // bLength

  688.         5,                                      // bDescriptorType

  689.         CDC_RX_ENDPOINT,                        // bEndpointAddress

  690.         0x02,                                   // bmAttributes (0x02=bulk)

  691.         CDC_RX_SIZE, 0,                         // wMaxPacketSize

  692.         0,                                      // bInterval

  693.         // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13

  694.         7,                                      // bLength

  695.         5,                                      // bDescriptorType

  696.         CDC_TX_ENDPOINT | 0x80,                 // bEndpointAddress

  697.         0x02,                                   // bmAttributes (0x02=bulk)

  698.         CDC_TX_SIZE, 0,                         // wMaxPacketSize

  699.         0,                                      // bInterval

  700. #endif // CDC_DATA_INTERFACE

  701. 

  702. #ifdef MIDI_INTERFACE

  703.         // Standard MS Interface Descriptor,

  704.         9,                                      // bLength

  705.         4,                                      // bDescriptorType

  706.         MIDI_INTERFACE,                         // bInterfaceNumber

  707.         0,                                      // bAlternateSetting

  708.         2,                                      // bNumEndpoints

  709.         0x01,                                   // bInterfaceClass (0x01 = Audio)

  710.         0x03,                                   // bInterfaceSubClass (0x03 = MIDI)

  711.         0x00,                                   // bInterfaceProtocol (unused for MIDI)

  712.         0,                                      // iInterface

  713.         // MIDI MS Interface Header, USB MIDI 6.1.2.1, page 21, Table 6-2

  714.         7,                                      // bLength

  715.         0x24,                                   // bDescriptorType = CS_INTERFACE

  716.         0x01,                                   // bDescriptorSubtype = MS_HEADER

  717.         0x00, 0x01,                             // bcdMSC = revision 01.00

  718. 	LSB(7+(6+6+9+9)*MIDI_NUM_CABLES),       // wTotalLength

  719. 	MSB(7+(6+6+9+9)*MIDI_NUM_CABLES),

  720.         // MIDI IN Jack Descriptor, B.4.3, Table B-7 (embedded), page 40

  721.         6,                                      // bLength

  722.         0x24,                                   // bDescriptorType = CS_INTERFACE

  723.         0x02,                                   // bDescriptorSubtype = MIDI_IN_JACK

  724.         0x01,                                   // bJackType = EMBEDDED

  725.         1,                                      // bJackID, ID = 1

  726.         0,                                      // iJack

  727.         // MIDI IN Jack Descriptor, B.4.3, Table B-8 (external), page 40

  728.         6,                                      // bLength

  729.         0x24,                                   // bDescriptorType = CS_INTERFACE

  730.         0x02,                                   // bDescriptorSubtype = MIDI_IN_JACK

  731.         0x02,                                   // bJackType = EXTERNAL

  732.         2,                                      // bJackID, ID = 2

  733.         0,                                      // iJack

  734.         // MIDI OUT Jack Descriptor, B.4.4, Table B-9, page 41

  735.         9,

  736.         0x24,                                   // bDescriptorType = CS_INTERFACE

  737.         0x03,                                   // bDescriptorSubtype = MIDI_OUT_JACK

  738.         0x01,                                   // bJackType = EMBEDDED

  739.         3,                                      // bJackID, ID = 3

  740.         1,                                      // bNrInputPins = 1 pin

  741.         2,                                      // BaSourceID(1) = 2

  742.         1,                                      // BaSourcePin(1) = first pin

  743.         0,                                      // iJack

  744.         // MIDI OUT Jack Descriptor, B.4.4, Table B-10, page 41

  745.         9,

  746.         0x24,                                   // bDescriptorType = CS_INTERFACE

  747.         0x03,                                   // bDescriptorSubtype = MIDI_OUT_JACK

  748.         0x02,                                   // bJackType = EXTERNAL

  749.         4,                                      // bJackID, ID = 4

  750.         1,                                      // bNrInputPins = 1 pin

  751.         1,                                      // BaSourceID(1) = 1

  752.         1,                                      // BaSourcePin(1) = first pin

  753.         0,                                      // iJack

  754.   #if MIDI_NUM_CABLES >= 2

  755. 	#define MIDI_INTERFACE_JACK_PAIR(a, b, c, d) \

  756. 		6, 0x24, 0x02, 0x01, (a), 0, \

  757. 		6, 0x24, 0x02, 0x02, (b), 0, \

  758. 		9, 0x24, 0x03, 0x01, (c), 1, (b), 1, 0, \

  759. 		9, 0x24, 0x03, 0x02, (d), 1, (a), 1, 0,

  760. 	MIDI_INTERFACE_JACK_PAIR(5, 6, 7, 8)

  761.   #endif

  762.   #if MIDI_NUM_CABLES >= 3

  763. 	MIDI_INTERFACE_JACK_PAIR(9, 10, 11, 12)

  764.   #endif

  765.   #if MIDI_NUM_CABLES >= 4

  766. 	MIDI_INTERFACE_JACK_PAIR(13, 14, 15, 16)

  767.   #endif

  768.   #if MIDI_NUM_CABLES >= 5

  769. 	MIDI_INTERFACE_JACK_PAIR(17, 18, 19, 20)

  770.   #endif

  771.   #if MIDI_NUM_CABLES >= 6

  772. 	MIDI_INTERFACE_JACK_PAIR(21, 22, 23, 24)

  773.   #endif

  774.   #if MIDI_NUM_CABLES >= 7

  775. 	MIDI_INTERFACE_JACK_PAIR(25, 26, 27, 28)

  776.   #endif

  777.   #if MIDI_NUM_CABLES >= 8

  778. 	MIDI_INTERFACE_JACK_PAIR(29, 30, 31, 32)

  779.   #endif

  780.   #if MIDI_NUM_CABLES >= 9

  781. 	MIDI_INTERFACE_JACK_PAIR(33, 34, 35, 36)

  782.   #endif

  783.   #if MIDI_NUM_CABLES >= 10

  784. 	MIDI_INTERFACE_JACK_PAIR(37, 38, 39, 40)

  785.   #endif

  786.   #if MIDI_NUM_CABLES >= 11

  787. 	MIDI_INTERFACE_JACK_PAIR(41, 42, 43, 44)

  788.   #endif

  789.   #if MIDI_NUM_CABLES >= 12

  790. 	MIDI_INTERFACE_JACK_PAIR(45, 46, 47, 48)

  791.   #endif

  792.   #if MIDI_NUM_CABLES >= 13

  793. 	MIDI_INTERFACE_JACK_PAIR(49, 50, 51, 52)

  794.   #endif

  795.   #if MIDI_NUM_CABLES >= 14

  796. 	MIDI_INTERFACE_JACK_PAIR(53, 54, 55, 56)

  797.   #endif

  798.   #if MIDI_NUM_CABLES >= 15

  799. 	MIDI_INTERFACE_JACK_PAIR(57, 58, 59, 60)

  800.   #endif

  801.   #if MIDI_NUM_CABLES >= 16

  802. 	MIDI_INTERFACE_JACK_PAIR(61, 62, 63, 64)

  803.   #endif

  804.         // Standard Bulk OUT Endpoint Descriptor, B.5.1, Table B-11, pae 42

  805.         9,                                      // bLength

  806.         5,                                      // bDescriptorType = ENDPOINT

  807.         MIDI_RX_ENDPOINT,                       // bEndpointAddress

  808.         0x02,                                   // bmAttributes (0x02=bulk)

  809.         MIDI_RX_SIZE, 0,                        // wMaxPacketSize

  810.         0,                                      // bInterval

  811.         0,                                      // bRefresh

  812.         0,                                      // bSynchAddress

  813.         // Class-specific MS Bulk OUT Endpoint Descriptor, B.5.2, Table B-12, page 42

  814.         4+MIDI_NUM_CABLES,                      // bLength

  815.         0x25,                                   // bDescriptorSubtype = CS_ENDPOINT

  816.         0x01,                                   // bJackType = MS_GENERAL

  817.         MIDI_NUM_CABLES,                        // bNumEmbMIDIJack = number of jacks

  818.         1,                                      // BaAssocJackID(1) = jack ID #1

  819.   #if MIDI_NUM_CABLES >= 2

  820.         5,

  821.   #endif

  822.   #if MIDI_NUM_CABLES >= 3

  823.         9,

  824.   #endif

  825.   #if MIDI_NUM_CABLES >= 4

  826.         13,

  827.   #endif

  828.   #if MIDI_NUM_CABLES >= 5

  829.         17,

  830.   #endif

  831.   #if MIDI_NUM_CABLES >= 6

  832.         21,

  833.   #endif

  834.   #if MIDI_NUM_CABLES >= 7

  835.         25,

  836.   #endif

  837.   #if MIDI_NUM_CABLES >= 8

  838.         29,

  839.   #endif

  840.   #if MIDI_NUM_CABLES >= 9

  841.         33,

  842.   #endif

  843.   #if MIDI_NUM_CABLES >= 10

  844.         37,

  845.   #endif

  846.   #if MIDI_NUM_CABLES >= 11

  847.         41,

  848.   #endif

  849.   #if MIDI_NUM_CABLES >= 12

  850.         45,

  851.   #endif

  852.   #if MIDI_NUM_CABLES >= 13

  853.         49,

  854.   #endif

  855.   #if MIDI_NUM_CABLES >= 14

  856.         53,

  857.   #endif

  858.   #if MIDI_NUM_CABLES >= 15

  859.         57,

  860.   #endif

  861.   #if MIDI_NUM_CABLES >= 16

  862.         61,

  863.   #endif

  864.         // Standard Bulk IN Endpoint Descriptor, B.5.1, Table B-11, pae 42

  865.         9,                                      // bLength

  866.         5,                                      // bDescriptorType = ENDPOINT

  867.         MIDI_TX_ENDPOINT | 0x80,                // bEndpointAddress

  868.         0x02,                                   // bmAttributes (0x02=bulk)

  869.         MIDI_TX_SIZE, 0,                        // wMaxPacketSize

  870.         0,                                      // bInterval

  871.         0,                                      // bRefresh

  872.         0,                                      // bSynchAddress

  873.         // Class-specific MS Bulk IN Endpoint Descriptor, B.5.2, Table B-12, page 42

  874.         4+MIDI_NUM_CABLES,                      // bLength

  875.         0x25,                                   // bDescriptorSubtype = CS_ENDPOINT

  876.         0x01,                                   // bJackType = MS_GENERAL

  877.         MIDI_NUM_CABLES,                        // bNumEmbMIDIJack = number of jacks

  878.         3,                                      // BaAssocJackID(1) = jack ID #3

  879.   #if MIDI_NUM_CABLES >= 2

  880.         7,

  881.   #endif

  882.   #if MIDI_NUM_CABLES >= 3

  883.         11,

  884.   #endif

  885.   #if MIDI_NUM_CABLES >= 4

  886.         15,

  887.   #endif

  888.   #if MIDI_NUM_CABLES >= 5

  889.         19,

  890.   #endif

  891.   #if MIDI_NUM_CABLES >= 6

  892.         23,

  893.   #endif

  894.   #if MIDI_NUM_CABLES >= 7

  895.         27,

  896.   #endif

  897.   #if MIDI_NUM_CABLES >= 8

  898.         31,

  899.   #endif

  900.   #if MIDI_NUM_CABLES >= 9

  901.         35,

  902.   #endif

  903.   #if MIDI_NUM_CABLES >= 10

  904.         39,

  905.   #endif

  906.   #if MIDI_NUM_CABLES >= 11

  907.         43,

  908.   #endif

  909.   #if MIDI_NUM_CABLES >= 12

  910.         47,

  911.   #endif

  912.   #if MIDI_NUM_CABLES >= 13

  913.         51,

  914.   #endif

  915.   #if MIDI_NUM_CABLES >= 14

  916.         55,

  917.   #endif

  918.   #if MIDI_NUM_CABLES >= 15

  919.         59,

  920.   #endif

  921.   #if MIDI_NUM_CABLES >= 16

  922.         63,

  923.   #endif

  924. #endif // MIDI_INTERFACE

  925. 

  926. #ifdef KEYBOARD_INTERFACE

  927.         // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12

  928.         9,                                      // bLength

  929.         4,                                      // bDescriptorType

  930.         KEYBOARD_INTERFACE,                     // bInterfaceNumber

  931.         0,                                      // bAlternateSetting

  932.         1,                                      // bNumEndpoints

  933.         0x03,                                   // bInterfaceClass (0x03 = HID)

  934.         0x01,                                   // bInterfaceSubClass (0x01 = Boot)

  935.         0x01,                                   // bInterfaceProtocol (0x01 = Keyboard)

  936.         0,                                      // iInterface

  937.         // HID interface descriptor, HID 1.11 spec, section 6.2.1

  938.         9,                                      // bLength

  939.         0x21,                                   // bDescriptorType

  940.         0x11, 0x01,                             // bcdHID

  941.         0,                                      // bCountryCode

  942.         1,                                      // bNumDescriptors

  943.         0x22,                                   // bDescriptorType

  944.         LSB(sizeof(keyboard_report_desc)),      // wDescriptorLength

  945.         MSB(sizeof(keyboard_report_desc)),

  946.         // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13

  947.         7,                                      // bLength

  948.         5,                                      // bDescriptorType

  949.         KEYBOARD_ENDPOINT | 0x80,               // bEndpointAddress

  950.         0x03,                                   // bmAttributes (0x03=intr)

  951.         KEYBOARD_SIZE, 0,                       // wMaxPacketSize

  952.         KEYBOARD_INTERVAL,                      // bInterval

  953. #endif // KEYBOARD_INTERFACE

  954. 

  955. #ifdef MOUSE_INTERFACE

  956.         // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12

  957.         9,                                      // bLength

  958.         4,                                      // bDescriptorType

  959.         MOUSE_INTERFACE,                        // bInterfaceNumber

  960.         0,                                      // bAlternateSetting

  961.         1,                                      // bNumEndpoints

  962.         0x03,                                   // bInterfaceClass (0x03 = HID)

  963.         0x00,                                   // bInterfaceSubClass (0x01 = Boot)

  964.         0x00,                                   // bInterfaceProtocol (0x02 = Mouse)

  965.         0,                                      // iInterface

  966.         // HID interface descriptor, HID 1.11 spec, section 6.2.1

  967.         9,                                      // bLength

  968.         0x21,                                   // bDescriptorType

  969.         0x11, 0x01,                             // bcdHID

  970.         0,                                      // bCountryCode

  971.         1,                                      // bNumDescriptors

  972.         0x22,                                   // bDescriptorType

  973.         LSB(sizeof(mouse_report_desc)),         // wDescriptorLength

  974.         MSB(sizeof(mouse_report_desc)),

  975.         // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13

  976.         7,                                      // bLength

  977.         5,                                      // bDescriptorType

  978.         MOUSE_ENDPOINT | 0x80,                  // bEndpointAddress

  979.         0x03,                                   // bmAttributes (0x03=intr)

  980.         MOUSE_SIZE, 0,                          // wMaxPacketSize

  981.         MOUSE_INTERVAL,                         // bInterval

  982. #endif // MOUSE_INTERFACE

  983. 

  984. #ifdef RAWHID_INTERFACE

  985.         // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12

  986.         9,                                      // bLength

  987.         4,                                      // bDescriptorType

  988.         RAWHID_INTERFACE,                       // bInterfaceNumber

  989.         0,                                      // bAlternateSetting

  990.         2,                                      // bNumEndpoints

  991.         0x03,                                   // bInterfaceClass (0x03 = HID)

  992.         0x00,                                   // bInterfaceSubClass

  993.         0x00,                                   // bInterfaceProtocol

  994.         0,                                      // iInterface

  995.         // HID interface descriptor, HID 1.11 spec, section 6.2.1

  996.         9,                                      // bLength

  997.         0x21,                                   // bDescriptorType

  998.         0x11, 0x01,                             // bcdHID

  999.         0,                                      // bCountryCode

  1000.         1,                                      // bNumDescriptors

  1001.         0x22,                                   // bDescriptorType

  1002.         LSB(sizeof(rawhid_report_desc)),        // wDescriptorLength

  1003.         MSB(sizeof(rawhid_report_desc)),

  1004.         // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13

  1005.         7,                                      // bLength

  1006.         5,                                      // bDescriptorType

  1007.         RAWHID_TX_ENDPOINT | 0x80,              // bEndpointAddress

  1008.         0x03,                                   // bmAttributes (0x03=intr)

  1009.         RAWHID_TX_SIZE, 0,                      // wMaxPacketSize

  1010.         RAWHID_TX_INTERVAL,                     // bInterval

  1011.         // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13

  1012.         7,                                      // bLength

  1013.         5,                                      // bDescriptorType

  1014.         RAWHID_RX_ENDPOINT,                     // bEndpointAddress

  1015.         0x03,                                   // bmAttributes (0x03=intr)

  1016.         RAWHID_RX_SIZE, 0,                      // wMaxPacketSize

  1017.         RAWHID_RX_INTERVAL,			// bInterval

  1018. #endif // RAWHID_INTERFACE

  1019. 

  1020. #ifdef FLIGHTSIM_INTERFACE

  1021.         // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12

  1022.         9,                                      // bLength

  1023.         4,                                      // bDescriptorType

  1024.         FLIGHTSIM_INTERFACE,                    // bInterfaceNumber

  1025.         0,                                      // bAlternateSetting

  1026.         2,                                      // bNumEndpoints

  1027.         0x03,                                   // bInterfaceClass (0x03 = HID)

  1028.         0x00,                                   // bInterfaceSubClass

  1029.         0x00,                                   // bInterfaceProtocol

  1030.         0,                                      // iInterface

  1031.         // HID interface descriptor, HID 1.11 spec, section 6.2.1

  1032.         9,                                      // bLength

  1033.         0x21,                                   // bDescriptorType

  1034.         0x11, 0x01,                             // bcdHID

  1035.         0,                                      // bCountryCode

  1036.         1,                                      // bNumDescriptors

  1037.         0x22,                                   // bDescriptorType

  1038.         LSB(sizeof(flightsim_report_desc)),     // wDescriptorLength

  1039.         MSB(sizeof(flightsim_report_desc)),

  1040.         // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13

  1041.         7,                                      // bLength

  1042.         5,                                      // bDescriptorType

  1043.         FLIGHTSIM_TX_ENDPOINT | 0x80,           // bEndpointAddress

  1044.         0x03,                                   // bmAttributes (0x03=intr)

  1045.         FLIGHTSIM_TX_SIZE, 0,                   // wMaxPacketSize

  1046.         FLIGHTSIM_TX_INTERVAL,                  // bInterval

  1047.         // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13

  1048.         7,                                      // bLength

  1049.         5,                                      // bDescriptorType

  1050.         FLIGHTSIM_RX_ENDPOINT,                  // bEndpointAddress

  1051.         0x03,                                   // bmAttributes (0x03=intr)

  1052.         FLIGHTSIM_RX_SIZE, 0,                   // wMaxPacketSize

  1053.         FLIGHTSIM_RX_INTERVAL,			// bInterval

  1054. #endif // FLIGHTSIM_INTERFACE

  1055. 

  1056. #ifdef SEREMU_INTERFACE

  1057.         // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12

  1058.         9,                                      // bLength

  1059.         4,                                      // bDescriptorType

  1060.         SEREMU_INTERFACE,                       // bInterfaceNumber

  1061.         0,                                      // bAlternateSetting

  1062.         2,                                      // bNumEndpoints

  1063.         0x03,                                   // bInterfaceClass (0x03 = HID)

  1064.         0x00,                                   // bInterfaceSubClass

  1065.         0x00,                                   // bInterfaceProtocol

  1066.         0,                                      // iInterface

  1067.         // HID interface descriptor, HID 1.11 spec, section 6.2.1

  1068.         9,                                      // bLength

  1069.         0x21,                                   // bDescriptorType

  1070.         0x11, 0x01,                             // bcdHID

  1071.         0,                                      // bCountryCode

  1072.         1,                                      // bNumDescriptors

  1073.         0x22,                                   // bDescriptorType

  1074.         LSB(sizeof(seremu_report_desc)),        // wDescriptorLength

  1075.         MSB(sizeof(seremu_report_desc)),

  1076.         // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13

  1077.         7,                                      // bLength

  1078.         5,                                      // bDescriptorType

  1079.         SEREMU_TX_ENDPOINT | 0x80,              // bEndpointAddress

  1080.         0x03,                                   // bmAttributes (0x03=intr)

  1081.         SEREMU_TX_SIZE, 0,                      // wMaxPacketSize

  1082.         SEREMU_TX_INTERVAL,                     // bInterval

  1083.         // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13

  1084.         7,                                      // bLength

  1085.         5,                                      // bDescriptorType

  1086.         SEREMU_RX_ENDPOINT,                     // bEndpointAddress

  1087.         0x03,                                   // bmAttributes (0x03=intr)

  1088.         SEREMU_RX_SIZE, 0,                      // wMaxPacketSize

  1089.         SEREMU_RX_INTERVAL,			// bInterval

  1090. #endif // SEREMU_INTERFACE

  1091. 

  1092. #ifdef JOYSTICK_INTERFACE

  1093.         // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12

  1094.         9,                                      // bLength

  1095.         4,                                      // bDescriptorType

  1096.         JOYSTICK_INTERFACE,                     // bInterfaceNumber

  1097.         0,                                      // bAlternateSetting

  1098.         1,                                      // bNumEndpoints

  1099.         0x03,                                   // bInterfaceClass (0x03 = HID)

  1100.         0x00,                                   // bInterfaceSubClass

  1101.         0x00,                                   // bInterfaceProtocol

  1102.         0,                                      // iInterface

  1103.         // HID interface descriptor, HID 1.11 spec, section 6.2.1

  1104.         9,                                      // bLength

  1105.         0x21,                                   // bDescriptorType

  1106.         0x11, 0x01,                             // bcdHID

  1107.         0,                                      // bCountryCode

  1108.         1,                                      // bNumDescriptors

  1109.         0x22,                                   // bDescriptorType

  1110.         LSB(sizeof(joystick_report_desc)),      // wDescriptorLength

  1111.         MSB(sizeof(joystick_report_desc)),

  1112.         // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13

  1113.         7,                                      // bLength

  1114.         5,                                      // bDescriptorType

  1115.         JOYSTICK_ENDPOINT | 0x80,               // bEndpointAddress

  1116.         0x03,                                   // bmAttributes (0x03=intr)

  1117.         JOYSTICK_SIZE, 0,                       // wMaxPacketSize

  1118.         JOYSTICK_INTERVAL,                      // bInterval

  1119. #endif // JOYSTICK_INTERFACE

  1120. 

  1121. #ifdef MTP_INTERFACE

  1122.         // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12

  1123.         9,                                      // bLength

  1124.         4,                                      // bDescriptorType

  1125.         MTP_INTERFACE,                          // bInterfaceNumber

  1126.         0,                                      // bAlternateSetting

  1127.         3,                                      // bNumEndpoints

  1128.         0x06,                                   // bInterfaceClass (0x06 = still image)

  1129.         0x01,                                   // bInterfaceSubClass

  1130.         0x01,                                   // bInterfaceProtocol

  1131.         4,                                      // iInterface

  1132.         // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13

  1133.         7,                                      // bLength

  1134.         5,                                      // bDescriptorType

  1135.         MTP_TX_ENDPOINT | 0x80,                 // bEndpointAddress

  1136.         0x02,                                   // bmAttributes (0x02=bulk)

  1137.         MTP_TX_SIZE, 0,                         // wMaxPacketSize

  1138.         0,                                      // bInterval

  1139.         // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13

  1140.         7,                                      // bLength

  1141.         5,                                      // bDescriptorType

  1142.         MTP_RX_ENDPOINT,                        // bEndpointAddress

  1143.         0x02,                                   // bmAttributes (0x02=bulk)

  1144.         MTP_RX_SIZE, 0,                         // wMaxPacketSize

  1145.         0,                                      // bInterval

  1146.         // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13

  1147.         7,                                      // bLength

  1148.         5,                                      // bDescriptorType

  1149.         MTP_EVENT_ENDPOINT | 0x80,              // bEndpointAddress

  1150.         0x03,                                   // bmAttributes (0x03=intr)

  1151.         MTP_EVENT_SIZE, 0,                      // wMaxPacketSize

  1152.         MTP_EVENT_INTERVAL,                     // bInterval

  1153. #endif // MTP_INTERFACE

  1154. 

  1155. #ifdef KEYMEDIA_INTERFACE

  1156.         // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12

  1157.         9,                                      // bLength

  1158.         4,                                      // bDescriptorType

  1159.         KEYMEDIA_INTERFACE,                     // bInterfaceNumber

  1160.         0,                                      // bAlternateSetting

  1161.         1,                                      // bNumEndpoints

  1162.         0x03,                                   // bInterfaceClass (0x03 = HID)

  1163.         0x00,                                   // bInterfaceSubClass

  1164.         0x00,                                   // bInterfaceProtocol

  1165.         0,                                      // iInterface

  1166.         // HID interface descriptor, HID 1.11 spec, section 6.2.1

  1167.         9,                                      // bLength

  1168.         0x21,                                   // bDescriptorType

  1169.         0x11, 0x01,                             // bcdHID

  1170.         0,                                      // bCountryCode

  1171.         1,                                      // bNumDescriptors

  1172.         0x22,                                   // bDescriptorType

  1173.         LSB(sizeof(keymedia_report_desc)),      // wDescriptorLength

  1174.         MSB(sizeof(keymedia_report_desc)),

  1175.         // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13

  1176.         7,                                      // bLength

  1177.         5,                                      // bDescriptorType

  1178.         KEYMEDIA_ENDPOINT | 0x80,               // bEndpointAddress

  1179.         0x03,                                   // bmAttributes (0x03=intr)

  1180.         KEYMEDIA_SIZE, 0,                       // wMaxPacketSize

  1181.         KEYMEDIA_INTERVAL,                      // bInterval

  1182. #endif // KEYMEDIA_INTERFACE

  1183. 

  1184. #ifdef AUDIO_INTERFACE

  1185.         // interface association descriptor, USB ECN, Table 9-Z

  1186.         8,                                      // bLength

  1187.         11,                                     // bDescriptorType

  1188.         AUDIO_INTERFACE,                        // bFirstInterface

  1189.         3,                                      // bInterfaceCount

  1190.         0x01,                                   // bFunctionClass

  1191.         0x01,                                   // bFunctionSubClass

  1192.         0x00,                                   // bFunctionProtocol

  1193.         0,                                      // iFunction

  1194. 	// Standard AudioControl (AC) Interface Descriptor

  1195. 	// USB DCD for Audio Devices 1.0, Table 4-1, page 36

  1196. 	9,					// bLength

  1197. 	4,					// bDescriptorType, 4 = INTERFACE

  1198. 	AUDIO_INTERFACE,			// bInterfaceNumber

  1199. 	0,					// bAlternateSetting

  1200. 	0,					// bNumEndpoints

  1201. 	1,					// bInterfaceClass, 1 = AUDIO

  1202. 	1,					// bInterfaceSubclass, 1 = AUDIO_CONTROL

  1203. 	0,					// bInterfaceProtocol

  1204. 	0,					// iInterface

  1205. 	// Class-specific AC Interface Header Descriptor

  1206. 	// USB DCD for Audio Devices 1.0, Table 4-2, page 37-38

  1207. 	10,					// bLength

  1208. 	0x24,					// bDescriptorType, 0x24 = CS_INTERFACE

  1209. 	0x01,					// bDescriptorSubtype, 1 = HEADER

  1210. 	0x00, 0x01,				// bcdADC (version 1.0)

  1211. 	LSB(62), MSB(62),			// wTotalLength

  1212. 	2,					// bInCollection

  1213. 	AUDIO_INTERFACE+1,			// baInterfaceNr(1) - Transmit to PC

  1214. 	AUDIO_INTERFACE+2,			// baInterfaceNr(2) - Receive from PC

  1215. 	// Input Terminal Descriptor

  1216. 	// USB DCD for Audio Devices 1.0, Table 4-3, page 39

  1217. 	12,					// bLength

  1218. 	0x24,					// bDescriptorType, 0x24 = CS_INTERFACE

  1219. 	0x02,					// bDescriptorSubType, 2 = INPUT_TERMINAL

  1220. 	1,					// bTerminalID

  1221. 	//0x01, 0x02,				// wTerminalType, 0x0201 = MICROPHONE

  1222. 	//0x03, 0x06,				// wTerminalType, 0x0603 = Line Connector

  1223. 	0x02, 0x06,				// wTerminalType, 0x0602 = Digital Audio

  1224. 	0,					// bAssocTerminal, 0 = unidirectional

  1225. 	2,					// bNrChannels

  1226. 	0x03, 0x00,				// wChannelConfig, 0x0003 = Left & Right Front

  1227. 	0,					// iChannelNames

  1228. 	0, 					// iTerminal

  1229. 	// Output Terminal Descriptor

  1230. 	// USB DCD for Audio Devices 1.0, Table 4-4, page 40

  1231. 	9,					// bLength

  1232. 	0x24,					// bDescriptorType, 0x24 = CS_INTERFACE

  1233. 	3,					// bDescriptorSubtype, 3 = OUTPUT_TERMINAL

  1234. 	2,					// bTerminalID

  1235. 	0x01, 0x01,				// wTerminalType, 0x0101 = USB_STREAMING

  1236. 	0,					// bAssocTerminal, 0 = unidirectional

  1237. 	1,					// bCSourceID, connected to input terminal, ID=1

  1238. 	0,					// iTerminal

  1239. 	// Input Terminal Descriptor

  1240. 	// USB DCD for Audio Devices 1.0, Table 4-3, page 39

  1241. 	12,					// bLength

  1242. 	0x24,					// bDescriptorType, 0x24 = CS_INTERFACE

  1243. 	2,					// bDescriptorSubType, 2 = INPUT_TERMINAL

  1244. 	3,					// bTerminalID

  1245. 	0x01, 0x01,				// wTerminalType, 0x0101 = USB_STREAMING

  1246. 	0,					// bAssocTerminal, 0 = unidirectional

  1247. 	2,					// bNrChannels

  1248. 	0x03, 0x00,				// wChannelConfig, 0x0003 = Left & Right Front

  1249. 	0,					// iChannelNames

  1250. 	0, 					// iTerminal

  1251. 	// Volume feature descriptor

  1252. 	10,					// bLength

  1253. 	0x24, 				// bDescriptorType = CS_INTERFACE

  1254. 	0x06, 				// bDescriptorSubType = FEATURE_UNIT

  1255. 	0x31, 				// bUnitID

  1256. 	0x03, 				// bSourceID (Input Terminal)

  1257. 	0x01, 				// bControlSize (each channel is 1 byte, 3 channels)

  1258. 	0x01, 				// bmaControls(0) Master: Mute

  1259. 	0x02, 				// bmaControls(1) Left: Volume

  1260. 	0x02, 				// bmaControls(2) Right: Volume

  1261. 	0x00,				// iFeature

  1262. 	// Output Terminal Descriptor

  1263. 	// USB DCD for Audio Devices 1.0, Table 4-4, page 40

  1264. 	9,					// bLength

  1265. 	0x24,					// bDescriptorType, 0x24 = CS_INTERFACE

  1266. 	3,					// bDescriptorSubtype, 3 = OUTPUT_TERMINAL

  1267. 	4,					// bTerminalID

  1268. 	//0x02, 0x03,				// wTerminalType, 0x0302 = Headphones

  1269. 	0x02, 0x06,				// wTerminalType, 0x0602 = Digital Audio

  1270. 	0,					// bAssocTerminal, 0 = unidirectional

  1271. 	0x31,				// bCSourceID, connected to feature, ID=31

  1272. 	0,					// iTerminal

  1273. 	// Standard AS Interface Descriptor

  1274. 	// USB DCD for Audio Devices 1.0, Section 4.5.1, Table 4-18, page 59

  1275. 	// Alternate 0: default setting, disabled zero bandwidth

  1276. 	9,					// bLenght

  1277. 	4,					// bDescriptorType = INTERFACE

  1278. 	AUDIO_INTERFACE+1,			// bInterfaceNumber

  1279. 	0,					// bAlternateSetting

  1280. 	0,					// bNumEndpoints

  1281. 	1,					// bInterfaceClass, 1 = AUDIO

  1282. 	2,					// bInterfaceSubclass, 2 = AUDIO_STREAMING

  1283. 	0,					// bInterfaceProtocol

  1284. 	0,					// iInterface

  1285. 	// Alternate 1: streaming data

  1286. 	9,					// bLenght

  1287. 	4,					// bDescriptorType = INTERFACE

  1288. 	AUDIO_INTERFACE+1,			// bInterfaceNumber

  1289. 	1,					// bAlternateSetting

  1290. 	1,					// bNumEndpoints

  1291. 	1,					// bInterfaceClass, 1 = AUDIO

  1292. 	2,					// bInterfaceSubclass, 2 = AUDIO_STREAMING

  1293. 	0,					// bInterfaceProtocol

  1294. 	0,					// iInterface

  1295. 	// Class-Specific AS Interface Descriptor

  1296. 	// USB DCD for Audio Devices 1.0, Section 4.5.2, Table 4-19, page 60

  1297. 	7, 					// bLength

  1298. 	0x24,					// bDescriptorType = CS_INTERFACE

  1299. 	1,					// bDescriptorSubtype, 1 = AS_GENERAL

  1300. 	2,					// bTerminalLink: Terminal ID = 2

  1301. 	3,					// bDelay (approx 3ms delay, audio lib updates)

  1302. 	0x01, 0x00,				// wFormatTag, 0x0001 = PCM

  1303. 	// Type I Format Descriptor

  1304. 	// USB DCD for Audio Data Formats 1.0, Section 2.2.5, Table 2-1, page 10

  1305. 	11,					// bLength

  1306. 	0x24,					// bDescriptorType = CS_INTERFACE

  1307. 	2,					// bDescriptorSubtype = FORMAT_TYPE

  1308. 	1,					// bFormatType = FORMAT_TYPE_I

  1309. 	2,					// bNrChannels = 2

  1310. 	2,					// bSubFrameSize = 2 byte

  1311. 	16,					// bBitResolution = 16 bits

  1312. 	1,					// bSamFreqType = 1 frequency

  1313. 	LSB(44100), MSB(44100), 0,		// tSamFreq

  1314. 	// Standard AS Isochronous Audio Data Endpoint Descriptor

  1315. 	// USB DCD for Audio Devices 1.0, Section 4.6.1.1, Table 4-20, page 61-62

  1316. 	9, 					// bLength

  1317. 	5, 					// bDescriptorType, 5 = ENDPOINT_DESCRIPTOR

  1318. 	AUDIO_TX_ENDPOINT | 0x80,		// bEndpointAddress

  1319. 	0x09, 					// bmAttributes = isochronous, adaptive

  1320. 	LSB(AUDIO_TX_SIZE), MSB(AUDIO_TX_SIZE),	// wMaxPacketSize

  1321. 	1,			 		// bInterval, 1 = every frame

  1322. 	0,					// bRefresh

  1323. 	0,					// bSynchAddress

  1324. 	// Class-Specific AS Isochronous Audio Data Endpoint Descriptor

  1325. 	// USB DCD for Audio Devices 1.0, Section 4.6.1.2, Table 4-21, page 62-63

  1326. 	7,  					// bLength

  1327. 	0x25,  					// bDescriptorType, 0x25 = CS_ENDPOINT

  1328. 	1,  					// bDescriptorSubtype, 1 = EP_GENERAL

  1329. 	0x00,  					// bmAttributes

  1330. 	0,  					// bLockDelayUnits, 1 = ms

  1331. 	0x00, 0x00,  				// wLockDelay

  1332. 	// Standard AS Interface Descriptor

  1333. 	// USB DCD for Audio Devices 1.0, Section 4.5.1, Table 4-18, page 59

  1334. 	// Alternate 0: default setting, disabled zero bandwidth

  1335. 	9,					// bLenght

  1336. 	4,					// bDescriptorType = INTERFACE

  1337. 	AUDIO_INTERFACE+2,			// bInterfaceNumber

  1338. 	0,					// bAlternateSetting

  1339. 	0,					// bNumEndpoints

  1340. 	1,					// bInterfaceClass, 1 = AUDIO

  1341. 	2,					// bInterfaceSubclass, 2 = AUDIO_STREAMING

  1342. 	0,					// bInterfaceProtocol

  1343. 	0,					// iInterface

  1344. 	// Alternate 1: streaming data

  1345. 	9,					// bLenght

  1346. 	4,					// bDescriptorType = INTERFACE

  1347. 	AUDIO_INTERFACE+2,			// bInterfaceNumber

  1348. 	1,					// bAlternateSetting

  1349. 	2,					// bNumEndpoints

  1350. 	1,					// bInterfaceClass, 1 = AUDIO

  1351. 	2,					// bInterfaceSubclass, 2 = AUDIO_STREAMING

  1352. 	0,					// bInterfaceProtocol

  1353. 	0,					// iInterface

  1354. 	// Class-Specific AS Interface Descriptor

  1355. 	// USB DCD for Audio Devices 1.0, Section 4.5.2, Table 4-19, page 60

  1356. 	7, 					// bLength

  1357. 	0x24,					// bDescriptorType = CS_INTERFACE

  1358. 	1,					// bDescriptorSubtype, 1 = AS_GENERAL

  1359. 	3,					// bTerminalLink: Terminal ID = 3

  1360. 	3,					// bDelay (approx 3ms delay, audio lib updates)

  1361. 	0x01, 0x00,				// wFormatTag, 0x0001 = PCM

  1362. 	// Type I Format Descriptor

  1363. 	// USB DCD for Audio Data Formats 1.0, Section 2.2.5, Table 2-1, page 10

  1364. 	11,					// bLength

  1365. 	0x24,					// bDescriptorType = CS_INTERFACE

  1366. 	2,					// bDescriptorSubtype = FORMAT_TYPE

  1367. 	1,					// bFormatType = FORMAT_TYPE_I

  1368. 	2,					// bNrChannels = 2

  1369. 	2,					// bSubFrameSize = 2 byte

  1370. 	16,					// bBitResolution = 16 bits

  1371. 	1,					// bSamFreqType = 1 frequency

  1372. 	LSB(44100), MSB(44100), 0,		// tSamFreq

  1373. 	// Standard AS Isochronous Audio Data Endpoint Descriptor

  1374. 	// USB DCD for Audio Devices 1.0, Section 4.6.1.1, Table 4-20, page 61-62

  1375. 	9, 					// bLength

  1376. 	5, 					// bDescriptorType, 5 = ENDPOINT_DESCRIPTOR

  1377. 	AUDIO_RX_ENDPOINT,			// bEndpointAddress

  1378. 	0x05, 					// bmAttributes = isochronous, asynchronous

  1379. 	LSB(AUDIO_RX_SIZE), MSB(AUDIO_RX_SIZE),	// wMaxPacketSize

  1380. 	1,			 		// bInterval, 1 = every frame

  1381. 	0,					// bRefresh

  1382. 	AUDIO_SYNC_ENDPOINT | 0x80,		// bSynchAddress

  1383. 	// Class-Specific AS Isochronous Audio Data Endpoint Descriptor

  1384. 	// USB DCD for Audio Devices 1.0, Section 4.6.1.2, Table 4-21, page 62-63

  1385. 	7,  					// bLength

  1386. 	0x25,  					// bDescriptorType, 0x25 = CS_ENDPOINT

  1387. 	1,  					// bDescriptorSubtype, 1 = EP_GENERAL

  1388. 	0x00,  					// bmAttributes

  1389. 	0,  					// bLockDelayUnits, 1 = ms

  1390. 	0x00, 0x00,  				// wLockDelay

  1391. 	// Standard AS Isochronous Audio Synch Endpoint Descriptor

  1392. 	// USB DCD for Audio Devices 1.0, Section 4.6.2.1, Table 4-22, page 63-64

  1393. 	9, 					// bLength

  1394. 	5, 					// bDescriptorType, 5 = ENDPOINT_DESCRIPTOR

  1395. 	AUDIO_SYNC_ENDPOINT | 0x80,		// bEndpointAddress

  1396. 	0x11, 					// bmAttributes = isochronous, feedback

  1397. 	3, 0,					// wMaxPacketSize, 3 bytes

  1398. 	1,			 		// bInterval, 1 = every frame

  1399. 	5,					// bRefresh, 5 = 32ms

  1400. 	0,					// bSynchAddress

  1401. #endif

  1402. 

  1403. #ifdef MULTITOUCH_INTERFACE

  1404.         // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12

  1405.         9,                                      // bLength

  1406.         4,                                      // bDescriptorType

  1407.         MULTITOUCH_INTERFACE,                   // bInterfaceNumber

  1408.         0,                                      // bAlternateSetting

  1409.         1,                                      // bNumEndpoints

  1410.         0x03,                                   // bInterfaceClass (0x03 = HID)

  1411.         0x00,                                   // bInterfaceSubClass

  1412.         0x00,                                   // bInterfaceProtocol

  1413.         0,                                      // iInterface

  1414.         // HID interface descriptor, HID 1.11 spec, section 6.2.1

  1415.         9,                                      // bLength

  1416.         0x21,                                   // bDescriptorType

  1417.         0x11, 0x01,                             // bcdHID

  1418.         0,                                      // bCountryCode

  1419.         1,                                      // bNumDescriptors

  1420.         0x22,                                   // bDescriptorType

  1421.         LSB(sizeof(multitouch_report_desc)),    // wDescriptorLength

  1422.         MSB(sizeof(multitouch_report_desc)),

  1423.         // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13

  1424.         7,                                      // bLength

  1425.         5,                                      // bDescriptorType

  1426.         MULTITOUCH_ENDPOINT | 0x80,             // bEndpointAddress

  1427.         0x03,                                   // bmAttributes (0x03=intr)

  1428.         MULTITOUCH_SIZE, 0,                     // wMaxPacketSize

  1429.         1,                                      // bInterval

  1430. #endif // KEYMEDIA_INTERFACE

  1431. };

  1432. 

  1433. 

  1434. // **************************************************************

  1435. //   String Descriptors

  1436. // **************************************************************

  1437. 

  1438. // The descriptors above can provide human readable strings,

  1439. // referenced by index numbers.  These descriptors are the

  1440. // actual string data

  1441. 

  1442. /* defined in usb_names.h

  1443. struct usb_string_descriptor_struct {

  1444.         uint8_t bLength;

  1445.         uint8_t bDescriptorType;

  1446.         uint16_t wString[];

  1447. };

  1448. */

  1449. 

  1450. extern struct usb_string_descriptor_struct usb_string_manufacturer_name

  1451.         __attribute__ ((weak, alias("usb_string_manufacturer_name_default")));

  1452. extern struct usb_string_descriptor_struct usb_string_product_name

  1453.         __attribute__ ((weak, alias("usb_string_product_name_default")));

  1454. extern struct usb_string_descriptor_struct usb_string_serial_number

  1455.         __attribute__ ((weak, alias("usb_string_serial_number_default")));

  1456. 

  1457. struct usb_string_descriptor_struct string0 = {

  1458.         4,

  1459.         3,

  1460.         {0x0409}

  1461. };

  1462. 

  1463. struct usb_string_descriptor_struct usb_string_manufacturer_name_default = {

  1464.         2 + MANUFACTURER_NAME_LEN * 2,

  1465.         3,

  1466.         MANUFACTURER_NAME

  1467. };

  1468. struct usb_string_descriptor_struct usb_string_product_name_default = {

  1469. 	2 + PRODUCT_NAME_LEN * 2,

  1470.         3,

  1471.         PRODUCT_NAME

  1472. };

  1473. struct usb_string_descriptor_struct usb_string_serial_number_default = {

  1474.         12,

  1475.         3,

  1476.         {0,0,0,0,0,0,0,0,0,0}

  1477. };

  1478. #ifdef MTP_INTERFACE

  1479. struct usb_string_descriptor_struct usb_string_mtp = {

  1480. 	2 + 3 * 2,

  1481. 	3,

  1482. 	{'M','T','P'}

  1483. };

  1484. #endif

  1485. 

  1486. void usb_init_serialnumber(void)

  1487. {

  1488. #if 1

  1489. 	char buf[11];

  1490. 	uint32_t i, num;

  1491. 

  1492. 	num = HW_OCOTP_MAC0 & 0xFFFFFF;

  1493. 	// add extra zero to work around OS-X CDC-ACM driver bug

  1494. 	if (num < 10000000) num = num * 10;

  1495. 	ultoa(num, buf, 10);

  1496. 	for (i=0; i<10; i++) {

  1497. 		char c = buf[i];

  1498. 		if (!c) break;

  1499. 		usb_string_serial_number_default.wString[i] = c;

  1500. 	}

  1501. 	usb_string_serial_number_default.bLength = i * 2 + 2;

  1502. #else

  1503. 	usb_string_serial_number_default.wString[0] = '1';

  1504. 	usb_string_serial_number_default.wString[1] = '2';

  1505. 	usb_string_serial_number_default.wString[2] = '3';

  1506. 	usb_string_serial_number_default.bLength = 3 * 2 + 2;

  1507. #endif

  1508. }

  1509. 

  1510. 

  1511. // **************************************************************

  1512. //   Descriptors List

  1513. // **************************************************************

  1514. 

  1515. // This table provides access to all the descriptor data above.

  1516. 

  1517. const usb_descriptor_list_t usb_descriptor_list[] = {

  1518. 	//wValue, wIndex, address,          length

  1519. 	{0x0100, 0x0000, device_descriptor, sizeof(device_descriptor)},

  1520. 	{0x0600, 0x0000, qualifier_descriptor, sizeof(qualifier_descriptor)},

  1521. 	{0x0200, 0x0000, config_descriptor, sizeof(config_descriptor)},

  1522. 	{0x0700, 0x0000, config_descriptor, sizeof(config_descriptor)},

  1523. #ifdef SEREMU_INTERFACE

  1524. 	{0x2200, SEREMU_INTERFACE, seremu_report_desc, sizeof(seremu_report_desc)},

  1525. 	{0x2100, SEREMU_INTERFACE, config_descriptor+SEREMU_HID_DESC_OFFSET, 9},

  1526. #endif

  1527. #ifdef KEYBOARD_INTERFACE

  1528.         {0x2200, KEYBOARD_INTERFACE, keyboard_report_desc, sizeof(keyboard_report_desc)},

  1529.         {0x2100, KEYBOARD_INTERFACE, config_descriptor+KEYBOARD_HID_DESC_OFFSET, 9},

  1530. #endif

  1531. #ifdef MOUSE_INTERFACE

  1532.         {0x2200, MOUSE_INTERFACE, mouse_report_desc, sizeof(mouse_report_desc)},

  1533.         {0x2100, MOUSE_INTERFACE, config_descriptor+MOUSE_HID_DESC_OFFSET, 9},

  1534. #endif

  1535. #ifdef JOYSTICK_INTERFACE

  1536.         {0x2200, JOYSTICK_INTERFACE, joystick_report_desc, sizeof(joystick_report_desc)},

  1537.         {0x2100, JOYSTICK_INTERFACE, config_descriptor+JOYSTICK_HID_DESC_OFFSET, 9},

  1538. #endif

  1539. #ifdef RAWHID_INTERFACE

  1540. 	{0x2200, RAWHID_INTERFACE, rawhid_report_desc, sizeof(rawhid_report_desc)},

  1541. 	{0x2100, RAWHID_INTERFACE, config_descriptor+RAWHID_HID_DESC_OFFSET, 9},

  1542. #endif

  1543. #ifdef FLIGHTSIM_INTERFACE

  1544. 	{0x2200, FLIGHTSIM_INTERFACE, flightsim_report_desc, sizeof(flightsim_report_desc)},

  1545. 	{0x2100, FLIGHTSIM_INTERFACE, config_descriptor+FLIGHTSIM_HID_DESC_OFFSET, 9},

  1546. #endif

  1547. #ifdef KEYMEDIA_INTERFACE

  1548.         {0x2200, KEYMEDIA_INTERFACE, keymedia_report_desc, sizeof(keymedia_report_desc)},

  1549.         {0x2100, KEYMEDIA_INTERFACE, config_descriptor+KEYMEDIA_HID_DESC_OFFSET, 9},

  1550. #endif

  1551. #ifdef MULTITOUCH_INTERFACE

  1552.         {0x2200, MULTITOUCH_INTERFACE, multitouch_report_desc, sizeof(multitouch_report_desc)},

  1553.         {0x2100, MULTITOUCH_INTERFACE, config_descriptor+MULTITOUCH_HID_DESC_OFFSET, 9},

  1554. #endif

  1555. #ifdef MTP_INTERFACE

  1556. 	{0x0304, 0x0409, (const uint8_t *)&usb_string_mtp, 0},

  1557. #endif

  1558.         {0x0300, 0x0000, (const uint8_t *)&string0, 0},

  1559.         {0x0301, 0x0409, (const uint8_t *)&usb_string_manufacturer_name, 0},

  1560.         {0x0302, 0x0409, (const uint8_t *)&usb_string_product_name, 0},

  1561.         {0x0303, 0x0409, (const uint8_t *)&usb_string_serial_number, 0},

  1562. 	{0, 0, NULL, 0}

  1563. };

  1564. 

  1565. 

  1566. // **************************************************************

  1567. //   Endpoint Configuration

  1568. // **************************************************************

  1569. 

  1570. #if 0

  1571. // 0x00 = not used

  1572. // 0x19 = Recieve only

  1573. // 0x15 = Transmit only

  1574. // 0x1D = Transmit & Recieve

  1575. //

  1576. const uint8_t usb_endpoint_config_table[NUM_ENDPOINTS] =

  1577. {

  1578. 	0x00, 0x15, 0x19, 0x15, 0x00, 0x00, 0x00, 0x00,

  1579. 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

  1580. };

  1581. #endif

  1582. 

  1583. 

  1584. const uint32_t usb_endpoint_config_table[NUM_ENDPOINTS] =

  1585. {

  1586. #if (defined(ENDPOINT1_CONFIG) && NUM_ENDPOINTS >= 1)

  1587. 	ENDPOINT1_CONFIG,

  1588. #elif (NUM_ENDPOINTS >= 1)

  1589. 	ENDPOINT_TRANSMIT_UNUSED + ENDPOINT_RECEIVE_UNUSED,

  1590. #endif

  1591. #if (defined(ENDPOINT2_CONFIG) && NUM_ENDPOINTS >= 2)

  1592. 	ENDPOINT2_CONFIG,

  1593. #elif (NUM_ENDPOINTS >= 2)

  1594. 	ENDPOINT_TRANSMIT_UNUSED + ENDPOINT_RECEIVE_UNUSED,

  1595. #endif

  1596. #if (defined(ENDPOINT3_CONFIG) && NUM_ENDPOINTS >= 3)

  1597. 	ENDPOINT3_CONFIG,

  1598. #elif (NUM_ENDPOINTS >= 3)

  1599. 	ENDPOINT_TRANSMIT_UNUSED + ENDPOINT_RECEIVE_UNUSED,

  1600. #endif

  1601. #if (defined(ENDPOINT4_CONFIG) && NUM_ENDPOINTS >= 4)

  1602. 	ENDPOINT4_CONFIG,

  1603. #elif (NUM_ENDPOINTS >= 4)

  1604. 	ENDPOINT_TRANSMIT_UNUSED + ENDPOINT_RECEIVE_UNUSED,

  1605. #endif

  1606. #if (defined(ENDPOINT5_CONFIG) && NUM_ENDPOINTS >= 5)

  1607. 	ENDPOINT5_CONFIG,

  1608. #elif (NUM_ENDPOINTS >= 5)

  1609. 	ENDPOINT_TRANSMIT_UNUSED + ENDPOINT_RECEIVE_UNUSED,

  1610. #endif

  1611. #if (defined(ENDPOINT6_CONFIG) && NUM_ENDPOINTS >= 6)

  1612. 	ENDPOINT6_CONFIG,

  1613. #elif (NUM_ENDPOINTS >= 6)

  1614. 	ENDPOINT_TRANSMIT_UNUSED + ENDPOINT_RECEIVE_UNUSED,

  1615. #endif

  1616. #if (defined(ENDPOINT7_CONFIG) && NUM_ENDPOINTS >= 7)

  1617. 	ENDPOINT7_CONFIG,

  1618. #elif (NUM_ENDPOINTS >= 7)

  1619. 	ENDPOINT_TRANSMIT_UNUSED + ENDPOINT_RECEIVE_UNUSED,

  1620. #endif

  1621. };

  1622. 

  1623. 

  1624. #endif // NUM_ENDPOINTS

  1625. //#endif // F_CPU >= 20 MHz