- /* USB Keyboard and CDC Serial Device for Teensy USB Development Board
- * Copyright (c) 2009 PJRC.COM, LLC
- * Modifications by Jacob Alexander (2011-2015)
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
- #pragma once
-
- // ----- Includes -----
-
- // Compiler Includes
- #include <stdint.h>
-
- // AVR Includes
- #include <avr/io.h>
- #include <avr/pgmspace.h>
- #include <avr/interrupt.h>
- #include <avr/wdt.h>
-
- // AVR Util Includes
- #include <util/delay.h>
-
- // Local Includes
- #include "output_com.h"
-
-
-
- // ----- Function Declarations -----
-
- // Basic USB Configuration
- uint8_t usb_init(); // initialize everything
- uint8_t usb_configured(); // is the USB port configured
-
- // Keyboard HID Functions
- void usb_keyboard_send();
-
- // Chip Level Functions
- void usb_device_reload(); // Enable firmware reflash mode
-
- // USB Serial CDC Functions
- int16_t usb_serial_getchar(); // receive a character (-1 if timeout/error)
- uint8_t usb_serial_available(); // number of bytes in receive buffer
- void usb_serial_flush_input(); // discard any buffered input
-
- // transmitting data
- int8_t usb_serial_putchar(uint8_t c); // transmit a character
- int8_t usb_serial_putchar_nowait(uint8_t c); // transmit a character, do not wait
- int8_t usb_serial_write(const char *buffer, uint16_t size); // transmit a buffer
- void usb_serial_flush_output(); // immediately transmit any buffered output
-
- // serial parameters
- uint32_t usb_serial_get_baud(); // get the baud rate
- uint8_t usb_serial_get_stopbits(); // get the number of stop bits
- uint8_t usb_serial_get_paritytype(); // get the parity type
- uint8_t usb_serial_get_numbits(); // get the number of data bits
- uint8_t usb_serial_get_control(); // get the RTS and DTR signal state
- int8_t usb_serial_set_control(uint8_t signals); // set DSR, DCD, RI, etc
-
-
-
- // ----- Macros -----
-
- // Software reset the chip
- #define usb_device_software_reset() do { wdt_enable( WDTO_15MS ); for(;;); } while(0)
-
- // See EPSIZE -> UECFG1X - 128 and 256 bytes are for endpoint 1 only
- #define EP_SIZE(s) ((s) == 256 ? 0x50 : \
- ((s) == 128 ? 0x40 : \
- ((s) == 64 ? 0x30 : \
- ((s) == 32 ? 0x20 : \
- ((s) == 16 ? 0x10 : \
- 0x00)))))
-
- #define LSB(n) (n & 255)
- #define MSB(n) ((n >> 8) & 255)
-
-
-
- // ----- Defines -----
-
- // constants corresponding to the various serial parameters
- #define USB_SERIAL_DTR 0x01
- #define USB_SERIAL_RTS 0x02
- #define USB_SERIAL_1_STOP 0
- #define USB_SERIAL_1_5_STOP 1
- #define USB_SERIAL_2_STOP 2
- #define USB_SERIAL_PARITY_NONE 0
- #define USB_SERIAL_PARITY_ODD 1
- #define USB_SERIAL_PARITY_EVEN 2
- #define USB_SERIAL_PARITY_MARK 3
- #define USB_SERIAL_PARITY_SPACE 4
- #define USB_SERIAL_DCD 0x01
- #define USB_SERIAL_DSR 0x02
- #define USB_SERIAL_BREAK 0x04
- #define USB_SERIAL_RI 0x08
- #define USB_SERIAL_FRAME_ERR 0x10
- #define USB_SERIAL_PARITY_ERR 0x20
- #define USB_SERIAL_OVERRUN_ERR 0x40
-
- #define EP_TYPE_CONTROL 0x00
- #define EP_TYPE_BULK_IN 0x81
- #define EP_TYPE_BULK_OUT 0x80
- #define EP_TYPE_INTERRUPT_IN 0xC1
- #define EP_TYPE_INTERRUPT_OUT 0xC0
- #define EP_TYPE_ISOCHRONOUS_IN 0x41
- #define EP_TYPE_ISOCHRONOUS_OUT 0x40
-
- #define EP_SINGLE_BUFFER 0x02
- #define EP_DOUBLE_BUFFER 0x06
-
- #define MAX_ENDPOINT 4
-
- #if defined(__AVR_AT90USB162__)
- #define HW_CONFIG()
- #define PLL_CONFIG() (PLLCSR = ((1<<PLLE)|(1<<PLLP0)))
- #define USB_CONFIG() (USBCON = (1<<USBE))
- #define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
-
- #elif defined(__AVR_ATmega32U4__)
- #define HW_CONFIG() (UHWCON = 0x01)
- #define PLL_CONFIG() (PLLCSR = 0x12)
- #define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
- #define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
-
- #elif defined(__AVR_AT90USB646__)
- #define HW_CONFIG() (UHWCON = 0x81)
- #define PLL_CONFIG() (PLLCSR = 0x1A)
- #define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
- #define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
-
- #elif defined(__AVR_AT90USB1286__)
- #define HW_CONFIG() (UHWCON = 0x81)
- #define PLL_CONFIG() (PLLCSR = 0x16)
- #define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
- #define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
- #endif
-
- // standard control endpoint request types
- #define GET_STATUS 0
- #define CLEAR_FEATURE 1
- #define SET_FEATURE 3
- #define SET_ADDRESS 5
- #define GET_DESCRIPTOR 6
- #define GET_CONFIGURATION 8
- #define SET_CONFIGURATION 9
- #define GET_INTERFACE 10
- #define SET_INTERFACE 11
-
- // HID (human interface device)
- #define HID_GET_REPORT 1
- #define HID_GET_IDLE 2
- #define HID_GET_PROTOCOL 3
- #define HID_SET_REPORT 9
- #define HID_SET_IDLE 10
- #define HID_SET_PROTOCOL 11
-
- // CDC (communication class device)
- #define CDC_SET_LINE_CODING 0x20
- #define CDC_GET_LINE_CODING 0x21
- #define CDC_SET_CONTROL_LINE_STATE 0x22
-
- // CDC Configuration
- // When you write data, it goes into a USB endpoint buffer, which
- // is transmitted to the PC when it becomes full, or after a timeout
- // with no more writes. Even if you write in exactly packet-size
- // increments, this timeout is used to send a "zero length packet"
- // that tells the PC no more data is expected and it should pass
- // any buffered data to the application that may be waiting. If
- // you want data sent immediately, call usb_serial_flush_output().
- #define TRANSMIT_FLUSH_TIMEOUT 5 /* in milliseconds */
-
- // If the PC is connected but not "listening", this is the length
- // of time before usb_serial_getchar() returns with an error. This
- // is roughly equivilant to a real UART simply transmitting the
- // bits on a wire where nobody is listening, except you get an error
- // code which you can ignore for serial-like discard of data, or
- // use to know your data wasn't sent.
- #define TRANSMIT_TIMEOUT 25 /* in milliseconds */
-
-
-
- // ----- Endpoint Configuration -----
-
- #define ENDPOINT0_SIZE 32
-
- #define KEYBOARD_NKRO_INTERFACE 0
- #define KEYBOARD_NKRO_ENDPOINT 1
- #define KEYBOARD_NKRO_SIZE 64
- #define KEYBOARD_NKRO_HID_BUFFER EP_DOUBLE_BUFFER
-
- #define KEYBOARD_INTERFACE 1
- #define KEYBOARD_ENDPOINT 2
- #define KEYBOARD_SIZE 8
- #define KEYBOARD_HID_BUFFER EP_DOUBLE_BUFFER
-
- #define CDC_IAD_DESCRIPTOR 1
- #define CDC_STATUS_INTERFACE 2
- #define CDC_DATA_INTERFACE 3
- #define CDC_ACM_ENDPOINT 3
- #define CDC_RX_ENDPOINT 4
- #define CDC_TX_ENDPOINT 5
- #if defined(__AVR_AT90USB162__)
- #define CDC_ACM_SIZE 16
- #define CDC_ACM_BUFFER EP_SINGLE_BUFFER
- #define CDC_RX_SIZE 32
- #define CDC_RX_BUFFER EP_DOUBLE_BUFFER
- #define CDC_TX_SIZE 32
- #define CDC_TX_BUFFER EP_DOUBLE_BUFFER
- #else
- #define CDC_ACM_SIZE 16
- #define CDC_ACM_BUFFER EP_SINGLE_BUFFER
- #define CDC_RX_SIZE 64
- #define CDC_RX_BUFFER EP_DOUBLE_BUFFER
- #define CDC_TX_SIZE 64
- #define CDC_TX_BUFFER EP_DOUBLE_BUFFER
- #endif
-
- // Endpoint 0 is reserved for the control endpoint
- // Endpoint 1 has a 256 byte buffer
- // Endpoints 2-6 have 64 byte buffers
- static const uint8_t PROGMEM endpoint_config_table[] = {
- 1, EP_TYPE_INTERRUPT_IN, EP_SIZE(KEYBOARD_NKRO_SIZE) | KEYBOARD_NKRO_HID_BUFFER, // 256 byte
- 1, EP_TYPE_INTERRUPT_IN, EP_SIZE(KEYBOARD_SIZE) | KEYBOARD_HID_BUFFER, // 64 byte
- 1, EP_TYPE_INTERRUPT_IN, EP_SIZE(CDC_ACM_SIZE) | CDC_ACM_BUFFER, // 64 byte
- 1, EP_TYPE_BULK_OUT, EP_SIZE(CDC_RX_SIZE) | CDC_RX_BUFFER, // 64 byte
- 1, EP_TYPE_BULK_IN, EP_SIZE(CDC_TX_SIZE) | CDC_TX_BUFFER, // 64 byte
- 0, // 64 byte
- };
-
-
-
- // ----- Descriptor Configuration -----
-
- // Descriptors are the data that your computer reads when it auto-detects
- // this USB device (called "enumeration" in USB lingo). The most commonly
- // changed items are editable at the top of this file. Changing things
- // in here should only be done by those who've read chapter 9 of the USB
- // spec and relevant portions of any USB class specifications!
-
-
- static const uint8_t PROGMEM device_descriptor[] = {
- 18, // bLength
- 1, // bDescriptorType
- 0x00, 0x02, // bcdUSB
- 0x00, // bDeviceClass - Composite device, 0x00 is required for Windows
- 0, // bDeviceSubClass
- 0, // bDeviceProtocol
- ENDPOINT0_SIZE, // bMaxPacketSize0
- LSB(VENDOR_ID), MSB(VENDOR_ID), // idVendor
- LSB(PRODUCT_ID), MSB(PRODUCT_ID), // idProduct
- 0x00, 0x01, // bcdDevice
- 1, // iManufacturer
- 2, // iProduct
- 3, // iSerialNumber
- 1 // bNumConfigurations
- };
-
- // Specify only a single USB speed
- static const uint8_t PROGMEM device_qualifier_descriptor[] = {
- 0
- };
-
- // Disable USB debug descriptor
- static const uint8_t PROGMEM usb_debug_descriptor[] = {
- 0
- };
-
- // Keyboard Protocol 1, HID 1.11 spec, Appendix B, page 59-60
- static const uint8_t PROGMEM keyboard_hid_report_desc[] = {
- // Keyboard Collection
- 0x05, 0x01, // Usage Page (Generic Desktop),
- 0x09, 0x06, // Usage (Keyboard),
- 0xA1, 0x01, // Collection (Application) - Keyboard,
-
- // Modifier Byte
- 0x75, 0x01, // Report Size (1),
- 0x95, 0x08, // Report Count (8),
- 0x05, 0x07, // Usage Page (Key Codes),
- 0x19, 0xE0, // Usage Minimum (224),
- 0x29, 0xE7, // Usage Maximum (231),
- 0x15, 0x00, // Logical Minimum (0),
- 0x25, 0x01, // Logical Maximum (1),
- 0x81, 0x02, // Input (Data, Variable, Absolute),
-
- // Reserved Byte
- 0x75, 0x08, // Report Size (8),
- 0x95, 0x01, // Report Count (1),
- 0x81, 0x03, // Output (Constant),
-
- // LED Report
- 0x75, 0x01, // Report Size (1),
- 0x95, 0x05, // Report Count (5),
- 0x05, 0x08, // Usage Page (LEDs),
- 0x19, 0x01, // Usage Minimum (1),
- 0x29, 0x05, // Usage Maximum (5),
- 0x91, 0x02, // Output (Data, Variable, Absolute),
-
- // LED Report Padding
- 0x75, 0x03, // Report Size (3),
- 0x95, 0x01, // Report Count (1),
- 0x91, 0x03, // Output (Constant),
-
- // Normal Keys
- 0x75, 0x08, // Report Size (8),
- 0x95, 0x06, // Report Count (6),
- 0x15, 0x00, // Logical Minimum (0),
- 0x25, 0x7F, // Logical Maximum(104),
- 0x05, 0x07, // Usage Page (Key Codes),
- 0x19, 0x00, // Usage Minimum (0),
- 0x29, 0x7F, // Usage Maximum (104),
- 0x81, 0x00, // Input (Data, Array),
- 0xc0, // End Collection - Keyboard
- };
-
- // Keyboard Protocol 1, HID 1.11 spec, Appendix B, page 59-60
- static const uint8_t PROGMEM keyboard_nkro_hid_report_desc[] = {
- // Keyboard Collection
- 0x05, 0x01, // Usage Page (Generic Desktop),
- 0x09, 0x06, // Usage (Keyboard),
- 0xA1, 0x01, // Collection (Application) - Keyboard,
-
- // LED Report
- 0x85, 0x01, // Report ID (1),
- 0x75, 0x01, // Report Size (1),
- 0x95, 0x05, // Report Count (5),
- 0x05, 0x08, // Usage Page (LEDs),
- 0x19, 0x01, // Usage Minimum (1),
- 0x29, 0x05, // Usage Maximum (5),
- 0x91, 0x02, // Output (Data, Variable, Absolute),
-
- // LED Report Padding
- 0x75, 0x03, // Report Size (3),
- 0x95, 0x01, // Report Count (1),
- 0x91, 0x03, // Output (Constant),
-
- // Normal Keys - Using an NKRO Bitmap
- //
- // NOTES:
- // Supports all keys defined by the spec, except 1-3 which define error events
- // and 0 which is "no keys pressed"
- // See http://www.usb.org/developers/hidpage/Hut1_12v2.pdf Chapter 10
- // Or Macros/PartialMap/usb_hid.h
- //
- // 50 (ISO \ due to \ bug) and 156 (Clear due to Delete bug) must be excluded
- // due to a Linux bug with bitmaps (not useful anyways)
- // 165-175 are reserved/unused as well as 222-223 and 232-65535
- //
- // Compatibility Notes:
- // - Using a second endpoint for a boot mode device helps with compatibility
- // - DO NOT use Padding in the descriptor for bitfields
- // (Mac OSX silently fails... Windows/Linux work correctly)
- // - DO NOT use Report IDs, Windows 8.1 will not update keyboard correctly (modifiers disappear)
- // (all other OSs, including OSX work fine...)
- // (you can use them *iff* you only have 1 per collection)
- // - Mac OSX and Windows 8.1 are extremely picky about padding
- //
- // Packing of bitmaps are as follows:
- // 4-49 : 6 bytes (0x04-0x31) ( 46 bits + 2 padding bits for 6 bytes total)
- // 51-155 : 14 bytes (0x33-0x9B) (105 bits + 6 padding bits for 15 bytes total)
- // 157-164 : 1 byte (0x9D-0xA4) ( 8 bits)
- // 176-221 : 6 bytes (0xB0-0xDD) ( 46 bits + 2 padding bits for 6 bytes total)
- // 224-231 : 1 byte (0xE0-0xE7) ( 8 bits)
-
- // Modifier Byte
- 0x75, 0x01, // Report Size (1),
- 0x95, 0x08, // Report Count (8),
- 0x15, 0x00, // Logical Minimum (0),
- 0x25, 0x01, // Logical Maximum (1),
- 0x05, 0x07, // Usage Page (Key Codes),
- 0x19, 0xE0, // Usage Minimum (224),
- 0x29, 0xE7, // Usage Maximum (231),
- 0x81, 0x02, // Input (Data, Variable, Absolute),
-
- // 4-49 (6 bytes/46 bits) - MainKeys
- 0x75, 0x01, // Report Size (1),
- 0x95, 0x2E, // Report Count (46),
- 0x15, 0x00, // Logical Minimum (0),
- 0x25, 0x01, // Logical Maximum (1),
- 0x05, 0x07, // Usage Page (Key Codes),
- 0x19, 0x04, // Usage Minimum (4),
- 0x29, 0x31, // Usage Maximum (49),
- 0x81, 0x02, // Input (Data, Variable, Absolute, Bitfield),
-
- // Padding (2 bits)
- 0x75, 0x02, // Report Size (2),
- 0x95, 0x01, // Report Count (1),
- 0x81, 0x03, // Input (Constant),
-
- // 51-155 (14 bytes/105 bits) - SecondaryKeys
- 0x75, 0x01, // Report Size (1),
- 0x95, 0x69, // Report Count (105),
- 0x15, 0x00, // Logical Minimum (0),
- 0x25, 0x01, // Logical Maximum (1),
- 0x05, 0x07, // Usage Page (Key Codes),
- 0x19, 0x33, // Usage Minimum (51),
- 0x29, 0x9B, // Usage Maximum (155),
- 0x81, 0x02, // Input (Data, Variable, Absolute, Bitfield),
-
- // Padding (7 bits)
- 0x75, 0x07, // Report Size (7),
- 0x95, 0x01, // Report Count (1),
- 0x81, 0x03, // Input (Constant),
-
- // 157-164 (1 byte/8 bits) - TertiaryKeys
- 0x75, 0x01, // Report Size (1),
- 0x95, 0x08, // Report Count (8),
- 0x15, 0x00, // Logical Minimum (0),
- 0x25, 0x01, // Logical Maximum (1),
- 0x05, 0x07, // Usage Page (Key Codes),
- 0x19, 0x9D, // Usage Minimum (157),
- 0x29, 0xA4, // Usage Maximum (164),
- 0x81, 0x02, // Input (Data, Variable, Absolute, Bitfield),
-
- // 176-221 (6 bytes/46 bits) - QuartiaryKeys
- 0x75, 0x01, // Report Size (1),
- 0x95, 0x2E, // Report Count (46),
- 0x15, 0x00, // Logical Minimum (0),
- 0x25, 0x01, // Logical Maximum (1),
- 0x05, 0x07, // Usage Page (Key Codes),
- 0x19, 0xB0, // Usage Minimum (176),
- 0x29, 0xDD, // Usage Maximum (221),
- 0x81, 0x02, // Input (Data, Variable, Absolute, Bitfield),
-
- // Padding (2 bits)
- 0x75, 0x02, // Report Size (2),
- 0x95, 0x01, // Report Count (1),
- 0x81, 0x03, // Input (Constant),
- 0xc0, // End Collection - Keyboard
-
- // System Control Collection
- //
- // NOTES:
- // Not bothering with NKRO for this table. If there's need, I can implement it. -HaaTa
- // Using a 1KRO scheme
- 0x05, 0x01, // Usage Page (Generic Desktop),
- 0x09, 0x80, // Usage (System Control),
- 0xA1, 0x01, // Collection (Application),
- 0x85, 0x02, // Report ID (2),
- 0x75, 0x08, // Report Size (8),
- 0x95, 0x01, // Report Count (1),
- 0x16, 0x81, 0x00, // Logical Minimum (129),
- 0x26, 0xB7, 0x00, // Logical Maximum (183),
- 0x19, 0x81, // Usage Minimum (129),
- 0x29, 0xB7, // Usage Maximum (183),
- 0x81, 0x00, // Input (Data, Array),
- 0xc0, // End Collection - System Control
-
- // Consumer Control Collection - Media Keys
- //
- // NOTES:
- // Not bothering with NKRO for this table. If there's a need, I can implement it. -HaaTa
- // Using a 1KRO scheme
- 0x05, 0x0c, // Usage Page (Consumer),
- 0x09, 0x01, // Usage (Consumer Control),
- 0xA1, 0x01, // Collection (Application),
- 0x85, 0x03, // Report ID (3),
- 0x75, 0x10, // Report Size (16),
- 0x95, 0x01, // Report Count (1),
- 0x16, 0x20, 0x00, // Logical Minimum (32),
- 0x26, 0x9C, 0x02, // Logical Maximum (668),
- 0x05, 0x0C, // Usage Page (Consumer),
- 0x19, 0x20, // Usage Minimum (32),
- 0x2A, 0x9C, 0x02, // Usage Maximum (668),
- 0x81, 0x00, // Input (Data, Array),
- 0xc0, // End Collection - Consumer Control
- };
-
- // <Configuration> + <Keyboard HID> + <NKRO Keyboard HID> + <Serial CDC>
- #define CONFIG1_DESC_SIZE (9 + 9+9+7 + 9+9+7 + 8+9+5+5+4+5+7+9+7+7)
- #define KEYBOARD_HID_DESC_OFFSET (9 + 9)
- #define KEYBOARD_NKRO_HID_DESC_OFFSET (9 + 9+9+7 + 9)
- #define SERIAL_CDC_DESC_OFFSET (9 + 9+9+7 + 9+9+7)
- static const uint8_t PROGMEM config1_descriptor[CONFIG1_DESC_SIZE] = {
- // --- Configuration ---
- // - 9 bytes -
- // configuration descriptor, USB spec 9.6.3, page 264-266, Table 9-10
- 9, // bLength;
- 2, // bDescriptorType;
- LSB(CONFIG1_DESC_SIZE), // wTotalLength
- MSB(CONFIG1_DESC_SIZE),
- 4, // bNumInterfaces
- 1, // bConfigurationValue
- 0, // iConfiguration
- 0x80, // bmAttributes
- 250, // bMaxPower
-
- // --- Keyboard HID ---
- // - 9 bytes -
- // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
- 9, // bLength
- 4, // bDescriptorType
- KEYBOARD_INTERFACE, // bInterfaceNumber
- 0, // bAlternateSetting
- 1, // bNumEndpoints
- 0x03, // bInterfaceClass (0x03 = HID)
- 0x01, // bInterfaceSubClass (0x00 = Non-Boot, 0x01 = Boot)
- 0x01, // bInterfaceProtocol (0x01 = Keyboard)
- 0, // iInterface
- // - 9 bytes -
- // HID interface descriptor, HID 1.11 spec, section 6.2.1
- 9, // bLength
- 0x21, // bDescriptorType
- 0x11, 0x01, // bcdHID
- 0, // bCountryCode - Setting to 0/Undefined
- 1, // bNumDescriptors
- 0x22, // bDescriptorType
- LSB(sizeof(keyboard_hid_report_desc)), // wDescriptorLength
- MSB(sizeof(keyboard_hid_report_desc)),
- // - 7 bytes -
- // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
- 7, // bLength
- 5, // bDescriptorType
- KEYBOARD_ENDPOINT | 0x80, // bEndpointAddress
- 0x03, // bmAttributes (0x03=intr)
- KEYBOARD_SIZE, 0, // wMaxPacketSize
- 1, // bInterval
-
- // --- NKRO Keyboard HID ---
- // - 9 bytes -
- // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
- 9, // bLength
- 4, // bDescriptorType
- KEYBOARD_NKRO_INTERFACE, // bInterfaceNumber
- 0, // bAlternateSetting
- 1, // bNumEndpoints
- 0x03, // bInterfaceClass (0x03 = HID)
- 0x00, // bInterfaceSubClass (0x00 = Non-Boot, 0x01 = Boot)
- 0x01, // bInterfaceProtocol (0x01 = Keyboard)
- 0, // iInterface
- // - 9 bytes -
- // HID interface descriptor, HID 1.11 spec, section 6.2.1
- 9, // bLength
- 0x21, // bDescriptorType
- 0x11, 0x01, // bcdHID
- 0, // bCountryCode - Setting to 0/Undefined
- 1, // bNumDescriptors
- 0x22, // bDescriptorType
- // wDescriptorLength
- LSB(sizeof(keyboard_nkro_hid_report_desc)),
- MSB(sizeof(keyboard_nkro_hid_report_desc)),
- // - 7 bytes -
- // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
- 7, // bLength
- 5, // bDescriptorType
- KEYBOARD_NKRO_ENDPOINT | 0x80, // bEndpointAddress
- 0x03, // bmAttributes (0x03=intr)
- KEYBOARD_NKRO_SIZE, 0, // wMaxPacketSize
- 1, // bInterval
-
- // --- Serial CDC ---
- // - 8 bytes -
- // interface association descriptor, USB ECN, Table 9-Z
- 8, // bLength
- 11, // bDescriptorType
- CDC_STATUS_INTERFACE, // bFirstInterface
- 2, // bInterfaceCount
- 0x02, // bFunctionClass
- 0x02, // bFunctionSubClass
- 0x01, // bFunctionProtocol
- 4, // iFunction
- // - 9 bytes -
- // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
- 9, // bLength
- 4, // bDescriptorType
- CDC_STATUS_INTERFACE, // bInterfaceNumber
- 0, // bAlternateSetting
- 1, // bNumEndpoints
- 0x02, // bInterfaceClass
- 0x02, // bInterfaceSubClass
- 0x01, // bInterfaceProtocol
- 0, // iInterface
- // - 5 bytes -
- // CDC Header Functional Descriptor, CDC Spec 5.2.3.1, Table 26
- 5, // bFunctionLength
- 0x24, // bDescriptorType
- 0x00, // bDescriptorSubtype
- 0x10, 0x01, // bcdCDC
- // - 5 bytes -
- // Call Management Functional Descriptor, CDC Spec 5.2.3.2, Table 27
- 5, // bFunctionLength
- 0x24, // bDescriptorType
- 0x01, // bDescriptorSubtype
- 0x01, // bmCapabilities
- 1, // bDataInterface
- // - 4 bytes -
- // Abstract Control Management Functional Descriptor, CDC Spec 5.2.3.3, Table 28
- 4, // bFunctionLength
- 0x24, // bDescriptorType
- 0x02, // bDescriptorSubtype
- 0x06, // bmCapabilities
- // - 5 bytes -
- // Union Functional Descriptor, CDC Spec 5.2.3.8, Table 33
- 5, // bFunctionLength
- 0x24, // bDescriptorType
- 0x06, // bDescriptorSubtype
- CDC_STATUS_INTERFACE, // bMasterInterface
- CDC_DATA_INTERFACE, // bSlaveInterface0
- // - 7 bytes -
- // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
- 7, // bLength
- 5, // bDescriptorType
- CDC_ACM_ENDPOINT | 0x80, // bEndpointAddress
- 0x03, // bmAttributes (0x03=intr)
- CDC_ACM_SIZE, 0, // wMaxPacketSize
- 64, // bInterval
- // - 9 bytes -
- // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
- 9, // bLength
- 4, // bDescriptorType
- CDC_DATA_INTERFACE, // bInterfaceNumber
- 0, // bAlternateSetting
- 2, // bNumEndpoints
- 0x0A, // bInterfaceClass
- 0x00, // bInterfaceSubClass
- 0x00, // bInterfaceProtocol
- 0, // iInterface
- // - 7 bytes -
- // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
- 7, // bLength
- 5, // bDescriptorType
- CDC_RX_ENDPOINT, // bEndpointAddress
- 0x02, // bmAttributes (0x02=bulk)
- CDC_RX_SIZE, 0, // wMaxPacketSize
- 0, // bInterval
- // - 7 bytes -
- // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
- 7, // bLength
- 5, // bDescriptorType
- CDC_TX_ENDPOINT | 0x80, // bEndpointAddress
- 0x02, // bmAttributes (0x02=bulk)
- CDC_TX_SIZE, 0, // wMaxPacketSize
- 0, // bInterval
- };
-
-
- // Configuration Endpoint (0) Descriptor
- struct usb_string_descriptor_struct {
- uint8_t bLength;
- uint8_t bDescriptorType;
- int16_t wString[];
- };
- static const struct usb_string_descriptor_struct PROGMEM string0 = {
- 4,
- 3,
- {0x0409}
- };
- static const struct usb_string_descriptor_struct PROGMEM string1 = {
- sizeof(STR_MANUFACTURER),
- 3,
- STR_MANUFACTURER
- };
- static const struct usb_string_descriptor_struct PROGMEM string2 = {
- sizeof(STR_PRODUCT),
- 3,
- STR_PRODUCT
- };
- static const struct usb_string_descriptor_struct PROGMEM string3 = {
- sizeof(STR_SERIAL),
- 3,
- STR_SERIAL
- };
-
- // This table defines which descriptor data is sent for each specific
- // request from the host (in wValue and wIndex).
- static const struct descriptor_list_struct {
- uint16_t wValue;
- uint16_t wIndex;
- const uint8_t *addr;
- uint8_t length;
- } PROGMEM descriptor_list[] = {
- {0x0100, 0x0000, device_descriptor, sizeof(device_descriptor)},
- {0x0200, 0x0000, config1_descriptor, sizeof(config1_descriptor)},
- {0x0600, 0x0000, device_qualifier_descriptor, sizeof(device_qualifier_descriptor)},
- {0x0A00, 0x0000, usb_debug_descriptor, sizeof(usb_debug_descriptor)},
- {0x2200, KEYBOARD_INTERFACE, keyboard_hid_report_desc, sizeof(keyboard_hid_report_desc)},
- {0x2100, KEYBOARD_INTERFACE, config1_descriptor + KEYBOARD_HID_DESC_OFFSET, 9},
- {0x2200, KEYBOARD_NKRO_INTERFACE, keyboard_nkro_hid_report_desc, sizeof(keyboard_nkro_hid_report_desc)},
- {0x2100, KEYBOARD_NKRO_INTERFACE, config1_descriptor + KEYBOARD_NKRO_HID_DESC_OFFSET, 9},
- {0x0300, 0x0000, (const uint8_t *)&string0, 4},
- {0x0301, 0x0409, (const uint8_t *)&string1, sizeof(STR_MANUFACTURER)},
- {0x0302, 0x0409, (const uint8_t *)&string2, sizeof(STR_PRODUCT)},
- {0x0303, 0x0409, (const uint8_t *)&string3, sizeof(STR_SERIAL)}
- };
- #define NUM_DESC_LIST (sizeof(descriptor_list)/sizeof(struct descriptor_list_struct))
-
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