979 lines
33 KiB
C
979 lines
33 KiB
C
/* USB Keyboard Plus Debug Channel Example for Teensy USB Development Board
|
|
* http://www.pjrc.com/teensy/usb_keyboard.html
|
|
* Copyright (c) 2009 PJRC.COM, LLC
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <avr/io.h>
|
|
#include <avr/pgmspace.h>
|
|
#include <avr/interrupt.h>
|
|
#include "usb.h"
|
|
#include "usb_keyboard.h"
|
|
#include "usb_mouse.h"
|
|
#include "usb_debug.h"
|
|
#include "usb_extra.h"
|
|
#include "print.h"
|
|
#include "util.h"
|
|
|
|
|
|
/**************************************************************************
|
|
*
|
|
* Configurable Options
|
|
*
|
|
**************************************************************************/
|
|
|
|
// You can change these to give your code its own name.
|
|
#ifndef MANUFACTURER
|
|
# define STR_MANUFACTURER L"t.m.k."
|
|
#else
|
|
# define STR_MANUFACTURER LSTR(MANUFACTURER)
|
|
#endif
|
|
#ifndef PRODUCT
|
|
# define STR_PRODUCT L"t.m.k. keyboard"
|
|
#else
|
|
# define STR_PRODUCT LSTR(PRODUCT)
|
|
#endif
|
|
|
|
|
|
// Mac OS-X and Linux automatically load the correct drivers. On
|
|
// Windows, even though the driver is supplied by Microsoft, an
|
|
// INF file is needed to load the driver. These numbers need to
|
|
// match the INF file.
|
|
#ifndef VENDOR_ID
|
|
# define VENDOR_ID 0xFEED
|
|
#endif
|
|
|
|
#ifndef PRODUCT_ID
|
|
# define PRODUCT_ID 0xBABE
|
|
#endif
|
|
|
|
|
|
// USB devices are supposed to implment a halt feature, which is
|
|
// rarely (if ever) used. If you comment this line out, the halt
|
|
// code will be removed, saving 102 bytes of space (gcc 4.3.0).
|
|
// This is not strictly USB compliant, but works with all major
|
|
// operating systems.
|
|
#define SUPPORT_ENDPOINT_HALT
|
|
|
|
|
|
|
|
/**************************************************************************
|
|
*
|
|
* Endpoint Buffer Configuration
|
|
*
|
|
**************************************************************************/
|
|
|
|
#define ENDPOINT0_SIZE 32
|
|
|
|
bool remote_wakeup = false;
|
|
bool suspend = false;
|
|
|
|
// 0:control endpoint is enabled automatically by controller.
|
|
static const uint8_t PROGMEM endpoint_config_table[] = {
|
|
// enable, UECFG0X(type, direction), UECFG1X(size, bank, allocation)
|
|
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(KBD_SIZE) | KBD_BUFFER, // 1
|
|
#ifdef USB_MOUSE_ENABLE
|
|
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(MOUSE_SIZE) | MOUSE_BUFFER, // 2
|
|
#else
|
|
0, // 2
|
|
#endif
|
|
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(DEBUG_TX_SIZE) | DEBUG_TX_BUFFER, // 3
|
|
#ifdef USB_EXTRA_ENABLE
|
|
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(EXTRA_SIZE) | EXTRA_BUFFER, // 4
|
|
#else
|
|
0, // 4
|
|
#endif
|
|
#ifdef USB_NKRO_ENABLE
|
|
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(KBD2_SIZE) | KBD2_BUFFER, // 5
|
|
#else
|
|
0, // 5
|
|
#endif
|
|
0, // 6
|
|
};
|
|
|
|
|
|
/**************************************************************************
|
|
*
|
|
* Descriptor Data
|
|
*
|
|
**************************************************************************/
|
|
|
|
// 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 uint8_t PROGMEM device_descriptor[] = {
|
|
18, // bLength
|
|
1, // bDescriptorType
|
|
0x00, 0x02, // bcdUSB
|
|
0, // bDeviceClass
|
|
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
|
|
0, // iSerialNumber
|
|
1 // bNumConfigurations
|
|
};
|
|
|
|
// Keyboard Protocol 1, HID 1.11 spec, Appendix B, page 59-60
|
|
static uint8_t PROGMEM keyboard_hid_report_desc[] = {
|
|
0x05, 0x01, // Usage Page (Generic Desktop),
|
|
0x09, 0x06, // Usage (Keyboard),
|
|
0xA1, 0x01, // Collection (Application),
|
|
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), ;Modifier byte
|
|
0x95, 0x01, // Report Count (1),
|
|
0x75, 0x08, // Report Size (8),
|
|
0x81, 0x03, // Input (Constant), ;Reserved byte
|
|
0x95, 0x05, // Report Count (5),
|
|
0x75, 0x01, // Report Size (1),
|
|
0x05, 0x08, // Usage Page (LEDs),
|
|
0x19, 0x01, // Usage Minimum (1),
|
|
0x29, 0x05, // Usage Maximum (5),
|
|
0x91, 0x02, // Output (Data, Variable, Absolute), ;LED report
|
|
0x95, 0x01, // Report Count (1),
|
|
0x75, 0x03, // Report Size (3),
|
|
0x91, 0x03, // Output (Constant), ;LED report padding
|
|
0x95, KBD_REPORT_KEYS, // Report Count (),
|
|
0x75, 0x08, // Report Size (8),
|
|
0x15, 0x00, // Logical Minimum (0),
|
|
0x25, 0xFF, // Logical Maximum(255),
|
|
0x05, 0x07, // Usage Page (Key Codes),
|
|
0x19, 0x00, // Usage Minimum (0),
|
|
0x29, 0xFF, // Usage Maximum (255),
|
|
0x81, 0x00, // Input (Data, Array),
|
|
0xc0 // End Collection
|
|
};
|
|
#ifdef USB_NKRO_ENABLE
|
|
static uint8_t PROGMEM keyboard2_hid_report_desc[] = {
|
|
0x05, 0x01, // Usage Page (Generic Desktop),
|
|
0x09, 0x06, // Usage (Keyboard),
|
|
0xA1, 0x01, // Collection (Application),
|
|
// bitmap of modifiers
|
|
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), ;Modifier byte
|
|
// LED output report
|
|
0x95, 0x05, // Report Count (5),
|
|
0x75, 0x01, // Report Size (1),
|
|
0x05, 0x08, // Usage Page (LEDs),
|
|
0x19, 0x01, // Usage Minimum (1),
|
|
0x29, 0x05, // Usage Maximum (5),
|
|
0x91, 0x02, // Output (Data, Variable, Absolute),
|
|
0x95, 0x01, // Report Count (1),
|
|
0x75, 0x03, // Report Size (3),
|
|
0x91, 0x03, // Output (Constant),
|
|
// bitmap of keys
|
|
0x95, KBD2_REPORT_KEYS*8, // Report Count (),
|
|
0x75, 0x01, // Report Size (1),
|
|
0x15, 0x00, // Logical Minimum (0),
|
|
0x25, 0x01, // Logical Maximum(1),
|
|
0x05, 0x07, // Usage Page (Key Codes),
|
|
0x19, 0x00, // Usage Minimum (0),
|
|
0x29, KBD2_REPORT_KEYS*8-1, // Usage Maximum (),
|
|
0x81, 0x02, // Input (Data, Variable, Absolute),
|
|
0xc0 // End Collection
|
|
};
|
|
#endif
|
|
|
|
#ifdef USB_MOUSE_ENABLE
|
|
// Mouse Protocol 1, HID 1.11 spec, Appendix B, page 59-60, with wheel extension
|
|
// http://www.microchip.com/forums/tm.aspx?high=&m=391435&mpage=1#391521
|
|
// http://www.keil.com/forum/15671/
|
|
// http://www.microsoft.com/whdc/device/input/wheel.mspx
|
|
static uint8_t PROGMEM mouse_hid_report_desc[] = {
|
|
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
|
|
0x09, 0x02, // USAGE (Mouse)
|
|
0xa1, 0x01, // COLLECTION (Application)
|
|
0x09, 0x02, // USAGE (Mouse)
|
|
0xa1, 0x02, // COLLECTION (Logical)
|
|
0x09, 0x01, // USAGE (Pointer)
|
|
0xa1, 0x00, // COLLECTION (Physical)
|
|
// ------------------------------ Buttons
|
|
0x05, 0x09, // USAGE_PAGE (Button)
|
|
0x19, 0x01, // USAGE_MINIMUM (Button 1)
|
|
0x29, 0x05, // USAGE_MAXIMUM (Button 5)
|
|
0x15, 0x00, // LOGICAL_MINIMUM (0)
|
|
0x25, 0x01, // LOGICAL_MAXIMUM (1)
|
|
0x75, 0x01, // REPORT_SIZE (1)
|
|
0x95, 0x05, // REPORT_COUNT (5)
|
|
0x81, 0x02, // INPUT (Data,Var,Abs)
|
|
// ------------------------------ Padding
|
|
0x75, 0x03, // REPORT_SIZE (3)
|
|
0x95, 0x01, // REPORT_COUNT (1)
|
|
0x81, 0x03, // INPUT (Cnst,Var,Abs)
|
|
// ------------------------------ X,Y position
|
|
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
|
|
0x09, 0x30, // USAGE (X)
|
|
0x09, 0x31, // USAGE (Y)
|
|
0x15, 0x81, // LOGICAL_MINIMUM (-127)
|
|
0x25, 0x7f, // LOGICAL_MAXIMUM (127)
|
|
0x75, 0x08, // REPORT_SIZE (8)
|
|
0x95, 0x02, // REPORT_COUNT (2)
|
|
0x81, 0x06, // INPUT (Data,Var,Rel)
|
|
0xa1, 0x02, // COLLECTION (Logical)
|
|
// ------------------------------ Vertical wheel res multiplier
|
|
0x09, 0x48, // USAGE (Resolution Multiplier)
|
|
0x15, 0x00, // LOGICAL_MINIMUM (0)
|
|
0x25, 0x01, // LOGICAL_MAXIMUM (1)
|
|
0x35, 0x01, // PHYSICAL_MINIMUM (1)
|
|
0x45, 0x04, // PHYSICAL_MAXIMUM (4)
|
|
0x75, 0x02, // REPORT_SIZE (2)
|
|
0x95, 0x01, // REPORT_COUNT (1)
|
|
0xa4, // PUSH
|
|
0xb1, 0x02, // FEATURE (Data,Var,Abs)
|
|
// ------------------------------ Vertical wheel
|
|
0x09, 0x38, // USAGE (Wheel)
|
|
0x15, 0x81, // LOGICAL_MINIMUM (-127)
|
|
0x25, 0x7f, // LOGICAL_MAXIMUM (127)
|
|
0x35, 0x00, // PHYSICAL_MINIMUM (0) - reset physical
|
|
0x45, 0x00, // PHYSICAL_MAXIMUM (0)
|
|
0x75, 0x08, // REPORT_SIZE (8)
|
|
0x81, 0x06, // INPUT (Data,Var,Rel)
|
|
0xc0, // END_COLLECTION
|
|
0xa1, 0x02, // COLLECTION (Logical)
|
|
// ------------------------------ Horizontal wheel res multiplier
|
|
0x09, 0x48, // USAGE (Resolution Multiplier)
|
|
0xb4, // POP
|
|
0xb1, 0x02, // FEATURE (Data,Var,Abs)
|
|
// ------------------------------ Padding for Feature report
|
|
0x35, 0x00, // PHYSICAL_MINIMUM (0) - reset physical
|
|
0x45, 0x00, // PHYSICAL_MAXIMUM (0)
|
|
0x75, 0x04, // REPORT_SIZE (4)
|
|
0xb1, 0x03, // FEATURE (Cnst,Var,Abs)
|
|
// ------------------------------ Horizontal wheel
|
|
0x05, 0x0c, // USAGE_PAGE (Consumer Devices)
|
|
0x0a, 0x38, 0x02, // USAGE (AC Pan)
|
|
0x15, 0x81, // LOGICAL_MINIMUM (-127)
|
|
0x25, 0x7f, // LOGICAL_MAXIMUM (127)
|
|
0x75, 0x08, // REPORT_SIZE (8)
|
|
0x81, 0x06, // INPUT (Data,Var,Rel)
|
|
0xc0, // END_COLLECTION
|
|
0xc0, // END_COLLECTION
|
|
0xc0, // END_COLLECTION
|
|
0xc0 // END_COLLECTION
|
|
};
|
|
#endif
|
|
|
|
static uint8_t PROGMEM debug_hid_report_desc[] = {
|
|
0x06, 0x31, 0xFF, // Usage Page 0xFF31 (vendor defined)
|
|
0x09, 0x74, // Usage 0x74
|
|
0xA1, 0x53, // Collection 0x53
|
|
0x75, 0x08, // report size = 8 bits
|
|
0x15, 0x00, // logical minimum = 0
|
|
0x26, 0xFF, 0x00, // logical maximum = 255
|
|
0x95, DEBUG_TX_SIZE, // report count
|
|
0x09, 0x75, // usage
|
|
0x81, 0x02, // Input (array)
|
|
0xC0 // end collection
|
|
};
|
|
|
|
#ifdef USB_EXTRA_ENABLE
|
|
// audio controls & system controls
|
|
// http://www.microsoft.com/whdc/archive/w2kbd.mspx
|
|
static uint8_t PROGMEM extra_hid_report_desc[] = {
|
|
0x05, 0x0c, // USAGE_PAGE (Consumer Devices)
|
|
0x09, 0x01, // USAGE (Consumer Control)
|
|
0xa1, 0x01, // COLLECTION (Application)
|
|
0x85, 0x01, // REPORT_ID (1)
|
|
0x09, 0xe9, // USAGE (Volume Up)
|
|
0x09, 0xea, // USAGE (Volume Down)
|
|
0x15, 0x00, // LOGICAL_MINIMUM (0)
|
|
0x25, 0x01, // LOGICAL_MAXIMUM (1)
|
|
0x75, 0x01, // REPORT_SIZE (1)
|
|
0x95, 0x02, // REPORT_COUNT (2)
|
|
0x81, 0x02, // INPUT (Data,Var,Abs)
|
|
0x09, 0xe2, // USAGE (Mute)
|
|
0x15, 0x00, // LOGICAL_MINIMUM (0)
|
|
0x25, 0x01, // LOGICAL_MAXIMUM (1)
|
|
0x75, 0x01, // REPORT_SIZE (1)
|
|
0x95, 0x01, // REPORT_COUNT (1)
|
|
0x81, 0x06, // INPUT (Data,Var,Rel)
|
|
0x95, 0x05, // REPORT_COUNT (5)
|
|
0x81, 0x07, // INPUT (Cnst,Var,Abs)
|
|
0xc0, // END_COLLECTION
|
|
|
|
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
|
|
0x09, 0x80, // USAGE (System Control)
|
|
0xa1, 0x01, // COLLECTION (Application)
|
|
0x85, 0x02, // REPORT_ID (2)
|
|
0x19, 0x81, // USAGE_MINIMUM (System Power Down)
|
|
0x29, 0x83, // USAGE_MAXIMUM (System Wake Up)
|
|
0x95, 0x03, // REPORT_COUNT (3)
|
|
0x81, 0x06, // INPUT (Data,Var,Rel)
|
|
0x95, 0x05, // REPORT_COUNT (5)
|
|
0x81, 0x07, // INPUT (Cnst,Var,Rel)
|
|
0xc0 // END_COLLECTION
|
|
};
|
|
#endif
|
|
|
|
#define KBD_HID_DESC_NUM 0
|
|
#define KBD_HID_DESC_OFFSET (9+(9+9+7)*KBD_HID_DESC_NUM+9)
|
|
|
|
#ifdef USB_MOUSE_ENABLE
|
|
# define MOUSE_HID_DESC_NUM (KBD_HID_DESC_NUM + 1)
|
|
# define MOUSE_HID_DESC_OFFSET (9+(9+9+7)*MOUSE_HID_DESC_NUM+9)
|
|
#else
|
|
# define MOUSE_HID_DESC_NUM (KBD_HID_DESC_NUM + 0)
|
|
#endif
|
|
|
|
#define DEBUG_HID_DESC_NUM (MOUSE_HID_DESC_NUM + 1)
|
|
#define DEBUG_HID_DESC_OFFSET (9+(9+9+7)*DEBUG_HID_DESC_NUM+9)
|
|
|
|
#ifdef USB_EXTRA_ENABLE
|
|
# define EXTRA_HID_DESC_NUM (DEBUG_HID_DESC_NUM + 1)
|
|
# define EXTRA_HID_DESC_OFFSET (9+(9+9+7)*EXTRA_HID_DESC_NUM+9)
|
|
#else
|
|
# define EXTRA_HID_DESC_NUM (DEBUG_HID_DESC_NUM + 0)
|
|
#endif
|
|
|
|
#ifdef USB_NKRO_ENABLE
|
|
# define KBD2_HID_DESC_NUM (EXTRA_HID_DESC_NUM + 1)
|
|
# define KBD2_HID_DESC_OFFSET (9+(9+9+7)*EXTRA_HID_DESC_NUM+9)
|
|
#else
|
|
# define KBD2_HID_DESC_NUM (EXTRA_HID_DESC_NUM + 0)
|
|
#endif
|
|
|
|
#define NUM_INTERFACES (KBD2_HID_DESC_NUM + 1)
|
|
#define CONFIG1_DESC_SIZE (9+(9+9+7)*NUM_INTERFACES)
|
|
static uint8_t PROGMEM config1_descriptor[CONFIG1_DESC_SIZE] = {
|
|
// 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),
|
|
NUM_INTERFACES, // bNumInterfaces
|
|
1, // bConfigurationValue
|
|
0, // iConfiguration
|
|
0xA0, // bmAttributes
|
|
50, // bMaxPower
|
|
|
|
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
|
|
9, // bLength
|
|
4, // bDescriptorType
|
|
KBD_INTERFACE, // bInterfaceNumber
|
|
0, // bAlternateSetting
|
|
1, // bNumEndpoints
|
|
0x03, // bInterfaceClass (0x03 = HID)
|
|
0x01, // bInterfaceSubClass (0x01 = Boot)
|
|
0x01, // bInterfaceProtocol (0x01 = Keyboard)
|
|
0, // iInterface
|
|
// HID descriptor, HID 1.11 spec, section 6.2.1
|
|
9, // bLength
|
|
0x21, // bDescriptorType
|
|
0x11, 0x01, // bcdHID
|
|
0, // bCountryCode
|
|
1, // bNumDescriptors
|
|
0x22, // bDescriptorType
|
|
sizeof(keyboard_hid_report_desc), // wDescriptorLength
|
|
0,
|
|
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
|
|
7, // bLength
|
|
5, // bDescriptorType
|
|
KBD_ENDPOINT | 0x80, // bEndpointAddress
|
|
0x03, // bmAttributes (0x03=intr)
|
|
KBD_SIZE, 0, // wMaxPacketSize
|
|
10, // bInterval
|
|
|
|
#ifdef USB_MOUSE_ENABLE
|
|
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
|
|
9, // bLength
|
|
4, // bDescriptorType
|
|
MOUSE_INTERFACE, // bInterfaceNumber
|
|
0, // bAlternateSetting
|
|
1, // bNumEndpoints
|
|
0x03, // bInterfaceClass (0x03 = HID)
|
|
// ThinkPad T23 BIOS doesn't work with boot mouse.
|
|
0x00, // bInterfaceSubClass (0x01 = Boot)
|
|
0x00, // bInterfaceProtocol (0x02 = Mouse)
|
|
/*
|
|
0x01, // bInterfaceSubClass (0x01 = Boot)
|
|
0x02, // bInterfaceProtocol (0x02 = Mouse)
|
|
*/
|
|
0, // iInterface
|
|
// HID descriptor, HID 1.11 spec, section 6.2.1
|
|
9, // bLength
|
|
0x21, // bDescriptorType
|
|
0x11, 0x01, // bcdHID
|
|
0, // bCountryCode
|
|
1, // bNumDescriptors
|
|
0x22, // bDescriptorType
|
|
sizeof(mouse_hid_report_desc), // wDescriptorLength
|
|
0,
|
|
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
|
|
7, // bLength
|
|
5, // bDescriptorType
|
|
MOUSE_ENDPOINT | 0x80, // bEndpointAddress
|
|
0x03, // bmAttributes (0x03=intr)
|
|
MOUSE_SIZE, 0, // wMaxPacketSize
|
|
1, // bInterval
|
|
#endif
|
|
|
|
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
|
|
9, // bLength
|
|
4, // bDescriptorType
|
|
DEBUG_INTERFACE, // bInterfaceNumber
|
|
0, // bAlternateSetting
|
|
1, // bNumEndpoints
|
|
0x03, // bInterfaceClass (0x03 = HID)
|
|
0x00, // bInterfaceSubClass
|
|
0x00, // bInterfaceProtocol
|
|
0, // iInterface
|
|
// HID descriptor, HID 1.11 spec, section 6.2.1
|
|
9, // bLength
|
|
0x21, // bDescriptorType
|
|
0x11, 0x01, // bcdHID
|
|
0, // bCountryCode
|
|
1, // bNumDescriptors
|
|
0x22, // bDescriptorType
|
|
sizeof(debug_hid_report_desc), // wDescriptorLength
|
|
0,
|
|
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
|
|
7, // bLength
|
|
5, // bDescriptorType
|
|
DEBUG_TX_ENDPOINT | 0x80, // bEndpointAddress
|
|
0x03, // bmAttributes (0x03=intr)
|
|
DEBUG_TX_SIZE, 0, // wMaxPacketSize
|
|
1, // bInterval
|
|
|
|
#ifdef USB_EXTRA_ENABLE
|
|
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
|
|
9, // bLength
|
|
4, // bDescriptorType
|
|
EXTRA_INTERFACE, // bInterfaceNumber
|
|
0, // bAlternateSetting
|
|
1, // bNumEndpoints
|
|
0x03, // bInterfaceClass (0x03 = HID)
|
|
0x00, // bInterfaceSubClass
|
|
0x00, // bInterfaceProtocol
|
|
0, // iInterface
|
|
// HID descriptor, HID 1.11 spec, section 6.2.1
|
|
9, // bLength
|
|
0x21, // bDescriptorType
|
|
0x11, 0x01, // bcdHID
|
|
0, // bCountryCode
|
|
1, // bNumDescriptors
|
|
0x22, // bDescriptorType
|
|
sizeof(extra_hid_report_desc), // wDescriptorLength
|
|
0,
|
|
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
|
|
7, // bLength
|
|
5, // bDescriptorType
|
|
EXTRA_ENDPOINT | 0x80, // bEndpointAddress
|
|
0x03, // bmAttributes (0x03=intr)
|
|
EXTRA_SIZE, 0, // wMaxPacketSize
|
|
10, // bInterval
|
|
#endif
|
|
|
|
#ifdef USB_NKRO_ENABLE
|
|
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
|
|
9, // bLength
|
|
4, // bDescriptorType
|
|
KBD2_INTERFACE, // bInterfaceNumber
|
|
0, // bAlternateSetting
|
|
1, // bNumEndpoints
|
|
0x03, // bInterfaceClass (0x03 = HID)
|
|
0x00, // bInterfaceSubClass (0x01 = Boot)
|
|
0x00, // bInterfaceProtocol (0x01 = Keyboard)
|
|
0, // iInterface
|
|
// HID descriptor, HID 1.11 spec, section 6.2.1
|
|
9, // bLength
|
|
0x21, // bDescriptorType
|
|
0x11, 0x01, // bcdHID
|
|
0, // bCountryCode
|
|
1, // bNumDescriptors
|
|
0x22, // bDescriptorType
|
|
sizeof(keyboard2_hid_report_desc), // wDescriptorLength
|
|
0,
|
|
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
|
|
7, // bLength
|
|
5, // bDescriptorType
|
|
KBD2_ENDPOINT | 0x80, // bEndpointAddress
|
|
0x03, // bmAttributes (0x03=intr)
|
|
KBD2_SIZE, 0, // wMaxPacketSize
|
|
1, // bInterval
|
|
#endif
|
|
};
|
|
|
|
// If you're desperate for a little extra code memory, these strings
|
|
// can be completely removed if iManufacturer, iProduct, iSerialNumber
|
|
// in the device desciptor are changed to zeros.
|
|
struct usb_string_descriptor_struct {
|
|
uint8_t bLength;
|
|
uint8_t bDescriptorType;
|
|
int16_t wString[];
|
|
};
|
|
static struct usb_string_descriptor_struct PROGMEM string0 = {
|
|
4,
|
|
3,
|
|
{0x0409}
|
|
};
|
|
static struct usb_string_descriptor_struct PROGMEM string1 = {
|
|
sizeof(STR_MANUFACTURER),
|
|
3,
|
|
STR_MANUFACTURER
|
|
};
|
|
static struct usb_string_descriptor_struct PROGMEM string2 = {
|
|
sizeof(STR_PRODUCT),
|
|
3,
|
|
STR_PRODUCT
|
|
};
|
|
|
|
// This table defines which descriptor data is sent for each specific
|
|
// request from the host (in wValue and wIndex).
|
|
static struct descriptor_list_struct {
|
|
uint16_t wValue; // descriptor type
|
|
uint16_t wIndex;
|
|
const uint8_t *addr;
|
|
uint8_t length;
|
|
} PROGMEM descriptor_list[] = {
|
|
// DEVICE descriptor
|
|
{0x0100, 0x0000, device_descriptor, sizeof(device_descriptor)},
|
|
// CONFIGURATION descriptor
|
|
{0x0200, 0x0000, config1_descriptor, sizeof(config1_descriptor)},
|
|
// HID/REPORT descriptors
|
|
{0x2100, KBD_INTERFACE, config1_descriptor+KBD_HID_DESC_OFFSET, 9},
|
|
{0x2200, KBD_INTERFACE, keyboard_hid_report_desc, sizeof(keyboard_hid_report_desc)},
|
|
#ifdef USB_MOUSE_ENABLE
|
|
{0x2100, MOUSE_INTERFACE, config1_descriptor+MOUSE_HID_DESC_OFFSET, 9},
|
|
{0x2200, MOUSE_INTERFACE, mouse_hid_report_desc, sizeof(mouse_hid_report_desc)},
|
|
#endif
|
|
{0x2100, DEBUG_INTERFACE, config1_descriptor+DEBUG_HID_DESC_OFFSET, 9},
|
|
{0x2200, DEBUG_INTERFACE, debug_hid_report_desc, sizeof(debug_hid_report_desc)},
|
|
#ifdef USB_EXTRA_ENABLE
|
|
{0x2100, EXTRA_INTERFACE, config1_descriptor+EXTRA_HID_DESC_OFFSET, 9},
|
|
{0x2200, EXTRA_INTERFACE, extra_hid_report_desc, sizeof(extra_hid_report_desc)},
|
|
#endif
|
|
#ifdef USB_NKRO_ENABLE
|
|
{0x2100, KBD2_INTERFACE, config1_descriptor+KBD2_HID_DESC_OFFSET, 9},
|
|
{0x2200, KBD2_INTERFACE, keyboard2_hid_report_desc, sizeof(keyboard2_hid_report_desc)},
|
|
#endif
|
|
// STRING descriptors
|
|
{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)}
|
|
};
|
|
#define NUM_DESC_LIST (sizeof(descriptor_list)/sizeof(struct descriptor_list_struct))
|
|
|
|
|
|
/**************************************************************************
|
|
*
|
|
* Variables - these are the only non-stack RAM usage
|
|
*
|
|
**************************************************************************/
|
|
|
|
// zero when we are not configured, non-zero when enumerated
|
|
static volatile uint8_t usb_configuration=0;
|
|
|
|
|
|
/**************************************************************************
|
|
*
|
|
* Public Functions - these are the API intended for the user
|
|
*
|
|
**************************************************************************/
|
|
|
|
|
|
// initialize USB
|
|
void usb_init(void)
|
|
{
|
|
HW_CONFIG();
|
|
USB_FREEZE(); // enable USB
|
|
PLL_CONFIG(); // config PLL
|
|
while (!(PLLCSR & (1<<PLOCK))) ; // wait for PLL lock
|
|
USB_CONFIG(); // start USB clock
|
|
UDCON = 0; // enable attach resistor
|
|
usb_configuration = 0;
|
|
UDIEN = (1<<EORSTE)|(1<<SOFE)|(1<<SUSPE);
|
|
sei();
|
|
}
|
|
|
|
// return 0 if the USB is not configured, or the configuration
|
|
// number selected by the HOST
|
|
uint8_t usb_configured(void)
|
|
{
|
|
return usb_configuration && !suspend;
|
|
}
|
|
|
|
void usb_remote_wakeup(void)
|
|
{
|
|
UDCON |= (1<<RMWKUP);
|
|
}
|
|
|
|
|
|
|
|
/**************************************************************************
|
|
*
|
|
* Private Functions - not intended for general user consumption....
|
|
*
|
|
**************************************************************************/
|
|
|
|
|
|
|
|
// USB Device Interrupt - handle all device-level events
|
|
// the transmit buffer flushing is triggered by the start of frame
|
|
//
|
|
ISR(USB_GEN_vect)
|
|
{
|
|
uint8_t intbits, t, i;
|
|
static uint8_t div4=0;
|
|
|
|
intbits = UDINT;
|
|
UDINT = 0;
|
|
if (intbits & (1<<SUSPI)) {
|
|
suspend = true;
|
|
} else {
|
|
suspend = false;
|
|
}
|
|
if (intbits & (1<<EORSTI)) {
|
|
UENUM = 0;
|
|
UECONX = 1;
|
|
UECFG0X = EP_TYPE_CONTROL;
|
|
UECFG1X = EP_SIZE(ENDPOINT0_SIZE) | EP_SINGLE_BUFFER;
|
|
UEIENX = (1<<RXSTPE);
|
|
usb_configuration = 0;
|
|
}
|
|
if ((intbits & (1<<SOFI)) && usb_configuration) {
|
|
t = debug_flush_timer;
|
|
if (t) {
|
|
debug_flush_timer = -- t;
|
|
if (!t) {
|
|
UENUM = DEBUG_TX_ENDPOINT;
|
|
while ((UEINTX & (1<<RWAL))) {
|
|
UEDATX = 0;
|
|
}
|
|
UEINTX = 0x3A;
|
|
}
|
|
}
|
|
if (usb_keyboard_idle_config && (++div4 & 3) == 0) {
|
|
UENUM = KBD_ENDPOINT;
|
|
if (UEINTX & (1<<RWAL)) {
|
|
usb_keyboard_idle_count++;
|
|
if (usb_keyboard_idle_count == usb_keyboard_idle_config) {
|
|
usb_keyboard_idle_count = 0;
|
|
UEDATX = keyboard_report_prev->mods;
|
|
UEDATX = 0;
|
|
uint8_t keys = usb_keyboard_protocol ? KBD_REPORT_KEYS : 6;
|
|
for (i=0; i<keys; i++) {
|
|
UEDATX = keyboard_report_prev->keys[i];
|
|
}
|
|
UEINTX = 0x3A;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
// Misc functions to wait for ready and send/receive packets
|
|
static inline void usb_wait_in_ready(void)
|
|
{
|
|
while (!(UEINTX & (1<<TXINI))) ;
|
|
}
|
|
static inline void usb_send_in(void)
|
|
{
|
|
UEINTX = ~(1<<TXINI);
|
|
}
|
|
static inline void usb_wait_receive_out(void)
|
|
{
|
|
while (!(UEINTX & (1<<RXOUTI))) ;
|
|
}
|
|
static inline void usb_ack_out(void)
|
|
{
|
|
UEINTX = ~(1<<RXOUTI);
|
|
}
|
|
|
|
|
|
|
|
// USB Endpoint Interrupt - endpoint 0 is handled here. The
|
|
// other endpoints are manipulated by the user-callable
|
|
// functions, and the start-of-frame interrupt.
|
|
//
|
|
ISR(USB_COM_vect)
|
|
{
|
|
uint8_t intbits;
|
|
const uint8_t *list;
|
|
const uint8_t *cfg;
|
|
uint8_t i, n, len, en;
|
|
uint8_t bmRequestType;
|
|
uint8_t bRequest;
|
|
uint16_t wValue;
|
|
uint16_t wIndex;
|
|
uint16_t wLength;
|
|
uint16_t desc_val;
|
|
const uint8_t *desc_addr;
|
|
uint8_t desc_length;
|
|
|
|
UENUM = 0;
|
|
intbits = UEINTX;
|
|
if (intbits & (1<<RXSTPI)) {
|
|
bmRequestType = UEDATX;
|
|
bRequest = UEDATX;
|
|
wValue = UEDATX;
|
|
wValue |= (UEDATX << 8);
|
|
wIndex = UEDATX;
|
|
wIndex |= (UEDATX << 8);
|
|
wLength = UEDATX;
|
|
wLength |= (UEDATX << 8);
|
|
UEINTX = ~((1<<RXSTPI) | (1<<RXOUTI) | (1<<TXINI));
|
|
if (bRequest == GET_DESCRIPTOR) {
|
|
list = (const uint8_t *)descriptor_list;
|
|
for (i=0; ; i++) {
|
|
if (i >= NUM_DESC_LIST) {
|
|
UECONX = (1<<STALLRQ)|(1<<EPEN); //stall
|
|
return;
|
|
}
|
|
desc_val = pgm_read_word(list);
|
|
if (desc_val != wValue) {
|
|
list += sizeof(struct descriptor_list_struct);
|
|
continue;
|
|
}
|
|
list += 2;
|
|
desc_val = pgm_read_word(list);
|
|
if (desc_val != wIndex) {
|
|
list += sizeof(struct descriptor_list_struct)-2;
|
|
continue;
|
|
}
|
|
list += 2;
|
|
desc_addr = (const uint8_t *)pgm_read_word(list);
|
|
list += 2;
|
|
desc_length = pgm_read_byte(list);
|
|
break;
|
|
}
|
|
len = (wLength < 256) ? wLength : 255;
|
|
if (len > desc_length) len = desc_length;
|
|
do {
|
|
// wait for host ready for IN packet
|
|
do {
|
|
i = UEINTX;
|
|
} while (!(i & ((1<<TXINI)|(1<<RXOUTI))));
|
|
if (i & (1<<RXOUTI)) return; // abort
|
|
// send IN packet
|
|
n = len < ENDPOINT0_SIZE ? len : ENDPOINT0_SIZE;
|
|
for (i = n; i; i--) {
|
|
UEDATX = pgm_read_byte(desc_addr++);
|
|
}
|
|
len -= n;
|
|
usb_send_in();
|
|
} while (len || n == ENDPOINT0_SIZE);
|
|
return;
|
|
}
|
|
if (bRequest == SET_ADDRESS) {
|
|
usb_send_in();
|
|
usb_wait_in_ready();
|
|
UDADDR = wValue | (1<<ADDEN);
|
|
return;
|
|
}
|
|
if (bRequest == SET_CONFIGURATION && bmRequestType == 0) {
|
|
usb_configuration = wValue;
|
|
usb_send_in();
|
|
cfg = endpoint_config_table;
|
|
for (i=1; i<=6; i++) {
|
|
UENUM = i;
|
|
en = pgm_read_byte(cfg++);
|
|
if (en) {
|
|
UECONX = (1<<EPEN);
|
|
UECFG0X = pgm_read_byte(cfg++);
|
|
UECFG1X = pgm_read_byte(cfg++);
|
|
} else {
|
|
UECONX = 0;
|
|
}
|
|
}
|
|
UERST = 0x7E;
|
|
UERST = 0;
|
|
return;
|
|
}
|
|
if (bRequest == GET_CONFIGURATION && bmRequestType == 0x80) {
|
|
usb_wait_in_ready();
|
|
UEDATX = usb_configuration;
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
|
|
if (bRequest == GET_STATUS) {
|
|
usb_wait_in_ready();
|
|
i = 0;
|
|
#ifdef SUPPORT_ENDPOINT_HALT
|
|
if (bmRequestType == 0x82) {
|
|
UENUM = wIndex;
|
|
if (UECONX & (1<<STALLRQ)) i = 1;
|
|
UENUM = 0;
|
|
}
|
|
#endif
|
|
UEDATX = i;
|
|
UEDATX = 0;
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
if (bRequest == CLEAR_FEATURE || bRequest == SET_FEATURE) {
|
|
#ifdef SUPPORT_ENDPOINT_HALT
|
|
if (bmRequestType == 0x02 && wValue == ENDPOINT_HALT) {
|
|
i = wIndex & 0x7F;
|
|
if (i >= 1 && i <= MAX_ENDPOINT) {
|
|
usb_send_in();
|
|
UENUM = i;
|
|
if (bRequest == SET_FEATURE) {
|
|
UECONX = (1<<STALLRQ)|(1<<EPEN);
|
|
} else {
|
|
UECONX = (1<<STALLRQC)|(1<<RSTDT)|(1<<EPEN);
|
|
UERST = (1 << i);
|
|
UERST = 0;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
#endif
|
|
if (bmRequestType == 0x00 && wValue == DEVICE_REMOTE_WAKEUP) {
|
|
if (bRequest == SET_FEATURE) {
|
|
remote_wakeup = true;
|
|
} else {
|
|
remote_wakeup = false;
|
|
}
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
}
|
|
if (wIndex == KBD_INTERFACE) {
|
|
if (bmRequestType == 0xA1) {
|
|
if (bRequest == HID_GET_REPORT) {
|
|
usb_wait_in_ready();
|
|
UEDATX = keyboard_report->mods;
|
|
UEDATX = 0;
|
|
for (i=0; i<6; i++) {
|
|
UEDATX = keyboard_report->keys[i];
|
|
}
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
if (bRequest == HID_GET_IDLE) {
|
|
usb_wait_in_ready();
|
|
UEDATX = usb_keyboard_idle_config;
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
if (bRequest == HID_GET_PROTOCOL) {
|
|
usb_wait_in_ready();
|
|
UEDATX = usb_keyboard_protocol;
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
}
|
|
if (bmRequestType == 0x21) {
|
|
if (bRequest == HID_SET_REPORT) {
|
|
usb_wait_receive_out();
|
|
usb_keyboard_leds = UEDATX;
|
|
usb_ack_out();
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
if (bRequest == HID_SET_IDLE) {
|
|
usb_keyboard_idle_config = (wValue >> 8);
|
|
usb_keyboard_idle_count = 0;
|
|
//usb_wait_in_ready();
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
if (bRequest == HID_SET_PROTOCOL) {
|
|
usb_keyboard_protocol = wValue;
|
|
//usb_wait_in_ready();
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
#ifdef USB_MOUSE_ENABLE
|
|
if (wIndex == MOUSE_INTERFACE) {
|
|
if (bmRequestType == 0xA1) {
|
|
if (bRequest == HID_GET_REPORT) {
|
|
if (wValue == HID_REPORT_INPUT) {
|
|
usb_wait_in_ready();
|
|
UEDATX = 0;
|
|
UEDATX = 0;
|
|
UEDATX = 0;
|
|
UEDATX = 0;
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
if (wValue == HID_REPORT_FEATURE) {
|
|
usb_wait_in_ready();
|
|
UEDATX = 0x05;
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
}
|
|
if (bRequest == HID_GET_PROTOCOL) {
|
|
usb_wait_in_ready();
|
|
UEDATX = usb_mouse_protocol;
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
}
|
|
if (bmRequestType == 0x21) {
|
|
if (bRequest == HID_SET_PROTOCOL) {
|
|
usb_mouse_protocol = wValue;
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
if (wIndex == DEBUG_INTERFACE) {
|
|
if (bRequest == HID_GET_REPORT && bmRequestType == 0xA1) {
|
|
len = wLength;
|
|
do {
|
|
// wait for host ready for IN packet
|
|
do {
|
|
i = UEINTX;
|
|
} while (!(i & ((1<<TXINI)|(1<<RXOUTI))));
|
|
if (i & (1<<RXOUTI)) return; // abort
|
|
// send IN packet
|
|
n = len < ENDPOINT0_SIZE ? len : ENDPOINT0_SIZE;
|
|
for (i = n; i; i--) {
|
|
UEDATX = 0;
|
|
}
|
|
len -= n;
|
|
usb_send_in();
|
|
} while (len || n == ENDPOINT0_SIZE);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
UECONX = (1<<STALLRQ) | (1<<EPEN); // stall
|
|
}
|