710 lines
22 KiB
C
710 lines
22 KiB
C
/* USB Keyboard Plus Debug Channel Example for Teensy USB Development Board
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* http://www.pjrc.com/teensy/usb_keyboard.html
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* Copyright (c) 2009 PJRC.COM, LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <avr/io.h>
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#include <avr/pgmspace.h>
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#include <avr/interrupt.h>
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#include "usb.h"
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#include "usb_keyboard.h"
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#include "usb_mouse.h"
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#include "usb_debug.h"
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#include "print.h"
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/**************************************************************************
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*
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* Configurable Options
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*
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**************************************************************************/
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// You can change these to give your code its own name.
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#define STR_MANUFACTURER L"t.m.k."
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#define STR_PRODUCT L"t.m.k. keyboard"
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// Mac OS-X and Linux automatically load the correct drivers. On
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// Windows, even though the driver is supplied by Microsoft, an
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// INF file is needed to load the driver. These numbers need to
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// match the INF file.
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#define VENDOR_ID 0xFEED
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#define PRODUCT_ID 0xBABE
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// USB devices are supposed to implment a halt feature, which is
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// rarely (if ever) used. If you comment this line out, the halt
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// code will be removed, saving 102 bytes of space (gcc 4.3.0).
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// This is not strictly USB compliant, but works with all major
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// operating systems.
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#define SUPPORT_ENDPOINT_HALT
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/**************************************************************************
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*
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* Endpoint Buffer Configuration
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*
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**************************************************************************/
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#define ENDPOINT0_SIZE 32
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// 0:control endpoint is enabled automatically by controller.
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static const uint8_t PROGMEM endpoint_config_table[] = {
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// enable, UECFG0X(type, direction), UECFG1X(size, bank, allocation)
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1, EP_TYPE_INTERRUPT_IN, EP_SIZE(KEYBOARD_SIZE) | KEYBOARD_BUFFER, // 1
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1, EP_TYPE_INTERRUPT_IN, EP_SIZE(MOUSE_SIZE) | MOUSE_BUFFER, // 2
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1, EP_TYPE_INTERRUPT_IN, EP_SIZE(DEBUG_TX_SIZE) | DEBUG_TX_BUFFER, // 3
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0, // 4
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0, // 5
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0, // 6
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};
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/**************************************************************************
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*
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* Descriptor Data
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*
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**************************************************************************/
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// Descriptors are the data that your computer reads when it auto-detects
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// this USB device (called "enumeration" in USB lingo). The most commonly
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// changed items are editable at the top of this file. Changing things
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// in here should only be done by those who've read chapter 9 of the USB
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// spec and relevant portions of any USB class specifications!
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static uint8_t PROGMEM device_descriptor[] = {
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18, // bLength
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1, // bDescriptorType
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0x00, 0x02, // bcdUSB
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0, // bDeviceClass
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0, // bDeviceSubClass
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0, // bDeviceProtocol
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ENDPOINT0_SIZE, // bMaxPacketSize0
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LSB(VENDOR_ID), MSB(VENDOR_ID), // idVendor
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LSB(PRODUCT_ID), MSB(PRODUCT_ID), // idProduct
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0x00, 0x01, // bcdDevice
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1, // iManufacturer
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2, // iProduct
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0, // iSerialNumber
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1 // bNumConfigurations
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};
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// Keyboard Protocol 1, HID 1.11 spec, Appendix B, page 59-60
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static uint8_t PROGMEM keyboard_hid_report_desc[] = {
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0x05, 0x01, // Usage Page (Generic Desktop),
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0x09, 0x06, // Usage (Keyboard),
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0xA1, 0x01, // Collection (Application),
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0x75, 0x01, // Report Size (1),
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0x95, 0x08, // Report Count (8),
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0x05, 0x07, // Usage Page (Key Codes),
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0x19, 0xE0, // Usage Minimum (224),
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0x29, 0xE7, // Usage Maximum (231),
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0x15, 0x00, // Logical Minimum (0),
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0x25, 0x01, // Logical Maximum (1),
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0x81, 0x02, // Input (Data, Variable, Absolute), ;Modifier byte
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0x95, 0x01, // Report Count (1),
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0x75, 0x08, // Report Size (8),
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0x81, 0x03, // Input (Constant), ;Reserved byte
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0x95, 0x05, // Report Count (5),
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0x75, 0x01, // Report Size (1),
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0x05, 0x08, // Usage Page (LEDs),
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0x19, 0x01, // Usage Minimum (1),
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0x29, 0x05, // Usage Maximum (5),
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0x91, 0x02, // Output (Data, Variable, Absolute), ;LED report
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0x95, 0x01, // Report Count (1),
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0x75, 0x03, // Report Size (3),
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0x91, 0x03, // Output (Constant), ;LED report padding
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0x95, 0x06, // Report Count (6),
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0x75, 0x08, // Report Size (8),
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0x15, 0x00, // Logical Minimum (0),
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0x25, 0x68, // Logical Maximum(104),
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0x05, 0x07, // Usage Page (Key Codes),
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0x19, 0x00, // Usage Minimum (0),
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0x29, 0x68, // Usage Maximum (104),
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0x81, 0x00, // Input (Data, Array),
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0xc0 // End Collection
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};
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// Mouse Protocol 1, HID 1.11 spec, Appendix B, page 59-60, with wheel extension
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// http://www.microchip.com/forums/tm.aspx?high=&m=391435&mpage=1#391521
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// http://www.keil.com/forum/15671/
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// http://www.microsoft.com/whdc/device/input/wheel.mspx
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static uint8_t PROGMEM mouse_hid_report_desc[] = {
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0x05, 0x01, // Usage Page (Generic Desktop)
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0x09, 0x02, // Usage (Mouse)
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0xA1, 0x01, // Collection (Application)
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0x05, 0x09, // Usage Page (Button)
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0x19, 0x01, // Usage Minimum (Button #1)
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0x29, 0x03, // Usage Maximum (Button #3)
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0x15, 0x00, // Logical Minimum (0)
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0x25, 0x01, // Logical Maximum (1)
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0x95, 0x03, // Report Count (3)
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0x75, 0x01, // Report Size (1)
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0x81, 0x02, // Input (Data, Variable, Absolute)
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0x95, 0x01, // Report Count (1)
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0x75, 0x05, // Report Size (5)
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0x81, 0x03, // Input (Constant)
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0x05, 0x01, // Usage Page (Generic Desktop)
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0x09, 0x30, // Usage (X)
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0x09, 0x31, // Usage (Y)
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0x15, 0x81, // Logical Minimum (-127)
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0x25, 0x7F, // Logical Maximum (127)
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0x75, 0x08, // Report Size (8),
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0x95, 0x02, // Report Count (2),
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0x81, 0x06, // Input (Data, Variable, Relative)
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0x09, 0x38, // Usage (Wheel)
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0x95, 0x01, // Report Count (1),
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0x81, 0x06, // Input (Data, Variable, Relative)
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0xC0 // End Collection
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};
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static uint8_t PROGMEM debug_hid_report_desc[] = {
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0x06, 0x31, 0xFF, // Usage Page 0xFF31 (vendor defined)
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0x09, 0x74, // Usage 0x74
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0xA1, 0x53, // Collection 0x53
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0x75, 0x08, // report size = 8 bits
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0x15, 0x00, // logical minimum = 0
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0x26, 0xFF, 0x00, // logical maximum = 255
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0x95, DEBUG_TX_SIZE, // report count
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0x09, 0x75, // usage
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0x81, 0x02, // Input (array)
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0xC0 // end collection
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};
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#define CONFIG1_DESC_SIZE (9+(9+9+7)+(9+9+7)+(9+9+7))
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#define KEYBOARD_HID_DESC_OFFSET (9+9)
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#define MOUSE_HID_DESC_OFFSET (9+(9+9+7)+9)
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#define DEBUG_HID_DESC_OFFSET (9+(9+9+7)+(9+9+7)+9)
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static uint8_t PROGMEM config1_descriptor[CONFIG1_DESC_SIZE] = {
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// configuration descriptor, USB spec 9.6.3, page 264-266, Table 9-10
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9, // bLength;
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2, // bDescriptorType;
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LSB(CONFIG1_DESC_SIZE), // wTotalLength
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MSB(CONFIG1_DESC_SIZE),
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3, // bNumInterfaces
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1, // bConfigurationValue
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0, // iConfiguration
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0xC0, // bmAttributes
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50, // bMaxPower
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// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
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9, // bLength
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4, // bDescriptorType
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KEYBOARD_INTERFACE, // bInterfaceNumber
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0, // bAlternateSetting
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1, // bNumEndpoints
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0x03, // bInterfaceClass (0x03 = HID)
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0x01, // bInterfaceSubClass (0x01 = Boot)
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0x01, // bInterfaceProtocol (0x01 = Keyboard)
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0, // iInterface
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// HID descriptor, HID 1.11 spec, section 6.2.1
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9, // bLength
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0x21, // bDescriptorType
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0x11, 0x01, // bcdHID
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0, // bCountryCode
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1, // bNumDescriptors
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0x22, // bDescriptorType
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sizeof(keyboard_hid_report_desc), // wDescriptorLength
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0,
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// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
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7, // bLength
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5, // bDescriptorType
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KEYBOARD_ENDPOINT | 0x80, // bEndpointAddress
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0x03, // bmAttributes (0x03=intr)
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KEYBOARD_SIZE, 0, // wMaxPacketSize
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1, // bInterval
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// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
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9, // bLength
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4, // bDescriptorType
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MOUSE_INTERFACE, // bInterfaceNumber
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0, // bAlternateSetting
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1, // bNumEndpoints
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0x03, // bInterfaceClass (0x03 = HID)
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0x01, // bInterfaceSubClass (0x01 = Boot)
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0x02, // bInterfaceProtocol (0x02 = Mouse)
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0, // iInterface
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// HID descriptor, HID 1.11 spec, section 6.2.1
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9, // bLength
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0x21, // bDescriptorType
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0x11, 0x01, // bcdHID
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0, // bCountryCode
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1, // bNumDescriptors
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0x22, // bDescriptorType
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sizeof(mouse_hid_report_desc), // wDescriptorLength
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0,
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// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
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7, // bLength
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5, // bDescriptorType
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MOUSE_ENDPOINT | 0x80, // bEndpointAddress
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0x03, // bmAttributes (0x03=intr)
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4, 0, // wMaxPacketSize
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1, // bInterval
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// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
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9, // bLength
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4, // bDescriptorType
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DEBUG_INTERFACE, // bInterfaceNumber
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0, // bAlternateSetting
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1, // bNumEndpoints
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0x03, // bInterfaceClass (0x03 = HID)
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0x00, // bInterfaceSubClass
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0x00, // bInterfaceProtocol
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0, // iInterface
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// HID descriptor, HID 1.11 spec, section 6.2.1
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9, // bLength
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0x21, // bDescriptorType
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0x11, 0x01, // bcdHID
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0, // bCountryCode
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1, // bNumDescriptors
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0x22, // bDescriptorType
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sizeof(debug_hid_report_desc), // wDescriptorLength
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0,
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// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
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7, // bLength
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5, // bDescriptorType
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DEBUG_TX_ENDPOINT | 0x80, // bEndpointAddress
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0x03, // bmAttributes (0x03=intr)
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DEBUG_TX_SIZE, 0, // wMaxPacketSize
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1 // bInterval
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};
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// If you're desperate for a little extra code memory, these strings
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// can be completely removed if iManufacturer, iProduct, iSerialNumber
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// in the device desciptor are changed to zeros.
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struct usb_string_descriptor_struct {
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uint8_t bLength;
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uint8_t bDescriptorType;
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int16_t wString[];
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};
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static struct usb_string_descriptor_struct PROGMEM string0 = {
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4,
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3,
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{0x0409}
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};
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static struct usb_string_descriptor_struct PROGMEM string1 = {
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sizeof(STR_MANUFACTURER),
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3,
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STR_MANUFACTURER
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};
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static struct usb_string_descriptor_struct PROGMEM string2 = {
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sizeof(STR_PRODUCT),
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3,
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STR_PRODUCT
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};
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// This table defines which descriptor data is sent for each specific
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// request from the host (in wValue and wIndex).
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static struct descriptor_list_struct {
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uint16_t wValue; // descriptor type
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uint16_t wIndex;
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const uint8_t *addr;
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uint8_t length;
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} PROGMEM descriptor_list[] = {
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// DEVICE descriptor
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{0x0100, 0x0000, device_descriptor, sizeof(device_descriptor)},
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// CONFIGURATION descriptor
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{0x0200, 0x0000, config1_descriptor, sizeof(config1_descriptor)},
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// HID REPORT
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{0x2200, KEYBOARD_INTERFACE, keyboard_hid_report_desc, sizeof(keyboard_hid_report_desc)},
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{0x2100, KEYBOARD_INTERFACE, config1_descriptor+KEYBOARD_HID_DESC_OFFSET, 9},
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// HID REPORT
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{0x2200, MOUSE_INTERFACE, mouse_hid_report_desc, sizeof(mouse_hid_report_desc)},
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{0x2100, MOUSE_INTERFACE, config1_descriptor+MOUSE_HID_DESC_OFFSET, 9},
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// HID REPORT
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{0x2200, DEBUG_INTERFACE, debug_hid_report_desc, sizeof(debug_hid_report_desc)},
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{0x2100, DEBUG_INTERFACE, config1_descriptor+DEBUG_HID_DESC_OFFSET, 9},
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// STRING descriptor
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{0x0300, 0x0000, (const uint8_t *)&string0, 4},
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{0x0301, 0x0409, (const uint8_t *)&string1, sizeof(STR_MANUFACTURER)},
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{0x0302, 0x0409, (const uint8_t *)&string2, sizeof(STR_PRODUCT)}
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};
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#define NUM_DESC_LIST (sizeof(descriptor_list)/sizeof(struct descriptor_list_struct))
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/**************************************************************************
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*
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* Variables - these are the only non-stack RAM usage
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*
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**************************************************************************/
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// zero when we are not configured, non-zero when enumerated
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static volatile uint8_t usb_configuration=0;
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/**************************************************************************
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*
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* Public Functions - these are the API intended for the user
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*
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**************************************************************************/
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// initialize USB
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void usb_init(void)
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{
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HW_CONFIG();
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USB_FREEZE(); // enable USB
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PLL_CONFIG(); // config PLL
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while (!(PLLCSR & (1<<PLOCK))) ; // wait for PLL lock
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USB_CONFIG(); // start USB clock
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UDCON = 0; // enable attach resistor
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usb_configuration = 0;
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UDIEN = (1<<EORSTE)|(1<<SOFE);
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sei();
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}
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// return 0 if the USB is not configured, or the configuration
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// number selected by the HOST
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uint8_t usb_configured(void)
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{
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return usb_configuration;
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}
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/**************************************************************************
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*
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* Private Functions - not intended for general user consumption....
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*
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**************************************************************************/
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// USB Device Interrupt - handle all device-level events
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// the transmit buffer flushing is triggered by the start of frame
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//
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ISR(USB_GEN_vect)
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{
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uint8_t intbits, t, i;
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static uint8_t div4=0;
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intbits = UDINT;
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UDINT = 0;
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if (intbits & (1<<EORSTI)) {
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UENUM = 0;
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UECONX = 1;
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UECFG0X = EP_TYPE_CONTROL;
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UECFG1X = EP_SIZE(ENDPOINT0_SIZE) | EP_SINGLE_BUFFER;
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UEIENX = (1<<RXSTPE);
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usb_configuration = 0;
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}
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if ((intbits & (1<<SOFI)) && usb_configuration) {
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t = debug_flush_timer;
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if (t) {
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debug_flush_timer = -- t;
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if (!t) {
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UENUM = DEBUG_TX_ENDPOINT;
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while ((UEINTX & (1<<RWAL))) {
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UEDATX = 0;
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}
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UEINTX = 0x3A;
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}
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}
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if (keyboard_idle_config && (++div4 & 3) == 0) {
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UENUM = KEYBOARD_ENDPOINT;
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if (UEINTX & (1<<RWAL)) {
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keyboard_idle_count++;
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if (keyboard_idle_count == keyboard_idle_config) {
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keyboard_idle_count = 0;
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UEDATX = keyboard_modifier_keys;
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UEDATX = 0;
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for (i=0; i<6; i++) {
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UEDATX = keyboard_keys[i];
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}
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UEINTX = 0x3A;
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}
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}
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}
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}
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}
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// Misc functions to wait for ready and send/receive packets
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static inline void usb_wait_in_ready(void)
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{
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while (!(UEINTX & (1<<TXINI))) ;
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}
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static inline void usb_send_in(void)
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{
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UEINTX = ~(1<<TXINI);
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}
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static inline void usb_wait_receive_out(void)
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{
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while (!(UEINTX & (1<<RXOUTI))) ;
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}
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static inline void usb_ack_out(void)
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{
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UEINTX = ~(1<<RXOUTI);
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}
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// USB Endpoint Interrupt - endpoint 0 is handled here. The
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// other endpoints are manipulated by the user-callable
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// functions, and the start-of-frame interrupt.
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//
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ISR(USB_COM_vect)
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{
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uint8_t intbits;
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const uint8_t *list;
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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++);
|
|
UECONX = en;
|
|
if (en) {
|
|
UECFG0X = pgm_read_byte(cfg++);
|
|
UECFG1X = pgm_read_byte(cfg++);
|
|
}
|
|
}
|
|
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;
|
|
}
|
|
#ifdef SUPPORT_ENDPOINT_HALT
|
|
if ((bRequest == CLEAR_FEATURE || bRequest == SET_FEATURE)
|
|
&& bmRequestType == 0x02 && wValue == 0) {
|
|
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 (wIndex == KEYBOARD_INTERFACE) {
|
|
if (bmRequestType == 0xA1) {
|
|
if (bRequest == HID_GET_REPORT) {
|
|
usb_wait_in_ready();
|
|
UEDATX = keyboard_modifier_keys;
|
|
UEDATX = 0;
|
|
for (i=0; i<6; i++) {
|
|
UEDATX = keyboard_keys[i];
|
|
}
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
if (bRequest == HID_GET_IDLE) {
|
|
usb_wait_in_ready();
|
|
UEDATX = keyboard_idle_config;
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
if (bRequest == HID_GET_PROTOCOL) {
|
|
usb_wait_in_ready();
|
|
UEDATX = keyboard_protocol;
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
}
|
|
if (bmRequestType == 0x21) {
|
|
if (bRequest == HID_SET_REPORT) {
|
|
usb_wait_receive_out();
|
|
keyboard_leds = UEDATX;
|
|
usb_ack_out();
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
if (bRequest == HID_SET_IDLE) {
|
|
keyboard_idle_config = (wValue >> 8);
|
|
keyboard_idle_count = 0;
|
|
//usb_wait_in_ready();
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
if (bRequest == HID_SET_PROTOCOL) {
|
|
keyboard_protocol = wValue;
|
|
//usb_wait_in_ready();
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
if (wIndex == MOUSE_INTERFACE) {
|
|
if (bmRequestType == 0xA1) {
|
|
print("mouse: 0xA1\n");
|
|
if (bRequest == HID_GET_REPORT) {
|
|
if (wValue == HID_REPORT_INPUT) {
|
|
print("mouse: HID_GET_REPORT: input\n");
|
|
usb_wait_in_ready();
|
|
UEDATX = mouse_buttons;
|
|
UEDATX = 0;
|
|
UEDATX = 0;
|
|
UEDATX = 0;
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
if (wValue == HID_REPORT_FEATURE) {
|
|
print("mouse: HID_GET_REPORT: feature\n");
|
|
usb_wait_in_ready();
|
|
UEDATX = 0x05;
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
}
|
|
if (bRequest == HID_GET_PROTOCOL) {
|
|
usb_wait_in_ready();
|
|
UEDATX = mouse_protocol;
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
}
|
|
if (bmRequestType == 0x21) {
|
|
print("mouse: 0x21\n");
|
|
if (bRequest == HID_SET_PROTOCOL) {
|
|
mouse_protocol = wValue;
|
|
usb_send_in();
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
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
|
|
}
|
|
|
|
|