1 /* Copyright (C) 2011-2013 by Jacob Alexander
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to deal
5 * in the Software without restriction, including without limitation the rights
6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 * copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 // ----- Includes -----
25 #include <Lib/USBLib.h>
28 #include <scan_loop.h>
31 #if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_)
32 #include "avr/usb_keyboard_debug.h"
33 #elif defined(_mk20dx128_)
34 #include "arm/usb_keyboard.h"
35 #include "arm/usb_dev.h"
39 #include "output_com.h"
43 // ----- Variables -----
45 // which modifier keys are currently pressed
46 // 1=left ctrl, 2=left shift, 4=left alt, 8=left gui
47 // 16=right ctrl, 32=right shift, 64=right alt, 128=right gui
48 uint8_t USBKeys_Modifiers = 0;
50 // which keys are currently pressed, up to 6 keys may be down at once
51 uint8_t USBKeys_Array[USB_MAX_KEY_SEND] = {0,0,0,0,0,0};
53 // The number of keys sent to the usb in the array
56 // 1=num lock, 2=caps lock, 4=scroll lock, 8=compose, 16=kana
57 volatile uint8_t USBKeys_LEDs = 0;
59 // protocol setting from the host. We use exactly the same report
60 // either way, so this variable only stores the setting since we
61 // are required to be able to report which setting is in use.
62 uint8_t USBKeys_Protocol = 1;
64 // the idle configuration, how often we send the report to the
65 // host (ms * 4) even when it hasn't changed
66 uint8_t USBKeys_Idle_Config = 125;
68 // count until idle timeout
69 uint8_t USBKeys_Idle_Count = 0;
73 // ----- Functions -----
76 inline void output_setup()
78 // Initialize the USB, and then wait for the host to set configuration.
79 // If the Teensy is powered without a PC connected to the USB port,
80 // this will wait forever.
82 while ( !usb_configured() ) /* wait */ ;
84 // Wait an extra second for the PC's operating system to load drivers
85 // and do whatever it does to actually be ready for input
86 //_delay_ms(1000); // TODO
91 inline void usb_send(void)
93 // TODO undo potentially old keys
94 for ( uint8_t c = USBKeys_Sent; c < USBKeys_MaxSize; c++ )
100 // Clear modifiers and keys
101 USBKeys_Modifiers = 0;
104 // Signal Scan Module we are finishedA
105 scan_finishedWithUSBBuffer( USBKeys_Sent <= USBKeys_MaxSize ? USBKeys_Sent : USBKeys_MaxSize );
109 // Sets the device into firmware reload mode
110 inline void output_firmwareReload()
112 #if defined(_at90usb162_) || defined(_atmega32u4_) || defined(_at90usb646_) || defined(_at90usb1286_)
113 #elif defined(_mk20dx128_)