]>
git.gir.st - tmk_keyboard.git/blob - tmk.c
2 * keyboard firmware based on PJRC USB keyboard example
4 /* Keyboard example with debug channel, for Teensy USB Development Board
5 * http://www.pjrc.com/teensy/usb_keyboard.html
6 * Copyright (c) 2008 PJRC.COM, LLC
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
29 #include <avr/pgmspace.h>
30 #include <avr/interrupt.h>
31 #include <util/delay.h>
33 #include "usb_keyboard.h"
34 #include "usb_mouse.h"
38 #include "jump_bootloader.h"
42 #define LED_CONFIG (DDRD |= (1<<6))
43 #define LED_ON (PORTD |= (1<<6))
44 #define LED_OFF (PORTD &= ~(1<<6))
45 #define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
47 #define MOUSE_MOVE_UNIT 10
48 #define MOUSE_DELAY_MS 200
49 #define MOUSE_DELAY_ACC 4
52 static void print_matrix(void);
55 uint16_t idle_count
=0;
60 // set for 16 MHz clock
63 // Initialize the USB, and then wait for the host to set configuration.
64 // If the Teensy is powered without a PC connected to the USB port,
65 // this will wait forever.
67 while (!usb_configured()) /* wait */ ;
69 // Wait an extra second for the PC's operating system to load drivers
70 // and do whatever it does to actually be ready for input
71 // needs such long time in my PC.
72 for (int i
=0; i
< 6; i
++) {
80 // Configure timer 0 to generate a timer overflow interrupt every
81 // 256*1024 clock cycles, or approx 61 Hz when using 16 MHz clock
82 // This demonstrates how to use interrupts to implement a simple
83 // inactivity timeout.
91 bool modified
= false;
92 bool has_ghost
= false;
97 uint8_t mouse_btn
= 0;
98 int8_t mouse_wheel
= 0;
99 int8_t mouse_hwheel
= 0;
100 int mouse_repeat
= 0;
102 print("\nt.m.k. keyboard 1.0\n");
105 modified
= matrix_is_modified();
106 has_ghost
= matrix_has_ghost();
109 // print matrix state for debug
117 keyboard_modifier_keys
= 0;
118 for (int i
= 0; i
< 6; i
++) keyboard_keys
[i
] = KB_NO
;
126 // convert matrix state to HID report
127 for (int row
= 0; row
< MATRIX_ROWS
; row
++) {
128 for (int col
= 0; col
< MATRIX_COLS
; col
++) {
129 if (matrix
[row
] & 1<<col
) continue;
131 uint8_t code
= get_keycode(layer
, row
, col
);
134 } else if (KB_LCTRL
<= code
&& code
<= KB_RGUI
) {
135 // modifier keys(0xE0-0xE7)
136 keyboard_modifier_keys
|= 1<<(code
& 0x07);
137 } else if (code
>= MS_UP
) {
139 if (code
== MS_UP
) mouse_y
-= MOUSE_MOVE_UNIT
;
140 if (code
== MS_DOWN
) mouse_y
+= MOUSE_MOVE_UNIT
;
141 if (code
== MS_LEFT
) mouse_x
-= MOUSE_MOVE_UNIT
;
142 if (code
== MS_RIGHT
) mouse_x
+= MOUSE_MOVE_UNIT
;
143 if (code
== MS_BTN1
) mouse_btn
|= 1<<0;
144 if (code
== MS_BTN2
) mouse_btn
|= 1<<1;
145 if (code
== MS_BTN3
) mouse_btn
|= 1<<2;
146 if (code
== MS_BTN4
) mouse_btn
|= 1<<3;
147 if (code
== MS_BTN5
) mouse_btn
|= 1<<4;
148 if (code
== MS_WH_UP
) mouse_wheel
-= 1;
149 if (code
== MS_WH_DOWN
) mouse_wheel
+= 1;
150 if (code
== MS_WH_LEFT
) mouse_hwheel
-= 1;
151 if (code
== MS_WH_RIGHT
) mouse_hwheel
+= 1;
155 keyboard_keys
[key_index
] = code
;
162 // when 4 left modifier keys down
163 if (keyboard_modifier_keys
== (MOD_LCTRL
| MOD_LSHIFT
| MOD_LALT
| MOD_LGUI
)) {
165 keyboard_modifier_keys
= 0;
166 for (int i
= 0; i
< 6; i
++) keyboard_keys
[i
] = KB_NO
;
169 print("jump to bootloader...\n");
171 jump_bootloader(); // not return
174 if (mouse_x
|| mouse_y
|| mouse_wheel
|| mouse_hwheel
|| mouse_btn
!= mouse_buttons
) {
175 mouse_buttons
= mouse_btn
;
176 usb_mouse_move(mouse_x
, mouse_y
, mouse_wheel
, mouse_hwheel
);
179 _delay_ms(MOUSE_DELAY_MS
>> (mouse_repeat
< MOUSE_DELAY_ACC
? mouse_repeat
: MOUSE_DELAY_ACC
));
198 static void print_matrix(void) {
199 print("\nr/c 01234567\n");
200 for (int row
= 0; row
< MATRIX_ROWS
; row
++) {
201 phex(row
); print(": ");
202 pbin_reverse(matrix
[row
]);
203 if (matrix_has_ghost_in_row(row
)) {
209 for (int i
= 0; i
< 6; i
++) { phex(keyboard_keys
[i
]); print(" "); }
211 print("mod: "); phex(keyboard_modifier_keys
); print("\n");
214 // This interrupt routine is run approx 61 times per second.
215 // A very simple inactivity timeout is implemented, where we
216 // will send a space character and print a message to the
217 // hid_listen debug message window.