1 /* Copyright (C) 2011 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
23 #include <avr/pgmspace.h>
24 #include <avr/interrupt.h>
25 #include <util/delay.h>
26 #include "usb_keyboard.h"
28 #define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
30 #define PRE_DRIVE_SLEEP
31 #define POST_DRIVE_SLEEP
34 #define DRIVE_reg_1 PORTB
35 #define DRIVE_reg_2 PORTB
36 #define DRIVE_reg_3 PORTB
37 #define DRIVE_reg_4 PORTC
38 #define DRIVE_reg_5 PORTE
39 #define DRIVE_reg_6 PORTE
40 #define DRIVE_reg_7 PORTF
41 #define DRIVE_reg_8 PORTF
42 #define DRIVE_reg_9 PORTF
43 #define DRIVE_reg_10 <blank>
44 #define DRIVE_reg_11 <blank>
45 #define DRIVE_reg_12 <blank>
56 #define DRIVE_pin_10 <blank>
57 #define DRIVE_pin_11 <blank>
58 #define DRIVE_pin_12 <blank>
60 #define DETECT_group_1 0
61 #define DETECT_group_2 0
62 #define DETECT_group_3 0
63 #define DETECT_group_4 0
64 #define DETECT_group_5 0
65 #define DETECT_group_6 0
66 #define DETECT_group_7 0
67 #define DETECT_group_8 0
68 #define DETECT_group_9 0
69 #define DETECT_group_10 <blank>
70 #define DETECT_group_11 <blank>
71 #define DETECT_group_12 <blank>
73 // Change number of ORDs if number of lines differ
75 for ( int c = 0;; c++ ) { \
89 #define DRIVE_DETECT(reg,pin,group) \
94 #define DD_CASE(number) \
96 DRIVE_DETECT(DRIVE_reg##_##number, DRIVE_pin##_##number, DETECT_group##_##number)
98 #define DD_CASE_ORD(number) \
102 #define DD_CASE_END(number,var) \
110 // set for 16 MHz clock
117 // Initialize the USB, and then wait for the host to set configuration.
118 // If the Teensy is powered without a PC connected to the USB port,
119 // this will wait forever.
121 while ( !usb_configured() ) /* wait */ ;
123 // Wait an extra second for the PC's operating system to load drivers
124 // and do whatever it does to actually be ready for input
127 // Main Detection Loop
130 // usb_keyboard_press(KEY_B, KEY_SHIFT);