1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
/* PS3 Teensy HID Gamepad
* Copyright (C) 2010 Josh Kropf <josh@slashdev.ca>
*
* Based on works by:
* grunskis <http://github.com/grunskis/gamepad>
* Toodles <http://forums.shoryuken.com/showthread.php?t=131230>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* Keyboard example for Teensy USB Development Board
* http://www.pjrc.com/teensy/usb_keyboard.html
* Copyright (c) 2008 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 <avr/io.h>
#include <util/delay.h>
#include "usb_gamepad.h"
#define LED_CONFIG (DDRD |= (1<<6))
#define LED_OFF (PORTD &= ~(1<<6))
#define LED_ON (PORTD |= (1<<6))
#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
#define BTN_CROSS (1 << 0)
#define BTN_SQUARE (1 << 1)
#define BTN_TRIANGLE (1 << 2)
#define BTN_CIRCLE (1 << 3)
#define BTN_R1 (1 << 4)
#define BTN_R2 (1 << 5)
#define BTN_L1 (1 << 6)
#define BTN_L2 (1 << 7)
#define PORT1 PORTB
#define PORT1_PINS (BTN_CROSS | BTN_SQUARE | BTN_TRIANGLE | \
BTN_CIRCLE | BTN_R1 | BTN_R2 | BTN_L1 | BTN_L2)
#define BTN_CROSS_ON (PINB & BTN_CROSS) == 0
#define BTN_SQUARE_ON (PINB & BTN_SQUARE) == 0
#define BTN_TRIANGLE_ON (PINB & BTN_TRIANGLE) == 0
#define BTN_CIRCLE_ON (PINB & BTN_CIRCLE) == 0
#define BTN_R1_ON (PINB & BTN_R1) == 0
#define BTN_R2_ON (PINB & BTN_R2) == 0
#define BTN_L1_ON (PINB & BTN_L1) == 0
#define BTN_L2_ON (PINB & BTN_L2) == 0
#define JOYSTICK_RIGHT (1 << 0)
#define JOYSTICK_LEFT (1 << 1)
#define JOYSTICK_UP (1 << 2)
#define JOYSTICK_DOWN (1 << 3)
#define BTN_START (1 << 4)
#define BTN_SELECT (1 << 5)
#define BTN_PS (1 << 7)
#define PORT2 PORTD
#define PORT2_PINS (JOYSTICK_LEFT | JOYSTICK_RIGHT | JOYSTICK_UP | \
JOYSTICK_DOWN | BTN_START | BTN_SELECT | BTN_PS)
#define JOYSTICK_RIGHT_ON (PIND & JOYSTICK_RIGHT) == 0
#define JOYSTICK_LEFT_ON (PIND & JOYSTICK_LEFT) == 0
#define JOYSTICK_UP_ON (PIND & JOYSTICK_UP) == 0
#define JOYSTICK_DOWN_ON (PIND & JOYSTICK_DOWN) == 0
#define BTN_START_ON (PIND & BTN_START) == 0
#define BTN_SELECT_ON (PIND & BTN_SELECT) == 0
#define BTN_PS_ON (PIND & BTN_PS) == 0
int main(void) {
// set for 16 MHz clock
CPU_PRESCALE(0);
// enable pull-ups on button & joystick pins
PORT1 = PORT1_PINS;
PORT2 = PORT2_PINS;
LED_CONFIG;
LED_ON; // power up led on startup for 1 sec
// Initialize the USB, and then wait for the host to set configuration.
// If the Teensy is powered without a PC connected to the USB port,
// this will wait forever.
usb_init();
while (!usb_configured()) /* wait */ ;
// Wait an extra second for the PC's operating system to load drivers
// and do whatever it does to actually be ready for input
_delay_ms(1000);
LED_OFF;
while (1) {
usb_gamepad_reset_state();
if (JOYSTICK_UP_ON) {
gamepad_state.direction = 0;
if (JOYSTICK_LEFT_ON) {
gamepad_state.direction = 7;
} else if (JOYSTICK_RIGHT_ON) {
gamepad_state.direction = 1;
}
} else {
if (JOYSTICK_DOWN_ON) {
gamepad_state.direction = 4;
if (JOYSTICK_LEFT_ON) {
gamepad_state.direction = 5;
} else if (JOYSTICK_RIGHT_ON) {
gamepad_state.direction = 3;
}
} else {
if (JOYSTICK_LEFT_ON) {
gamepad_state.direction = 6;
} else if (JOYSTICK_RIGHT_ON) {
gamepad_state.direction = 2;
}
}
}
if (BTN_CROSS_ON) {
gamepad_state.cross_btn = 1;
gamepad_state.cross_axis = 0xff;
}
if (BTN_SQUARE_ON) {
gamepad_state.square_btn = 1;
gamepad_state.square_axis = 0xff;
}
if (BTN_TRIANGLE_ON) {
gamepad_state.triangle_btn = 1;
gamepad_state.triangle_axis = 0xff;
}
if (BTN_CIRCLE_ON) {
gamepad_state.circle_btn = 1;
gamepad_state.circle_axis = 0xff;
}
if (BTN_R1_ON) {
gamepad_state.r1_btn = 1;
gamepad_state.r1_axis = 0xff;
}
if (BTN_R2_ON) {
gamepad_state.r2_btn = 1;
gamepad_state.r2_axis = 0xff;
}
if (BTN_L1_ON) {
gamepad_state.l1_btn = 1;
gamepad_state.l1_axis = 0xff;
}
if (BTN_L2_ON) {
gamepad_state.l2_btn = 1;
gamepad_state.l2_axis = 0xff;
}
if (BTN_START_ON) {
gamepad_state.start_btn = 1;
}
if (BTN_SELECT_ON) {
gamepad_state.select_btn = 1;
}
if (BTN_PS_ON) {
gamepad_state.ps_btn = 1;
}
usb_gamepad_send();
}
}
|
