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-rw-r--r--protocol/pjrc/main.c97
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1/* Keyboard example with debug channel, for Teensy USB Development Board
2 * http://www.pjrc.com/teensy/usb_keyboard.html
3 * Copyright (c) 2008 PJRC.COM, LLC
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to deal
7 * in the Software without restriction, including without limitation the rights
8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 * THE SOFTWARE.
22 */
23
24#include <stdbool.h>
25#include <avr/io.h>
26#include <avr/interrupt.h>
27#include <util/delay.h>
28#include "keyboard.h"
29#include "usb.h"
30#include "matrix.h"
31#include "print.h"
32#include "debug.h"
33#include "util.h"
34#include "bootloader.h"
35#ifdef PS2_MOUSE_ENABLE
36# include "ps2_mouse.h"
37#endif
38#include "host.h"
39#include "pjrc.h"
40
41
42#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
43
44
45bool debug_enable = false;
46bool debug_matrix = false;
47bool debug_keyboard = false;
48bool debug_mouse = false;
49
50
51int main(void)
52{
53 DEBUG_LED_CONFIG;
54 DEBUG_LED_OFF;
55
56 // set for 16 MHz clock
57 CPU_PRESCALE(0);
58
59 // Initialize the USB, and then wait for the host to set configuration.
60 // If the Teensy is powered without a PC connected to the USB port,
61 // this will wait forever.
62 usb_init();
63 while (!usb_configured()) /* wait */ ;
64
65 keyboard_init();
66 matrix_scan();
67 if (matrix_key_count() >= 3) {
68#ifdef DEBUG_LED
69 for (int i = 0; i < 6; i++) {
70 DEBUG_LED_CONFIG;
71 DEBUG_LED_ON;
72 _delay_ms(500);
73 DEBUG_LED_OFF;
74 _delay_ms(500);
75 }
76#else
77 _delay_ms(5000);
78#endif
79 print_enable = true;
80 debug_enable = true;
81 debug_matrix = true;
82 debug_keyboard = true;
83 debug_mouse = true;
84 print("debug enabled.\n");
85 }
86 if (matrix_key_count() >= 4) {
87 print("jump to bootloader...\n");
88 _delay_ms(1000);
89 bootloader_jump(); // not return
90 }
91
92
93 host_set_driver(pjrc_driver());
94 while (1) {
95 keyboard_proc();
96 }
97}