blob: 89dc795b2165168be97d2e8a03c580b38013f4ff (
plain)
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
|
/* Name: main.c
* Project: hid-mouse, a very simple HID example
* Author: Christian Starkjohann
* Creation Date: 2008-04-07
* Tabsize: 4
* Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH
* License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
* This Revision: $Id: main.c 790 2010-05-30 21:00:26Z cs $
*/
#include <stdint.h>
#include <avr/interrupt.h>
#include <avr/power.h>
#include <avr/wdt.h>
#include <avr/sleep.h>
#include <usbdrv/usbdrv.h>
#include "vusb.h"
#include "keyboard.h"
#include "host.h"
#include "timer.h"
#include "print.h"
#include "suspend.h"
#include "wait.h"
#include "sendchar.h"
#ifdef SLEEP_LED_ENABLE
# include "sleep_led.h"
#endif
#ifdef CONSOLE_ENABLE
void console_task(void);
#endif
#ifdef RAW_ENABLE
void raw_hid_task(void);
#endif
/* This is from main.c of USBaspLoader */
static void initForUsbConnectivity(void) {
uint8_t i = 0;
usbInit();
/* enforce USB re-enumerate: */
usbDeviceDisconnect(); /* do this while interrupts are disabled */
while (--i) { /* fake USB disconnect for > 250 ms */
wdt_reset();
wait_ms(1);
}
usbDeviceConnect();
}
static void vusb_send_remote_wakeup(void) {
cli();
uint8_t ddr_orig = USBDDR;
USBOUT |= (1 << USBMINUS);
USBDDR = ddr_orig | USBMASK;
USBOUT ^= USBMASK;
wait_ms(25);
USBOUT ^= USBMASK;
USBDDR = ddr_orig;
USBOUT &= ~(1 << USBMINUS);
sei();
}
bool vusb_suspended = false;
static void vusb_suspend(void) {
vusb_suspended = true;
#ifdef SLEEP_LED_ENABLE
sleep_led_enable();
#endif
suspend_power_down();
}
#if USB_COUNT_SOF
static void vusb_wakeup(void) {
vusb_suspended = false;
suspend_wakeup_init();
# ifdef SLEEP_LED_ENABLE
sleep_led_disable();
# endif
}
#endif
/** \brief Setup USB
*
* FIXME: Needs doc
*/
static void setup_usb(void) { initForUsbConnectivity(); }
uint16_t sof_timer = 0;
void protocol_setup(void) {
#if USB_COUNT_SOF
sof_timer = timer_read();
#endif
#ifdef CLKPR
// avoid unintentional changes of clock frequency in devices that have a
// clock prescaler
clock_prescale_set(clock_div_1);
#endif
keyboard_setup();
}
void protocol_init(void) {
setup_usb();
sei();
keyboard_init();
host_set_driver(vusb_driver());
wait_ms(50);
#ifdef SLEEP_LED_ENABLE
sleep_led_init();
#endif
}
void protocol_task(void) {
#if USB_COUNT_SOF
if (usbSofCount != 0) {
usbSofCount = 0;
sof_timer = timer_read();
if (vusb_suspended) {
vusb_wakeup();
}
} else {
// Suspend when no SOF in 3ms-10ms(7.1.7.4 Suspending of USB1.1)
if (!vusb_suspended && timer_elapsed(sof_timer) > 5) {
vusb_suspend();
}
}
#endif
if (vusb_suspended) {
vusb_suspend();
if (suspend_wakeup_condition()) {
vusb_send_remote_wakeup();
}
} else {
usbPoll();
// TODO: configuration process is inconsistent. it sometime fails.
// To prevent failing to configure NOT scan keyboard during configuration
if (usbConfiguration && usbInterruptIsReady()) {
keyboard_task();
}
vusb_transfer_keyboard();
#ifdef RAW_ENABLE
usbPoll();
if (usbConfiguration && usbInterruptIsReady3()) {
raw_hid_task();
}
#endif
#ifdef CONSOLE_ENABLE
usbPoll();
if (usbConfiguration && usbInterruptIsReady3()) {
console_task();
}
#endif
}
}
|
