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1/* Name: main.c
2 * Project: hid-mouse, a very simple HID example
3 * Author: Christian Starkjohann
4 * Creation Date: 2008-04-07
5 * Tabsize: 4
6 * Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH
7 * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
8 * This Revision: $Id: main.c 790 2010-05-30 21:00:26Z cs $
9 */
10#include <stdint.h>
11#include <avr/interrupt.h>
12#include <avr/wdt.h>
13#include <avr/sleep.h>
14#include <util/delay.h>
15#include "usbdrv.h"
16#include "oddebug.h"
17#include "vusb.h"
18#include "keyboard.h"
19#include "host.h"
20#include "timer.h"
21#include "uart.h"
22#include "debug.h"
23
24
25#define UART_BAUD_RATE 115200
26
27
28/* This is from main.c of USBaspLoader */
29static void initForUsbConnectivity(void)
30{
31 uint8_t i = 0;
32
33 usbInit();
34 /* enforce USB re-enumerate: */
35 usbDeviceDisconnect(); /* do this while interrupts are disabled */
36 while(--i){ /* fake USB disconnect for > 250 ms */
37 wdt_reset();
38 _delay_ms(1);
39 }
40 usbDeviceConnect();
41 sei();
42}
43
44int main(void)
45{
46 bool suspended = false;
47#if USB_COUNT_SOF
48 uint16_t last_timer = timer_read();
49#endif
50
51 CLKPR = 0x80, CLKPR = 0;
52#ifndef PS2_USE_USART
53 uart_init(UART_BAUD_RATE);
54#endif
55
56 keyboard_init();
57 host_set_driver(vusb_driver());
58
59 debug("initForUsbConnectivity()\n");
60 initForUsbConnectivity();
61
62 debug("main loop\n");
63 while (1) {
64#if USB_COUNT_SOF
65 if (usbSofCount != 0) {
66 suspended = false;
67 usbSofCount = 0;
68 last_timer = timer_read();
69 } else {
70 // Suspend when no SOF in 3ms-10ms(7.1.7.4 Suspending of USB1.1)
71 if (timer_elapsed(last_timer) > 5) {
72 suspended = true;
73/*
74 uart_putchar('S');
75 _delay_ms(1);
76 cli();
77 set_sleep_mode(SLEEP_MODE_PWR_DOWN);
78 sleep_enable();
79 sleep_bod_disable();
80 sei();
81 sleep_cpu();
82 sleep_disable();
83 _delay_ms(10);
84 uart_putchar('W');
85*/
86 }
87 }
88#endif
89 if (!suspended) {
90 usbPoll();
91
92 // TODO: configuration process is incosistent. it sometime fails.
93 // To prevent failing to configure NOT scan keyboard during configuration
94 if (usbConfiguration && usbInterruptIsReady()) {
95 keyboard_task();
96 }
97 vusb_transfer_keyboard();
98 }
99 }
100}