141 lines
3.6 KiB
C
141 lines
3.6 KiB
C
/* 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/wdt.h>
|
|
#include <avr/sleep.h>
|
|
#include <util/delay.h>
|
|
#include "usbdrv.h"
|
|
#include "oddebug.h"
|
|
#include "vusb.h"
|
|
#include "keyboard.h"
|
|
#include "host.h"
|
|
#include "timer.h"
|
|
#include "uart.h"
|
|
#include "debug.h"
|
|
#include "suspend.h"
|
|
#ifdef SLEEP_LED_ENABLE
|
|
# include "sleep_led.h"
|
|
#endif
|
|
|
|
#define UART_BAUD_RATE 115200
|
|
|
|
/* 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();
|
|
_delay_ms(1);
|
|
}
|
|
usbDeviceConnect();
|
|
sei();
|
|
}
|
|
|
|
void usb_remote_wakeup(void) {
|
|
cli();
|
|
|
|
int8_t ddr_orig = USBDDR;
|
|
USBOUT |= (1 << USBMINUS);
|
|
USBDDR = ddr_orig | USBMASK;
|
|
USBOUT ^= USBMASK;
|
|
|
|
_delay_ms(25);
|
|
|
|
USBOUT ^= USBMASK;
|
|
USBDDR = ddr_orig;
|
|
USBOUT &= ~(1 << USBMINUS);
|
|
|
|
sei();
|
|
}
|
|
|
|
int main(void) {
|
|
bool suspended = false;
|
|
#if USB_COUNT_SOF
|
|
uint16_t last_timer = timer_read();
|
|
#endif
|
|
|
|
#ifdef CLKPR
|
|
// avoid unintentional changes of clock frequency in devices that have a
|
|
// clock prescaler
|
|
CLKPR = 0x80, CLKPR = 0;
|
|
#endif
|
|
#ifndef NO_UART
|
|
uart_init(UART_BAUD_RATE);
|
|
#endif
|
|
keyboard_setup();
|
|
|
|
host_set_driver(vusb_driver());
|
|
debug("initForUsbConnectivity()\n");
|
|
initForUsbConnectivity();
|
|
|
|
keyboard_init();
|
|
#ifdef SLEEP_LED_ENABLE
|
|
sleep_led_init();
|
|
#endif
|
|
|
|
debug("main loop\n");
|
|
while (1) {
|
|
#if USB_COUNT_SOF
|
|
if (usbSofCount != 0) {
|
|
suspended = false;
|
|
usbSofCount = 0;
|
|
last_timer = timer_read();
|
|
# ifdef SLEEP_LED_ENABLE
|
|
sleep_led_disable();
|
|
# endif
|
|
} else {
|
|
// Suspend when no SOF in 3ms-10ms(7.1.7.4 Suspending of USB1.1)
|
|
if (timer_elapsed(last_timer) > 5) {
|
|
suspended = true;
|
|
# ifdef SLEEP_LED_ENABLE
|
|
sleep_led_enable();
|
|
# endif
|
|
/*
|
|
uart_putchar('S');
|
|
_delay_ms(1);
|
|
cli();
|
|
set_sleep_mode(SLEEP_MODE_PWR_DOWN);
|
|
sleep_enable();
|
|
sleep_bod_disable();
|
|
sei();
|
|
sleep_cpu();
|
|
sleep_disable();
|
|
_delay_ms(10);
|
|
uart_putchar('W');
|
|
*/
|
|
}
|
|
}
|
|
#endif
|
|
if (!suspended) {
|
|
usbPoll();
|
|
|
|
// TODO: configuration process is incosistent. 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
|
|
} else if (suspend_wakeup_condition()) {
|
|
usb_remote_wakeup();
|
|
}
|
|
}
|
|
}
|