1
0
mirror of git://projects.qi-hardware.com/ben-wpan.git synced 2024-11-29 19:18:27 +02:00
ben-wpan/atusb/fw/atusb.c
Werner Almesberger ce16a16f73 atusb/fw/atusb.c (main): sleep (idle mode) while waiting for interrupts
This saves about 2 mA, leaving about 8 mA when idle. The transceiver
should consume 0.5 mA in TRX_OFF, CLKM up to 4 mA, and the idle MCU
core 1 mA. USB current is unknown.
2011-06-11 14:31:13 -03:00

50 lines
864 B
C

/*
* fw/atusb.c - ATUSB initialization and main loop
*
* Written 2008-2011 by Werner Almesberger
* Copyright 2008-2011 Werner Almesberger
*
* 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 2 of the License, or
* (at your option) any later version.
*/
#include <stdint.h>
#include <avr/io.h>
#include <avr/sleep.h>
#include <avr/interrupt.h>
#include "usb.h"
#include "board.h"
#include "sernum.h"
#include "spi.h"
#include "atusb/ep0.h"
int main(void)
{
board_init();
reset_rf();
user_get_descriptor = sernum_get_descr;
/* now we should be at 8 MHz */
usb_init();
ep0_init();
timer_init();
/* move interrupt vectors to 0 */
MCUCR = 1 << IVCE;
MCUCR = 0;
sei();
while (1)
sleep_mode();
}