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/*
* spreadspace avr utils
*
*
* Copyright (C) 2013-2015 Christian Pointner <equinox@spreadspace.org>
*
* This file is part of spreadspace avr utils.
*
* spreadspace avr utils 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 3 of the License, or
* any later version.
*
* spreadspace avr utils is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
*/
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/interrupt.h>
#include <avr/power.h>
#include <stdio.h>
#include "util.h"
#include "led.h"
#include "util/delay.h"
#define PWM_VAL OCR1BL
void pwm_init(void)
{
DDRB |= (1<<PB6);
TCCR1B = 0;
TCNT1 = 0;
OCR1B = 0;
TCCR1A = (1<<COM1B1) | (1<<WGM10);
TCCR1B = (1<<WGM12) | (1<<CS10);
}
inline void pwm_set(uint8_t val)
{
PWM_VAL = val;
}
inline void pwm_inc(void)
{
if(PWM_VAL < 255)
PWM_VAL++;
}
inline void pwm_dec(void)
{
if(PWM_VAL > 0)
PWM_VAL--;
}
/* void handle_cmd(uint8_t cmd) */
/* { */
/* switch(cmd) { */
/* case '0': led_off(); printf("ok\r\n"); break; */
/* case '1': led_on(); printf("ok\r\n"); break; */
/* case '+': pwm_inc(); printf("pwm = %d\r\n", PWM_VAL); break; */
/* case '-': pwm_dec(); printf("pwm = %d\r\n", PWM_VAL); break; */
/* case 'r': reset2bootloader(); break; */
/* default: printf("error\r\n"); return; */
/* } */
/* } */
int main(void)
{
MCUSR &= ~(1 << WDRF);
wdt_disable();
cpu_init();
led_init();
pwm_init();
sei();
led_off();
for(;;) {
_delay_ms(100);
led_toggle();
_delay_ms(900);
led_toggle();
/* int16_t BytesReceived = usbio_bytes_received(); */
/* while(BytesReceived > 0) { */
/* int ReceivedByte = fgetc(stdin); */
/* if(ReceivedByte != EOF) { */
/* handle_cmd(ReceivedByte); */
/* } */
/* BytesReceived--; */
/* } */
/* adc_task(); */
/* usbio_task(); */
}
}
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