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/*
* spreadspace avr utils
*
*
* Copyright (C) 2021 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/wdt.h>
#include <avr/interrupt.h>
#include <avr/power.h>
#include <stdio.h>
#include "util.h"
#include "led.h"
#include "usbio.h"
#include "fan.h"
void handle_cmd(uint8_t cmd)
{
switch(cmd) {
case '+': fan_speed_inc();/* printf("pwm = %d\r\n", fan_speed_get()); */ break;
case '-': fan_speed_dec();/* printf("pwm = %d\r\n", fan_speed_get()); */ break;
case 'r': reset2bootloader(); break;
}
printf("\rspeed: %5d rpm", fan_get_rpm());
}
int main(void)
{
MCUSR &= ~(1 << WDRF);
wdt_disable();
cpu_init();
jtag_disable();
led_init();
usbio_init();
fan_init();
sei();
// rotary encoder
DDRB &= ~((1<<PB4) | (1<<PB5));
PORTB |= (1<<PB4) | (1<<PB5);
led_on();
for(;;) {
int16_t BytesReceived = usbio_bytes_received();
while(BytesReceived > 0) {
int ReceivedByte = fgetc(stdin);
if(ReceivedByte != EOF) {
handle_cmd(ReceivedByte);
}
BytesReceived--;
}
usbio_task();
}
}
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