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/*
* Xytronic LF-1600
* Open Source firmware
*
* Copyright (c) 2015-2017 Michael Buesch <m@bues.ch>
*
* 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.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "main.h"
#include "measure.h"
#include "measure_current.h"
#include "measure_temp.h"
#include "controller_current.h"
#include "controller_temp.h"
#include "pwm_current.h"
#include "timer.h"
#include "util.h"
#include "debug_uart.h"
#include "display.h"
#include "buttons.h"
#include "menu.h"
#include "settings.h"
#include "presets.h"
#include <avr/io.h>
#include <avr/wdt.h>
/* Configure unused package pins. */
static void unused_pins_init(void)
{
/* Configure unused pins as inputs with pull up
* to get a well defined level on the input driver.
*/
/* PB5 */
DDRB &= (uint8_t)~(1u << DDB5);
PORTB |= 1u << PB5;
/* PB6 */
DDRB &= (uint8_t)~(1u << DDB6);
PORTB |= 1u << PB6;
/* PC0 */
DDRC &= (uint8_t)~(1u << DDC0);
PORTC |= 1u << PC0;
}
/* Early boot routine. Runs before main().
* This function does not have a stack frame.
*/
void early_init(void) __attribute__((naked, section(".init3"), used));
void early_init(void)
{
/* Reconfigure watchdog. */
MCUSR = 0;
wdt_enable(WDTO_2S);
}
/* One iteration of the main loop. */
#ifndef SIMULATOR
static
#endif
void main_loop_once(void)
{
wdt_reset();
/* Handle measurement results (if any).
* This will also run the controllers, if needed.
*/
measure_work();
/* Handle user interface events. */
menu_work();
display_work();
buttons_work();
settings_work();
}
#ifndef RUN_MAIN_LOOP
# define RUN_MAIN_LOOP 1
#endif
/* Main entry point. */
int main(void) _mainfunc;
int main(void)
{
/* Disable all interrupt sources. */
TIMSK0 = 0u;
TIMSK1 = 0u;
/* Initialize basic system functions. */
timer_init();
buttons_init();
debug_uart_init();
settings_init();
display_init();
/* Initialize the measurement subsystem */
measure_init();
meascurr_init();
meastemp_init();
/* Initialize the controllers. */
contrcurr_init();
presets_init();
contrtemp_init();
/* Initialize the current actuator. */
pwmcurr_init();
/* Initialize the user interface. */
menu_init();
/* Configure unused package pins. */
unused_pins_init();
/* Startup measurements to get everything going. */
measure_start();
wdt_enable(WDTO_250MS);
irq_enable();
while (RUN_MAIN_LOOP)
main_loop_once();
return 0;
}
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