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#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <avr/sleep.h>
#include <avr/interrupt.h>
#include <avr/wdt.h>
#include "data_manager.h"
#include "display.h"
#include "timer.h"
#include "barometer.h"
#ifdef WDT_DISABLE
# warning "WDT disabled in this build"
# define WDT_SETUP_MAYBE(x)
# define WDT_PAT_MAYBE()
#else
# define WDT_SETUP_MAYBE(x) do{wdt_enable(x);}while(0)
# define WDT_PAT_MAYBE() do{wdt_reset();}while(0)
#endif
#define DEBUG_ALL_VAL ((1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6))
#define DEBUG_INIT do{DDRB |= DEBUG_ALL_VAL;}while(0)
#define DEBUG_MARK_SET_ALL do{PORTB |= DEBUG_ALL_VAL;}while(0)
#define DEBUG_MARK_1_SET do{PORTB |= 1 << 1;}while(0)
#define DEBUG_MARK_1_CLEAR do{PORTB &= ~(1 << 1);}while(0)
#define DEBUG_MARK_2_SET do{PORTB |= 1 << 3;}while(0)
#define DEBUG_MARK_2_CLEAR do{PORTB &= ~(1 << 3);}while(0)
#define DEBUG_MARK_3_SET do{PORTB |= 1 << 2;}while(0)
#define DEBUG_MARK_3_CLEAR do{PORTB &= ~(1 << 2);}while(0)
#define DEBUG_MARK_4_SET do{PORTB |= 1 << 6;}while(0)
#define DEBUG_MARK_4_CLEAR do{PORTB &= ~(1 << 6);}while(0)
#define DEBUG_MARK_5_SET do{PORTB |= 1 << 5;}while(0)
#define DEBUG_MARK_5_CLEAR do{PORTB &= ~(1 << 5);}while(0)
static struct data_ctx dctx = {};
/* ISR for collecting and displaying pressure, altitude data etc */
ISR(TIMER1_COMPA_vect)
{
data_manager_tick(&dctx);
//ui_tick();
WDT_PAT_MAYBE();
}
int main(void)
{
struct display display;
struct barometer barometer;
struct timer timer;
/* Initialise display before enabling interrupts */
get_system_display(&display);
display.init();
display.clear();
/* get descriptors for system default peripherals */
get_system_barometer(&barometer);
get_system_timer(&timer);
timer.init();
barometer.init();
data_manager_init(&dctx, &timer, &barometer);
DEBUG_INIT;
#ifdef USBCON
/* Disable USB controller if one is present - this spams (latches?) USB_GEN
* interrupt which we're not handling for now */
USBCON &= ~(1 << USBE);
#endif
// FIXME measure current saving here if any
//ACSR |= (1 << ACD);
/* main body should take no longer than 1 second to run */
WDT_SETUP_MAYBE(WDTO_2S);
sei();
while(1) {
set_sleep_mode(SLEEP_MODE_IDLE);
sleep_mode();
}
}
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