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#include <stddef.h>
#include <stdio.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include "task/task.h"
#include "task/sched.h"
#include "bug/panic.h"
#include "bug/debug.h"
#include "task/lock.h"
#include "time/clock.h"
#include "mcu/task/context.h"
#include "tshield/tshield.h"
#define WAIT_CYCLES(cycles) for (volatile unsigned long i = 0; i < cycles; ++i) {}
spin_lock_t on_lock = SPIN_LOCK_UNLOCKED;
volatile char on = 0;
void read(char id) {
while(1) {
spin_lock(&on_lock);
debug_led(0,on);
spin_unlock(&on_lock);
}
}
void write( char id) {
while(1) {
spin_lock(&on_lock);
on = !on;
WAIT_CYCLES(30000);
spin_unlock(&on_lock);
}
}
DECLARE_TASK(task1, DEFAULT_STACK_SIZE, read, 1);
DECLARE_TASK(task2, DEFAULT_STACK_SIZE, write, 2);
int main(int argc, char *argv[]) {
cli();
tshield_init();
spawn(&task1);
spawn(&task2);
sei();
clock_init(10, schedule);
clock_start();
sched_init();
panic(); //should never reach here
while(1){}
}
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