52 lines
895 B
C
52 lines
895 B
C
|
#include <stdbool.h>
|
||
|
|
|
||
|
|
#include "board.h"
|
||
|
|
#include "ctx.h"
|
||
|
|
#include "stack.h"
|
||
|
|
#include "queue.h"
|
||
|
|
#include "thread.h"
|
||
|
|
#include "schedule.h"
|
||
|
|
#include "isr.h"
|
||
|
|
#include "sys_tick.h"
|
||
|
|
#include "semaphore.h"
|
||
|
|
|
||
|
|
#define STACK_SIZE 256
|
||
|
|
static stack_t tc_1_stack[STACK_SIZE];
|
||
|
|
static struct thread_context tc_1;
|
||
|
|
static stack_t tc_2_stack[STACK_SIZE];
|
||
|
|
static struct thread_context tc_2;
|
||
|
|
|
||
|
|
static struct semaphore sem;
|
||
|
|
|
||
|
|
void task2(void *arg)
|
||
|
|
{
|
||
|
|
gpio_open(&led_1);
|
||
|
|
gpio_write(&led_1, 0);
|
||
|
|
while(1) {
|
||
|
|
semaphore_wait(&sem);
|
||
|
|
gpio_toggle(&led_1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void task1(void *arg)
|
||
|
|
{
|
||
|
|
while(1) {
|
||
|
|
sleep_ms(3000);
|
||
|
|
semaphore_post(&sem);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(void)
|
||
|
|
{
|
||
|
|
board_init();
|
||
|
|
sys_tick_init(&timer_1);
|
||
|
|
|
||
|
|
semaphore_init( &sem, 0);
|
||
|
|
|
||
|
|
thread_create(&tc_1, tc_1_stack, STACK_SIZE, task1, NULL, THREAD_PRIO_LOW);
|
||
|
|
thread_create(&tc_2, tc_2_stack, STACK_SIZE, task2, NULL, THREAD_PRIO_LOW);
|
||
|
|
schedule_start();
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|