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/** @file stopwatch1.c
@author M.P. Hayes
@date 22 Sep 2011
*/
#include "system.h"
#include "button.h"
#include "task.h"
#include "tinygl.h"
#include "../fonts/font3x5_1.h"
/* Define polling rates in Hz. */
#define BUTTON_TASK_RATE 100
#define DISPLAY_TASK_RATE 250
#define TIMER_TASK_RATE 100
static bool run;
static void button_task_init (void)
{
button_init ();
}
static void button_task (__unused__ void *data)
{
button_update ();
if (button_push_event_p (BUTTON1))
{
run = !run;
}
}
static void display_task_init (void)
{
tinygl_init (DISPLAY_TASK_RATE);
tinygl_font_set (&font3x5_1);
tinygl_text_mode_set (TINYGL_TEXT_MODE_STEP);
tinygl_text_dir_set (TINYGL_TEXT_DIR_ROTATE);
}
static void display_task (__unused__ void *data)
{
tinygl_update ();
}
static void timer_task_init (void)
{
tinygl_text ("00");
}
static void timer_task (__unused__ void *data)
{
static uint16_t time;
char str[3];
if (!run)
{
time = 0;
return;
}
str[0] = ((time / 10) % 10) + '0';
str[1] = (time % 10) + '0';
str[2] = 0;
tinygl_text (str);
time++;
}
int main (void)
{
task_t tasks[] =
{
{.func = display_task, .period = TASK_RATE / DISPLAY_TASK_RATE},
{.func = button_task, .period = TASK_RATE / BUTTON_TASK_RATE},
{.func = timer_task, .period = TASK_RATE / TIMER_TASK_RATE},
};
system_init ();
display_task_init ();
button_task_init ();
timer_task_init ();
task_schedule (tasks, ARRAY_SIZE (tasks));
return 0;
}