You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
1.3 KiB
81 lines
1.3 KiB
/** @file updown2.c
|
|
@author M.P. Hayes
|
|
@date 28 Aug 2008
|
|
|
|
@defgroup updown2 Simple counting program using navswitch
|
|
*/
|
|
|
|
#include "system.h"
|
|
#include "navswitch.h"
|
|
#include "tinygl.h"
|
|
#include "pacer.h"
|
|
#include "pio.h"
|
|
#include "../fonts/font3x5_1.h"
|
|
|
|
|
|
/* Define polling rate in Hz. */
|
|
#define LOOP_RATE 300
|
|
|
|
|
|
static void show_count (uint8_t count)
|
|
{
|
|
char buffer[2];
|
|
|
|
/* FIXME! */
|
|
buffer[0] = count + '0';
|
|
buffer[1] = 0;
|
|
tinygl_text (buffer);
|
|
}
|
|
|
|
|
|
int main (void)
|
|
{
|
|
uint8_t count = 5;
|
|
uint16_t tick = 0;
|
|
|
|
system_init ();
|
|
pio_config_set (LED1_PIO, PIO_OUTPUT_HIGH);
|
|
|
|
tinygl_init (LOOP_RATE);
|
|
tinygl_font_set (&font3x5_1);
|
|
|
|
navswitch_init ();
|
|
pacer_init (LOOP_RATE);
|
|
|
|
show_count (count);
|
|
|
|
|
|
/* Paced loop. */
|
|
while (1)
|
|
{
|
|
|
|
/* Wait for next tick. */
|
|
pacer_wait ();
|
|
|
|
tick++;
|
|
if (tick > LOOP_RATE / 2)
|
|
{
|
|
tick = 0;
|
|
pio_output_toggle (LED1_PIO);
|
|
}
|
|
|
|
navswitch_update ();
|
|
|
|
if (navswitch_push_event_p (NAVSWITCH_WEST))
|
|
{
|
|
count--;
|
|
show_count (count);
|
|
}
|
|
|
|
if (navswitch_push_event_p (NAVSWITCH_EAST))
|
|
{
|
|
count++;
|
|
show_count (count);
|
|
}
|
|
|
|
tinygl_update ();
|
|
}
|
|
|
|
return 0;
|
|
}
|