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.
99 lines
1.9 KiB
99 lines
1.9 KiB
/** @file ir_uart_test3.c
|
|
@author M. P. Hayes, UCECE
|
|
@date 12 October 2011
|
|
@brief Test program for IR serial communications.
|
|
|
|
@defgroup ir_uart_test3 Test program for IR serial communications.
|
|
*/
|
|
|
|
#include "system.h"
|
|
#include "navswitch.h"
|
|
#include "tinygl.h"
|
|
#include "pacer.h"
|
|
#include "uint8toa.h"
|
|
#include "ir_uart.h"
|
|
#include "../fonts/font3x5_1.h"
|
|
|
|
|
|
/* Define polling rate in Hz. */
|
|
#define LOOP_RATE 300
|
|
|
|
#define SWITCH_POLL_RATE 20
|
|
|
|
/* Define text update rate (characters per 10 s). */
|
|
#define MESSAGE_RATE 10
|
|
|
|
|
|
static void show_byte (uint8_t byte)
|
|
{
|
|
char buffer[6];
|
|
|
|
uint8toa (byte, buffer, 0);
|
|
|
|
tinygl_text (buffer);
|
|
}
|
|
|
|
|
|
int main (void)
|
|
{
|
|
int count;
|
|
uint8_t data = 'M';
|
|
|
|
system_init ();
|
|
tinygl_init (LOOP_RATE);
|
|
tinygl_font_set (&font3x5_1);
|
|
tinygl_text_speed_set (MESSAGE_RATE);
|
|
tinygl_text_mode_set (TINYGL_TEXT_MODE_STEP);
|
|
tinygl_text_dir_set (TINYGL_TEXT_DIR_ROTATE);
|
|
|
|
navswitch_init ();
|
|
ir_uart_init ();
|
|
|
|
pacer_init (LOOP_RATE);
|
|
|
|
show_byte ('M');
|
|
|
|
count = 0;
|
|
|
|
/* Paced loop. */
|
|
while (1)
|
|
{
|
|
/* Wait for next tick. */
|
|
pacer_wait ();
|
|
|
|
tinygl_update ();
|
|
|
|
if (ir_uart_read_ready_p ())
|
|
{
|
|
uint8_t data;
|
|
|
|
data = ir_uart_getc ();
|
|
|
|
/* Note, if messages come in too fast, say due to IR
|
|
inteference from fluorescent lights, then the display
|
|
will not keep up and will appear to freeze. */
|
|
show_byte (data);
|
|
}
|
|
|
|
count++;
|
|
if (count > LOOP_RATE / SWITCH_POLL_RATE)
|
|
{
|
|
count = 0;
|
|
|
|
navswitch_update ();
|
|
|
|
if (navswitch_push_event_p (NAVSWITCH_WEST))
|
|
{
|
|
ir_uart_putc (--data);
|
|
}
|
|
|
|
if (navswitch_push_event_p (NAVSWITCH_EAST))
|
|
{
|
|
ir_uart_putc (++data);
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|