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70 lines
1.2 KiB
70 lines
1.2 KiB
/** @file task2.c
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@author M.P. Hayes
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@date 5 Oct 2010
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*/
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#include "system.h"
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#include "led.h"
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#include "task.h"
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#include "tinygl.h"
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#include "../fonts/font5x7_1.h"
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/* Define polling rate in Hz. */
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#define LED_TASK_RATE 2
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#define DISPLAY_TASK_RATE 400
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/* Define text update rate (characters per 10 s). */
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#define MESSAGE_RATE 10
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static void led_flash_task_init (void)
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{
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led_init ();
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}
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static void led_flash_task (__unused__ void *data)
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{
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static uint8_t state = 0;
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led_set (LED1, state);
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state = !state;
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}
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static void display_task_init (void)
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{
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tinygl_init (DISPLAY_TASK_RATE);
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tinygl_font_set (&font5x7_1);
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tinygl_text_speed_set (MESSAGE_RATE);
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tinygl_text_mode_set (TINYGL_TEXT_MODE_SCROLL_LEFT);
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tinygl_text ("HELLO WORLD ");
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}
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static void display_task (__unused__ void *data)
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{
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tinygl_update ();
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}
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int main (void)
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{
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task_t tasks[] =
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{
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{.func = display_task, .period = TASK_RATE / DISPLAY_TASK_RATE, .data = 0},
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{.func = led_flash_task, .period = TASK_RATE / LED_TASK_RATE, .data = 0},
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};
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system_init ();
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led_flash_task_init ();
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display_task_init ();
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task_schedule (tasks, 2);
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return 0;
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}
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