#include <ao.h>
#include <ao_lisp.h>
-static uint16_t blink_delay, blink_running;
-
-static void blink(void) {
- blink_running = 1;
- while (blink_delay) {
- ao_led_on(AO_LED_GREEN);
- ao_delay(blink_delay);
- ao_led_off(AO_LED_GREEN);
- ao_delay(blink_delay);
- }
- blink_running = 0;
- ao_wakeup(&blink_running);
- ao_exit();
-}
-
-struct ao_task blink_task;
-
-static void blink_cmd() {
- ao_cmd_decimal();
- blink_delay = ao_cmd_lex_i;
- if (blink_delay && !blink_running)
- ao_add_task(&blink_task, blink, "blink");
- if (!blink_delay)
- while (blink_running)
- ao_sleep(&blink_running);
-}
-
static void lisp_cmd() {
ao_lisp_read_eval_print();
}
static const struct ao_cmds blink_cmds[] = {
- { blink_cmd, "b <delay, 0 off>\0Blink the green LED" },
{ lisp_cmd, "l\0Run lisp interpreter" },
{ 0, 0 }
};
-
void main(void)
{
ao_led_init(LEDS_AVAILABLE);