#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);
-}
+#include <ao_beep.h>
static void lisp_cmd() {
ao_lisp_read_eval_print();
}
+static void beep() {
+ ao_beep_for(AO_BEEP_MID, AO_MS_TO_TICKS(200));
+}
+
static const struct ao_cmds blink_cmds[] = {
- { blink_cmd, "b <delay, 0 off>\0Blink the green LED" },
{ lisp_cmd, "l\0Run lisp interpreter" },
+ { beep, "b\0Beep" },
{ 0, 0 }
};
-
void main(void)
{
ao_led_init(LEDS_AVAILABLE);
ao_dma_init();
ao_usb_init();
ao_serial_init();
+ ao_beep_init();
ao_cmd_init();
ao_cmd_register(blink_cmds);
ao_start_scheduler();