altos/kernel: Allow ao_cmd to be built without tasking

[fw/altos] / src / kernel / ao_notask.c

diff --git a/src/kernel/ao_notask.c b/src/kernel/ao_notask.c
index 00fe1ed61fc78d150dcf4e22102415e999d9d948..7207353af5444891b7982207c24d72fe5c3ddabc 100644 (file)
--- a/src/kernel/ao_notask.c
+++ b/src/kernel/ao_notask.c
@@ -39,6 +39,21 @@ ao_sleep(__xdata void *wchan)
        return 0;
 }
 
+#if HAS_AO_DELAY
+void
+ao_delay(uint16_t ticks)
+{
+       AO_TICK_TYPE    target;
+
+       if (!ticks)
+               ticks = 1;
+       target = ao_tick_count + ticks;
+       do {
+               ao_sleep(&ao_time);
+       } while ((int16_t) (target - ao_tick_count) > 0);
+}
+#endif
+
 void
 ao_wakeup(__xdata void *wchan)
 {