altos: Remove spurious ao_mma655x_spi_index variable

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

diff --git a/src/kernel/ao_notask.c b/src/kernel/ao_notask.c
index 6f967e6d2201db4d520f5410c33f7a038f00491d..7207353af5444891b7982207c24d72fe5c3ddabc 100644 (file)
--- a/src/kernel/ao_notask.c
+++ b/src/kernel/ao_notask.c
@@ -3,7 +3,8 @@
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -38,6 +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)
 {