altos: Declare ao_delay_until API in ao.h

This uses AO_TICK_TYPE which isn't defined until we get to ao.h

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/src/kernel/ao.h b/src/kernel/ao.h
index be663775e91fab86eb119d7690a67fb961c7e1ff..9bbd561eedf854467057c30ef32aade8668b9af9 100644 (file)
--- a/src/kernel/ao.h
+++ b/src/kernel/ao.h
@@ -126,6 +126,9 @@ ao_time_ns(void);
 void
 ao_delay(AO_TICK_TYPE ticks);
 
+void
+ao_delay_until(AO_TICK_TYPE target);
+
 /* Set the ADC interval */
 void
 ao_timer_set_adc_interval(uint8_t interval);