altos: Keep telemetry and command output from interleaving

[fw/altos] / src / kernel / ao.h

diff --git a/src/kernel/ao.h b/src/kernel/ao.h
index 0f878df5be68f4aff61ba9c39247f333e6e5e243..56945bf5f513edb1a1576b7ba19873255ab59f58 100644 (file)
--- a/src/kernel/ao.h
+++ b/src/kernel/ao.h
@@ -667,6 +667,7 @@ extern __xdata union ao_monitor ao_monitor_ring[AO_MONITOR_RING];
 #define ao_monitor_ring_next(n)        (((n) + 1) & (AO_MONITOR_RING - 1))
 #define ao_monitor_ring_prev(n)        (((n) - 1) & (AO_MONITOR_RING - 1))
 
+extern __data uint8_t ao_monitoring_mutex;
 extern __data uint8_t ao_monitoring;
 extern __data uint8_t ao_monitor_head;