altos: Check for full log and complain

Reports special tone along with the continuity checks.
Reports flight 0 in telemetry.

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

1 files changed, 4 insertions, 0 deletions

diff --git a/src/ao.h b/src/ao.h
index ad02a829..37a39a79 100644
--- a/src/ao.h
+++ b/src/ao.h
@@ -628,6 +628,10 @@ ao_log_write_erase(uint8_t pos);
 uint8_t
 ao_log_present(void);
 
+/* Returns true if there is no more storage space available */
+uint8_t
+ao_log_full(void);
+
 /*
  * ao_flight.c
  */