altos: Don't start ADC ring until the other sensors have a valid value

Yes, this is still an ugly kludge, but it's easy.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/src/drivers/ao_mpu6000.h b/src/drivers/ao_mpu6000.h
index 5e52148d..fc7af1e0 100644
--- a/src/drivers/ao_mpu6000.h
+++ b/src/drivers/ao_mpu6000.h
@@ -156,6 +156,7 @@ struct ao_mpu6000_sample {
 };
 
 extern struct ao_mpu6000_sample ao_mpu6000_current;
+extern uint8_t ao_mpu6000_valid;
 
 void
 ao_mpu6000_init(void);