altos: Go back to recording sensor data in globalsmm-ms5611

Instead of trying to get things into the ring from a variety of
functions, go back to the simpler method of storing them in globals
and having the ADC code just pluck out the most recent values.

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

1 files changed, 2 insertions, 0 deletions

diff --git a/src/drivers/ao_mpu6000.h b/src/drivers/ao_mpu6000.h
index ca76b081..ab36d6f2 100644
--- a/src/drivers/ao_mpu6000.h
+++ b/src/drivers/ao_mpu6000.h
@@ -155,6 +155,8 @@ struct ao_mpu6000_sample {
 	int16_t		gyro_z;
 };
 
+extern struct ao_mpu6000_sample	ao_mpu6000_current;
+
 void
 ao_mpu6000_init(void);