diff options
author | Keith Packard <keithp@keithp.com> | 2013-10-25 04:34:16 -0700 |
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committer | Keith Packard <keithp@keithp.com> | 2013-10-25 04:34:16 -0700 |
commit | 351d53836e201834a2d89773a08ab7c2dab2b2f4 (patch) | |
tree | 599b180bc18e690496091dd335d8fa7731400b86 /src/core/ao.h | |
parent | 08143a922fe27bc50a19924f46538f9476ab5fd1 (diff) |
altos: Calibrate IMU accelerometers too
Average the IMU accelerometer values pointing up and down so that we
have a zero-g offset for all three axes. This can then be used to
compute which direction the rocket is pointing while sitting on the pad.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/core/ao.h')
-rw-r--r-- | src/core/ao.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/core/ao.h b/src/core/ao.h index ea37885e..d12f13a0 100644 --- a/src/core/ao.h +++ b/src/core/ao.h @@ -739,7 +739,7 @@ extern __xdata uint8_t ao_force_freq; #endif #define AO_CONFIG_MAJOR 1 -#define AO_CONFIG_MINOR 14 +#define AO_CONFIG_MINOR 15 #define AO_AES_LEN 16 @@ -773,6 +773,11 @@ struct ao_config { #if HAS_RADIO_AMP uint8_t radio_amp; /* minor version 14 */ #endif +#if HAS_GYRO + uint16_t accel_zero_along; /* minor version 15 */ + uint16_t accel_zero_across; /* minor version 15 */ + uint16_t accel_zero_through; /* minor version 15 */ +#endif }; #define AO_IGNITE_MODE_DUAL 0 |