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| author | Yuval Peress <peress@chromium.org> | 2020-07-14 18:44:20 -0600 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-08-18 22:04:40 +0000 |
| commit | 474c6a5321de1a56c0751963d20843a5d4eaf7c1 (patch) | |
| tree | 7a05135570fd3919df069767a8f0db3dda4a5b47 /include/math_util.h | |
| parent | bc932aea929e058ab7561fc341fbea59d18240a0 (diff) | |
| download | chrome-ec-474c6a5321de1a56c0751963d20843a5d4eaf7c1.tar.gz | |
common: gyro_cal: Implement gyroscope calibration
Implement the calibration code for the gyroscope which is ported over
from AOSP's https://android.googlesource.com/device/google/contexthub/+/refs/heads/master/firmware/os/algos/calibration/gyroscope/
BUG=b:138303429,b:137204366,chromium:1023858
TEST=Added unit tests
BRANCH=None
Signed-off-by: Yuval Peress <peress@chromium.org>
Change-Id: Ic1ab2efb66565cda0a96c9c06722136fb184df77
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2244934
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Diffstat (limited to 'include/math_util.h')
| -rw-r--r-- | include/math_util.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/math_util.h b/include/math_util.h index a54eaf3618..6b60d4a1d6 100644 --- a/include/math_util.h +++ b/include/math_util.h @@ -22,6 +22,9 @@ typedef float fp_inter_t; /* Fixed-point to float, for unit tests */ #define FP_TO_FLOAT(x) ((float)(x)) +#define FLT_MAX (3.4028234664e+38) +#define FLT_MIN (1.1754943508e-38) + #else /* Fixed-point type */ typedef int32_t fp_t; @@ -39,6 +42,10 @@ typedef int64_t fp_inter_t; #define FLOAT_TO_FP(x) ((fp_t)((x) * (float)(1<<FP_BITS))) /* Fixed-point to float, for unit tests */ #define FP_TO_FLOAT(x) ((float)(x) / (float)(1<<FP_BITS)) + +#define FLT_MAX INT32_MAX +#define FLT_MIN INT32_MIN + #endif /* |