diff options
Diffstat (limited to 'common/stillness_detector.c')
| -rw-r--r-- | common/stillness_detector.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/common/stillness_detector.c b/common/stillness_detector.c index c33472aa22..c43e19873e 100644 --- a/common/stillness_detector.c +++ b/common/stillness_detector.c @@ -1,4 +1,4 @@ -/* Copyright 2019 The Chromium OS Authors. All rights reserved. +/* Copyright 2019 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ @@ -23,8 +23,8 @@ static bool stillness_batch_complete(struct still_det *still_det, uint32_t sample_time) { bool complete = false; - uint32_t batch_window = time_until(still_det->window_start_time, - sample_time); + uint32_t batch_window = + time_until(still_det->window_start_time, sample_time); /* Checking if enough data is accumulated */ if (batch_window >= still_det->min_batch_window && @@ -51,8 +51,8 @@ static inline fp_t compute_variance(fp_t acc_squared, fp_t acc, fp_t inv) return fp_mul((acc_squared - fp_mul(fp_sq(acc), inv)), inv); } -bool still_det_update(struct still_det *still_det, uint32_t sample_time, - fp_t x, fp_t y, fp_t z) +bool still_det_update(struct still_det *still_det, uint32_t sample_time, fp_t x, + fp_t y, fp_t z) { fp_t inv = FLOAT_TO_FP(0.0f), var_x, var_y, var_z; bool complete = false; @@ -88,12 +88,12 @@ bool still_det_update(struct still_det *still_det, uint32_t sample_time, return complete; } /* Calculating the VAR = sum(x^2)/n - sum(x)^2/n^2 */ - var_x = compute_variance( - still_det->acc_xx, still_det->acc_x, inv); - var_y = compute_variance( - still_det->acc_yy, still_det->acc_y, inv); - var_z = compute_variance( - still_det->acc_zz, still_det->acc_z, inv); + var_x = compute_variance(still_det->acc_xx, still_det->acc_x, + inv); + var_y = compute_variance(still_det->acc_yy, still_det->acc_y, + inv); + var_z = compute_variance(still_det->acc_zz, still_det->acc_z, + inv); /* Checking if sensor is still */ if (var_x < still_det->var_threshold && var_y < still_det->var_threshold && |