diff options
Diffstat (limited to 'include/accel_cal.h')
-rw-r--r-- | include/accel_cal.h | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/include/accel_cal.h b/include/accel_cal.h deleted file mode 100644 index 80f0161a04..0000000000 --- a/include/accel_cal.h +++ /dev/null @@ -1,52 +0,0 @@ -/* Copyright 2020 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* Online accelerometer calibration */ - -#ifndef __CROS_EC_ACCEL_CAL_H -#define __CROS_EC_ACCEL_CAL_H - -#include "common.h" -#include "kasa.h" -#include "newton_fit.h" -#include "stdbool.h" -#include "stillness_detector.h" - -struct accel_cal_algo { - struct kasa_fit kasa_fit; - struct newton_fit newton_fit; -}; - -struct accel_cal { - struct still_det still_det; - struct accel_cal_algo *algos; - uint8_t num_temp_windows; - fpv3_t bias; -}; - -/** - * Reset the accelerometer calibration object. This should only be called - * once. The struct will reset automatically in accel_cal_accumulate when - * a new calibration is computed. - * - * @param cal Pointer to the accel_cal struct to reset. - */ -void accel_cal_reset(struct accel_cal *cal); - -/** - * Add new reading to the accelerometer calibration. - * - * @param cal Pointer to the accel_cal struct to update. - * @param sample_time The timestamp when the sample was taken. - * @param x X component of the new reading. - * @param y Y component of the new reading. - * @param z Z component of the new reading. - * @param temp The sensor's internal temperature in degrees C. - * @return True if a new bias is available. - */ -bool accel_cal_accumulate(struct accel_cal *cal, uint32_t sample_time, fp_t x, - fp_t y, fp_t z, fp_t temp); - -#endif /* __CROS_EC_ACCEL_CAL_H */ |