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d0ec94203f
include/motion_lid.h is generally included by board.c in the various boards. But include/motion_lid.h actually needs host_command.h defined or else including it in board.c will cause a confusing error. This probably doesn't show up on other platforms like samus and glimmer because they define a few custom commands in board.c, but veyron doesn't need that. motion_lid ought to just include it directly if it really needs it. BUG=None, see next commits in the series, they won't compile without this TEST=See series BRANCH=veyron Change-Id: I42e966d891dbbcca7df484b59c9d1bb35d1357bc Signed-off-by: Alexandru M Stan <amstan@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/256696 Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Header for motion_lid.h */
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#ifndef __CROS_EC_MOTION_LID_H
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#define __CROS_EC_MOTION_LID_H
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#include "host_command.h"
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/* Anything outside of lid angle range [-180, 180] should work. */
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#define LID_ANGLE_UNRELIABLE 500
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/**
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* This structure defines all of the data needed to specify the orientation
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* of the base and lid accelerometers in order to calculate the lid angle.
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*/
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struct accel_orientation {
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/* Rotation matrix to rotate positive 90 degrees around the hinge. */
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matrix_3x3_t rot_hinge_90;
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/*
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* Rotation matrix to rotate 180 degrees around the hinge. The value
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* here should be rot_hinge_90 ^ 2.
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*/
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matrix_3x3_t rot_hinge_180;
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/* Vector pointing along hinge axis. */
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vector_3_t hinge_axis;
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};
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/* Link global structure for orientation. This must be defined in board.c. */
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extern const struct accel_orientation acc_orient;
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/**
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* Get last calculated lid angle. Note, the lid angle calculated by the EC
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* is un-calibrated and is an approximate angle.
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*
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* @return lid angle in degrees in range [0, 360], or LID_ANGLE_UNRELIABLE
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* if the lid angle can't be determined.
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*/
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int motion_lid_get_angle(void);
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int host_cmd_motion_lid(struct host_cmd_handler_args *args);
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void motion_lid_calc(void);
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#endif /* __CROS_EC_MOTION_LID_H */
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