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44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
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/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2017 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef UPM_COMPASS_H_
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#define UPM_COMPASS_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Compass function table
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typedef struct _upm_compass_ft {
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upm_result_t (*upm_compass_set_scale) (void* dev, float scale);
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upm_result_t (*upm_compass_set_offset) (void* dev, float offset);
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// returns a heading in degrees
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upm_result_t (*upm_compass_get_value) (void* dev, float *value);
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} upm_compass_ft;
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#ifdef __cplusplus
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}
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#endif
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#endif /* UPM_COMPASS_H_ */
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