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48 lines
741 B
C
48 lines
741 B
C
/**
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* @file lv_trig.h
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* Basic trigonometric integer functions
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*/
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#ifndef LV_TRIGO_H
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#define LV_TRIGO_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#include <stdint.h>
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/*********************
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* DEFINES
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*********************/
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#define TRIGO_SIN_MAX 32767
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Return with sinus of an angle
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* @param angle
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* @return sinus of 'angle'. sin(-90) = -32767, sin(90) = 32767
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*/
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int16_t lv_trigo_sin(int16_t angle);
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/**********************
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* MACROS
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**********************/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif
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