robobuggy / arduino / RadioBuggyMega / filter.h @ 0c80370b
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/**
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* @file filter.h
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* @brief Filter to filter data from rc_available
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*
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* @author: Audrey Yeoh (ayeoh)
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*
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*/
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#ifndef _FILTER_H_
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#define _FILTER_H_
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#ifdef __cplusplus
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extern "C"{ |
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#endif
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#define FILTER_LEN 5 // Averaging window size |
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struct filter_state {
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int prev_values[FILTER_LEN];
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char started;
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int pos; // next index to update |
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}; |
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void filter_init(struct filter_state *state); |
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int filter_loop(struct filter_state *state, int val); // returns the int that has been filtered |
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#ifdef __cplusplus
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} |
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#endif
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#endif
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