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#ifndef __TS_FILTER_MEDIAN_H__
#define __TS_FILTER_MEDIAN_H__
#include "ts_filter.h"
/*
* Touchscreen filter.
*
* median
*
* (c) 2008 Andy Green <andy@openmoko.com>
*/
struct ts_filter_median_configuration {
int extent;
int midpoint;
int decimation_threshold;
int decimation_above;
int decimation_below;
};
struct ts_filter_median {
struct ts_filter tsf;
struct ts_filter_median_configuration *config;
int decimation_count;
int last_issued[MAX_TS_FILTER_COORDS];
int valid; /* how many samples in the sort buffer are valid */
int *sort[MAX_TS_FILTER_COORDS]; /* samples taken for median */
int *fifo[MAX_TS_FILTER_COORDS]; /* samples taken for median */
int pos; /* where we are in the fifo sample memory */
};
extern struct ts_filter_api ts_filter_median_api;
#endif
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