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cy_capsense_filter.h
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/***************************************************************************//**
* \file cy_capsense_filter.h
* \version 3.0
*
* \brief
* This file contains the definitions for all the filters implementation.
*
********************************************************************************
* \copyright
* Copyright 2018-2020, Cypress Semiconductor Corporation. All rights reserved.
* You may use this file only in accordance with the license, terms, conditions,
* disclaimers, and limitations in the end user license agreement accompanying
* the software package with which this file was provided.
*******************************************************************************/
#if !defined(CY_CAPSENSE_FILTER_H)
#define CY_CAPSENSE_FILTER_H
#include "cy_syslib.h"
#include "cy_capsense_structure.h"
#include "cy_capsense_structure.h"
#include "cy_capsense_common.h"
#if (defined(CY_IP_MXCSDV2) || defined(CY_IP_M0S8CSDV2) || defined(CY_IP_M0S8MSCV3))
#if defined(__cplusplus)
extern "C" {
#endif
/***************************************
* Function Prototypes
***************************************/
/*******************************************************************************
* LOW LEVEL FUNCTIONS
*******************************************************************************/
/******************************************************************************/
/** \addtogroup group_capsense_low_level *//** \{ */
/******************************************************************************/
void Cy_CapSense_InitializeAllBaselines(cy_stc_capsense_context_t * context);
void Cy_CapSense_InitializeWidgetBaseline(uint32_t widgetId, cy_stc_capsense_context_t * context);
void Cy_CapSense_InitializeSensorBaseline(uint32_t widgetId, uint32_t sensorId, cy_stc_capsense_context_t * context);
void Cy_CapSense_InitializeAllFilters(const cy_stc_capsense_context_t * context);
void Cy_CapSense_InitializeWidgetFilter(uint32_t widgetId, const cy_stc_capsense_context_t * context);
cy_capsense_status_t Cy_CapSense_UpdateAllBaselines(const cy_stc_capsense_context_t * context);
cy_capsense_status_t Cy_CapSense_UpdateWidgetBaseline(uint32_t widgetId, const cy_stc_capsense_context_t * context);
cy_capsense_status_t Cy_CapSense_UpdateSensorBaseline(uint32_t widgetId, uint32_t sensorId, const cy_stc_capsense_context_t * context);
/** \} */
/*******************************************************************************
* Function Prototypes - Internal functions
*******************************************************************************/
/******************************************************************************/
/** \cond SECTION_CAPSENSE_INTERNAL */
/** \addtogroup group_capsense_internal *//** \{ */
/******************************************************************************/
void Cy_CapSense_InitializeIIR(
uint32_t widgetId,
uint32_t sensorId,
const cy_stc_capsense_context_t * context);
void Cy_CapSense_RunIIR(
uint32_t widgetId,
uint32_t sensorId,
const cy_stc_capsense_context_t * context);
void Cy_CapSense_InitializeMedian(
uint32_t widgetId,
uint32_t sensorId,
const cy_stc_capsense_context_t * context);
void Cy_CapSense_RunMedian(
uint32_t widgetId,
uint32_t sensorId,
const cy_stc_capsense_context_t * context);
void Cy_CapSense_InitializeAverage(
uint32_t widgetId,
uint32_t sensorId,
const cy_stc_capsense_context_t * context);
void Cy_CapSense_RunAverage(
uint32_t widgetId,
uint32_t sensorId,
const cy_stc_capsense_context_t * context);
void Cy_CapSense_FtInitializeBaseline(
cy_stc_capsense_sensor_context_t * ptrSnsContext);
cy_capsense_status_t Cy_CapSense_FtUpdateBaseline(
const cy_stc_capsense_widget_context_t * ptrWdContext,
cy_stc_capsense_sensor_context_t * ptrSnsContext,
uint16_t * ptrSnsBslnInv,
const cy_stc_capsense_context_t * context);
uint32_t Cy_CapSense_FtMedian(uint32_t x1, uint32_t x2, uint32_t x3);
uint32_t Cy_CapSense_FtIIR1stOrder(uint32_t input, uint32_t prevOutput, uint32_t n);
uint32_t Cy_CapSense_FtJitter(uint32_t input, uint32_t prevOutput);
void Cy_CapSense_FtRunEnabledFiltersInternal(
const cy_stc_capsense_widget_config_t * ptrWdConfig,
cy_stc_capsense_sensor_context_t * ptrSnsContext,
uint16_t * ptrSnsRawHistory,
uint8_t * ptrSnsRawHistoryLow);
void Cy_CapSense_InitializeIIRInternal(
const cy_stc_capsense_widget_config_t * ptrWdConfig,
const cy_stc_capsense_sensor_context_t * ptrSnsContext,
uint16_t * ptrSnsRawHistory,
uint8_t * ptrSnsRawHistoryLow);
void Cy_CapSense_RunIIRInternal(
const cy_stc_capsense_widget_config_t * ptrWdConfig,
cy_stc_capsense_sensor_context_t * ptrSnsContext,
uint16_t * ptrSnsRawHistory,
uint8_t * ptrSnsRawHistoryLow);
void Cy_CapSense_InitializeMedianInternal(
const cy_stc_capsense_widget_config_t * ptrWdConfig,
const cy_stc_capsense_sensor_context_t * ptrSnsContext,
uint16_t * ptrSnsRawHistory);
void Cy_CapSense_RunMedianInternal(
const cy_stc_capsense_widget_config_t * ptrWdConfig,
cy_stc_capsense_sensor_context_t * ptrSnsContext,
uint16_t * ptrSnsRawHistory);
void Cy_CapSense_InitializeAverageInternal(
const cy_stc_capsense_widget_config_t * ptrWdConfig,
const cy_stc_capsense_sensor_context_t * ptrSnsContext,
uint16_t * ptrSnsRawHistory);
void Cy_CapSense_RunAverageInternal(
const cy_stc_capsense_widget_config_t * ptrWdConfig,
cy_stc_capsense_sensor_context_t * ptrSnsContext,
uint16_t * ptrSnsRawHistory);
/** \} \endcond */
#if defined(__cplusplus)
}
#endif
#endif /* (defined(CY_IP_MXCSDV2) || defined(CY_IP_M0S8CSDV2) || defined(CY_IP_M0S8MSCV3)) */
#endif /* CY_CAPSENSE_FILTER_H */
/* [] END OF FILE */