135 lines
2.8 KiB
C++
135 lines
2.8 KiB
C++
/*
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* Copyright (C) OpenTX
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*
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* Based on code named
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* th9x - http://code.google.com/p/th9x
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* er9x - http://code.google.com/p/er9x
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* gruvin9x - http://code.google.com/p/gruvin9x
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*
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* License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _TELEMETRY_HOLDERS_H_
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#define _TELEMETRY_HOLDERS_H_
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#include <inttypes.h>
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#include <string.h>
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#include "../timers.h"
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#define TELEMETRY_AVERAGE_COUNT 3 // we actually average one more reading!
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#define RAW_FRSKY_MINMAX(v) v.values[TELEMETRY_AVERAGE_COUNT-1]
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#define MAX_CELLS 6
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class TelemetryValue {
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public:
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uint8_t value()
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{
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return _value;
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}
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void set(uint8_t value)
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{
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_value = value;
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}
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void reset()
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{
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set(0);
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}
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protected:
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uint8_t _value;
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};
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template <class T>
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class TelemetryFilterDecorator: public T {
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public:
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void set(uint8_t value)
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{
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if (value == 0 || this->_value == 0) {
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memset(values, value, TELEMETRY_AVERAGE_COUNT);
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this->_value = value;
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}
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else {
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// calculate the average from values[] and value
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// also shift readings in values [] array
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unsigned int sum = values[0];
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for (int i=0; i<TELEMETRY_AVERAGE_COUNT-1; i++) {
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uint8_t tmp = values[i+1];
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values[i] = tmp;
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sum += tmp;
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}
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values[TELEMETRY_AVERAGE_COUNT-1] = value;
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sum += value;
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this->_value = sum / (TELEMETRY_AVERAGE_COUNT+1);
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}
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}
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void reset()
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{
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memclear(this, sizeof(*this));
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}
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protected:
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uint8_t values[TELEMETRY_AVERAGE_COUNT];
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};
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template <class T>
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class TelemetryExpiringDecorator: public T {
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public:
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void set(uint8_t value)
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{
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T::set(value);
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expirationTime = get_tmr10ms() + 1000/*10s*/;
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}
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void reset()
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{
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memclear(this, sizeof(*this));
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}
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bool isFresh()
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{
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return get_tmr10ms() < expirationTime;
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}
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protected:
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tmr10ms_t expirationTime;
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};
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template <class T>
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class TelemetryMinDecorator: public T {
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public:
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void set(uint8_t value)
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{
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T::set(value);
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if (!_min || value < _min) {
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_min = value;
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}
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}
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uint8_t min()
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{
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return _min;
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}
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void reset()
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{
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memclear(this, sizeof(*this));
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}
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protected:
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uint8_t _min;
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};
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#endif // _TELEMETRY_HOLDERS_H_
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