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#ifndef TK_CALIBRATION_H
#define TK_CALIBRATION_H
/*
* Attiny calibration header.
* This allows using a single set of hardcoded values across multiple projects.
*
* Copyright (C) 2015 Selene ToyKeeper
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/********************** Voltage ADC calibration **************************/
// These values were measured using RMM's FET+7135.
// See battcheck/readings.txt for reference values.
#define ADC_42 195 // the ADC value we expect for 4.20 volts
#define ADC_100 195 // the ADC value for 100% full (4.2V resting)
#define ADC_75 186 // the ADC value for 75% full (4.0V resting)
#define ADC_50 176 // the ADC value for 50% full (3.8V resting)
#define ADC_25 162 // the ADC value for 25% full (3.5V resting)
#define ADC_0 138 // the ADC value for 0% full (3.0V resting)
#define ADC_LOW 129 // When do we start ramping down (2.8V)
#define ADC_CRIT 124 // When do we shut the light off (2.7V)
/********************** Offtime capacitor calibration ********************/
// Values are between 1 and 255, and can be measured with offtime-cap.c
// See battcheck/otc-readings.txt for reference values.
// These #defines are the edge boundaries, not the center of the target.
#ifdef OFFTIM3
// The OTC value 0.5s after being disconnected from power
// (anything higher than this is a "short press")
#define CAP_SHORT 190
// The OTC value 1.5s after being disconnected from power
// Between CAP_MED and CAP_SHORT is a "medium press"
#define CAP_MED 94
// Below CAP_MED is a long press
#else
// The OTC value 1.0s after being disconnected from power
// Anything higher than this is a short press, lower is a long press
#define CAP_SHORT 115
#endif
#endif // TK_CALIBRATION_H
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