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/*
* analog - driver for analog inputs
*
* Copyright (c) 2009 Openmoko Inc.
*
* Authors Christopher Hall <hsw@openmoko.com>
*
* 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/>.
*/
#if !defined(_ANALOG_H_)
#define _ANALOG_H_ 1
#include <stdbool.h>
void Analog_initialise(void);
// this performs the ADC conversion and filtering
// call this periodically
void Analog_scan(void);
// routines to convert the current filtered value
// to engineering units
int Analog_BatteryMilliVolts(void);
int Analog_TemperatureCelcius(void);
int Analog_TemperatureCentiCelcius(void);
int Analog_ContrastMilliVolts(void);
#endif
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