nes-proj/platform/avr-ravenlcd/temp.h

94 lines
2.9 KiB
C

/*
* Copyright (c) 2008 Swedish Institute of Computer Science
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of the copyright holders nor the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/**
* \file
*
* \brief
* Interface for the onboard temperature sensor.
*
* \author
* Mike Vidales mavida404@gmail.com
*
*/
#ifndef __TEMP_H__
#define __TEMP_H__
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include "adc.h"
#define PROGMEM_DECLARE(x) x __attribute__((__progmem__))
/** \addtogroup lcd */
/** \{ */
/** Type used with \ref temp_get() to select temperature unit */
typedef enum {
TEMP_UNIT_CELCIUS,
TEMP_UNIT_FAHRENHEIT
} temp_unit_t;
/** \name Definition of Port Pin for temp sensor. */
/** \{ */
#define TEMP_PORT PORTF
#define TEMP_DDR DDRF
#define TEMP_PIN PINF
#define TEMP_BIT_IN 4
#define TEMP_BIT_PWR 6
/** \} */
/** \brief Initialize the temperature sensor
* ADC2=EXT_SUPL_SIG can also be measured and sent
* to the 1284p along with the temperature reading.
*
* \return EOF on error
*/
//#define MEASURE_ADC2 1 //adds 250 bytes to program size
int temp_init(void);
/** \brief De-initialize the temperature sensor
*
*/
void temp_deinit(void);
/** \brief Read current temperature
*
* \param[in] unit Selected temperature unit (\ref temp_unit_t)
*
*
* \return EOF on error
*/
int16_t temp_get(temp_unit_t unit);
/** \} */
#endif /* __TEMP_H__ */