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/*
LUFA Library
Copyright (C) Dean Camera, 2011.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
#include "Temperature.h"
static const uint16_t PROGMEM Temperature_Lookup[TEMP_TABLE_SIZE] =
{
0x3B4, 0x3B0, 0x3AB, 0x3A6, 0x3A0, 0x39A, 0x394, 0x38E, 0x388, 0x381, 0x37A, 0x373,
0x36B, 0x363, 0x35B, 0x353, 0x34A, 0x341, 0x338, 0x32F, 0x325, 0x31B, 0x311, 0x307,
0x2FC, 0x2F1, 0x2E6, 0x2DB, 0x2D0, 0x2C4, 0x2B8, 0x2AC, 0x2A0, 0x294, 0x288, 0x27C,
0x26F, 0x263, 0x256, 0x24A, 0x23D, 0x231, 0x225, 0x218, 0x20C, 0x200, 0x1F3, 0x1E7,
0x1DB, 0x1CF, 0x1C4, 0x1B8, 0x1AC, 0x1A1, 0x196, 0x18B, 0x180, 0x176, 0x16B, 0x161,
0x157, 0x14D, 0x144, 0x13A, 0x131, 0x128, 0x11F, 0x117, 0x10F, 0x106, 0x0FE, 0x0F7,
0x0EF, 0x0E8, 0x0E1, 0x0DA, 0x0D3, 0x0CD, 0x0C7, 0x0C0, 0x0BA, 0x0B5, 0x0AF, 0x0AA,
0x0A4, 0x09F, 0x09A, 0x096, 0x091, 0x08C, 0x088, 0x084, 0x080, 0x07C, 0x078, 0x074,
0x071, 0x06D, 0x06A, 0x067, 0x064, 0x061, 0x05E, 0x05B, 0x058, 0x055, 0x053, 0x050,
0x04E, 0x04C, 0x049, 0x047, 0x045, 0x043, 0x041, 0x03F, 0x03D, 0x03C, 0x03A, 0x038
};
int8_t Temperature_GetTemperature(void)
{
uint16_t Temp_ADC = ADC_GetChannelReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | TEMP_ADC_CHANNEL_MASK);
if (Temp_ADC > pgm_read_word(&Temperature_Lookup[0]))
return TEMP_MIN_TEMP;
for (uint16_t Index = 0; Index < TEMP_TABLE_SIZE; Index++)
{
if (Temp_ADC > pgm_read_word(&Temperature_Lookup[Index]))
return (Index + TEMP_TABLE_OFFSET_DEGREES);
}
return TEMP_MAX_TEMP;
}
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