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path: root/digital/avr/modules/usb/lufa/LUFA/Drivers/Board/Temperature.c
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Diffstat (limited to 'digital/avr/modules/usb/lufa/LUFA/Drivers/Board/Temperature.c')
-rw-r--r--digital/avr/modules/usb/lufa/LUFA/Drivers/Board/Temperature.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/digital/avr/modules/usb/lufa/LUFA/Drivers/Board/Temperature.c b/digital/avr/modules/usb/lufa/LUFA/Drivers/Board/Temperature.c
new file mode 100644
index 00000000..f908ac96
--- /dev/null
+++ b/digital/avr/modules/usb/lufa/LUFA/Drivers/Board/Temperature.c
@@ -0,0 +1,60 @@
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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[] = {
+ 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);
+
+ 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);
+ }
+
+ return TEMP_MAX_TEMP;
+}