From 0c0436f47c296513dace43d3ba20e3cc36f8f527 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@debian.lan>
Date: Sun, 25 Mar 2012 17:46:26 +0200
Subject: Board, rev A.

---
 firmware/LUFA/Drivers/Board/Temperature.c | 61 +++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 firmware/LUFA/Drivers/Board/Temperature.c

(limited to 'firmware/LUFA/Drivers/Board/Temperature.c')

diff --git a/firmware/LUFA/Drivers/Board/Temperature.c b/firmware/LUFA/Drivers/Board/Temperature.c
new file mode 100644
index 0000000..719dfe1
--- /dev/null
+++ b/firmware/LUFA/Drivers/Board/Temperature.c
@@ -0,0 +1,61 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2010.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2010  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[] = {
+   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);
+	}
+
+	return TEMP_MAX_TEMP;
+}
+
-- 
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