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Simplify vt8231 thermistor equations a little.

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git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@3195 7894878c-1315-0410-8ee3-d5d059ff63e0
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Jean Delvare committed 2005-11-19 15:36:27 +00:00
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commit 9e341d359b
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etc/sensors.conf.eg
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@@ -2099,12 +2099,12 @@ chip "vt8231-*"
# '^' is the e**x operator; '`' is the ln(x) operator
# (valid in library version 1.4.0 / lm_sensors 2.7.1 or higher)
# This assumes that the thermistor forms a resistor divider with a resistor
# equal to its nominal value @ 25C.
# equal to its nominal value at 25 degrees C.
compute temp2 3435 / (` (1 / (1 - @ / 2.2) - 1) + 3435 / 298.15) - 273.15, \
2.2 * (1 - 1 / (1 + (^ (3435 / (273.15 + @) - 3435 / 298.15))))
compute temp3 3435 / (` (1 / (1 - @ / 2.2) - 1) + 3435 / 298.15) - 273.15, \
2.2 * (1 - 1 / (1 + (^ (3435 / (273.15 + @) - 3435 / 298.15))))
compute temp2 1 / (1 / 298.15 - (` (2.2 / @ - 1)) / 3435) - 273.15, \
2.2 / (1 + (^ (3435 / 298.15 - 3435 / (273.15 + @))))
compute temp3 1 / (1 / 298.15 - (` (2.2 / @ - 1)) / 3435) - 273.15, \
2.2 / (1 + (^ (3435 / 298.15 - 3435 / (273.15 + @))))
# set temp2_hyst 40
# set temp2_over 45