mirror of https://github.com/rusefi/rusefi-1.git
56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
/*
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* @author Matthew Kennedy, (c) 2019
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*/
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#include "pch.h"
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#include "thermistor_func.h"
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TEST(thermistor, Thermistor1) {
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ThermistorFunc tf;
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thermistor_conf_s tc = {32, 75, 120, 9500, 2100, 1000, 0};
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tf.configure(tc);
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SensorResult t = tf.convert(2100);
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ASSERT_TRUE(t.Valid);
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ASSERT_FLOAT_EQ(75, t.Value);
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ASSERT_NEAR(-0.003, tf.m_a, EPS4D);
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ASSERT_NEAR(0.001, tf.m_b, EPS4D);
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ASSERT_NEAR(0.0, tf.m_c, EPS5D);
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}
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TEST(thermistor, ThermistorNeon) {
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ThermistorFunc tf;
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// 2003 Neon sensor
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thermistor_conf_s tc = {0, 30, 100, 32500, 7550, 700, 0};
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tf.configure(tc);
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SensorResult t = tf.convert(38000);
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ASSERT_TRUE(t.Valid);
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ASSERT_NEAR(-2.7983, t.Value, EPS4D);
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assertEqualsM("A", 0.0009, tf.m_a);
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assertEqualsM("B", 0.0003, tf.m_b);
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ASSERT_NEAR(0.0, tf.m_c, EPS4D);
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}
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TEST(thermistor, PtcAirCooledMotorcycle) {
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// data from https://static.chipdip.ru/lib/033/DOC001033132.pdf
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thermistor_conf_s tc = {0, 100, 200, 486, 975, 1679, 0};
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ThermistorFunc tf;
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tf.configure(tc);
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// calibrated points should be almost perfect
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ASSERT_NEAR(tf.convert(486).value_or(0), 0, 0.1);
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ASSERT_NEAR(tf.convert(975).value_or(0), 100, 0.1);
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ASSERT_NEAR(tf.convert(1679).value_or(0), 200, 0.1);
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// Other points should be pretty good
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ASSERT_NEAR(tf.convert(414).value_or(0), -20, 2);
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ASSERT_NEAR(tf.convert(704).value_or(0), 50, 2);
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ASSERT_NEAR(tf.convert(1300).value_or(0), 150, 2);
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ASSERT_NEAR(tf.convert(1846).value_or(0), 220, 2);
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}
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