Unit tests for BMP085
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@ -106,10 +106,10 @@ typedef struct {
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#define SMD500_PARAM_MH -7357 //calibration parameter
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#define SMD500_PARAM_MI 3791 //calibration parameter
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static bmp085_t bmp085;
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STATIC_UNIT_TESTED bmp085_t bmp085;
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static bool bmp085InitDone = false;
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static uint16_t bmp085_ut; // static result of temperature measurement
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static uint32_t bmp085_up; // static result of pressure measurement
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STATIC_UNIT_TESTED uint16_t bmp085_ut; // static result of temperature measurement
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STATIC_UNIT_TESTED uint32_t bmp085_up; // static result of pressure measurement
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static void bmp085_get_cal_param(void);
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static void bmp085_start_ut(void);
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@ -118,7 +118,7 @@ static void bmp085_start_up(void);
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static void bmp085_get_up(void);
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static int32_t bmp085_get_temperature(uint32_t ut);
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static int32_t bmp085_get_pressure(uint32_t up);
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static void bmp085_calculate(int32_t *pressure, int32_t *temperature);
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STATIC_UNIT_TESTED void bmp085_calculate(int32_t *pressure, int32_t *temperature);
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#ifdef BARO_XCLR_PIN
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#define BMP085_OFF digitalLo(BARO_XCLR_GPIO, BARO_XCLR_PIN);
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@ -337,9 +337,10 @@ static void bmp085_get_up(void)
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>> (8 - bmp085.oversampling_setting);
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}
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static void bmp085_calculate(int32_t *pressure, int32_t *temperature)
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STATIC_UNIT_TESTED void bmp085_calculate(int32_t *pressure, int32_t *temperature)
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{
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int32_t temp, press;
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temp = bmp085_get_temperature(bmp085_ut);
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press = bmp085_get_pressure(bmp085_up);
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if (pressure)
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@ -27,3 +27,7 @@ typedef struct bmp085Config_s {
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bool bmp085Detect(const bmp085Config_t *config, baro_t *baro);
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void bmp085Disable(const bmp085Config_t *config);
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#ifdef UNIT_TEST
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void RCC_APB2PeriphClockCmd(uint32_t RCC_APB2Periph, FunctionalState NewState);
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#endif
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@ -59,7 +59,8 @@ TESTS = \
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encoding_unittest \
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io_serial_unittest \
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lowpass_unittest \
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baro_unittest
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baro_unittest \
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baro_bmp085_unittest
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# All Google Test headers. Usually you shouldn't change this
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# definition.
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@ -487,6 +488,29 @@ baro_unittest : \
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$(CXX) $(CXX_FLAGS) $^ -o $(OBJECT_DIR)/$@
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$(OBJECT_DIR)/drivers/barometer_bmp085.o : \
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$(USER_DIR)/drivers/barometer_bmp085.c \
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$(USER_DIR)/drivers/barometer_bmp085.h \
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$(GTEST_HEADERS)
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@mkdir -p $(dir $@)
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$(CC) $(C_FLAGS) $(TEST_CFLAGS) -c $(USER_DIR)/drivers/barometer_bmp085.c -o $@
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$(OBJECT_DIR)/baro_bmp085_unittest.o : \
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$(TEST_DIR)/baro_bmp085_unittest.cc \
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$(USER_DIR)/drivers/barometer_bmp085.h \
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$(GTEST_HEADERS)
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@mkdir -p $(dir $@)
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$(CXX) $(CXX_FLAGS) $(TEST_CFLAGS) -c $(TEST_DIR)/baro_bmp085_unittest.cc -o $@
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baro_bmp085_unittest : \
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$(OBJECT_DIR)/drivers/barometer_bmp085.o \
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$(OBJECT_DIR)/baro_bmp085_unittest.o \
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$(OBJECT_DIR)/gtest_main.a
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$(CXX) $(CXX_FLAGS) $^ -o $(OBJECT_DIR)/$@
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test: $(TESTS)
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set -e && for test in $(TESTS) ; do \
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$(OBJECT_DIR)/$$test; \
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@ -0,0 +1,196 @@
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/*
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* This file is part of Cleanflight.
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*
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* Cleanflight is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Cleanflight is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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extern "C" {
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void bmp085_calculate(int32_t *pressure, int32_t *temperature);
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extern uint32_t bmp085_up;
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extern uint16_t bmp085_ut;
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typedef struct {
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int16_t ac1;
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int16_t ac2;
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int16_t ac3;
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uint16_t ac4;
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uint16_t ac5;
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uint16_t ac6;
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int16_t b1;
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int16_t b2;
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int16_t mb;
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int16_t mc;
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int16_t md;
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} bmp085_smd500_calibration_param_t;
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typedef struct {
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bmp085_smd500_calibration_param_t cal_param;
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uint8_t mode;
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uint8_t chip_id, ml_version, al_version;
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uint8_t dev_addr;
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int32_t param_b5;
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int16_t oversampling_setting;
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} bmp085_t;
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bmp085_t bmp085;
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}
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#include "unittest_macros.h"
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#include "gtest/gtest.h"
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TEST(baroBmp085Test, TestBmp085CalculateOss0)
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{
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// given
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int32_t pressure, temperature;
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bmp085_up = 23843; // Digital pressure value
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bmp085_ut = 27898; // Digital temperature value
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// and
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bmp085.cal_param.ac1 = 408;
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bmp085.cal_param.ac2 = -72;
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bmp085.cal_param.ac3 = -14383;
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bmp085.cal_param.ac4 = 32741;
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bmp085.cal_param.ac5 = 32757;
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bmp085.cal_param.ac6 = 23153;
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bmp085.cal_param.b1 = 6190;
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bmp085.cal_param.b2 = 4;
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bmp085.cal_param.mb = -32767;
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bmp085.cal_param.mc = -8711;
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bmp085.cal_param.md = 2868;
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bmp085.oversampling_setting = 0;
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// when
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bmp085_calculate(&pressure, &temperature);
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// then
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EXPECT_EQ(69964, pressure); // Datasheet says 69965
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EXPECT_EQ(1500, temperature);
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}
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TEST(baroBmp085Test, TestBmp085CalculateOss3)
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{
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// given
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int32_t pressure, temperature;
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bmp085_up = 271097; // Digital pressure value
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bmp085_ut = 27898; // Digital temperature value
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// and
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bmp085.cal_param.ac1 = 408;
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bmp085.cal_param.ac2 = -72;
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bmp085.cal_param.ac3 = -14383;
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bmp085.cal_param.ac4 = 32741;
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bmp085.cal_param.ac5 = 32757;
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bmp085.cal_param.ac6 = 23153;
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bmp085.cal_param.b1 = 6190;
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bmp085.cal_param.b2 = 4;
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bmp085.cal_param.mb = -32767;
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bmp085.cal_param.mc = -8711;
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bmp085.cal_param.md = 2868;
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bmp085.oversampling_setting = 3;
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// when
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bmp085_calculate(&pressure, &temperature);
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// then
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EXPECT_EQ(99998, pressure);
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EXPECT_EQ(1500, temperature);
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}
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TEST(baroBmp085Test, TestBmp085CalculateOss3Cold)
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{
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// given
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int32_t pressure, temperature;
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bmp085_up = 271097; // Digital pressure value
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bmp085_ut = 24342; // Digital temperature value 24342 = -20degC 27898 = 15degC
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// and
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bmp085.cal_param.ac1 = 408;
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bmp085.cal_param.ac2 = -72;
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bmp085.cal_param.ac3 = -14383;
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bmp085.cal_param.ac4 = 32741;
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bmp085.cal_param.ac5 = 32757;
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bmp085.cal_param.ac6 = 23153;
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bmp085.cal_param.b1 = 6190;
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bmp085.cal_param.b2 = 4;
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bmp085.cal_param.mb = -32767;
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bmp085.cal_param.mc = -8711;
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bmp085.cal_param.md = 2868;
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bmp085.oversampling_setting = 3;
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// when
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bmp085_calculate(&pressure, &temperature);
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// then
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EXPECT_EQ(92251, pressure);
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EXPECT_EQ(-2006, temperature); // -20.06 degC
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}
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TEST(baroBmp085Test, TestBmp085CalculateOss3Hot)
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{
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// given
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int32_t pressure, temperature;
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bmp085_up = 271097; // Digital pressure value
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bmp085_ut = 33315; // Digital temperature value
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// and
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bmp085.cal_param.ac1 = 408;
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bmp085.cal_param.ac2 = -72;
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bmp085.cal_param.ac3 = -14383;
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bmp085.cal_param.ac4 = 32741;
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bmp085.cal_param.ac5 = 32757;
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bmp085.cal_param.ac6 = 23153;
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bmp085.cal_param.b1 = 6190;
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bmp085.cal_param.b2 = 4;
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bmp085.cal_param.mb = -32767;
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bmp085.cal_param.mc = -8711;
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bmp085.cal_param.md = 2868;
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bmp085.oversampling_setting = 3;
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// when
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bmp085_calculate(&pressure, &temperature);
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// then
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EXPECT_EQ(108922, pressure);
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EXPECT_EQ(5493, temperature); // 54.93 degC
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}
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// STUBS
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extern "C" {
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void gpioInit(){}
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void RCC_APB2PeriphClockCmd(){}
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void delay(uint32_t) {}
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void delayMicroseconds(uint32_t) {}
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bool i2cWrite(uint8_t, uint8_t, uint8_t) {
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return 1;
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}
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bool i2cRead(uint8_t, uint8_t, uint8_t, uint8_t) {
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return 1;
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}
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}
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@ -31,6 +31,7 @@
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typedef enum
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{
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Mode_TEST = 0x0,
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Mode_Out_PP = 0x10,
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} GPIO_Mode;
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typedef struct
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