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Add tests for BMP280 barometer
Also get rid of the curved quotes for normal quotes (") and make compensation computations static.
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3 changed files with 186 additions and 9 deletions
154
src/test/unit/baro_bmp280_unittest.cc
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154
src/test/unit/baro_bmp280_unittest.cc
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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 bmp280_calculate(int32_t *pressure, int32_t *temperature);
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extern uint32_t bmp280_up;
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extern uint32_t bmp280_ut;
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typedef struct bmp280_calib_param_t {
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uint16_t dig_T1; /* calibration T1 data */
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int16_t dig_T2; /* calibration T2 data */
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int16_t dig_T3; /* calibration T3 data */
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uint16_t dig_P1; /* calibration P1 data */
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int16_t dig_P2; /* calibration P2 data */
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int16_t dig_P3; /* calibration P3 data */
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int16_t dig_P4; /* calibration P4 data */
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int16_t dig_P5; /* calibration P5 data */
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int16_t dig_P6; /* calibration P6 data */
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int16_t dig_P7; /* calibration P7 data */
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int16_t dig_P8; /* calibration P8 data */
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int16_t dig_P9; /* calibration P9 data */
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int32_t t_fine; /* calibration t_fine data */
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} bmp280_calib_param_t;
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bmp280_calib_param_t bmp280_cal;
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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(baroBmp280Test, TestBmp280Calculate)
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{
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// given
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int32_t pressure, temperature;
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bmp280_up = 415148; // Digital pressure value
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bmp280_ut = 519888; // Digital temperature value
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// and
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bmp280_cal.dig_T1 = 27504;
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bmp280_cal.dig_T2 = 26435;
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bmp280_cal.dig_T3 = -1000;
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bmp280_cal.dig_P1 = 36477;
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bmp280_cal.dig_P2 = -10685;
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bmp280_cal.dig_P3 = 3024;
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bmp280_cal.dig_P4 = 2855;
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bmp280_cal.dig_P5 = 140;
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bmp280_cal.dig_P6 = -7;
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bmp280_cal.dig_P7 = 15500;
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bmp280_cal.dig_P8 = -14600;
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bmp280_cal.dig_P9 = 6000;
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// when
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bmp280_calculate(&pressure, &temperature);
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// then
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EXPECT_EQ(100653, pressure); // 100653 Pa
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EXPECT_EQ(2500, temperature); // 25.00 degC (data sheet says 25.08)
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}
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TEST(baroBmp280Test, TestBmp280CalculateHighP)
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{
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// given
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int32_t pressure, temperature;
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bmp280_up = 215148; // Digital pressure value
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bmp280_ut = 519888; // Digital temperature value
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// and
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bmp280_cal.dig_T1 = 27504;
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bmp280_cal.dig_T2 = 26435;
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bmp280_cal.dig_T3 = -1000;
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bmp280_cal.dig_P1 = 36477;
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bmp280_cal.dig_P2 = -10685;
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bmp280_cal.dig_P3 = 3024;
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bmp280_cal.dig_P4 = 2855;
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bmp280_cal.dig_P5 = 140;
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bmp280_cal.dig_P6 = -7;
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bmp280_cal.dig_P7 = 15500;
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bmp280_cal.dig_P8 = -14600;
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bmp280_cal.dig_P9 = 6000;
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// when
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bmp280_calculate(&pressure, &temperature);
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// then
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EXPECT_EQ(135382, pressure); // 135385 Pa
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EXPECT_EQ(2500, temperature); // 25.00 degC (data sheet says 25.08)
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}
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TEST(baroBmp280Test, TestBmp280CalculateZeroP)
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{
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// given
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int32_t pressure, temperature;
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bmp280_up = 415148; // Digital pressure value
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bmp280_ut = 519888; // Digital temperature value
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// and
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bmp280_cal.dig_T1 = 27504;
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bmp280_cal.dig_T2 = 26435;
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bmp280_cal.dig_T3 = -1000;
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bmp280_cal.dig_P1 = 0;
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bmp280_cal.dig_P2 = -10685;
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bmp280_cal.dig_P3 = 3024;
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bmp280_cal.dig_P4 = 2855;
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bmp280_cal.dig_P5 = 140;
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bmp280_cal.dig_P6 = -7;
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bmp280_cal.dig_P7 = 15500;
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bmp280_cal.dig_P8 = -14600;
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bmp280_cal.dig_P9 = 6000;
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// when
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bmp280_calculate(&pressure, &temperature);
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// then
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EXPECT_EQ(0, pressure); // P1=0 trips pressure to 0 Pa, avoiding division by zero
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EXPECT_EQ(2500, temperature); // 25.00 degC (data sheet says 25.08)
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}
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// STUBS
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extern "C" {
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void delay(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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