src/test/unit/baro_bmp388_unittest.cc

   1 /*
   2  * This file is part of Cleanflight.
   3  *
   4  * Cleanflight is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * Cleanflight is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 #include <stdint.h>
  18
  19 extern "C" {
  20
  21 #include "platform.h"
  22 #include "target.h"
  23 #include "drivers/barometer/barometer.h"
  24 #include "drivers/bus.h"
  25
  26 void bmp388Calculate(int32_t *pressure, int32_t *temperature);
  27
  28 extern uint32_t bmp388_up;
  29 extern uint32_t bmp388_ut;
  30 extern int64_t t_lin; // when temperature is calculated this is updated, the result is used in the pressure calculations
  31
  32 typedef struct bmp388_calib_param_s {
  33     uint16_t T1;
  34     uint16_t T2;
  35     int8_t T3;
  36     int16_t P1;
  37     int16_t P2;
  38     int8_t P3;
  39     int8_t P4;
  40     uint16_t P5;
  41     uint16_t P6;
  42     int8_t P7;
  43     int8_t P8;
  44     int16_t P9;
  45     int8_t P10;
  46     int8_t P11;
  47 } __attribute__((packed)) bmp388_calib_param_t; // packed as we read directly from the device into this structure.
  48
  49 bmp388_calib_param_t bmp388_cal;
  50
  51 } // extern "C"
  52
  53
  54 #include "unittest_macros.h"
  55 #include "gtest/gtest.h"
  56
  57 void baroBmp388ConfigureZeroCalibration(void)
  58 {
  59     bmp388_cal = {
  60         .T1 = 0,
  61         .T2 = 0,
  62         .T3 = 0,
  63         .P1 = 0,
  64         .P2 = 0,
  65         .P3 = 0,
  66         .P4 = 0,
  67         .P5 = 0,
  68         .P6 = 0,
  69         .P7 = 0,
  70         .P8 = 0,
  71         .P9 = 0,
  72         .P10 = 0,
  73         .P11 = 0
  74     };
  75 }
  76
  77 void baroBmp388ConfigureSampleCalibration(void)
  78 {
  79     bmp388_cal = {
  80         .T1 = 27772,
  81         .T2 = 18638,
  82         .T3 = -10,
  83         .P1 = 878,
  84         .P2 = -2023,
  85         .P3 = 35,
  86         .P4 = 0,
  87         .P5 = 24476,
  88         .P6 = 30501,
  89         .P7 = -13,
  90         .P8 = -10,
  91         .P9 = 16545,
  92         .P10 = 21,
  93         .P11 = -60
  94     };
  95 }
  96
  97 TEST(baroBmp388Test, TestBmp388CalculateWithZeroCalibration)
  98 {
  99     // given
 100     int32_t pressure, temperature;
 101     bmp388_up = 0; // uncompensated pressure value
 102     bmp388_ut = 0; // uncompensated temperature value
 103     t_lin = 0;
 104
 105     // and
 106     baroBmp388ConfigureZeroCalibration();
 107
 108     // when
 109     bmp388Calculate(&pressure, &temperature);
 110
 111     // then
 112     EXPECT_EQ(0, temperature);
 113     EXPECT_EQ(0, t_lin);
 114
 115     // and
 116     EXPECT_EQ(0, pressure);
 117 }
 118
 119 TEST(baroBmp388Test, TestBmp388CalculateWithSampleCalibration)
 120 {
 121     // given
 122     int32_t pressure, temperature;
 123     bmp388_up = 7323488; // uncompensated pressure value
 124     bmp388_ut = 9937920; // uncompensated temperature value
 125     t_lin = 0;
 126
 127     // and
 128     baroBmp388ConfigureSampleCalibration();
 129
 130     // when
 131     bmp388Calculate(&pressure, &temperature);
 132
 133     // then
 134     EXPECT_EQ(4880, temperature); // 48.80 degrees C
 135     EXPECT_NE(0, t_lin);
 136
 137     // and
 138     EXPECT_EQ(39535, pressure); // 39535 Pa
 139 }
 140
 141 // STUBS
 142
 143 extern "C" {
 144
 145 void delay() {}
 146
 147 bool busBusy(const extDevice_t*, bool*) {return false;}
 148 bool busReadRegisterBuffer(const extDevice_t*, uint8_t, uint8_t*, uint8_t) {return true;}
 149 bool busReadRegisterBufferStart(const extDevice_t*, uint8_t, uint8_t*, uint8_t) {return true;}
 150 bool busWriteRegister(const extDevice_t*, uint8_t, uint8_t) {return true;}
 151 bool busWriteRegisterStart(const extDevice_t*, uint8_t, uint8_t) {return true;}
 152 void busDeviceRegister(const extDevice_t*) {}
 153
 154 uint16_t spiCalculateDivider() {
 155     return 2;
 156 }
 157
 158 void spiSetClkDivisor() {
 159 }
 160
 161 void spiPreinitByIO(IO_t) {
 162 }
 163
 164 void IOConfigGPIO() {
 165 }
 166
 167 void IOHi() {
 168 }
 169
 170 IO_t IOGetByTag(ioTag_t) {
 171     return IO_NONE;
 172 }
 173
 174 void IOInit() {
 175 }
 176
 177 void EXTIHandlerInit(extiCallbackRec_t *, extiHandlerCallback *) {
 178 }
 179
 180 void EXTIConfig(IO_t, extiCallbackRec_t *, int, ioConfig_t, extiTrigger_t) {
 181 }
 182
 183 void EXTIEnable(IO_t, bool) {
 184 }
 185
 186
 187 } // extern "C"