1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <general_test/basic_sensor_tests.h>
18 
19 #include <shared/send_message.h>
20 
21 using nanoapp_testing::sendFatalFailureToHost;
22 
23 namespace general_test {
24 
checkFloat(float value,float extremeLow,float extremeHigh)25 static void checkFloat(float value, float extremeLow, float extremeHigh) {
26   if ((value < extremeLow) || (value > extremeHigh)) {
27     uint32_t i = static_cast<uint32_t>(value);
28     sendFatalFailureToHost("Value beyond extreme.  As int:", &i);
29   }
30 }
31 
checkTimestampDelta(uint32_t delta,size_t index)32 static void checkTimestampDelta(uint32_t delta, size_t index) {
33   if (index == 0) {
34     // This delta is allowed (and expected, but not required) to be 0.
35     return;
36   }
37   if (delta == 0) {
38     uint32_t indexInt = static_cast<uint32_t>(index);
39     sendFatalFailureToHost("timestampDelta was 0 for reading index ",
40                            &indexInt);
41   }
42 }
43 
verifyThreeAxisData(const void * eventData,float extremeLow,float extremeHigh)44 static void verifyThreeAxisData(const void *eventData, float extremeLow,
45                                 float extremeHigh) {
46   auto data = static_cast<const chreSensorThreeAxisData *>(eventData);
47   for (size_t i = 0; i < data->header.readingCount; i++) {
48     checkTimestampDelta(data->readings[i].timestampDelta, i);
49     for (size_t j = 0; j < 3; j++) {
50       checkFloat(data->readings[i].values[j], extremeLow, extremeHigh);
51     }
52   }
53 }
54 
verifyFloatData(const void * eventData,float extremeLow,float extremeHigh)55 static void verifyFloatData(const void *eventData, float extremeLow,
56                             float extremeHigh) {
57   auto data = static_cast<const chreSensorFloatData *>(eventData);
58   for (size_t i = 0; i < data->header.readingCount; i++) {
59     checkTimestampDelta(data->readings[i].timestampDelta, i);
60     checkFloat(data->readings[i].value, extremeLow, extremeHigh);
61   }
62 }
63 
confirmDataIsSane(const void * eventData)64 void BasicAccelerometerTest::confirmDataIsSane(const void *eventData) {
65   constexpr float kExtreme = 70.5f;  // Apollo 16 on reentry (7.19g)
66   verifyThreeAxisData(eventData, -kExtreme, kExtreme);
67 }
68 
confirmDataIsSane(const void * eventData)69 void BasicInstantMotionDetectTest::confirmDataIsSane(const void *eventData) {
70   // Nothing to check.
71 }
72 
confirmDataIsSane(const void * eventData)73 void BasicStationaryDetectTest::confirmDataIsSane(const void *eventData) {
74   // Nothing to check.
75 }
76 
confirmDataIsSane(const void * eventData)77 void BasicGyroscopeTest::confirmDataIsSane(const void *eventData) {
78   constexpr float kExtreme = 9420.0f;  // Zippe centrifuge
79   verifyThreeAxisData(eventData, -kExtreme, kExtreme);
80 }
81 
confirmDataIsSane(const void * eventData)82 void BasicMagnetometerTest::confirmDataIsSane(const void *eventData) {
83   constexpr float kExtreme = 9400000.0f;  // Strength of medical MRI
84   verifyThreeAxisData(eventData, -kExtreme, kExtreme);
85 }
86 
confirmDataIsSane(const void * eventData)87 void BasicBarometerTest::confirmDataIsSane(const void *eventData) {
88   constexpr float kExtremeLow = 337.0f;    // Mount Everest summit
89   constexpr float kExtremeHigh = 1067.0f;  // Dead Sea
90   verifyFloatData(eventData, kExtremeLow, kExtremeHigh);
91 }
92 
confirmDataIsSane(const void * eventData)93 void BasicLightSensorTest::confirmDataIsSane(const void *eventData) {
94   constexpr float kExtreme = 300000.0f;  // 3x the Sun
95   verifyFloatData(eventData, 0.0f, kExtreme);
96 }
97 
confirmDataIsSane(const void * eventData)98 void BasicProximityTest::confirmDataIsSane(const void *eventData) {
99   auto data = static_cast<const chreSensorByteData *>(eventData);
100   for (size_t i = 0; i < data->header.readingCount; i++) {
101     checkTimestampDelta(data->readings[i].timestampDelta, i);
102     // 'invalid' is a sane reading for v1.1 or lower.  But our padding should
103     // always be zero'd.
104     if (mApiVersion >= CHRE_API_VERSION_1_2 && data->readings[i].invalid) {
105       sendFatalFailureToHost("Invalid flag must not be set for proximity");
106     }
107     if (data->readings[i].padding0 != 0) {
108       uint32_t padding = data->readings[i].padding0;
109       sendFatalFailureToHost("padding0 is data is non-zero:", &padding);
110     }
111   }
112 }
113 
114 }  // namespace general_test
115