nanotool: Add support for compressed mag samples am: 9301a0b25e am: 4f15b214b8
am: a2294ba6ac
Change-Id: Ib002699cd5521d81d51650c7f3d0ea1362b41763
diff --git a/util/nanotool/contexthub.cpp b/util/nanotool/contexthub.cpp
index 7a3df87..e240d55 100644
--- a/util/nanotool/contexthub.cpp
+++ b/util/nanotool/contexthub.cpp
@@ -83,6 +83,7 @@
static const SensorTypeAlias sensor_aliases_[] = {
{ SensorType::Accel, SensorType::CompressedAccel, "compressed_accel" },
+ { SensorType::Magnetometer, SensorType::CompressedMag, "compressed_mag" },
};
bool SensorTypeIsAliasOf(SensorType sensor_type, SensorType alias) {
diff --git a/util/nanotool/contexthub.h b/util/nanotool/contexthub.h
index 8dfce26..582dacb 100644
--- a/util/nanotool/contexthub.h
+++ b/util/nanotool/contexthub.h
@@ -70,6 +70,7 @@
Vsync,
CompressedAccel,
WristTilt = 39,
+ CompressedMag = 59,
Humidity = 61,
Max_
diff --git a/util/nanotool/sensorevent.cpp b/util/nanotool/sensorevent.cpp
index 5f09505..2f84fa7 100644
--- a/util/nanotool/sensorevent.cpp
+++ b/util/nanotool/sensorevent.cpp
@@ -24,7 +24,9 @@
namespace android {
-constexpr float kCompressedSampleRatio(8.0f * 9.81f / 32768.0f);
+constexpr float kCompressedAccelSampleRatio(8.0f * 9.81f / 32768.0f);
+constexpr float kCompressedMagSampleRatio(0.15f); //For AK09915
+//constexpr float kCompressedMagSampleRatio(0.0625f); //For BMM150
/* SensorEvent ****************************************************************/
@@ -81,6 +83,7 @@
break;
case SensorType::CompressedAccel:
+ case SensorType::CompressedMag:
sensor_event = new CompressedTripleAxisSensorEvent();
break;
@@ -259,6 +262,7 @@
std::string CompressedTripleAxisSensorEvent::StringForSample(
uint8_t index) const {
+ float compressedSampleRatio;
const CompressedTripleAxisDataPoint *sample =
reinterpret_cast<const CompressedTripleAxisDataPoint *>(
GetSampleAtIndex(index));
@@ -269,9 +273,22 @@
bool is_bias_sample = first_sample->biasPresent
&& first_sample->biasSample == index;
- float x = sample->ix * kCompressedSampleRatio;
- float y = sample->iy * kCompressedSampleRatio;
- float z = sample->iz * kCompressedSampleRatio;
+ switch(GetSensorType())
+ {
+ case SensorType::CompressedAccel:
+ compressedSampleRatio = kCompressedAccelSampleRatio;
+ break;
+ case SensorType::CompressedMag:
+ compressedSampleRatio = kCompressedMagSampleRatio;
+ break;
+ default:
+ LOGW("Unsupported compressed sensor type");
+ compressedSampleRatio = 1.0;
+ }
+
+ float x = sample->ix * compressedSampleRatio;
+ float y = sample->iy * compressedSampleRatio;
+ float z = sample->iz * compressedSampleRatio;
char buffer[128];
snprintf(buffer, sizeof(buffer), " X:%f Y:%f Z:%f @ %s%s\n",