diff options
Diffstat (limited to 'services/sensorservice/tests')
| -rw-r--r-- | services/sensorservice/tests/sensorservicetest.cpp | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/services/sensorservice/tests/sensorservicetest.cpp b/services/sensorservice/tests/sensorservicetest.cpp index 42bf983..aea1062 100644 --- a/services/sensorservice/tests/sensorservicetest.cpp +++ b/services/sensorservice/tests/sensorservicetest.cpp @@ -27,15 +27,25 @@ int receiver(int fd, int events, void* data) sp<SensorEventQueue> q((SensorEventQueue*)data); ssize_t n; ASensorEvent buffer[8]; + + static nsecs_t oldTimeStamp = 0; + while ((n = q->read(buffer, 8)) > 0) { for (int i=0 ; i<n ; i++) { - if (buffer[i].type == Sensor::TYPE_ACCELEROMETER) { + if (buffer[i].type == Sensor::TYPE_GYROSCOPE) { printf("time=%lld, value=<%5.1f,%5.1f,%5.1f>\n", buffer[i].timestamp, buffer[i].acceleration.x, buffer[i].acceleration.y, buffer[i].acceleration.z); } + + if (oldTimeStamp) { + float t = float(buffer[i].timestamp - oldTimeStamp) / s2ns(1); + printf("%f ms (%f Hz)\n", t*1000, 1.0/t); + } + oldTimeStamp = buffer[i].timestamp; + } } if (n<0 && n != -EAGAIN) { @@ -56,7 +66,7 @@ int main(int argc, char** argv) sp<SensorEventQueue> q = mgr.createEventQueue(); printf("queue=%p\n", q.get()); - Sensor const* accelerometer = mgr.getDefaultSensor(Sensor::TYPE_ACCELEROMETER); + Sensor const* accelerometer = mgr.getDefaultSensor(Sensor::TYPE_GYROSCOPE); printf("accelerometer=%p (%s)\n", accelerometer, accelerometer->getName().string()); q->enableSensor(accelerometer); |