@Override
public void onUEvent(UEventObserver.UEvent event) {
String sensorName;
int sensorTemp, errorVal, eventType = -1;
ThermalZone zone;
if (mThermalSensors == null) return;
// Name of the sensor and current temperature are mandatory parameters of an UEvent
sensorName = event.get("NAME");
sensorTemp = Integer.parseInt(event.get("TEMP"));
// eventType is an optional parameter. so, check for null case
if (event.get("EVENT") != null) eventType = Integer.parseInt(event.get("EVENT"));
if (sensorName != null) {
Log.i(TAG, "UEvent received for sensor:" + sensorName + " temp:" + sensorTemp);
// check the name against the first sensor
ThermalSensor sensor = mThermalSensors.get(0);
if (sensor != null
&& sensor.getSensorName() != null
&& sensor.getSensorName().equalsIgnoreCase(sensorName)) {
// Adjust the sensor temperature based on the 'error correction' temperature.
// For 'LOW' event, debounce interval will take care of this.
errorVal = sensor.getErrorCorrectionTemp();
if (eventType == ThermalManager.THERMAL_HIGH_EVENT) sensorTemp += errorVal;
if (isZoneStateChanged(sensor, sensorTemp)) {
sendThermalEvent();
// reprogram threshold
programThresholds(sensor);
}
}
}
}
public void programThresholds(ThermalSensor s) {
if (s == null) return;
int zoneState = getZoneState();
if (zoneState == ThermalManager.THERMAL_STATE_OFF) return;
int lowerTripPoint = ThermalUtils.getLowerThresholdTemp(zoneState, getZoneTempThreshold());
int upperTripPoint = ThermalUtils.getUpperThresholdTemp(zoneState, getZoneTempThreshold());
if (lowerTripPoint != ThermalManager.INVALID_TEMP
&& upperTripPoint != ThermalManager.INVALID_TEMP) {
if (ThermalUtils.writeSysfs(s.getSensorLowTempPath(), lowerTripPoint) == -1) {
Log.i(
TAG,
"error while programming lower trip point:"
+ lowerTripPoint
+ "for sensor:"
+ s.getSensorName());
}
if (ThermalUtils.writeSysfs(s.getSensorHighTempPath(), upperTripPoint) == -1) {
Log.i(
TAG,
"error while programming upper trip point:"
+ upperTripPoint
+ "for sensor:"
+ s.getSensorName());
}
}
}
/**
* Function that calculates the state of the Thermal Zone after reading temperatures of all
* sensors in the zone. This function is used when a zone operates in polling mode.
*/
public boolean isZoneStateChanged() {
for (ThermalSensor ts : mThermalSensors) {
if (ts.getSensorActiveStatus()) {
ts.updateSensorTemp();
}
}
return updateZoneParams();
}
private void printSensors() {
if (mThermalSensors == null) return;
StringBuilder s = new StringBuilder();
for (ThermalSensor ts : mThermalSensors) {
if (ts != null) {
s.append(ts.getSensorName());
s.append(",");
}
}
Log.i(TAG, "zoneID: " + mZoneID + " sensors mapped:" + s.toString());
}
public void registerUevent() {
int indx;
if (mThermalSensors == null) return;
if (mThermalSensors.size() > 1) {
Log.i(TAG, "for zone:" + getZoneName() + " in uevent mode only first sensor used!");
}
ThermalSensor sensor = mThermalSensors.get(0);
if (sensor == null) return;
String path = sensor.getUEventDevPath();
if (path.equalsIgnoreCase("invalid")) return;
// first time update of sensor temp and zone temp
sensor.updateSensorTemp();
setZoneTemp(sensor.getCurrTemp());
if (updateZoneParams()) {
// first intent after initialization
sendThermalEvent();
}
mUEventObserver.startObserving(path);
programThresholds(sensor);
}
@Override
public void onResume() {
super.onResume();
OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_3, this, mLoaderCallback);
for (int i = 0; i < 480; i++) {
for (int j = 0; j < 640; j++) {
data[i][j] = (float) -5000.0;
}
}
if (mThermal.start(this)) {
hasThermal = true;
} else {
hasThermal = false;
}
}
public Mat onCameraFrame(Mat inputFrame) {
if (takeScanBase) {
if (scanBase != null) {
scanBase.release();
}
scanBase = new Mat();
scanningMat = new Mat();
Imgproc.cvtColor(inputFrame, scanBase, Imgproc.COLOR_RGB2GRAY);
Imgproc.cvtColor(scanBase, scanningMat, Imgproc.COLOR_GRAY2RGB);
scanBase.release();
hasScanBase = true;
takeScanBase = false;
}
if (hasScanBase) {
Mat ret;
Point p = findLaser(inputFrame);
inputFrame.release();
if (p != null) {
if (hasThermal) {
double temp = mThermal.read();
data[(int) p.y][(int) p.x] = (float) temp;
Core.circle(scanningMat, p, 3, new Scalar(255, 0, 0), -3);
} else {
// Log.v(TAG, "No thermal!");
}
}
return scanningMat;
} else return inputFrame;
}
@Override
public void onPause() {
if (hasThermal) mThermal.stop();
if (mOpenCvCameraView != null) mOpenCvCameraView.disableView();
super.onPause();
}
/**
* Function that calculates the state of the Thermal Zone after reading temperatures of all
* sensors in the zone. This is an overloaded function used when a zone supports UEvent
* notifications from kernel. When a sensor sends an UEvent, it also sends its current temperature
* as a parameter of the UEvent.
*/
public boolean isZoneStateChanged(ThermalSensor s, int temp) {
if (s == null) return false;
s.setCurrTemp(temp);
setZoneTemp(temp);
return updateZoneParams();
}
public void computeZoneActiveStatus() {
// init again. needed because of a profile change
mIsZoneActive = false;
if (mSupportsUEvent) {
// Zone de-activated when any threshold for that zone is
// above the allowed Max threshold.
if (mMaxThreshExceeded == true) {
Log.i(
TAG,
"deactivate zone:" + mZoneName + ". Zone Threshold exceeds max trip temp:" + mTripMax);
mIsZoneActive = false;
return;
}
}
if (mZoneTempThresholds == null) {
Log.i(TAG, "deactivate zone:" + getZoneName() + " threshold list is NULL! ");
mIsZoneActive = false;
return;
}
// 1. minimum number of states supported must be DEFAULT NUM STATES
// 2. if sensor list null disable zone
if (mMaxStates < ThermalManager.DEFAULT_NUM_ZONE_STATES) {
// substract by 1 since TOFF is transparent to USER
int minStateSupport = ThermalManager.DEFAULT_NUM_ZONE_STATES - 1;
Log.i(TAG, "deactivate zone:" + getZoneName() + " supports < " + minStateSupport + " states");
mIsZoneActive = false;
return;
}
if (mThermalSensors == null) {
Log.i(TAG, "deactivate zone:" + getZoneName() + " sensor list null! ");
mIsZoneActive = false;
return;
}
if (mSupportsUEvent) {
// if uevent just check the first sensor
ThermalSensor s = mThermalSensors.get(0);
if (s != null && s.getSensorActiveStatus()) {
mIsZoneActive = true;
return;
}
} else {
if (mPollDelay == null) {
Log.i(TAG, "deactivate zone:" + getZoneName() + " polldelay list null in poll mode! ");
mIsZoneActive = false;
return;
}
if (mZoneTempThresholds.length != mPollDelay.length) {
Log.i(
TAG,
"deactivate zone:"
+ getZoneName()
+ " mismatch of polldelay and threshold list in polling mode!");
mIsZoneActive = false;
return;
}
for (ThermalSensor ts : mThermalSensors) {
if (ts != null && ts.getSensorActiveStatus()) {
mIsZoneActive = true;
return;
}
}
}
}
