diff --git a/app/src/main/java/info/nightscout/android/medtronic/service/MedtronicCnlIntentService.java b/app/src/main/java/info/nightscout/android/medtronic/service/MedtronicCnlIntentService.java
index 9b46b76a7c1261f278ce403d497c7495e08c24da..e897ef8fb36da16a096f1e38f41a47c6e76ba823 100644
--- a/app/src/main/java/info/nightscout/android/medtronic/service/MedtronicCnlIntentService.java
+++ b/app/src/main/java/info/nightscout/android/medtronic/service/MedtronicCnlIntentService.java
@@ -104,152 +104,148 @@ public class MedtronicCnlIntentService extends IntentService {
protected void onHandleIntent(Intent intent) {
Log.d(TAG, "onHandleIntent called");
+ try {
- long timePollStarted = System.currentTimeMillis(),
- timePollExpected = timePollStarted,
- timeLastGoodSGV = dataStore.getLastPumpStatus().getEventDate().getTime();
+ long timePollStarted = System.currentTimeMillis(),
+ timePollExpected = timePollStarted,
+ timeLastGoodSGV = dataStore.getLastPumpStatus().getEventDate().getTime();
- short pumpBatteryLevel = dataStore.getLastPumpStatus().getBatteryPercentage();
+ short pumpBatteryLevel = dataStore.getLastPumpStatus().getBatteryPercentage();
- if (timeLastGoodSGV != 0) {
- timePollExpected = timeLastGoodSGV + POLL_PERIOD_MS + POLL_GRACE_PERIOD_MS + (POLL_PERIOD_MS * ((timePollStarted - 1000L - (timeLastGoodSGV + POLL_GRACE_PERIOD_MS)) / POLL_PERIOD_MS));
- }
+ if (timeLastGoodSGV != 0) {
+ timePollExpected = timeLastGoodSGV + POLL_PERIOD_MS + POLL_GRACE_PERIOD_MS + (POLL_PERIOD_MS * ((timePollStarted - 1000L - (timeLastGoodSGV + POLL_GRACE_PERIOD_MS)) / POLL_PERIOD_MS));
+ }
- // avoid polling when too close to sensor-pump comms
- if (((timePollExpected - timePollStarted) > 5000L) && ((timePollExpected - timePollStarted) < (POLL_GRACE_PERIOD_MS + 45000L))) {
- sendStatus("Please wait: Poll due in " + ((timePollExpected - timePollStarted) / 1000L) + " seconds");
- MedtronicCnlAlarmManager.setAlarm(timePollExpected);
- MedtronicCnlAlarmReceiver.completeWakefulIntent(intent);
- return;
- }
+ // avoid polling when too close to sensor-pump comms
+ if (((timePollExpected - timePollStarted) > 5000L) && ((timePollExpected - timePollStarted) < (POLL_GRACE_PERIOD_MS + 45000L))) {
+ sendStatus("Please wait: Poll due in " + ((timePollExpected - timePollStarted) / 1000L) + " seconds");
+ MedtronicCnlAlarmManager.setAlarm(timePollExpected);
+ return;
+ }
- long pollInterval = configurationStore.getPollInterval();
- if ((pumpBatteryLevel > 0) && (pumpBatteryLevel <= 25)) {
- pollInterval = configurationStore.getLowBatteryPollInterval();
- }
+ long pollInterval = configurationStore.getPollInterval();
+ if ((pumpBatteryLevel > 0) && (pumpBatteryLevel <= 25)) {
+ pollInterval = configurationStore.getLowBatteryPollInterval();
+ }
- if (!hasUsbHostFeature()) {
- sendStatus("It appears that this device doesn't support USB OTG.");
- Log.e(TAG, "Device does not support USB OTG");
- MedtronicCnlAlarmReceiver.completeWakefulIntent(intent);
- // TODO - throw, don't return
- return;
- }
+ if (!hasUsbHostFeature()) {
+ sendStatus("It appears that this device doesn't support USB OTG.");
+ Log.e(TAG, "Device does not support USB OTG");
+ // TODO - throw, don't return
+ return;
+ }
- UsbDevice cnlStick = UsbHidDriver.getUsbDevice(mUsbManager, USB_VID, USB_PID);
- if (cnlStick == null) {
- sendStatus("USB connection error. Is the Contour Next Link plugged in?");
- Log.w(TAG, "USB connection error. Is the CNL plugged in?");
+ UsbDevice cnlStick = UsbHidDriver.getUsbDevice(mUsbManager, USB_VID, USB_PID);
+ if (cnlStick == null) {
+ sendStatus("USB connection error. Is the Contour Next Link plugged in?");
+ Log.w(TAG, "USB connection error. Is the CNL plugged in?");
- // TODO - set status if offline or Nightscout not reachable
- uploadToNightscout();
- MedtronicCnlAlarmReceiver.completeWakefulIntent(intent);
- // TODO - throw, don't return
- return;
- }
+ // TODO - set status if offline or Nightscout not reachable
+ uploadToNightscout();
+ // TODO - throw, don't return
+ return;
+ }
- if (!mUsbManager.hasPermission(UsbHidDriver.getUsbDevice(mUsbManager, USB_VID, USB_PID))) {
- sendMessage(Constants.ACTION_NO_USB_PERMISSION);
- MedtronicCnlAlarmReceiver.completeWakefulIntent(intent);
- // TODO - throw, don't return
- return;
- }
- mHidDevice = UsbHidDriver.acquire(mUsbManager, cnlStick);
+ if (!mUsbManager.hasPermission(UsbHidDriver.getUsbDevice(mUsbManager, USB_VID, USB_PID))) {
+ sendMessage(Constants.ACTION_NO_USB_PERMISSION);
+ // TODO - throw, don't return
+ return;
+ }
+ mHidDevice = UsbHidDriver.acquire(mUsbManager, cnlStick);
- try {
- mHidDevice.open();
- } catch (Exception e) {
- Log.e(TAG, "Unable to open serial device", e);
- MedtronicCnlAlarmReceiver.completeWakefulIntent(intent);
- // TODO - throw, don't return
- return;
- }
+ try {
+ mHidDevice.open();
+ } catch (Exception e) {
+ Log.e(TAG, "Unable to open serial device", e);
+ // TODO - throw, don't return
+ return;
+ }
- DateFormat df = new SimpleDateFormat("HH:mm:ss", Locale.US);
+ DateFormat df = new SimpleDateFormat("HH:mm:ss", Locale.US);
- MedtronicCnlReader cnlReader = new MedtronicCnlReader(mHidDevice);
+ MedtronicCnlReader cnlReader = new MedtronicCnlReader(mHidDevice);
- Realm realm = Realm.getDefaultInstance();
- realm.beginTransaction();
+ Realm realm = Realm.getDefaultInstance();
+ realm.beginTransaction();
- try {
- sendStatus("Connecting to Contour Next Link");
- Log.d(TAG, "Connecting to Contour Next Link");
- cnlReader.requestDeviceInfo();
-
- // Is the device already configured?
- ContourNextLinkInfo info = realm
- .where(ContourNextLinkInfo.class)
- .equalTo("serialNumber", cnlReader.getStickSerial())
- .findFirst();
-
- if (info == null) {
- info = realm.createObject(ContourNextLinkInfo.class, cnlReader.getStickSerial());
- }
+ try {
+ sendStatus("Connecting to Contour Next Link");
+ Log.d(TAG, "Connecting to Contour Next Link");
+ cnlReader.requestDeviceInfo();
+
+ // Is the device already configured?
+ ContourNextLinkInfo info = realm
+ .where(ContourNextLinkInfo.class)
+ .equalTo("serialNumber", cnlReader.getStickSerial())
+ .findFirst();
- cnlReader.getPumpSession().setStickSerial(info.getSerialNumber());
+ if (info == null) {
+ info = realm.createObject(ContourNextLinkInfo.class, cnlReader.getStickSerial());
+ }
- cnlReader.enterControlMode();
+ cnlReader.getPumpSession().setStickSerial(info.getSerialNumber());
- try {
- cnlReader.enterPassthroughMode();
- cnlReader.openConnection();
+ cnlReader.enterControlMode();
- cnlReader.requestReadInfo();
+ try {
+ cnlReader.enterPassthroughMode();
+ cnlReader.openConnection();
- String key = info.getKey();
+ cnlReader.requestReadInfo();
- if (key == null) {
- cnlReader.requestLinkKey();
+ String key = info.getKey();
- info.setKey(MessageUtils.byteArrayToHexString(cnlReader.getPumpSession().getKey()));
- key = info.getKey();
- }
+ if (key == null) {
+ cnlReader.requestLinkKey();
- cnlReader.getPumpSession().setKey(MessageUtils.hexStringToByteArray(key));
+ info.setKey(MessageUtils.byteArrayToHexString(cnlReader.getPumpSession().getKey()));
+ key = info.getKey();
+ }
- long pumpMAC = cnlReader.getPumpSession().getPumpMAC();
- Log.i(TAG, "PumpInfo MAC: " + (pumpMAC & 0xffffff));
- PumpInfo activePump = realm
- .where(PumpInfo.class)
- .equalTo("pumpMac", pumpMAC)
- .findFirst();
+ cnlReader.getPumpSession().setKey(MessageUtils.hexStringToByteArray(key));
- if (activePump == null) {
- activePump = realm.createObject(PumpInfo.class, pumpMAC);
- }
+ long pumpMAC = cnlReader.getPumpSession().getPumpMAC();
+ Log.i(TAG, "PumpInfo MAC: " + (pumpMAC & 0xffffff));
+ PumpInfo activePump = realm
+ .where(PumpInfo.class)
+ .equalTo("pumpMac", pumpMAC)
+ .findFirst();
- activePump.updateLastQueryTS();
+ if (activePump == null) {
+ activePump = realm.createObject(PumpInfo.class, pumpMAC);
+ }
+
+ activePump.updateLastQueryTS();
- byte radioChannel = cnlReader.negotiateChannel(activePump.getLastRadioChannel());
- if (radioChannel == 0) {
- sendStatus("Could not communicate with the pump. Is it nearby?");
- Log.i(TAG, "Could not communicate with the pump. Is it nearby?");
- pollInterval = configurationStore.getPollInterval() / (configurationStore.isReducePollOnPumpAway() ? 2L : 1L); // reduce polling interval to half until pump is available
- } else {
- dataStore.setActivePumpMac(pumpMAC);
+ byte radioChannel = cnlReader.negotiateChannel(activePump.getLastRadioChannel());
+ if (radioChannel == 0) {
+ sendStatus("Could not communicate with the pump. Is it nearby?");
+ Log.i(TAG, "Could not communicate with the pump. Is it nearby?");
+ pollInterval = configurationStore.getPollInterval() / (configurationStore.isReducePollOnPumpAway() ? 2L : 1L); // reduce polling interval to half until pump is available
+ } else {
+ dataStore.setActivePumpMac(pumpMAC);
- activePump.setLastRadioChannel(radioChannel);
- sendStatus(String.format(Locale.getDefault(), "Connected on channel %d RSSI: %d%%", (int) radioChannel, cnlReader.getPumpSession().getRadioRSSIpercentage()));
- Log.d(TAG, String.format("Connected to Contour Next Link on channel %d.", (int) radioChannel));
+ activePump.setLastRadioChannel(radioChannel);
+ sendStatus(String.format(Locale.getDefault(), "Connected on channel %d RSSI: %d%%", (int) radioChannel, cnlReader.getPumpSession().getRadioRSSIpercentage()));
+ Log.d(TAG, String.format("Connected to Contour Next Link on channel %d.", (int) radioChannel));
- // read pump status
- PumpStatusEvent pumpRecord = realm.createObject(PumpStatusEvent.class);
+ // read pump status
+ PumpStatusEvent pumpRecord = realm.createObject(PumpStatusEvent.class);
- String deviceName = String.format("medtronic-600://%s", cnlReader.getStickSerial());
- activePump.setDeviceName(deviceName);
+ String deviceName = String.format("medtronic-600://%s", cnlReader.getStickSerial());
+ activePump.setDeviceName(deviceName);
- // TODO - this should not be necessary. We should reverse lookup the device name from PumpInfo
- pumpRecord.setDeviceName(deviceName);
+ // TODO - this should not be necessary. We should reverse lookup the device name from PumpInfo
+ pumpRecord.setDeviceName(deviceName);
- long pumpTime = cnlReader.getPumpTime().getTime();
- long pumpOffset = pumpTime - System.currentTimeMillis();
- Log.d(TAG, "Time offset between pump and device: " + pumpOffset + " millis.");
+ long pumpTime = cnlReader.getPumpTime().getTime();
+ long pumpOffset = pumpTime - System.currentTimeMillis();
+ Log.d(TAG, "Time offset between pump and device: " + pumpOffset + " millis.");
- // TODO - send ACTION to MainActivity to show offset between pump and uploader.
- pumpRecord.setPumpTimeOffset(pumpOffset);
- pumpRecord.setPumpDate(new Date(pumpTime - pumpOffset));
- cnlReader.updatePumpStatus(pumpRecord);
+ // TODO - send ACTION to MainActivity to show offset between pump and uploader.
+ pumpRecord.setPumpTimeOffset(pumpOffset);
+ pumpRecord.setPumpDate(new Date(pumpTime - pumpOffset));
+ cnlReader.updatePumpStatus(pumpRecord);
if (pumpRecord.getSgv() != 0) {
String offsetSign = "";
@@ -290,81 +286,82 @@ public class MedtronicCnlIntentService extends IntentService {
dataStore.incUnavailableSGVCount(); // poll clash detection
}
- realm.commitTransaction();
- // Tell the Main Activity we have new data
- sendMessage(Constants.ACTION_UPDATE_PUMP);
- }
+ realm.commitTransaction();
+ // Tell the Main Activity we have new data
+ sendMessage(Constants.ACTION_UPDATE_PUMP);
+ }
- } catch (UnexpectedMessageException e) {
- Log.e(TAG, "Unexpected Message", e);
- sendStatus("Communication Error: " + e.getMessage());
- pollInterval = configurationStore.getPollInterval() / (configurationStore.isReducePollOnPumpAway() ? 2L : 1L);
+ } catch (UnexpectedMessageException e) {
+ Log.e(TAG, "Unexpected Message", e);
+ sendStatus("Communication Error: " + e.getMessage());
+ pollInterval = configurationStore.getPollInterval() / (configurationStore.isReducePollOnPumpAway() ? 2L : 1L);
+ } catch (TimeoutException e) {
+ Log.e(TAG, "Timeout communicating with the Contour Next Link.", e);
+ sendStatus("Timeout communicating with the Contour Next Link.");
+ pollInterval = configurationStore.getPollInterval() / (configurationStore.isReducePollOnPumpAway() ? 2L : 1L);
+ } catch (NoSuchAlgorithmException e) {
+ Log.e(TAG, "Could not determine CNL HMAC", e);
+ sendStatus("Error connecting to Contour Next Link: Hashing error.");
+ } finally {
+ try {
+ cnlReader.closeConnection();
+ cnlReader.endPassthroughMode();
+ cnlReader.endControlMode();
+ } catch (NoSuchAlgorithmException e) {
+ }
+
+ }
+ } catch (IOException e) {
+ Log.e(TAG, "Error connecting to Contour Next Link.", e);
+ sendStatus("Error connecting to Contour Next Link.");
+ } catch (ChecksumException e) {
+ Log.e(TAG, "Checksum error getting message from the Contour Next Link.", e);
+ sendStatus("Checksum error getting message from the Contour Next Link.");
+ } catch (EncryptionException e) {
+ Log.e(TAG, "Error decrypting messages from Contour Next Link.", e);
+ sendStatus("Error decrypting messages from Contour Next Link.");
} catch (TimeoutException e) {
Log.e(TAG, "Timeout communicating with the Contour Next Link.", e);
sendStatus("Timeout communicating with the Contour Next Link.");
- pollInterval = configurationStore.getPollInterval() / (configurationStore.isReducePollOnPumpAway() ? 2L : 1L);
- } catch (NoSuchAlgorithmException e) {
- Log.e(TAG, "Could not determine CNL HMAC", e);
- sendStatus("Error connecting to Contour Next Link: Hashing error.");
+ } catch (UnexpectedMessageException e) {
+ Log.e(TAG, "Could not close connection.", e);
+ sendStatus("Could not close connection: " + e.getMessage());
} finally {
- try {
- cnlReader.closeConnection();
- cnlReader.endPassthroughMode();
- cnlReader.endControlMode();
- } catch (NoSuchAlgorithmException e) {
+ if (!realm.isClosed()) {
+ if (realm.isInTransaction()) {
+ // If we didn't commit the transaction, we've run into an error. Let's roll it back
+ realm.cancelTransaction();
+ }
+ realm.close();
}
-
- }
- } catch (IOException e) {
- Log.e(TAG, "Error connecting to Contour Next Link.", e);
- sendStatus("Error connecting to Contour Next Link.");
- } catch (ChecksumException e) {
- Log.e(TAG, "Checksum error getting message from the Contour Next Link.", e);
- sendStatus("Checksum error getting message from the Contour Next Link.");
- } catch (EncryptionException e) {
- Log.e(TAG, "Error decrypting messages from Contour Next Link.", e);
- sendStatus("Error decrypting messages from Contour Next Link.");
- } catch (TimeoutException e) {
- Log.e(TAG, "Timeout communicating with the Contour Next Link.", e);
- sendStatus("Timeout communicating with the Contour Next Link.");
- } catch (UnexpectedMessageException e) {
- Log.e(TAG, "Could not close connection.", e);
- sendStatus("Could not close connection: " + e.getMessage());
- } finally {
- if (!realm.isClosed()) {
- if (realm.isInTransaction()) {
- // If we didn't commit the transaction, we've run into an error. Let's roll it back
- realm.cancelTransaction();
+ // TODO - set status if offline or Nightscout not reachable
+ sendToXDrip();
+ uploadToNightscout();
+
+ // smart polling and pump-sensor poll clash detection
+ long lastActualPollTime = timePollStarted;
+ if (timeLastGoodSGV > 0) {
+ lastActualPollTime = timeLastGoodSGV + POLL_GRACE_PERIOD_MS + (POLL_PERIOD_MS * ((System.currentTimeMillis() - (timeLastGoodSGV + POLL_GRACE_PERIOD_MS)) / POLL_PERIOD_MS));
}
- realm.close();
- }
- // TODO - set status if offline or Nightscout not reachable
- sendToXDrip();
- uploadToNightscout();
-
- // smart polling and pump-sensor poll clash detection
- long lastActualPollTime = timePollStarted;
- if (timeLastGoodSGV > 0) {
- lastActualPollTime = timeLastGoodSGV + POLL_GRACE_PERIOD_MS + (POLL_PERIOD_MS * ((System.currentTimeMillis() - (timeLastGoodSGV + POLL_GRACE_PERIOD_MS)) / POLL_PERIOD_MS));
- }
- long nextActualPollTime = lastActualPollTime + POLL_PERIOD_MS;
- long nextRequestedPollTime = lastActualPollTime + pollInterval;
- if ((nextRequestedPollTime - System.currentTimeMillis()) < 10000L) {
- nextRequestedPollTime = nextActualPollTime;
- }
- // extended unavailable SGV may be due to clash with the current polling time
- // while we wait for a good SGV event, polling is auto adjusted by offsetting the next poll based on miss count
- if (dataStore.getUnavailableSGVCount() > 0) {
- if (timeLastGoodSGV == 0) {
- nextRequestedPollTime += POLL_PERIOD_MS / 5L; // if there is a uploader/sensor poll clash on startup then this will push the next attempt out by 60 seconds
- } else if (dataStore.getUnavailableSGVCount() > 2) {
- sendStatus("Warning: No SGV available from pump for " + dataStore.getUnavailableSGVCount() + " attempts");
- nextRequestedPollTime += ((long) ((dataStore.getUnavailableSGVCount() - 2) % 5)) * (POLL_PERIOD_MS / 10L); // adjust poll time in 1/10 steps to avoid potential poll clash (max adjustment at 5/10)
+ long nextActualPollTime = lastActualPollTime + POLL_PERIOD_MS;
+ long nextRequestedPollTime = lastActualPollTime + pollInterval;
+ if ((nextRequestedPollTime - System.currentTimeMillis()) < 10000L) {
+ nextRequestedPollTime = nextActualPollTime;
}
+ // extended unavailable SGV may be due to clash with the current polling time
+ // while we wait for a good SGV event, polling is auto adjusted by offsetting the next poll based on miss count
+ if (dataStore.getUnavailableSGVCount() > 0) {
+ if (timeLastGoodSGV == 0) {
+ nextRequestedPollTime += POLL_PERIOD_MS / 5L; // if there is a uploader/sensor poll clash on startup then this will push the next attempt out by 60 seconds
+ } else if (dataStore.getUnavailableSGVCount() > 2) {
+ sendStatus("Warning: No SGV available from pump for " + dataStore.getUnavailableSGVCount() + " attempts");
+ nextRequestedPollTime += ((long) ((dataStore.getUnavailableSGVCount() - 2) % 5)) * (POLL_PERIOD_MS / 10L); // adjust poll time in 1/10 steps to avoid potential poll clash (max adjustment at 5/10)
+ }
+ }
+ MedtronicCnlAlarmManager.setAlarm(nextRequestedPollTime);
+ sendStatus("Next poll due at: " + df.format(nextRequestedPollTime));
}
- MedtronicCnlAlarmManager.setAlarm(nextRequestedPollTime);
- sendStatus("Next poll due at: " + df.format(nextRequestedPollTime));
-
+ } finally {
MedtronicCnlAlarmReceiver.completeWakefulIntent(intent);
}
}