It is important to note that this repository is large and can take a long time and use a lot of space to download. If you would like to save time and space, there are some options that you can choose to download only the most current version of the Android project folder:. Or, if you prefer, you can use the "Download Zip" button available through the main repository page. Downloading the project as a. ZIP file will keep the size of the download manageable.
You can also download the project folder as a. Once you have downloaded and uncompressed if needed your folder, you can use Android Studio to import the folder "Import project Eclipse ADT, Gradle, etc. You can access the wiki at the following address:.
There is a subfolder called "doc" which contains several subfolders:. Op modes are created and edited using a Javascript-enabled browser Google Chromse is recommended. Op modes are saved on the Robot Controller Android device directly. This version also includes improvements in the USB communication layer in an effort to enhance system resiliency.
If you were using a 2. Also note that in version 3. Also note that the the new 3. In addition to the release changes listed below see section labeled "Version 3. This software is being released as an "alpha" version. Use this version at your own risk! These changes were implemented to improve the reliability and resiliency of the FTC control system.
Please note, however, that version 3. The developers do not recommend using this code for critical applications i. Skip to content. This repository has been archived by the owner. It is now read-only. Star Branches Tags. Could not load branches. Could not load tags. Latest commit. Git stats 90 commits.
Failed to load latest commit information. View code. Downloading the Project It is important to note that this repository is large and can take a long time and use a lot of space to download. There is a subfolder called "doc" which contains several subfolders: The folder "apk" contains the. Adds a Java preview pane to the Blocks editor. Adds a new offline export feature to the Blocks editor. Display wifi channel in Network circle on Driver Station.
Compliance with Google's permissions infrastructure Required after build tooling update. Keep Alives to mitigate the Motorola wifi scanning problem. Telemetry substitute no longer necessary. Improves Vuforia error reporting.
Miscellaneous bug fixes and improvements. Release Information Version 4. Comm error appeared to require that user disconnect USB cable and restart the Robot Controller app to recover. Bug in versions 4. If the parent module had a higher address value than the daisy-chained module, then this bug would prevent the Robot Controller from communicating with the downstream Expansion Hub.
Added google repo to build. Internet connectivity is required for the first build so the appropriate files can be downloaded from the Google repository. Users should not need to be connected to the Internet for subsequent builds.
This should also fix buid issue where Android Studio would complain that it "Could not find com. Provide examples for playing audio files in an Op Mode. Change the "Save completed successfully. Fixed the "Download image" feature so it will work if there are text blocks in the op mode. Introduce support for Google's TensorFlow Lite technology for object detetion for game.
Example Java and Block op modes are included to show how to determine the relative position of the gold block left, center, right. Improvements to Telemetry. Updated Blocks sample op mode list to include Rover Ruckus Vuforia example. Update SDK library version number. User can upload calibration files from Program and Manage web interface. This does seem to create stability problems when using some cameras with an Android phone-based Robot Controller. Support for improved motor control.
Deprecated older PID-related methods and variables. REV's 1. Wireless Added 5GHz support for wireless channel changing for those devices that support it.
Tested with Moto G5 and E4 phones. Also tested with other currently non-approved phones such as Samsung Galaxy S8. Improved Expansion Hub firmware update support in Robot Controller app Changes to make the system more robust during the firmware update process when performed through Robot Controller app.
User no longer has to disconnect a downstream daisy-chained Expansion Hub when updating an Expansion Hub's firmware. The user cannot update the Expansion Hub firmware for a downstream device that is daisy chained through an RS connection. Robot Controller app should be able to detect an Expansion Hub, even if it accidentally was bricked in a previous update attempt. Robot Controller app should be able to install the firmware onto the Hub, even if if accidentally was bricked in a previous update attempt.
This action helps system recover from some ESD-induced disruptions. Various fixes to improve reliability of FTC software. Blocks Fixed errors with string and list indices in blocks export to java. Refactored optimized Blocks Vuforia code to support Rover Ruckus image targets.
Added programming blocks to support PIDF proportional, integral, derivative and feed forward motor control. Added formatting options under Telemetry and Miscellaneous categories so user can set how many decimal places to display a numerical value.
Support to play audio files which are uploaded through Blocks web interface on Driver Station in addition to the Robot Controller. Fixed bug with Download Image of Blocks feature. Added blocks for DcMotorEx methods. These are enhanced methods that you can use when supported by the motor controller hardware.
Modest Improvements in Logging Decrease frequency of battery checker voltage statements. Removed non-FTC related log statements wherever possible. Introduced a "Match Logging" feature. If enabled, user provides a "Match Number" through the Driver Station user interface top of the screen.
The Match Number is used to create a log file specifically with log statements from that particular Op Mode run. Once an op mode run is complete, the Match Number is cleared. This is a convenient way to create a separate match log with statements only related to a specific op mode run. Miscellaneous Fixed some errors in the definitions for acceleration and velocity in our javadoc documentation. Added ability to play audio files on Driver Station When user is configuring an Expansion Hub, the LED on the Expansion Hub will change blink pattern purple-cyan to indicate which Hub is currently being configured.
Wireless When user selects a wireless channel, this channel does not necessarily persist if the phone is power cycled. Tech Team is hoping to eventually address this issue in a future release.
Issue has been present since apps were introduced i. Wireless channel is not currently displayed for WiFi Direct connections. Miscellaneous The blink indication feature that shows which Expansion Hub is currently being configured does not work for a newly created configuration file.
User has to first save a newly created configuration file and then close and re-edit the file in order for blink indicator to work. Release Information Version 3. Improvement in Blocks tool to handle corrupt op mode files.
Autonomous op modes should no longer get switched back to tele-op after re-opening them to be edited. The system can now detect type mismatches during runtime and alert the user with a message on the Driver Station. Modified VuforiaLocalizerImpl to allow for user rendering of frames Added a user-overrideable onRenderFrame method which gets called by the class's renderFrame method. Introduced a fix to prevent random op mode stops, which were previously caused by random peer disconnect events on the Driver Station.
Fixes issue where log files would be closed on pause of the RC or DS, but not re-opened upon resume. Fixes issue where Android Studio generated op modes would disappear from available list in certain situations.
Improved error message on OnBot Java that occurs when renaming a file fails. Removed unneeded resources from android. Renamed sample Block op modes to be more consistent with Java samples. Added some additional sample Block op modes. Reworded OnBot Java readme slightly.
Version 3. Changes with verion 3. The inline encryption framework can be enabled by setting the following kernel configuration options:.
Enabling FBE on a device requires enabling it on the internal storage userdata. This also automatically enables FBE on adoptable storage; however, the encryption format on adoptable storage may be overridden if necessary.
This option defines the encryption format on internal storage. It contains up to three colon-separated parameters:. This mode is unimplemented by the Android common kernels, but it could be implemented by vendors using custom kernel patches. The on-disk format produced by this mode was vendor-specific.
On devices launching with Android 11 or higher, this mode is no longer allowed and a standard encryption format must be used instead. By default, file contents encryption is done using the Linux kernel's cryptography API. If you want to use inline encryption hardware instead, also add the inlinecrypt mount option. For example, a full fstab line might look like:. Since Android 9, FBE and adoptable storage can be used together. Specifying the fileencryption fstab option for userdata also automatically enables both FBE and metadata encryption on adoptable storage.
The generation of keys and management of the kernel keyring is handled by vold. There is no support for earlier versions of the Keymaster HAL. By the time the on-post-fs phase of init completes, the Keymaster must be ready to handle requests.
File-based encryption applies the encryption policy at the directory level. When additional users and profiles are created, the necessary additional keys are generated and stored in the keystore; their credential and devices storage locations are created and the encryption policy links these keys to those directories.
In Android 11 and higher, the encryption policy is no longer hardcoded into a centralized location, but rather is defined by arguments to the mkdir commands in the init scripts. It is possible to add exceptions to prevent certain directories from being encrypted at all. If modifications of this sort are made then the device manufacturer should include SELinux policies that only grant access to the applications that need to use the unencrypted directory.
This should exclude all untrusted applications. To facilitate rapid migration of system apps, there are two new attributes that can be set at the application level. The defaultToDeviceProtectedStorage attribute is available only to system apps. The directBootAware attribute is available to all.
The directBootAware attribute at the application level is shorthand for marking all components in the app as being encryption aware. System apps using this flag must carefully audit all data stored in the default location, and change the paths of sensitive data to use CE storage. Device manufactures using this option should carefully inspect the data that they are storing to ensure that it contains no personal information.
When running in this mode, the following System APIs are available to explicitly manage a Context backed by CE storage when needed, which are equivalent to their Device Protected counterparts. Each user in a multi-user environment gets a separate encryption key. Every user gets two keys: a DE and a CE key. User 0 must log into the device first as it is a special user. This is pertinent for Device Administration uses. However, those apps will be able to access only CE-encrypted directories for users that are already unlocked.
An application may be able to interact freely across the DE areas, but one user unlocked does not mean that all the users on the device are unlocked. The application should check this status before trying to access these areas. The recovery partition is unable to access the DE-protected storage on the userdata partition. As the OTA can be applied during normal operation there is no need for recovery to access data on the encrypted drive.
In addition, device manufacturers may perform the following manual tests. On a device with FBE enabled:. Additionally, testers can boot a userdebug instance with a lockscreen set on the primary user. Then adb shell into the device and use su to become root. Device manufacturers are also encouraged to explore running the upstream Linux tests for fscrypt on their devices or kernels. These tests are part of the xfstests filesystem test suite.
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