Legacy Game Controller Over Bluetooth

Copyright (c) 2014 chrdev

The LGCOB project is released under the MIT License.

The source code is available at https://github.com/chrdev/lgcob

HTTPS clone URL: https://github.com/chrdev/LGCOB.git

ALL TRADEMARKS MENTIONED IN LGCOB PROJECT BELONG TO THEIR RESPECTIVE OWNERS.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

LGCOB is game controller firmware for a certain types of low-cost CSR BlueCore chips. With LGCOB, a legacy gamepad can operate as a standard Bluetooth 2.1 HID game controller, working with most Bluetooth hosts including PCs and smartphones.

All devices are tested working with CSR BlueCore4-External (BC417).

• SEGA Saturn Gamepad

Due to copyright reasons, the built firmware cannot be published. you have to build it yourself. You may need a proprietary IDE like CSR BlueLab to achieve that.

1. Backup the original firmware and PS keys.

2. Open source/lgcob.wix in xIDE, go to Project -> Properties -> Build System, and choose your Target Device.

3. Build the LGCOB firmware, generates .xdv / .xpv file pair.

4. Flash the firmware .

5. Apply source/lgcob.psr to PS keys.

6. Power off the Bluetooth module and connect the game controller to the right PIO pins. Check out connection directory for more details.

7. Power up the Bluetooth module and enjoy.

To add support for a new game controller, you should follow these steps, which is described by an example. The name of the new device is called diy.

1. Create diy.h in source/devices directory. You may start by copying source/devices/skeleton.h as a start point, and use source/devices/ss.h as reference. In the xIDE, Put source/devices/diy.h in Devices folder.

2. Edit source/devices/device.h, make sure it conditionally includes the new device header file, like this

#ifdef DEVICE_DIY
#include "diy.h"
#endif

3. Edit source/lgcob_vmprops.xml, insert a new line to inform the xIDE there is a new target device to choose from. The new line should come just before

<option internalval="DEVICE_SKELETON">Skeleton</option>

and have the contents of

<option internalval="DEVICE_DIY">DIY Game Controller</option>

My first smartphone, Smartisan T1 inspired the creation of this project.

chrdev@zoho.com (English and Chinese preferred)

First release

Known Issue:

• Won't reconnect to some paired hosts, this function is simply not implemented. Walk-around: delete saved device from the host and re-pair.