DualShock 4 on Pico-W

This is a pretty crude project which brings up a Sony DualShock 4 (PS4) controller on Pico-W.

It uses a hard-coded controller MAC address (see src/bt_hid.c), that needs to match your controller.

On first boot, make sure the controller is in "pairing" mode (hold "Share" and the PS button, so the light is doing quick double-flashes).

Once paired, it's enough to just press the PS/Home button to reconnect.

Building

The DS4 has a large HID descriptor, which doesn't fit in upstream BTStack's SDP buffer, so this project submodules a fork of BTStack wich just makes that larger.

So, clone this repository, then:

cd picow_ds4
git submodule update --init --recursive
mkdir build
cd build
cmake -DPICO_BOARD=pico_w -DPICO_SDK_PATH=/your/path/to/pico-sdk ../
make

The .uf2 file will be build/src/picow_ds4.uf2