Improve encoder driver

It actually works and clicks now!

Still a bit rough though. Need to dive into lvgl internals to work out
what it's doing with enc_diff

1 files changed, 3 insertions, 2 deletions

diff --git a/src/drivers/touchwheel.cpp b/src/drivers/touchwheel.cpp
index 576b6dad..84d4d67c 100644
--- a/src/drivers/touchwheel.cpp
+++ b/src/drivers/touchwheel.cpp
@@ -105,8 +105,9 @@ void TouchWheel::Update() {
   }
   if (status & 0b1) {
     // Key detect. Note that the touchwheel keys also trigger this.
-    // TODO(daniel): Do something with this.
-    // bool centre_key = ReadRegister(Register::KEY_STATUS_A) & 0b1000;
+    uint8_t reg = ReadRegister(Register::KEY_STATUS_A);
+    data_.is_button_touched = reg & 0b1000;
+    data_.is_wheel_touched = reg & 0b111;
   }
 }