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, 6 insertions, 5 deletions

diff --git a/src/ui/wheel_encoder.cpp b/src/ui/wheel_encoder.cpp
index 3b817f61..432a81b4 100644
--- a/src/ui/wheel_encoder.cpp
+++ b/src/ui/wheel_encoder.cpp
@@ -5,6 +5,8 @@
  */
 
 #include "wheel_encoder.hpp"
+#include <sys/_stdint.h>
+#include "core/lv_group.h"
 #include "hal/lv_hal_indev.h"
 
 namespace ui {
@@ -17,7 +19,7 @@ void encoder_read(lv_indev_drv_t* drv, lv_indev_data_t* data) {
 
 TouchWheelEncoder::TouchWheelEncoder(
     std::weak_ptr<drivers::RelativeWheel> wheel)
-    : wheel_(wheel) {
+    : last_key_(0), wheel_(wheel) {
   lv_indev_drv_init(&driver_);
   driver_.type = LV_INDEV_TYPE_ENCODER;
   driver_.read_cb = encoder_read;
@@ -29,15 +31,14 @@ TouchWheelEncoder::TouchWheelEncoder(
 auto TouchWheelEncoder::Read(lv_indev_data_t* data) -> void {
   auto lock = wheel_.lock();
   if (lock == nullptr) {
-    data->state = LV_INDEV_STATE_RELEASED;
-    data->enc_diff = 0;
     return;
   }
 
   lock->Update();
-  data->state =
-      lock->is_pressed() ? LV_INDEV_STATE_PRESSED : LV_INDEV_STATE_RELEASED;
+
   data->enc_diff = lock->ticks();
+  data->state =
+      lock->is_clicking() ? LV_INDEV_STATE_PRESSED : LV_INDEV_STATE_RELEASED;
 }
 
 }  // namespace ui