Handle buttons & encoders in View, not Model

Core/Src/STWButtonController.cpp

@@ -0,0 +1,36 @@
+#include "STWButtonController.hpp"
+
+#include "main.h"
+#include "tx_api.h"
+#include "ui.h"
+
+void STWButtonController::init() {}
+
+bool STWButtonController::sample(uint8_t &key) {
+  ButtonMessage msg;
+  if (tx_queue_receive(&gui_button_queue, &msg, TX_NO_WAIT) == TX_SUCCESS) {
+    switch (msg.kind) {
+    case UMK_BTN_RELEASED:
+      key = KEY_BTN1 + msg.number;
+      break;
+    case UMK_ENC_CW: {
+      if (msg.number == 0) {
+        key = KEY_ENC1_CW;
+      } else {
+        key = KEY_ENC2_CW;
+      }
+      break;
+    }
+    case UMK_ENC_CCW:
+      if (msg.number == 0) {
+        key = KEY_ENC1_CCW;
+      } else {
+        key = KEY_ENC2_CCW;
+      }
+    }
+    HAL_GPIO_TogglePin(STATUS2_GPIO_Port, STATUS2_Pin);
+    return true;
+  }
+
+  return false;
+}