Fix Error screen and optimize GetTouchInfo

Author: Riksu9000

src/displayapp/screens/Error.cpp

@@ -48,7 +48,3 @@ void Error::ButtonEventHandler() {
 Error::~Error() {
   lv_obj_clean(lv_scr_act());
 }
-
-bool Error::Refresh() {
-  return running;
-}

src/displayapp/screens/Error.h

@@ -12,7 +12,6 @@ namespace Pinetime {
         Error(DisplayApp* app, System::BootErrors error);
         ~Error() override;
 
-        bool Refresh() override;
         void ButtonEventHandler();
       private:
         lv_obj_t* btnOk;

src/drivers/Cst816s.cpp

@@ -71,6 +71,7 @@ bool Cst816S::Init() {
 
 Cst816S::TouchInfos Cst816S::GetTouchInfo() {
   Cst816S::TouchInfos info;
+  uint8_t touchData[7];
 
   auto ret = twiMaster.Read(twiAddress, 0, touchData, sizeof(touchData));
   if (ret != TwiMaster::ErrorCodes::NoError) {
@@ -79,18 +80,16 @@ Cst816S::TouchInfos Cst816S::GetTouchInfo() {
   }
 
   // This can only be 0 or 1
-  auto nbTouchPoints = touchData[touchPointNumIndex] & 0x0f;
+  uint8_t nbTouchPoints = touchData[touchPointNumIndex] & 0x0f;
 
-  auto xHigh = touchData[touchXHighIndex] & 0x0f;
-  auto xLow = touchData[touchXLowIndex];
-  uint16_t x = (xHigh << 8) | xLow;
+  uint8_t xHigh = touchData[touchXHighIndex] & 0x0f;
+  uint8_t xLow = touchData[touchXLowIndex];
+  info.x = (xHigh << 8) | xLow;
 
-  auto yHigh = touchData[touchYHighIndex] & 0x0f;
-  auto yLow = touchData[touchYLowIndex];
-  uint16_t y = (yHigh << 8) | yLow;
+  uint8_t yHigh = touchData[touchYHighIndex] & 0x0f;
+  uint8_t yLow = touchData[touchYLowIndex];
+  info.y = (yHigh << 8) | yLow;
 
-  info.x = x;
-  info.y = y;
   info.touching = (nbTouchPoints > 0);
   info.gesture = static_cast<Gestures>(touchData[gestureIndex]);
 

src/drivers/Cst816s.h

@@ -58,7 +58,6 @@ namespace Pinetime {
       //static constexpr uint8_t touchXYIndex = 7;
       //static constexpr uint8_t touchMiscIndex = 8;
 
-      uint8_t touchData[7];
       TwiMaster& twiMaster;
       uint8_t twiAddress;