Merge pull request #165 from bobbycar-graz/reduce_statusdisplay_fps

Reduce StatusDisplay FPS to increase performance

main/displays/statusdisplay.cpp

@@ -16,6 +16,7 @@
 #include "udpcloud.h"
 #include "modes/defaultmode.h"
 
+using namespace std::chrono_literals;
 using namespace espgui;
 
 namespace {
@@ -70,6 +71,14 @@ void StatusDisplay::initScreen()
 void StatusDisplay::redraw()
 {
     Base::redraw();
+
+    {
+        const auto now = espchrono::millis_clock::now();
+        if (now - lastRedraw < 50ms)
+            return;
+        lastRedraw = now;
+    }
+
     if (settings.handbremse.enable && settings.handbremse.visualize && handbremse::angezogen)
         tft.fillRect(0, tft.height()-6, tft.width(), 6, TFT_RED);
     else if (settings.handbremse.enable && settings.handbremse.visualize && handbremse::stateWish == handbremse::StateWish::brake)

main/displays/statusdisplay.h

@@ -8,6 +8,7 @@
 #include <actions/switchscreenaction.h>
 #include <widgets/label.h>
 #include <widgets/progressbar.h>
+#include <espchrono.h>
 
 // local includes
 #include "modeinterface.h"
@@ -69,6 +70,8 @@ private:
         MotorStatus m_rightMotor;
     };
 
+    espchrono::millis_clock::time_point lastRedraw;
+
     espgui::Label m_labelRawGas{45, 0}; // 40, 15
     espgui::Label m_labelGas{90, 0}; // 60, 15
     espgui::ProgressBar m_progressBarGas{150, 0, 90, 15, 0, 1000};