Improve OLED telemetry display

Author: afpineda

doc/hardware/ui/MonochromeOLED/MonochromeOLED.jpg

@@ -9,6 +9,7 @@ It will show the following information thanks to SimHub:
 - RPM bar.
 - Current gear.
 - Low fuel alert.
+- Pit limiter alert.
 - TC and ABS engagement alerts.
 - Current TC and ABS settings.
 - Current brake bias (BB).

doc/hardware/ui/MonochromeOLED/MonochromeOLED_en.md

@@ -15,7 +15,7 @@ Follow the links for an in-depth explanation:
 - [Monochrome OLED 128x64 telemetry display](./MonochromeOLED/MonochromeOLED_en.md)
 
   A monochrome OLED with 128x64 pixels showing RPM bar,
-  gear, TC, ABS and brake bias.
+  gear, TC, ABS, brake bias, fuel and pit limiter alerts.
 
 Any telemetry display is potentially able to display notifications
 (such as connection or low battery),

doc/hardware/ui/TelemetryData_en.md

@@ -169,6 +169,7 @@ void OledTelemetry128x64::onTelemetryData(const TelemetryData *pTelemetryData)
 
     if (pTelemetryData)
     {
+        // Determine flashing
         if (_impl->flash && !pTelemetryData->powertrain.shiftLight2)
         {
             // Stop flashing
@@ -179,7 +180,13 @@ void OledTelemetry128x64::onTelemetryData(const TelemetryData *pTelemetryData)
             _impl->flash = pTelemetryData->powertrain.shiftLight2;
         uint8_t aux;
 
+        // Clear the frame buffer
         _impl->frame.fillScreen(0);
+
+        // Create 3 vertical sections
+        _impl->frame.drawFastVLine(38, 8, 56, 0xFFFF);
+        _impl->frame.drawFastVLine(89, 8, 56, 0xFFFF);
+
         // Draw RPM bar
         aux = map(pTelemetryData->powertrain.rpmPercent, 0, 100, 0, 128);
         _impl->frame.drawRect(0, 0, 128, 7, 0xFFFF);
@@ -189,10 +196,10 @@ void OledTelemetry128x64::onTelemetryData(const TelemetryData *pTelemetryData)
         _impl->frame.setTextSize(3);
         aux = (pTelemetryData->powertrain.shiftLight1) ? 0 : 0xFF;
         if (pTelemetryData->powertrain.shiftLight1)
-            _impl->frame.fillRect(52, 25, 21, 27, 0xFFFF);
+            _impl->frame.fillRect(53, 17, 22, 27, 0xFFFF);
         _impl->frame.drawChar(
-            55,
-            28,
+            56,
+            20,
             pTelemetryData->powertrain.gear,
             aux,
             !aux, 3);
@@ -244,9 +251,19 @@ void OledTelemetry128x64::onTelemetryData(const TelemetryData *pTelemetryData)
 
         // Draw fuel warning
         if (pTelemetryData->ecu.lowFuelAlert)
-            _impl->frame.drawChar(61, 10, 'F', 0xFF, 0, 1);
+        {
+            // Text size: 1
+            _impl->frame.drawChar(11, 49, 'F', 0xFF, 0, 1);
+        }
+
+        // Draw pit limiter witness
+        if (pTelemetryData->ecu.pitLimiter)
+        {
+            // Text size: 1
+            _impl->frame.drawChar(116, 49, 'P', 0xFF, 0, 1);
+        }
     }
-    else
+    else if (_impl->connected) // && !pTelemetryData
     {
         _impl->frame.fillScreen(0);
         stopFlashing();