feat: Create a display hardware abstraction layer (DisplayHal) supporting SSD1306, 16x2, and ST7789 screens with setup, boot, info, and mining results display functions.

JoKenPo · JoKenPo · commit 856d0a66cd03 · 2026-03-03T23:08:54.000-03:00
diff --git a/ESP_Code/DisplayHal.h b/ESP_Code/DisplayHal.h
@@ -87,7 +87,7 @@
 
       #if defined(DISPLAY_ST7789)
         tft.begin();
-        tft.setRotation(1); 
+        tft.setRotation(1);
         tft.init();
         tft.fillScreen(BLACK);
       #endif
@@ -305,35 +305,34 @@
       #endif
 
       #if defined(DISPLAY_ST7789)
-          tft.init();
-          tft.fillScreen(BLACK);
-          tft.setTextColor(WHITE);
+          // Use background color to overwrite old text (no fillScreen needed = no flicker)
+          tft.setTextColor(WHITE, BLACK);
           
           tft.setTextSize(2);
           tft.setCursor(2, 10);
-          tft.print("Hashrate: " + hashrate + " kH");
+          tft.print("Hashrate: " + hashrate + " kH   ");
         
           tft.setCursor(2, 30);
-          tft.print("Node: " + node);
+          tft.print("Node: " + node + "   ");
         
           tft.setCursor(2, 50);
-          tft.print("Accepted/Total: " + accepted_shares + "/" + total_shares);
+          tft.print("Accepted/Total: " + accepted_shares + "/" + total_shares + "   ");
           tft.setCursor(2, 70);
-          tft.print("Accepted Rate: " + accept_rate + "%");
+          tft.print("Accepted Rate: " + accept_rate + "%   ");
         
           tft.setCursor(2, 90);
-          tft.print("Ping: " + ping + " ms");
+          tft.print("Ping: " + ping + " ms   ");
         
           tft.setCursor(2, 110);
-          tft.print("Uptime: " + uptime);
+          tft.print("Uptime: " + uptime + "   ");
         
           tft.setCursor(2, 130);
-          tft.print("Share Rate: " + sharerate);
+          tft.print("Share Rate: " + sharerate + "   ");
           tft.setCursor(2, 150);
-          tft.print("Difficulty: " + difficulty);
+          tft.print("Difficulty: " + difficulty + "   ");
         
           tft.setCursor(2, 200);
-          tft.print("IP: " + WiFi.localIP().toString());
+          tft.print("IP: " + WiFi.localIP().toString() + "   ");
 
       #endif
     }
