TFT display kinda draws stuff (badly)

src/graphics/TFT.cpp

@@ -2,12 +2,35 @@
 
 #ifdef ST7735_CS
 
+#include "TFT.h"
 #include <SPI.h>
 #include <TFT_eSPI.h> // Graphics and font library for ST7735 driver chip
 
 TFT_eSPI tft = TFT_eSPI(); // Invoke library, pins defined in User_Setup.h
 
-void TFTinit()
+
+TFTDisplay::TFTDisplay(uint8_t address, int sda, int scl)
+{
+    setGeometry(
+        GEOMETRY_128_64); // FIXME - currently we lie and claim 128x64 because I'm not yet sure other resolutions will work
+}
+
+// Write the buffer to the display memory
+void TFTDisplay::display(void)
+{
+    // FIXME - only draw bits have changed (use backbuf similar to the other displays)
+    tft.drawBitmap(0, 0, buffer, 128, 64, TFT_YELLOW, TFT_BLACK);
+}
+
+// Send a command to the display (low level function)
+void TFTDisplay::sendCommand(uint8_t com)
+{
+    (void)com;
+    // Drop all commands to device (we just update the buffer)
+}
+
+// Connect to the display
+bool TFTDisplay::connect()
 {
     DEBUG_MSG("Doing TFT init\n");
 
@@ -17,8 +40,11 @@ void TFTinit()
 #endif
 
     tft.init();
-    tft.setRotation(1);
-    tft.fillScreen(TFT_GREEN);
+    tft.setRotation(3); // Orient horizontal and wide underneath the silkscreen name label
+    tft.fillScreen(TFT_BLUE);
+    // tft.drawRect(0, 0, 40, 10, TFT_PURPLE); // wide rectangle in upper left
+
+    return true;
 }
 
 #endif