Adafruit display (#3179)

* Use uint8_t instead of char in icon_bits

* Add Adafruit PiTFT support

bin/config-dist.yaml

@@ -91,7 +91,19 @@ Display:
 #  OffsetX: 0
 #  OffsetY: 0
 
+### Adafruit PiTFT 2.8 TFT+Touchscreen
+#  Panel: ILI9341
+#  CS: 8
+#  DC: 25
+#  Backlight: 2
+#  Width: 320
+#  Height: 240
+
 Touchscreen:
+#  Module: STMPE610
+#  CS: 7
+#  IRQ: 24
+
 #  Module: XPT2046
 #  CS: 7
 #  IRQ: 17

src/graphics/Screen.cpp

@@ -150,7 +150,7 @@ static void drawIconScreen(const char *upperMsg, OLEDDisplay *display, OLEDDispl
 
     // draw centered icon left to right and centered above the one line of app text
     display->drawXbm(x + (SCREEN_WIDTH - icon_width) / 2, y + (SCREEN_HEIGHT - FONT_HEIGHT_MEDIUM - icon_height) / 2 + 2,
-                     icon_width, icon_height, (const uint8_t *)icon_bits);
+                     icon_width, icon_height, icon_bits);
 
     display->setFont(FONT_MEDIUM);
     display->setTextAlignment(TEXT_ALIGN_LEFT);

src/graphics/TFTDisplay.cpp

@@ -354,6 +354,8 @@ class LGFX : public lgfx::LGFX_Device
             _panel_instance = new lgfx::Panel_ST7735;
         else if (settingsMap[displayPanel] == st7735s)
             _panel_instance = new lgfx::Panel_ST7735S;
+        else if (settingsMap[displayPanel] == ili9341)
+            _panel_instance = new lgfx::Panel_ILI9341;
         auto buscfg = _bus_instance.config();
         buscfg.spi_mode = 0;
 
@@ -379,6 +381,8 @@ class LGFX : public lgfx::LGFX_Device
         if (settingsMap[touchscreenModule]) {
             if (settingsMap[touchscreenModule] == xpt2046) {
                 _touch_instance = new lgfx::Touch_XPT2046;
+            } else if (settingsMap[touchscreenModule] == stmpe610) {
+                _touch_instance = new lgfx::Touch_STMPE610;
             }
             auto touch_cfg = _touch_instance->config();
 

src/graphics/img/icon.xbm

@@ -1,6 +1,6 @@
 #define icon_width 50
 #define icon_height 28
-static char icon_bits[] = {
+static uint8_t icon_bits[] = {
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x03, 0x00, 0x03, 
   0x00, 0x00, 0x00, 0x80, 0x07, 0xC0, 0x07, 0x00, 0x00, 0x00, 0xC0, 0x1F, 
   0xC0, 0x0F, 0x00, 0x00, 0x00, 0xE0, 0x0F, 0xE0, 0x0F, 0x00, 0x00, 0x00, 
@@ -17,4 +17,4 @@ static char icon_bits[] = {
   0xFE, 0x00, 0x00, 0xFC, 0x01, 0x7E, 0x00, 0x7F, 0x00, 0x00, 0xF8, 0x01, 
   0x7E, 0x00, 0x3E, 0x00, 0x00, 0xF8, 0x01, 0x38, 0x00, 0x3C, 0x00, 0x00, 
   0x70, 0x00, 0x10, 0x00, 0x10, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 
-  0x00, 0x00, 0x00, 0x00, };
+  0x00, 0x00, 0x00, 0x00, };

src/platform/portduino/PortduinoGlue.cpp

@@ -169,6 +169,8 @@ void portduinoSetup()
                 settingsMap[displayPanel] = st7735;
             else if (yamlConfig["Display"]["Panel"].as<std::string>("") == "ST7735S")
                 settingsMap[displayPanel] = st7735s;
+            else if (yamlConfig["Display"]["Panel"].as<std::string>("") == "ILI9341")
+                settingsMap[displayPanel] = ili9341;
             settingsMap[displayHeight] = yamlConfig["Display"]["Height"].as<int>(0);
             settingsMap[displayWidth] = yamlConfig["Display"]["Width"].as<int>(0);
             settingsMap[displayDC] = yamlConfig["Display"]["DC"].as<int>(-1);
@@ -184,6 +186,8 @@ void portduinoSetup()
         if (yamlConfig["Touchscreen"]) {
             if (yamlConfig["Touchscreen"]["Module"].as<std::string>("") == "XPT2046")
                 settingsMap[touchscreenModule] = xpt2046;
+            else if (yamlConfig["Touchscreen"]["Module"].as<std::string>("") == "STMPE610")
+                settingsMap[touchscreenModule] = stmpe610;
             settingsMap[touchscreenCS] = yamlConfig["Touchscreen"]["CS"].as<int>(-1);
             settingsMap[touchscreenIRQ] = yamlConfig["Touchscreen"]["IRQ"].as<int>(-1);
         }

src/platform/portduino/PortduinoGlue.h

@@ -35,8 +35,8 @@ enum configNames {
     keyboardDevice,
     logoutputlevel
 };
-enum { no_screen, st7789, st7735, st7735s };
+enum { no_screen, st7789, st7735, st7735s, ili9341 };
-enum { no_touchscreen, xpt2046 };
+enum { no_touchscreen, xpt2046, stmpe610 };
 enum { level_error, level_warn, level_info, level_debug };
 
 extern std::map<configNames, int> settingsMap;