Merge 1baf5d2ab8 into 19dc2873c5

src/configuration.h

@@ -230,6 +230,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // Touchscreen
 // -----------------------------------------------------------------------------
 #define FT6336U_ADDR 0x48
+#define CST226SE_ADDR 0x1A
+#define CST226SE_ADDR_ALT 0x5A
 
 // -----------------------------------------------------------------------------
 // RAK12035VB Soil Monitor (using RAK12023 up to 3 RAK12035 monitors can be connected)

src/detect/ScanI2C.h

@@ -75,6 +75,7 @@ class ScanI2C
         TCA8418KB,
         PCT2075,
         BMM150,
+        CST226SE,
     } DeviceType;
 
     // typedef uint8_t DeviceAddress;

src/detect/ScanI2CTwoWire.cpp

@@ -449,13 +449,18 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
                 SCAN_SIMPLE_CASE(PCT2075_ADDR, PCT2075, "PCT2075", (uint8_t)addr.address);
                 SCAN_SIMPLE_CASE(SCD4X_ADDR, SCD4X, "SCD4X", (uint8_t)addr.address);
                 SCAN_SIMPLE_CASE(BMM150_ADDR, BMM150, "BMM150", (uint8_t)addr.address);
+                SCAN_SIMPLE_CASE(CST226SE_ADDR, CST226SE, "CST226SE", (uint8_t)addr.address);
 #ifdef HAS_TPS65233
                 SCAN_SIMPLE_CASE(TPS65233_ADDR, TPS65233, "TPS65233", (uint8_t)addr.address);
 #endif
 
             case MLX90614_ADDR_DEF:
-                registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0x0e), 1);
+                // Do we have the MLX90614 or the MPR121KB or the CST226SE
-                if (registerValue == 0x5a) {
+                registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0x06), 1);
+                if (registerValue == 0xAB) {
+                    type = CST226SE;
+                    logFoundDevice("CST226SE", (uint8_t)addr.address);
+                } else if (getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0x0e), 1) == 0x5a) {
                     type = MLX90614;
                     logFoundDevice("MLX90614", (uint8_t)addr.address);
                 } else {

src/graphics/Screen.cpp

@@ -281,7 +281,7 @@ static int8_t prevFrame = -1;
 // Combined dynamic node list frame cycling through LastHeard, HopSignal, and Distance modes
 // Uses a single frame and changes data every few seconds (E-Ink variant is separate)
 
-#if defined(ESP_PLATFORM) && defined(USE_ST7789)
+#if defined(ESP_PLATFORM) && (defined(USE_ST7789) || defined(USE_ST7796))
 SPIClass SPI1(HSPI);
 #endif
 
@@ -313,7 +313,18 @@ Screen::Screen(ScanI2C::DeviceAddress address, meshtastic_Config_DisplayConfig_O
 #else
     dispdev = new ST7789Spi(&SPI1, ST7789_RESET, ST7789_RS, ST7789_NSS, GEOMETRY_RAWMODE, TFT_WIDTH, TFT_HEIGHT);
 #endif
+#elif defined(USE_ST7796)
+#ifdef ESP_PLATFORM
+    dispdev = new ST7796Spi(&SPI1, ST7796_RESET, ST7796_RS, ST7796_NSS, GEOMETRY_RAWMODE, TFT_WIDTH, TFT_HEIGHT, ST7796_SDA,
+                            ST7796_MISO, ST7796_SCK, TFT_SPI_FREQUENCY);
+#else
+    dispdev = new ST7796Spi(&SPI1, ST7796_RESET, ST7796_RS, ST7796_NSS, GEOMETRY_RAWMODE, TFT_WIDTH, TFT_HEIGHT);
+#endif
+#if defined(USE_ST7789)
     static_cast<ST7789Spi *>(dispdev)->setRGB(TFT_MESH);
+#elif defined(USE_ST7796)
+    static_cast<ST7796Spi *>(dispdev)->setRGB(TFT_MESH);
+#endif
 #elif defined(USE_SSD1306)
     dispdev = new SSD1306Wire(address.address, -1, -1, geometry,
                               (address.port == ScanI2C::I2CPort::WIRE1) ? HW_I2C::I2C_TWO : HW_I2C::I2C_ONE);
@@ -410,6 +421,15 @@ void Screen::handleSetOn(bool on, FrameCallback einkScreensaver)
             pinMode(VTFT_LEDA, OUTPUT);
             digitalWrite(VTFT_LEDA, TFT_BACKLIGHT_ON);
 #endif
+#endif
+#ifdef USE_ST7796
+            ui->init();
+#ifdef ESP_PLATFORM
+            analogWrite(VTFT_LEDA, BRIGHTNESS_DEFAULT);
+#else
+            pinMode(VTFT_LEDA, OUTPUT);
+            digitalWrite(VTFT_LEDA, TFT_BACKLIGHT_ON);
+#endif
 #endif
             enabled = true;
             setInterval(0); // Draw ASAP
@@ -442,6 +462,21 @@ void Screen::handleSetOn(bool on, FrameCallback einkScreensaver)
             nrf_gpio_cfg_default(ST7789_NSS);
 #endif
 #endif
+#ifdef USE_ST7796
+            SPI1.end();
+#if defined(ARCH_ESP32)
+            pinMode(VTFT_LEDA, OUTPUT);
+            digitalWrite(VTFT_LEDA, LOW);
+            pinMode(ST7796_RESET, ANALOG);
+            pinMode(ST7796_RS, ANALOG);
+            pinMode(ST7796_NSS, ANALOG);
+#else
+            nrf_gpio_cfg_default(VTFT_LEDA);
+            nrf_gpio_cfg_default(ST7796_RESET);
+            nrf_gpio_cfg_default(ST7796_RS);
+            nrf_gpio_cfg_default(ST7796_NSS);
+#endif
+#endif
 
 #ifdef T_WATCH_S3
             PMU->disablePowerOutput(XPOWERS_ALDO2);
@@ -484,6 +519,10 @@ void Screen::setup()
     // Apply custom RGB color (e.g. Heltec T114/T190)
     static_cast<ST7789Spi *>(dispdev)->setRGB(TFT_MESH);
 #endif
+#if defined(USE_ST7796) && defined(TFT_MESH)
+    // Custom text color, if defined in variant.h
+    static_cast<ST7796Spi *>(dispdev)->setRGB(TFT_MESH);
+#endif
 
     // === Initialize display and UI system ===
     ui->init();
@@ -547,6 +586,8 @@ void Screen::setup()
         static_cast<TFTDisplay *>(dispdev)->flipScreenVertically();
 #elif defined(USE_ST7789)
         static_cast<ST7789Spi *>(dispdev)->flipScreenVertically();
+#elif defined(USE_ST7796)
+        static_cast<ST7796Spi *>(dispdev)->mirrorScreen();
 #else
         dispdev->flipScreenVertically();
 #endif
@@ -579,7 +620,7 @@ void Screen::setup()
             touchScreenImpl1->init();
         }
     }
-#elif HAS_TOUCHSCREEN
+#elif HAS_TOUCHSCREEN && !HAS_CST226SE
     touchScreenImpl1 =
         new TouchScreenImpl1(dispdev->getWidth(), dispdev->getHeight(), static_cast<TFTDisplay *>(dispdev)->getTouch);
     touchScreenImpl1->init();

src/graphics/Screen.h

@@ -81,6 +81,8 @@ class Screen
 #include <SSD1306Wire.h>
 #elif defined(USE_ST7789)
 #include <ST7789Spi.h>
+#elif defined(USE_ST7796)
+#include <ST7796Spi.h>
 #else
 // the SH1106/SSD1306 variant is auto-detected
 #include <AutoOLEDWire.h>

src/graphics/ScreenFonts.h

@@ -65,7 +65,7 @@
 #endif
 
 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
-     defined(ST7789_CS) || defined(USE_ST7789) || defined(HX8357_CS) || defined(ILI9488_CS)) &&                                  \
+     defined(ST7789_CS) || defined(USE_ST7789) || defined(USE_ST7796) || defined(HX8357_CS) || defined(ILI9488_CS)) &&           \
     !defined(DISPLAY_FORCE_SMALL_FONTS)
 // The screen is bigger so use bigger fonts
 #define FONT_SMALL FONT_MEDIUM_LOCAL // Height: 19

src/graphics/draw/DebugRenderer.cpp

@@ -94,7 +94,8 @@ void drawFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16
         if (!Throttle::isWithinTimespanMs(storeForwardModule->lastHeartbeat,
                                           (storeForwardModule->heartbeatInterval * 1200))) { // no heartbeat, overlap a bit
 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
-     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || ARCH_PORTDUINO) &&                \
+     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || defined(USE_ST7796) ||            \
+     ARCH_PORTDUINO) &&                                                                                                          \
     !defined(DISPLAY_FORCE_SMALL_FONTS)
             display->drawFastImage(x + SCREEN_WIDTH - 14 - display->getStringWidth(screen->ourId), y + 3 + FONT_HEIGHT_SMALL, 12,
                                    8, imgQuestionL1);
@@ -106,7 +107,7 @@ void drawFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16
 #endif
         } else {
 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
-     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS)) &&                                  \
+     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || defined(USE_ST7796)) &&           \
     !defined(DISPLAY_FORCE_SMALL_FONTS)
             display->drawFastImage(x + SCREEN_WIDTH - 18 - display->getStringWidth(screen->ourId), y + 3 + FONT_HEIGHT_SMALL, 16,
                                    8, imgSFL1);
@@ -121,7 +122,8 @@ void drawFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16
     } else {
         // TODO: Raspberry Pi supports more than just the one screen size
 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
-     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || ARCH_PORTDUINO) &&                \
+     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || defined(USE_ST7796) ||            \
+     ARCH_PORTDUINO) &&                                                                                                          \
     !defined(DISPLAY_FORCE_SMALL_FONTS)
         display->drawFastImage(x + SCREEN_WIDTH - 14 - display->getStringWidth(screen->ourId), y + 3 + FONT_HEIGHT_SMALL, 12, 8,
                                imgInfoL1);

src/graphics/draw/UIRenderer.cpp

@@ -194,7 +194,7 @@ void UIRenderer::drawNodes(OLEDDisplay *display, int16_t x, int16_t y, const mes
     }
 
 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
-     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS)) &&                                  \
+     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || defined(USE_ST7796)) &&           \
     !defined(DISPLAY_FORCE_SMALL_FONTS)
 
     if (isHighResolution) {

src/graphics/images.h

@@ -27,7 +27,8 @@ const uint8_t bluetoothConnectedIcon[36] PROGMEM = {0xfe, 0x01, 0xff, 0x03, 0x03
                                                     0xfe, 0x31, 0x00, 0x30, 0x30, 0x30, 0x30, 0x30, 0xf0, 0x3f, 0xe0, 0x1f};
 
 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
-     defined(ST7789_CS) || defined(USE_ST7789) || defined(HX8357_CS) || defined(ILI9488_CS) || ARCH_PORTDUINO) &&                \
+     defined(ST7789_CS) || defined(USE_ST7789) || defined(USE_ST7796) || defined(HX8357_CS) || defined(ILI9488_CS) ||            \
+     ARCH_PORTDUINO) &&                                                                                                          \
     !defined(DISPLAY_FORCE_SMALL_FONTS)
 const uint8_t imgQuestionL1[] PROGMEM = {0xff, 0x01, 0x01, 0x32, 0x7b, 0x49, 0x49, 0x6f, 0x26, 0x01, 0x01, 0xff};
 const uint8_t imgQuestionL2[] PROGMEM = {0x0f, 0x08, 0x08, 0x08, 0x06, 0x0f, 0x0f, 0x06, 0x08, 0x08, 0x08, 0x0f};

src/main.cpp

@@ -817,7 +817,7 @@ void setup()
     if (config.display.displaymode != meshtastic_Config_DisplayConfig_DisplayMode_COLOR) {
 
 #if defined(ST7701_CS) || defined(ST7735_CS) || defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) ||       \
-    defined(ST7789_CS) || defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS)
+    defined(ST7789_CS) || defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(USE_ST7796)
         screen = new graphics::Screen(screen_found, screen_model, screen_geometry);
 #elif defined(ARCH_PORTDUINO)
         if ((screen_found.port != ScanI2C::I2CPort::NO_I2C || settingsMap[displayPanel]) &&
@@ -1074,7 +1074,7 @@ void setup()
 // Don't call screen setup until after nodedb is setup (because we need
 // the current region name)
 #if defined(ST7701_CS) || defined(ST7735_CS) || defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) ||       \
-    defined(ST7789_CS) || defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS)
+    defined(ST7789_CS) || defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(USE_ST7796)
     if (screen)
         screen->setup();
 #elif defined(ARCH_PORTDUINO)

src/mesh/NodeDB.cpp

@@ -671,7 +671,7 @@ void NodeDB::installDefaultConfig(bool preserveKey = false)
     config.bluetooth.fixed_pin = defaultBLEPin;
 
 #if defined(ST7735_CS) || defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7789_CS) ||       \
-    defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS)
+    defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(USE_ST7796)
     bool hasScreen = true;
 #ifdef HELTEC_MESH_NODE_T114
     uint32_t st7789_id = get_st7789_id(ST7789_NSS, ST7789_SCK, ST7789_SDA, ST7789_RS, ST7789_RESET);

src/platform/extra_variants/tbeam_displayshield/variant.cpp

@@ -0,0 +1,43 @@
+#include "configuration.h"
+
+#ifdef HAS_CST226SE
+
+#include "TouchDrvCSTXXX.hpp"
+#include "input/TouchScreenImpl1.h"
+#include <Wire.h>
+
+TouchDrvCSTXXX tsPanel;
+static constexpr uint8_t PossibleAddresses[2] = {CST226SE_ADDR, CST226SE_ADDR_ALT};
+uint8_t i2cAddress = 0;
+
+bool readTouch(int16_t *x, int16_t *y)
+{
+    int16_t x_array[1], y_array[1];
+    uint8_t touched = tsPanel.getPoint(x_array, y_array, 1);
+    if (touched > 0) {
+        *y = x_array[0];
+        *x = (TFT_WIDTH - y_array[0]);
+        // Check bounds
+        if (*x < 0 || *x >= TFT_WIDTH || *y < 0 || *y >= TFT_HEIGHT) {
+            return false;
+        }
+        return true; // Valid touch detected
+    }
+    return false; // No valid touch data
+}
+
+void lateInitVariant()
+{
+    tsPanel.setTouchDrvModel(TouchDrv_CST226);
+    for (uint8_t addr : PossibleAddresses) {
+        if (tsPanel.begin(Wire, addr, I2C_SDA, I2C_SCL)) {
+            i2cAddress = addr;
+            LOG_DEBUG("CST226SE init OK at address 0x%02X", addr);
+            touchScreenImpl1 = new TouchScreenImpl1(TFT_WIDTH, TFT_HEIGHT, readTouch);
+            touchScreenImpl1->init();
+            return;
+        }
+    }
+    LOG_ERROR("CST226SE init failed at all known addresses");
+}
+#endif

variants/esp32/tbeam/platformio.ini

@@ -3,13 +3,23 @@
 extends = esp32_base
 board = ttgo-t-beam
 board_check = true
-lib_deps =
+lib_deps = ${esp32_base.lib_deps}
-  ${esp32_base.lib_deps}
+build_flags = ${esp32_base.build_flags}
-build_flags = 
-  ${esp32_base.build_flags}
   -D TBEAM_V10
   -I variants/esp32/tbeam
-  -DGPS_POWER_TOGGLE ; comment this line to disable double press function on the user button to turn off gps entirely.
+  -D GPS_POWER_TOGGLE ; comment this line to disable double press function on the user button to turn off gps entirely.
-  -DBOARD_HAS_PSRAM
+  -D BOARD_HAS_PSRAM
   -mfix-esp32-psram-cache-issue
 upload_speed = 921600
+
+[env:tbeam-displayshield]
+extends = env:tbeam
+
+build_flags =
+  ${env:tbeam.build_flags}
+  -D USE_ST7796
+
+lib_deps =
+  ${env:tbeam.lib_deps}
+  https://github.com/meshtastic/st7796/archive/refs/tags/1.0.5.zip ; display addon
+  lewisxhe/SensorLib@0.3.1 ; touchscreen addon

variants/esp32/tbeam/variant.h

@@ -42,4 +42,35 @@
 #define GPS_UBLOX
 #define GPS_RX_PIN 34
 #define GPS_TX_PIN 12
-// #define GPS_DEBUG
+// #define GPS_DEBUG
+
+// Used when the display shield is chosen
+#ifdef USE_ST7796
+
+#undef EXT_NOTIFY_OUT
+#undef LED_STATE_ON
+#undef LED_PIN
+
+#define HAS_CST226SE 1
+#define HAS_TOUCHSCREEN 1
+// #define TOUCH_IRQ 35 // broken in this version of the lib 0.3.1
+#ifndef TOUCH_IRQ
+#define TOUCH_IRQ -1
+#endif
+#define CANNED_MESSAGE_MODULE_ENABLE 1
+#define USE_VIRTUAL_KEYBOARD 1
+
+#define ST7796_NSS 25
+#define ST7796_RS 13  // DC
+#define ST7796_SDA 14 // MOSI
+#define ST7796_SCK 15
+#define ST7796_RESET 2
+#define ST7796_MISO -1
+#define ST7796_BUSY -1
+#define VTFT_LEDA 4
+#define TFT_SPI_FREQUENCY 60000000
+#define TFT_HEIGHT 222
+#define TFT_WIDTH 480
+#define BRIGHTNESS_DEFAULT 100        // Medium Low Brightness
+#define SCREEN_TRANSITION_FRAMERATE 5 // fps
+#endif