Add CYD-3248S035C Support

.github/workflows/build.yml

@@ -39,6 +39,7 @@ jobs:
           { id: cyd-e32r28t, arch: esp32 },
           { id: cyd-e32r32p, arch: esp32 },
           { id: cyd-2432s032c, arch: esp32 },
+          { id: cyd-3248s035c, arch: esp32 },
           { id: cyd-8048s043c, arch: esp32s3 },
           { id: cyd-4848s040c, arch: esp32s3 },
           { id: elecrow-crowpanel-advance-28, arch: esp32s3 },

Devices/cyd-3248s035c/CMakeLists.txt

@@ -0,0 +1,7 @@
+file(GLOB_RECURSE SOURCE_FILES Source/*.c*)
+
+idf_component_register(
+    SRCS ${SOURCE_FILES}
+    INCLUDE_DIRS "Source"
+    REQUIRES Tactility esp_lvgl_port ST7796 GT911 PwmBacklight driver vfs fatfs
+)

Devices/cyd-3248s035c/Source/Configuration.cpp

@@ -0,0 +1,34 @@
+#include "devices/Display.h"
+#include "devices/SdCard.h"
+#include <driver/gpio.h>
+
+#include <PwmBacklight.h>
+#include <Tactility/hal/Configuration.h>
+
+using namespace tt::hal;
+
+static bool initBoot() {
+    //Set the RGB Led Pins to output and turn them off
+    ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_4, GPIO_MODE_OUTPUT)); //Red
+    ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_16, GPIO_MODE_OUTPUT)); //Green
+    ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_17, GPIO_MODE_OUTPUT)); //Blue
+
+    //0 on, 1 off... yep it's backwards.
+    ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_4, 1)); //Red
+    ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_16, 1)); //Green
+    ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_17, 1)); //Blue
+
+    return driver::pwmbacklight::init(LCD_PIN_BACKLIGHT);
+}
+
+static DeviceVector createDevices() {
+    return {
+        createDisplay(),
+        createSdCard()
+    };
+}
+
+extern const Configuration hardwareConfiguration = {
+    .initBoot = initBoot,
+    .createDevices = createDevices
+};

Devices/cyd-3248s035c/Source/devices/Display.cpp

@@ -0,0 +1,36 @@
+#include "Display.h"
+
+#include <Gt911Touch.h>
+#include <PwmBacklight.h>
+#include <St7796Display.h>
+
+static std::shared_ptr<tt::hal::touch::TouchDevice> createTouch() {
+    auto configuration = std::make_unique<Gt911Touch::Configuration>(
+        I2C_NUM_0,
+        LCD_HORIZONTAL_RESOLUTION,
+        LCD_VERTICAL_RESOLUTION
+    );
+
+    return std::make_shared<Gt911Touch>(std::move(configuration));
+}
+
+std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay() {
+    auto touch = createTouch();
+    auto configuration = std::make_unique<St7796Display::Configuration>(
+        LCD_SPI_HOST,
+        LCD_PIN_CS,
+        LCD_PIN_DC,
+        LCD_HORIZONTAL_RESOLUTION,
+        LCD_VERTICAL_RESOLUTION,
+        touch,
+        false,
+        true,
+        false,
+        false
+    );
+
+    configuration->backlightDutyFunction = driver::pwmbacklight::setBacklightDuty;
+
+    auto display = std::make_shared<St7796Display>(std::move(configuration));
+    return std::reinterpret_pointer_cast<tt::hal::display::DisplayDevice>(display);
+}

Devices/cyd-3248s035c/Source/devices/Display.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "Display.h"
+
+#include <Tactility/hal/display/DisplayDevice.h>
+#include <memory>
+#include <driver/gpio.h>
+#include <driver/spi_common.h>
+
+// Display backlight (PWM)
+constexpr auto LCD_PIN_BACKLIGHT = GPIO_NUM_27;
+
+// Display
+constexpr auto LCD_SPI_HOST = SPI2_HOST;
+constexpr auto LCD_PIN_CS = GPIO_NUM_15;
+constexpr auto LCD_PIN_DC = GPIO_NUM_2;
+constexpr auto LCD_HORIZONTAL_RESOLUTION = 320;
+constexpr auto LCD_VERTICAL_RESOLUTION = 480;
+constexpr auto LCD_BUFFER_HEIGHT = LCD_VERTICAL_RESOLUTION / 10;
+constexpr auto LCD_BUFFER_SIZE = LCD_HORIZONTAL_RESOLUTION * LCD_BUFFER_HEIGHT;
+
+std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay();

Devices/cyd-3248s035c/Source/devices/SdCard.cpp

@@ -0,0 +1,31 @@
+#include "SdCard.h"
+
+#include <tactility/device.h>
+#include <Tactility/hal/sdcard/SpiSdCardDevice.h>
+
+constexpr auto SDCARD_SPI_HOST = SPI3_HOST;
+constexpr auto SDCARD_PIN_CS = GPIO_NUM_5;
+
+using tt::hal::sdcard::SpiSdCardDevice;
+
+std::shared_ptr<SdCardDevice> createSdCard() {
+    auto configuration = std::make_unique<SpiSdCardDevice::Config>(
+        SDCARD_PIN_CS,
+        GPIO_NUM_NC,
+        GPIO_NUM_NC,
+        GPIO_NUM_NC,
+        SdCardDevice::MountBehaviour::AtBoot,
+        nullptr,
+        std::vector<gpio_num_t>(),
+        SDCARD_SPI_HOST
+    );
+
+    auto* spi_controller = device_find_by_name("spi1");
+    check(spi_controller, "spi1 not found");
+
+    return std::make_shared<SpiSdCardDevice>(
+        std::move(configuration),
+        spi_controller
+    );
+}
+

Devices/cyd-3248s035c/Source/devices/SdCard.h

@@ -0,0 +1,8 @@
+#pragma once
+
+#include <Tactility/hal/sdcard/SdCardDevice.h>
+
+using tt::hal::sdcard::SdCardDevice;
+
+std::shared_ptr<SdCardDevice> createSdCard();
+

Devices/cyd-3248s035c/Source/module.cpp

@@ -0,0 +1,23 @@
+#include <tactility/module.h>
+
+extern "C" {
+
+static error_t start() {
+    // Empty for now
+    return ERROR_NONE;
+}
+
+static error_t stop() {
+    // Empty for now
+    return ERROR_NONE;
+}
+
+struct Module cyd_3248s035c_module = {
+    .name = "cyd-3248s035c",
+    .start = start,
+    .stop = stop,
+    .symbols = nullptr,
+    .internal = nullptr
+};
+
+}

Devices/cyd-3248s035c/cyd,3248s035c.dts

@@ -0,0 +1,58 @@
+/dts-v1/;
+
+#include <tactility/bindings/root.h>
+#include <tactility/bindings/esp32_gpio.h>
+#include <tactility/bindings/esp32_i2c.h>
+#include <tactility/bindings/esp32_spi.h>
+#include <tactility/bindings/esp32_uart.h>
+
+/ {
+	compatible = "root";
+	model = "CYD 3248S035C";
+
+	gpio0 {
+		compatible = "espressif,esp32-gpio";
+		gpio-count = <40>;
+	};
+
+	i2c_internal: i2c0 {
+		compatible = "espressif,esp32-i2c";
+		port = <I2C_NUM_0>;
+		clock-frequency = <400000>;
+		pin-sda = <&gpio0 33 GPIO_FLAG_NONE>;
+		pin-scl = <&gpio0 32 GPIO_FLAG_NONE>;
+	};
+
+	// CN1 header
+	i2c_external: i2c1 {
+		compatible = "espressif,esp32-i2c";
+		port = <I2C_NUM_1>;
+		clock-frequency = <400000>;
+		pin-sda = <&gpio0 21 GPIO_FLAG_NONE>;
+		pin-scl = <&gpio0 22 GPIO_FLAG_NONE>;
+	};
+
+	display_spi: spi0 {
+		compatible = "espressif,esp32-spi";
+		host = <SPI2_HOST>;
+		pin-mosi = <&gpio0 13 GPIO_FLAG_NONE>;
+		pin-sclk = <&gpio0 14 GPIO_FLAG_NONE>;
+	};
+
+	sdcard_spi: spi1 {
+		compatible = "espressif,esp32-spi";
+		host = <SPI3_HOST>;
+		pin-mosi = <&gpio0 23 GPIO_FLAG_NONE>;
+		pin-miso = <&gpio0 19 GPIO_FLAG_NONE>;
+		pin-sclk = <&gpio0 18 GPIO_FLAG_NONE>;
+	};
+
+	// CN1 header, JST SH 1.25, GND / IO22 / IO21 / 3.3V
+	uart1 {
+		compatible = "espressif,esp32-uart";
+		status = "disabled";
+		port = <UART_NUM_1>;
+		pin-tx = <&gpio0 22 GPIO_FLAG_NONE>;
+		pin-rx = <&gpio0 21 GPIO_FLAG_NONE>;
+	};
+};

Devices/cyd-3248s035c/device.properties

@@ -0,0 +1,19 @@
+[general]
+vendor=CYD
+name=3248S035C
+
+[apps]
+launcherAppId=Launcher
+
+[hardware]
+target=ESP32
+flashSize=4MB
+spiRam=false
+
+[display]
+size=3.5"
+shape=rectangle
+dpi=165
+
+[lvgl]
+colorDepth=16

Devices/cyd-3248s035c/devicetree.yaml

@@ -0,0 +1,3 @@
+dependencies:
+- Platforms/platform-esp32
+dts: cyd,3248s035c.dts