BigTreeTech Panda Touch / K Touch (#402)

.github/workflows/build-firmware.yml

@@ -43,7 +43,8 @@ jobs:
           { id: waveshare-s3-touch-lcd-43, arch: esp32s3 },
           { id: waveshare-s3-touch-lcd-147, arch: esp32s3 },
           { id: waveshare-s3-touch-lcd-128, arch: esp32s3 },
-          { id: waveshare-s3-lcd-13, arch: esp32s3 }
+          { id: waveshare-s3-lcd-13, arch: esp32s3 },
+          { id: btt-panda-touch, arch: esp32s3 }
         ]
     runs-on: ubuntu-latest
     steps:

.gitignore

@@ -18,6 +18,7 @@ managed_components/
 dependencies.lock
 
 .vscode/
+*.code-workspace
 .gitpod.yml
 
 sdkconfig.board.*.dev

Boards/btt-panda-touch/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 esp_lcd RgbDisplay GT911 PwmBacklight driver vfs fatfs
+)

Boards/btt-panda-touch/Source/Configuration.cpp

@@ -0,0 +1,69 @@
+#include <PwmBacklight.h>
+#include "devices/Display.h"
+
+#include <Tactility/hal/Configuration.h>
+#include <driver/gpio.h>
+#include <freertos/FreeRTOS.h>
+#include <freertos/task.h>
+
+using namespace tt::hal;
+
+static bool initBoot() {
+    //Display Reset
+    ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_46, GPIO_MODE_OUTPUT));
+    ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_46, 0));
+    vTaskDelay(pdMS_TO_TICKS(100));
+    ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_46, 1));
+    vTaskDelay(pdMS_TO_TICKS(10));
+
+    return driver::pwmbacklight::init(GPIO_NUM_21);
+}
+
+static DeviceVector createDevices() {
+    return {
+        createDisplay()
+    };
+}
+
+extern const Configuration hardwareConfiguration = {
+    .initBoot = initBoot,
+    .createDevices = createDevices,
+    .i2c = {
+        //Touch
+        i2c::Configuration {
+            .name = "Internal",
+            .port = I2C_NUM_0,
+            .initMode = i2c::InitMode::ByTactility,
+            .isMutable = true,
+            .config = (i2c_config_t) {
+                .mode = I2C_MODE_MASTER,
+                .sda_io_num = GPIO_NUM_2,
+                .scl_io_num = GPIO_NUM_1,
+                .sda_pullup_en = true,
+                .scl_pullup_en = true,
+                .master = {
+                    .clk_speed = 400000
+                },
+                .clk_flags = 0
+            }
+        },
+        //Rear header, JST PH 2.0, SDA IO4 / SCL IO3 / GND / 3.3V
+        i2c::Configuration {
+            .name = "External",
+            .port = I2C_NUM_1,
+            .initMode = i2c::InitMode::Disabled,
+            .isMutable = true,
+            .config = (i2c_config_t) {
+                .mode = I2C_MODE_MASTER,
+                .sda_io_num = GPIO_NUM_4,
+                .scl_io_num = GPIO_NUM_3,
+                .sda_pullup_en = false,
+                .scl_pullup_en = false,
+                .master = {
+                    .clk_speed = 400000
+                },
+                .clk_flags = 0
+            }
+        }
+    }
+};

Boards/btt-panda-touch/Source/devices/Display.cpp

@@ -0,0 +1,104 @@
+#include "Display.h"
+
+#include <Gt911Touch.h>
+#include <PwmBacklight.h>
+#include <RgbDisplay.h>
+#include <Tactility/Log.h>
+
+std::shared_ptr<tt::hal::touch::TouchDevice> _Nullable createTouch() {
+    // Note for future changes: Reset pin is 41 and interrupt pin is 40
+    auto configuration = std::make_unique<Gt911Touch::Configuration>(
+        I2C_NUM_0,
+        800,
+        480
+    );
+
+    return std::make_shared<Gt911Touch>(std::move(configuration));
+}
+
+std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay() {
+    auto touch = createTouch();
+
+    constexpr uint32_t bufferPixels = 800 * 10;
+
+    esp_lcd_rgb_panel_config_t rgb_panel_config = {
+        .clk_src = LCD_CLK_SRC_DEFAULT,
+        .timings = {
+            .pclk_hz = 14000000,
+            .h_res = 800,
+            .v_res = 480,
+            .hsync_pulse_width = 4,
+            .hsync_back_porch = 8,
+            .hsync_front_porch = 8,
+            .vsync_pulse_width = 4,
+            .vsync_back_porch = 16,
+            .vsync_front_porch = 16,
+            .flags = {
+                .hsync_idle_low = false,
+                .vsync_idle_low = false,
+                .de_idle_high = false,
+                .pclk_active_neg = true,
+                .pclk_idle_high = true
+            }
+        },
+        .data_width = 16,
+        .bits_per_pixel = 0,
+        .num_fbs = 2,
+        .bounce_buffer_size_px = bufferPixels,
+        .sram_trans_align = 8,
+        .psram_trans_align = 64,
+        .hsync_gpio_num = GPIO_NUM_NC,
+        .vsync_gpio_num = GPIO_NUM_NC,
+        .de_gpio_num = GPIO_NUM_38,
+        .pclk_gpio_num = GPIO_NUM_5,
+        .disp_gpio_num = GPIO_NUM_NC,
+        .data_gpio_nums = {
+            GPIO_NUM_17, // B
+            GPIO_NUM_18, // B
+            GPIO_NUM_48, // B
+            GPIO_NUM_47, // B
+            GPIO_NUM_39, // B
+            GPIO_NUM_11, // G
+            GPIO_NUM_12, // G
+            GPIO_NUM_13, // G
+            GPIO_NUM_14, // G
+            GPIO_NUM_15, // G
+            GPIO_NUM_16, // G
+            GPIO_NUM_6, // R
+            GPIO_NUM_7, // R
+            GPIO_NUM_8, // R
+            GPIO_NUM_9, // R
+            GPIO_NUM_10, // R
+        },
+        .flags = {
+            .disp_active_low = false,
+            .refresh_on_demand = false,
+            .fb_in_psram = true,
+            .double_fb = true,
+            .no_fb = false,
+            .bb_invalidate_cache = false
+        }
+    };
+
+    RgbDisplay::BufferConfiguration buffer_config = {
+        .size = (800 * 480),
+        .useSpi = true,
+        .doubleBuffer = true,
+        .bounceBufferMode = true,
+        .avoidTearing = false
+    };
+
+    auto configuration = std::make_unique<RgbDisplay::Configuration>(
+        rgb_panel_config,
+        buffer_config,
+        touch,
+        LV_COLOR_FORMAT_RGB565,
+        false,
+        false,
+        false,
+        false,
+        driver::pwmbacklight::setBacklightDuty
+    );
+
+    return std::make_shared<RgbDisplay>(std::move(configuration));
+}

Boards/btt-panda-touch/Source/devices/Display.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <Tactility/hal/display/DisplayDevice.h>
+
+std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay();

Firmware/Kconfig

@@ -71,6 +71,8 @@ menu "Tactility App"
             bool "Waveshare ESP32 S3 Touch LCD 1.28"
         config TT_BOARD_WAVESHARE_S3_LCD_13
             bool "Waveshare ESP32 S3 LCD 1.3"
+        config TT_BOARD_BTT_PANDA_TOUCH
+            bool "BigTreeTech Panda Touch"
         help
             Select a board/hardware configuration.
             Use TT_BOARD_CUSTOM if you will manually configure the board in your project.

sdkconfig.board.btt-panda-touch

@@ -0,0 +1,63 @@
+# Software defaults
+# Increase stack size for WiFi (fixes crash after scan)
+CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=3072
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=6144
+CONFIG_LV_FONT_MONTSERRAT_14=y
+CONFIG_LV_FONT_MONTSERRAT_18=y
+CONFIG_LV_USE_USER_DATA=y
+CONFIG_LV_USE_FS_STDIO=y
+CONFIG_LV_FS_STDIO_LETTER=65
+CONFIG_LV_FS_STDIO_PATH=""
+CONFIG_LV_FS_STDIO_CACHE_SIZE=4096
+CONFIG_LV_USE_LODEPNG=y
+CONFIG_LV_USE_BUILTIN_MALLOC=n
+CONFIG_LV_USE_CLIB_MALLOC=y
+CONFIG_LV_USE_MSGBOX=n
+CONFIG_LV_USE_SPINNER=n
+CONFIG_LV_USE_WIN=n
+CONFIG_LV_USE_SNAPSHOT=y
+CONFIG_FREERTOS_HZ=1000
+CONFIG_FREERTOS_TASK_NOTIFICATION_ARRAY_ENTRIES=2
+CONFIG_FREERTOS_SMP=n
+CONFIG_FREERTOS_UNICORE=n
+CONFIG_FREERTOS_TIMER_TASK_STACK_DEPTH=5120
+CONFIG_FREERTOS_USE_TRACE_FACILITY=y
+CONFIG_FATFS_LFN_HEAP=y
+CONFIG_FATFS_VOLUME_COUNT=3
+CONFIG_FATFS_SECTOR_512=y
+CONFIG_WL_SECTOR_SIZE_512=y
+CONFIG_WL_SECTOR_SIZE=512
+CONFIG_WL_SECTOR_MODE_SAFE=y
+CONFIG_WL_SECTOR_MODE=1
+CONFIG_MBEDTLS_SSL_PROTO_TLS1_3=y
+
+# Hardware: Main
+CONFIG_PARTITION_TABLE_CUSTOM=y
+CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions-16mb.csv"
+CONFIG_PARTITION_TABLE_FILENAME="partitions-16mb.csv"
+CONFIG_COMPILER_OPTIMIZATION_PERF=y
+CONFIG_IDF_EXPERIMENTAL_FEATURES=y
+CONFIG_TT_BOARD_BTT_PANDA_TOUCH=y
+CONFIG_TT_BOARD_NAME="BigTreeTech Panda Touch"
+CONFIG_TT_BOARD_ID="btt-panda-touch"
+CONFIG_IDF_TARGET="esp32s3"
+CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ_240=y
+CONFIG_ESP32_DEFAULT_CPU_FREQ_240=y
+CONFIG_ESPTOOLPY_FLASHSIZE_16MB=y
+CONFIG_FLASHMODE_QIO=y
+# Hardware: SPI RAM
+CONFIG_ESP32S3_SPIRAM_SUPPORT=y
+CONFIG_SPIRAM_MODE_OCT=y
+CONFIG_SPIRAM_FETCH_INSTRUCTIONS=y
+CONFIG_SPIRAM_RODATA=y
+CONFIG_SPIRAM_XIP_FROM_PSRAM=y
+CONFIG_ESP32S3_DATA_CACHE_LINE_64B=y
+CONFIG_SPIRAM_SPEED_120M=y
+CONFIG_SPIRAM_USE_MALLOC=y
+CONFIG_SPIRAM_TRY_ALLOCATE_WIFI_LWIP=y
+# SPI Flash
+CONFIG_ESPTOOLPY_FLASHFREQ_120M=y
+# LVGL
+CONFIG_LV_DISP_DEF_REFR_PERIOD=10
+CONFIG_LV_DPI_DEF=139
+CONFIG_LV_THEME_DEFAULT_DARK=y