T-Deck Max & Pro support updates (#582)
- Created kernel driver for T-Deck Max & Pro display (needs work, doesn't refresh reliably on T-Deck Pro) - Created T-Deck Pro device implementation (incubating)
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Ken Van Hoeylandt
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GitHub
GitHub
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429125734a
commit
29e80cfd65
@@ -3,5 +3,5 @@ file(GLOB_RECURSE SOURCE_FILES source/*.c*)
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idf_component_register(
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SRCS ${SOURCE_FILES}
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INCLUDE_DIRS "source"
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REQUIRES Tactility GDEQ031T10 driver
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REQUIRES TactilityKernel
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)
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@@ -1,6 +1,6 @@
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general.vendor=LilyGO
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general.name=T-Deck Max
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# SD card support is not yet working; remove once it is functional.
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# SD card support is not yet working, display driver is untested since refactoring; remove once it is functional.
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general.incubating=true
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apps.launcherAppId=Launcher
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@@ -18,14 +18,17 @@ hardware.bluetooth=true
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# Internal until the SD card is verified working on this board; switch to SD then.
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storage.userDataLocation=Internal
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dependencies.useDeprecatedHal=false
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display.size=3.1"
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display.shape=rectangle
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display.dpi=128
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# The GDEQ031T10 e-paper is monochrome, but its driver renders via
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# LV_COLOR_FORMAT_I1 on its own display. The global LVGL color depth must stay
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# at 16: esp_lvgl_port refuses to compile with LV_COLOR_DEPTH_1 set.
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lvgl.colorDepth=16
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lvgl.colorDepth=8
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# Monochrome theme: the default colour theme renders accent-coloured UI that
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# thresholds to invisible on a 1bpp panel (enables CONFIG_LV_USE_THEME_MONO).
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lvgl.theme=Mono
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cdn.warningMessage=Display not reliably working. Use at your own risk.
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sdkconfig.CONFIG_LV_THEME_DEFAULT_TRANSITION_TIME=0
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@@ -2,6 +2,7 @@ dependencies:
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- Platforms/platform-esp32
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- Drivers/xl9555-module
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- Drivers/cst66xx-module
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- Drivers/gdeq031t10-module
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- Drivers/tca8418-module
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- Drivers/sy6970-module
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- Drivers/bq27220-module
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@@ -11,6 +11,7 @@
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#include <tactility/bindings/pwm_backlight.h>
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#include <bindings/xl9555.h>
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#include <bindings/cst66xx.h>
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#include <bindings/gdeq031t10.h>
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#include <bindings/tca8418.h>
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#include <bindings/sy6970.h>
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#include <bindings/bq27220.h>
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@@ -143,6 +144,17 @@
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// exceeds the default ~4 KB transfer limit. Raise the bus limit to fit it.
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max-transfer-size = <65536>;
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display@0 {
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compatible = "gooddisplay,gdeq031t10";
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pin-dc = <&gpio0 35 GPIO_FLAG_NONE>;
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pin-reset = <&gpio0 9 GPIO_FLAG_NONE>;
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pin-busy = <&gpio0 37 GPIO_FLAG_NONE>;
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clock-speed-hz = <10000000>;
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// Default to a fast (~1s) refresh for the automatic ghost-clears so the
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// full-screen flash they cause is as short as possible.
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refresh-mode = <GDEQ031T10_REFRESH_FAST>;
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};
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sdcard@1 {
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compatible = "espressif,esp32-sdspi";
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status = "disabled";
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@@ -1,35 +0,0 @@
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#include "devices/Display.h"
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#include <Tactility/hal/Configuration.h>
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#include <tactility/check.h>
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#include <tactility/device.h>
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#include <tactility/drivers/esp32_spi.h>
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using namespace tt::hal;
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static bool initBoot() {
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// The LoRa and SD chip-selects share the EPD's SPI bus but aren't wired up
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// yet. spi0's start() already drives every cs-gpio high during kernel init;
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// re-assert deselection before the EPD driver first transacts, as a cheap
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// guard against either chip latching stray EPD command bytes (same pattern
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// as the esp32_sdspi mount path).
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auto* spi0 = device_find_by_name("spi0");
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check(spi0 != nullptr);
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esp32_spi_deselect_all_cs(spi0);
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return true;
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}
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static DeviceVector createDevices() {
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// Touch, keyboard and battery/charging are kernel drivers (cst66xx, tca8418, sy6970,
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// bq27220 - see the .dts), started independently of this HAL layer. Only the EPD
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// display remains on the deprecated HAL.
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return DeviceVector {
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createDisplay()
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};
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}
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extern const Configuration hardwareConfiguration = {
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.initBoot = initBoot,
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.createDevices = createDevices
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};
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@@ -1,29 +0,0 @@
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#include "Display.h"
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#include <Gdeq031t10Display.h>
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// Pins from Xinyuan-LilyGO/T-Deck-MAX's lib/TDeckMaxBoard/src/TDeckMaxBoard.h and docs/pinmap.md.
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constexpr auto EPD_SPI_HOST = SPI2_HOST;
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constexpr auto EPD_PIN_CS = GPIO_NUM_34;
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constexpr auto EPD_PIN_DC = GPIO_NUM_35;
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constexpr auto EPD_PIN_RST = GPIO_NUM_9;
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constexpr auto EPD_PIN_BUSY = GPIO_NUM_37;
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std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay() {
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// Touch is a kernel driver (hynitron,cst66xx - see the .dts), discovered and fed to LVGL
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// independently of this display, so no touch device is passed into the configuration here.
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auto configuration = std::make_unique<Gdeq031t10Display::Configuration>(
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EPD_SPI_HOST,
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EPD_PIN_CS,
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EPD_PIN_DC,
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EPD_PIN_RST,
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EPD_PIN_BUSY,
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nullptr,
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10'000'000,
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// Default to a fast (~1s) refresh for the automatic ghost-clears so the
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// full-screen flash they cause is as short as possible.
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Gdeq031t10Display::RefreshMode::Fast
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);
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return std::make_shared<Gdeq031t10Display>(std::move(configuration));
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}
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@@ -1,5 +0,0 @@
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#pragma once
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#include <Tactility/hal/display/DisplayDevice.h>
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std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay();
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@@ -0,0 +1,7 @@
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file(GLOB_RECURSE SOURCE_FILES source/*.c*)
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idf_component_register(
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SRCS ${SOURCE_FILES}
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INCLUDE_DIRS "source"
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REQUIRES TactilityKernel
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)
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@@ -0,0 +1,33 @@
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general.vendor=LilyGO
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general.name=T-Deck Pro
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# The display driver is not reliable yet
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general.incubating=true
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apps.launcherAppId=Launcher
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hardware.target=ESP32S3
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hardware.flashSize=16MB
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hardware.flashMode=DIO
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hardware.spiRam=true
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hardware.spiRamMode=AUTO
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hardware.spiRamSpeed=80M
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hardware.tinyUsb=true
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hardware.esptoolFlashFreq=80M
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hardware.bluetooth=true
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storage.userDataLocation=SD
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dependencies.useDeprecatedHal=false
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display.size=3.1"
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display.shape=rectangle
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display.dpi=128
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lvgl.colorDepth=8
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# Monochrome theme: the default colour theme renders accent-coloured UI that
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# thresholds to invisible on a 1bpp panel (enables CONFIG_LV_USE_THEME_MONO).
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lvgl.theme=Mono
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cdn.warningMessage=Only for hardware revision 1.0! Display not reliably working. Use at your own risk.
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sdkconfig.CONFIG_LV_THEME_DEFAULT_TRANSITION_TIME=0
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@@ -0,0 +1,8 @@
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dependencies:
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- Platforms/platform-esp32
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- Drivers/cst328-module
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- Drivers/gdeq031t10-module
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- Drivers/tca8418-module
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- Drivers/sy6970-module
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- Drivers/bq25896-module
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dts: lilygo,tdeck-pro.dts
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@@ -0,0 +1,138 @@
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/dts-v1/;
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#include <tactility/bindings/root.h>
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#include <tactility/bindings/esp32_ble.h>
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#include <tactility/bindings/esp32_wifi_pinned.h>
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#include <tactility/bindings/esp32_gpio.h>
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#include <tactility/bindings/esp32_i2c_master.h>
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#include <tactility/bindings/esp32_spi.h>
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#include <tactility/bindings/esp32_sdspi.h>
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#include <tactility/bindings/esp32_pwm_ledc.h>
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#include <tactility/bindings/pwm_backlight.h>
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#include <bindings/cst328.h>
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#include <bindings/gdeq031t10.h>
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#include <bindings/tca8418.h>
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#include <bindings/bq25896.h>
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// Reference for V1.0 (not V1.1!): https://github.com/Xinyuan-LilyGO/T-Deck-Pro/tree/HD-V1-250326
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// lib/TDeckMaxBoard/src/TDeckMaxBoard.h, docs/pinmap.md
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/ {
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compatible = "root";
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model = "LilyGO T-Deck Pro";
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wifi0 {
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compatible = "espressif,esp32-wifi-pinned";
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status = "disabled";
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};
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ble0 {
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compatible = "espressif,esp32-ble";
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};
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gpio0 {
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compatible = "espressif,esp32-gpio";
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gpio-count = <49>;
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};
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i2c0 {
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compatible = "espressif,esp32-i2c-master";
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port = <I2C_NUM_0>;
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clock-frequency = <100000>;
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pin-sda = <&gpio0 13 GPIO_FLAG_NONE>;
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pin-scl = <&gpio0 14 GPIO_FLAG_NONE>;
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touch {
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compatible = "hynitron,cst328";
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reg = <0x1A>;
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pin-reset = <&gpio0 45 GPIO_FLAG_NONE>;
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};
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// TCA8418 4x10 matrix scanner. Keymaps are written in the vendor's row/column
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// orientation (Xinyuan-LilyGO/T-Deck-MAX examples/factory/peri_keypad.cpp); the
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// TCA8418 columns are wired in reverse of that order, hence reverse-columns.
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// ALT (shift/uppercase) is row 2 col 0; SYM (symbol layer) is row 3 col 8.
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keyboard {
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compatible = "ti,tca8418";
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reg = <0x34>;
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rows = <4>;
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columns = <10>;
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reverse-columns;
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keymap-lc = [
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113 119 101 114 116 121 117 105 111 112 // q w e r t y u i o p
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97 115 100 102 103 104 106 107 108 8 // a s d f g h j k l BACKSPACE
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0 122 120 99 118 98 110 109 36 10 // z x c v b n m $ ENTER
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0 0 0 0 0 11 48 32 0 9 // PREV 0 SPC NEXT
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];
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keymap-uc = [
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81 87 69 82 84 89 85 73 79 80 // Q W E R T Y U I O P
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65 83 68 70 71 72 74 75 76 8 // A S D F G H J K L BACKSPACE
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0 90 88 67 86 66 78 77 36 10 // Z X C V B N M $ ENTER
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0 0 0 0 0 11 48 32 0 9 // PREV 0 SPC NEXT
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];
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keymap-sy = [
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49 50 51 52 53 54 55 56 57 48 // 1 2 3 4 5 6 7 8 9 0
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64 35 43 45 42 47 40 41 95 8 // @ # + - * / ( ) _ BACKSPACE
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0 33 63 59 58 39 34 44 46 10 // ! ? ; : ' " , . ENTER
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0 0 0 0 0 11 48 32 0 9 // PREV 0 SPC NEXT
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];
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shift-row = <2>;
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shift-col = <0>;
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sym-row = <3>;
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sym-col = <8>;
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};
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bq27220 {
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compatible = "ti,bq25896";
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reg = <0x6B>;
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};
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};
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// Keyboard backlight (LED_PWM), GPIO42. The keypress-triggered flash/decay effect
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// from the pre-migration driver isn't reproduced here - kernel drivers don't have a
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// home for that kind of UI policy (same reasoning as the touch driver's dropped bezel
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// keys). Off by default; app code can drive brightness via the generic pwm-backlight
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// API if desired.
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keyboard_backlight_pwm {
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compatible = "espressif,esp32-pwm-ledc";
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pin = <&gpio0 42 GPIO_FLAG_NONE>;
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period-ns = <33333>;
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ledc-timer = <0>;
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ledc-channel = <0>;
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};
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keyboard_backlight {
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compatible = "pwm-backlight";
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status = "disabled";
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pwm = <&keyboard_backlight_pwm>;
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};
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spi0 {
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compatible = "espressif,esp32-spi";
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host = <SPI2_HOST>;
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cs-gpios = <&gpio0 34 GPIO_FLAG_NONE>, // 0: EPD display
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<&gpio0 48 GPIO_FLAG_NONE>, // 1: SD card
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<&gpio0 3 GPIO_FLAG_NONE>; // 2: LoRa radio (SX1262, not wired up yet)
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pin-mosi = <&gpio0 33 GPIO_FLAG_NONE>;
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pin-miso = <&gpio0 47 GPIO_FLAG_NONE>;
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pin-sclk = <&gpio0 36 GPIO_FLAG_NONE>;
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// The EPD pushes its whole 9600-byte framebuffer in one SPI write, which
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// exceeds the default ~4 KB transfer limit. Raise the bus limit to fit it.
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max-transfer-size = <65536>;
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display@0 {
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compatible = "gooddisplay,gdeq031t10";
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pin-dc = <&gpio0 35 GPIO_FLAG_NONE>;
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pin-busy = <&gpio0 37 GPIO_FLAG_NONE>;
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clock-speed-hz = <10000000>;
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// Default to a fast (~1s) refresh for the automatic ghost-clears so the
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// full-screen flash they cause is as short as possible.
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refresh-mode = <GDEQ031T10_REFRESH_FAST>;
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};
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sdcard@1 {
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compatible = "espressif,esp32-sdspi";
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status = "disabled";
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frequency-khz = <20000>;
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};
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};
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};
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@@ -0,0 +1,9 @@
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#include <tactility/module.h>
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extern "C" {
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struct Module lilygo_tdeck_pro_module = {
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.name = "lilygo-tdeck-pro"
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};
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}
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