Files
temperature/platformio.ini
DESKTOP-PUHFO60\dsx2016 83b1bdc5f7 Fix 3.5" black screen: drive backlight on GPIO27, not GPIO21.
GPIO21 is GT911 INT on 3248S035C; PWM on the wrong pin left the panel dark.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-10-25 10:34:00 +08:00

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; CYD ESP32-2432S028R <20>?LVGL 温湿度仪表盘
; DHT11 DATA -> GPIO22
[platformio]
default_envs = cyd_28r
[env]
platform = espressif32@6.9.0
board = esp32dev
framework = arduino
monitor_speed = 115200
upload_speed = 921600
board_build.partitions = min_spiffs.csv
lib_deps =
lvgl/lvgl@9.2.2
bodmer/TFT_eSPI@2.5.43
https://github.com/PaulStoffregen/XPT2046_Touchscreen.git
beegee-tokyo/DHT sensor library for ESPx@^1.19
extra_scripts = pre:scripts/exclude_lvgl_asm.py
build_flags =
-D CORE_DEBUG_LEVEL=0
-D USER_SETUP_LOADED=1
-D USE_HSPI_PORT=1
-D ILI9341_2_DRIVER=1
-D TFT_WIDTH=240
-D TFT_HEIGHT=320
-D TFT_MISO=12
-D TFT_MOSI=13
-D TFT_SCLK=14
-D TFT_CS=15
-D TFT_DC=2
-D TFT_RST=-1
-D TFT_BL=21
-D TFT_BACKLIGHT_ON=HIGH
-D SPI_FREQUENCY=40000000
-D SPI_READ_FREQUENCY=20000000
-D LOAD_GLCD=1
-D LOAD_FONT2=0
-D LOAD_FONT4=0
-D LOAD_FONT6=0
-D LOAD_FONT7=0
-D LOAD_FONT8=0
-D LOAD_GFXFF=0
-D SMOOTH_FONT=0
-D TOUCH_CS=-1
-D LV_CONF_INCLUDE_SIMPLE=1
-I include
; 标准 CYD 2.8" 电阻<E794B5>?(ILI9341)
[env:cyd_28r]
build_flags =
${env.build_flags}
; 颜色反相版本(若画面色偏/发白可改用此环境<E78EAF>?
[env:cyd_28r_inv]
build_flags =
${env.build_flags}
-D TFT_INVERSION_ON=1
; USB-C 双口 / 7789 变体
[env:cyd_28_st7789]
build_flags =
${env.build_flags}
-U ILI9341_2_DRIVER
-D ST7789_DRIVER=1
-D TFT_RGB_ORDER=TFT_BGR
-D TFT_INVERSION_ON=1
; Optional 3.5" CYD ESP32-3248S035C (ST7796 + GT911 capacitive). Default remains cyd_28r.
; Build: pio run -e cyd_35r
; Keep TOUCH_CS=-1 — GPIO33 is GT911 SDA, not resistive touch CS.
; TFT_BL=GPIO27 (not 21 — 21 is GT911 INT on C boards).
[env:cyd_35r]
lib_deps =
lvgl/lvgl@9.2.2
bodmer/TFT_eSPI@2.5.43
beegee-tokyo/DHT sensor library for ESPx@^1.19
build_flags =
${env.build_flags}
-UILI9341_2_DRIVER
-DST7796_DRIVER=1
-UTFT_WIDTH
-UTFT_HEIGHT
-DTFT_WIDTH=320
-DTFT_HEIGHT=480
-UTFT_BL
-DTFT_BL=27
-DCYD_BOARD_3248S035=1
-DSUPPORT_TRANSACTIONS
-DTFT_RGB_ORDER=TFT_BGR
-ULV_MEM_SIZE
-DLV_MEM_SIZE=32768