使用 DisplayControl 类(nanoFramework.UI 命名空间)就能往 LCD 屏里写入颜色。这个类公开的都是静态成员,不用实例化。 1、初始化引脚功能。由于 ESP32 的引脚是复用的,所以对于 SPI 的时钟线、数据线要设置。 Configuration.SetPinFunction(PIN_MOSI, DeviceFunction.SPI1_MOSI); Configuration.SetPinFunction(PIN_...
tft.pushImage(x, y, w, h, bitmap); // Return 1 to decode next block return 1; } void setup() { Serial.begin(115200); tft.begin(); tft.invertDisplay(1); //反转所有显示颜色:1反转,0正常 tft.setRotation(0); tft.fillScreen(0x0000); TJpgDec.setJpgScale(1); TJpgDec.setSwapBytes(...
所示。这个液晶屏通过LT esp32液晶屏 stm32 gui STemWin LCD esp32 spi 显示屏esp32 液晶屏 TFT-LCD 即薄膜晶体管液晶显示器。其英文全称为:Thin Film Transistor-Liquid Crystal Display。 TFT-LCD 与无源 TN-LCD、STN-LCD 的简单矩阵不同,它在液晶显示屏的每一个象素上都设置有一个薄膜晶体管(TFT...
# rows)// my LCD display in on Hex address 27 and is a 20x4 versionLiquidCrystal_I2C lcd(0x...
Initialize the LCD display, including setting it to horizontal display mode, clearing the screen to white, creating a new image cache, and setting the relevant parameters Perform a series of graphic drawing operations, including drawing points, lines, rectangles, circles, numbers, strings, and more...
彩色屏的使用比单色屏复杂,在软件开发时通常要借助于驱动库,本文介绍用LVGL库驱动基于ST7735控制芯片的TFT LCD显示屏。ST7735的分辨率为132x162或者128x160,我们用的显示屏是128x160的。 1.1 esp32开发板 市面上最常见的esp32开发板。 1.2 TFT LCD显示屏 ...
TFT_eSPI库移植,ESP32 + ST7789驱动TFTLCD 1,进入TFT_eSPI库文件夹,打开User_Setup_select.h,注释掉User_Setup.h头文件,同时找到适合自己屏幕的头文件,解开他的注释 2,进入TFT_eSPI库文件夹,在User_Setup.h文件中选择自己使用的驱动 3,然后还要进到Setup24_ST7789.h,完成引脚,屏幕大小更改。LCD的BLK背光控制...
Specifications: Product Specifications: - Display: 3.5-inch TFT LCD Touch Screen with 480 x 320 resolution - Memory: 16MB Flash Memory - Connectivity: WiFi, BT, BLE - MCU Module: ESP32-WROVER-B with dual-core Xtensa 32-bit LX6 MCU - Power Supply: DC 5V/2A - Operating Temperature: -20...
I (609) example: Register display driver to LVGL I (619) example: Install LVGL tick timer I (619) example: Display LVGL Meter Widget ... Troubleshooting Why the LCD doesn't light up? Check the backlight's turn-on level, and update it inEXAMPLE_LCD_BK_LIGHT_ON_LEVEL ...
= 0 void my_print(lv_log_level_t level, const char *buf) { LV_UNUSED(level); Serial.println(buf); Serial.flush(); } #endif /* LVGL calls it when a rendered image needs to copied to the display*/ void my_disp_flush(lv_display_t *disp, const lv_area_t *area, uint8_t *px...