Arduino +合宙ESP32C3 +1.8/1.44 寸TFT液晶屏驱动显示

Arduino IDE找不到ESP32C3的请看我前面那篇文章《合宙ESP32C3 Arduino 初探教程》，当然也可以参考其他优秀的文章，来搭建esp32C3。

合宙ESP32C3配合合宙的1.8寸TFT液晶屏屏幕

引脚定义

#define TFT_SCLK 2  // Clock out
#define TFT_MOSI 3  // Data out
#define TFT_RST  10
#define TFT_DC   6
#define TFT_CS   7
#define TFT_BL   11  （可不接）

从上面的两张图的引脚分布和LCD屏幕引脚定义正好是相对应的。可以直接对插。
如果是买的合体的，那么只需要修改setup函数中的屏幕初始化函数：tft.initR(INITR_144GREENTAB);启用这个，注释掉原1.8的屏幕的初始化函数tft.initR(INITR_BLACKTAB); 即可点亮。

所需库

Adafruit_GFX：
Adafruit_BusIO：
Adafruit_ST7735_and_ST7789_Library：

驱动代码

/*所需库点击这里会自动打开管理库页面: http://librarymanager/All#Adafruit_BusIO* This is an example sketch that shows how to toggle the display
* on and off at runtime to avoid screen burn-in.
*
* The sketch also demonstrates how to erase a previous value by re-drawing the
* older value in the screen background color prior to writing a new value in
* the same location. This avoids the need to call fillScreen() to erase the
* entire screen followed by a complete redraw of screen contents.
*
* Originally written by Phill Kelley. BSD license.
* Adapted for ST77xx by Melissa LeBlanc-Williams
*/#include <Adafruit_GFX.h>    //点击这里会自动打开管理库页面: http://librarymanager/All#Adafruit_GFX
#include <Adafruit_ST7735.h> // 点击这里会自动打开管理库页面: http://librarymanager/All#Adafruit_ST7735
//#include <Adafruit_ST7789.h> // Hardware-specific library for ST7789
#include <SPI.h>#ifdef ADAFRUIT_HALLOWING#define TFT_CS        7 // Hallowing display control pins: chip select#define TFT_RST       10 // Display reset#define TFT_DC        6 // Display data/command select#define TFT_BACKLIGHT  11 // Display backlight pin#elif defined(ARDUINO_FEATHER_ESP32) // Feather Huzzah32#define TFT_SCLK 2  // Clock out
#define TFT_MOSI 3  // Data out
#define TFT_RST  10
#define TFT_DC   6
#define TFT_CS   7
#define TFT_BL   11  #elif defined(ESP8266)#define TFT_CS         4#define TFT_RST        16                                            #define TFT_DC         5#else// For the breakout board, you can use any 2 or 3 pins.// These pins will also work for the 1.8" TFT shield.#define TFT_CS        7#define TFT_RST        10 // Or set to -1 and connect to Arduino RESET pin#define TFT_DC         6
#endif#define SerialDebugging true// OPTION 1 (recommended) is to use the HARDWARE SPI pins, which are unique
// to each board and not reassignable. For Arduino Uno: MOSI = pin 11 and
// SCLK = pin 13. This is the fastest mode of operation and is required if
// using the breakout board's microSD card.// For 1.44" and 1.8" TFT with ST7735 (including HalloWing) use:
//Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_RST);// For 1.3", 1.54", and 2.0" TFT with ST7789:
//Adafruit_ST7789 tft = Adafruit_ST7789(TFT_CS, TFT_DC, TFT_RST);// OPTION 2 lets you interface the display using ANY TWO or THREE PINS,
// tradeoff being that performance is not as fast as hardware SPI above.
#define TFT_MOSI 3  // Data out
#define TFT_SCLK 2  // Clock out
Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_MOSI, TFT_SCLK, TFT_RST);// connect a push button between ground and...
const uint8_t   Button_pin              = 4;// color definitions
const uint16_t  Display_Color_Black        = 0x0000;    //黑色
const uint16_t  Display_Color_Red          = 0x001F;    //红色
const uint16_t  Display_Color_Blue         = 0xF800;    //蓝色
const uint16_t  Display_Color_Green        = 0x07E0;    //绿色
const uint16_t  Display_Color_Yellow       = 0x07FF;    //黄色
const uint16_t  Display_Color_Magenta      = 0xF81F;    //洋红
const uint16_t  Display_Color_Cyan         = 0xFFE0;    //青色
const uint16_t  Display_Color_White        = 0xFFFF;    //白色// The colors we actually want to use
uint16_t        Display_Text_Color         = Display_Color_Black;
uint16_t        Display_Backround_Color    = Display_Color_Yellow;// assume the display is off until configured in setup()
bool            isDisplayVisible        = false;// declare size of working string buffers. Basic strlen("d hh:mm:ss") = 10
const size_t    MaxString               = 16;// the string being displayed on the SSD1331 (initially empty)
char oldTimeString[MaxString]           = { 0 };// the interrupt service routine affects this
volatile bool   isButtonPressed         = false;// interrupt service routine
void senseButtonPressed() {if (!isButtonPressed) {isButtonPressed = true;}
}void displayUpTime() {// calculate seconds, truncated to the nearest whole secondunsigned long upSeconds = millis() / 1000;// calculate days, truncated to nearest whole dayunsigned long days = upSeconds / 86400;// the remaining hhmmss areupSeconds = upSeconds % 86400;// calculate hours, truncated to the nearest whole hourunsigned long hours = upSeconds / 3600;// the remaining mmss areupSeconds = upSeconds % 3600;// calculate minutes, truncated to the nearest whole minuteunsigned long minutes = upSeconds / 60;// the remaining ss areupSeconds = upSeconds % 60;// allocate a bufferchar newTimeString[MaxString] = { 0 };// construct the string representationsprintf(newTimeString,"%lu %02lu:%02lu:%02lu",days, hours, minutes, upSeconds);// has the time string changed since the last tft update?if (strcmp(newTimeString,oldTimeString) != 0) {// yes! home the cursortft.setCursor(10,80);   //(列，行)// change the text color to the background colortft.setTextColor(Display_Backround_Color);// redraw the old value to erasetft.print(oldTimeString);// home the cursortft.setCursor(10,80);// change the text color to foreground colortft.setTextColor(Display_Text_Color);// draw the new time valuetft.print(newTimeString);// and remember the new valuestrcpy(oldTimeString,newTimeString);}
}void setup() {// button press pulls pin LOW so configure HIGHpinMode(Button_pin,INPUT_PULLUP);// use an interrupt to sense when the button is pressedattachInterrupt(digitalPinToInterrupt(Button_pin), senseButtonPressed, FALLING);#if (SerialDebugging)Serial.begin(115200); while (!Serial); Serial.println();#endif// settling timedelay(250);// ignore any power-on-reboot garbageisButtonPressed = false;#ifdef ADAFRUIT_HALLOWING// HalloWing is a special case. It uses a ST7735R display just like the// breakout board, but the orientation and backlight control are different.tft.initR(INITR_HALLOWING);        // Initialize HalloWing-oriented screenpinMode(TFT_BACKLIGHT, OUTPUT);digitalWrite(TFT_BACKLIGHT, HIGH); // Backlight on#else// Use this initializer if using a 1.8" TFT screen:128x160tft.initR(INITR_BLACKTAB);      // Init ST7735S chip, black tab// OR use this initializer (uncomment) if using a 1.44" TFT://tft.initR(INITR_144GREENTAB); // Init ST7735R chip, green tab// OR use this initializer (uncomment) if using a 0.96" 180x60 TFT:// tft.initR(INITR_MINI160x80);  // Init ST7735S mini display// OR use this initializer (uncomment) if using a 1.54" 240x240 TFT://tft.init(240, 240);           // Init ST7789 240x240// OR use this initializer (uncomment) if using a 2.0" 320x240 TFT://tft.init(240, 320);           // Init ST7789 320x240// SPI speed defaults to SPI_DEFAULT_FREQ defined in the library, you can override it here// Note that speed allowable depends on chip and quality of wiring, if you go too fast, you// may end up with a black screen some times, or all the time.//tft.setSPISpeed(40000000);#endif// initialise the displaytft.setFont();tft.fillScreen(Display_Backround_Color);tft.setTextColor(Display_Text_Color);tft.setTextSize(1);// the display is now onisDisplayVisible = true;}void loop() {// unconditional display, regardless of whether display is visibledisplayUpTime();// has the button been pressed?if (isButtonPressed) {// yes! toggle display visibilityisDisplayVisible = !isDisplayVisible;// applytft.enableDisplay(isDisplayVisible);#if (SerialDebugging)Serial.print("button pressed @ ");Serial.print(millis());Serial.print(", display is now ");Serial.println((isDisplayVisible ? "ON" : "OFF"));#endif// confirm button handledisButtonPressed = false;}// no need to be in too much of a hurrydelay(100);}

编译信息

使用 1.10.10  版本的库 Adafruit_GFX 在文件夹： C:\Users\Administrator\Documents\Arduino\libraries\Adafruit_GFX
使用 1.7.3  版本的库 Adafruit_ST7735_and_ST7789_Library 在文件夹： C:\Users\Administrator\Documents\Arduino\libraries\Adafruit_ST7735_and_ST7789_Library
使用 2.0.0  版本的库 SPI 在文件夹： C:\Users\Administrator\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.6\libraries\SPI
使用 1.11.6  版本的库 Adafruit_BusIO-master 在文件夹： C:\Program Files (x86)\Arduino\libraries\Adafruit_BusIO-master
使用 2.0.0  版本的库 Wire 在文件夹： C:\Users\Administrator\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.6\libraries\Wire
"C:\\Users\\Administrator\\AppData\\Local\\Arduino15\\packages\\esp32\\hardware\\esp32\\1.0.6/tools/riscv32-esp-elf/bin/riscv32-esp-elf-size" -A "d:\\arduino\\MyHexDir/luatos_LCD.ino.elf"
项目使用了 250174 字节，占用了 (19%) 程序存储空间。最大为 1310720 字节。
全局变量使用了11356字节，(3%)的动态内存，余留316324字节局部变量。最大为327680字节。

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Arduino +合宙ESP32C3 +1.8/1.44 寸TFT液晶屏驱动显示

Arduino +合宙ESP32C3 +1.8/1.44 寸TFT液晶屏驱动显示

合宙ESP32C3配合合宙的1.8寸TFT液晶屏屏幕

引脚定义

所需库

驱动代码

Arduino +合宙ESP32C3 +1.8/1.44 寸TFT液晶屏驱动显示相关推荐

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