Micropython 合宙ESP32 C3 st7789 使用工具PCtoLCD2002制作字模

一、目的

        这一节我们学习如何使用合宙的ESP32 C3开发板控制1.3寸彩色TFT显示屏模块，分辨率240*240，SPI接口，ST7789驱动芯片。

二、环境

        ESP32  C3 + Thonny + 1.3寸 st7789液晶屏模块 + 几根杜邦线 + Win10

接线方法：

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Micropython开发ESP32开发板之合宙ESP32 C3开发板通过串口SPI控制st7789 TFT液晶屏1.3寸

取模软件PCtoLCD2002.exe，获得“元旦快乐”四个汉字的字模。使用方法大家百度下，或者看我前面文章，也有介绍。

软件下载地址：

链接: https://pan.baidu.com/s/1mHZANIGNZ1a67Plv31_eFQ 提取码: srkp

首先使用工具PCtoLCD2002制作字模，设置如下：

然后将制作好的字模放到下面这个font.py文件中：

font.py

class Chine:

    chine = [

                0x00,0x40,0x40,0x40,0x40,0x40,0xC0,0x00,0x00,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,

                0x00,0x04,0x18,0xE0,0xC0,0x3F,0x00,0xE0,0x1F,0x02,0xF2,0x02,0x02,0x1E,0x06,0x00,

                0x00,0x00,0xC0,0x38,0x07,0x78,0xC0,0x00,0x00,0xFC,0x03,0x7C,0x80,0x00,0x00,0x00,

                0x00,0x06,0x01,0x00,0x00,0x20,0x11,0x0C,0x03,0x00,0x00,0x00,0x07,0x1C,0x10,0x00,#欢0#

                0x00,0x00,0x18,0xE0,0x00,0x00,0xE0,0x20,0x10,0x1C,0xC0,0x80,0x80,0xC0,0x00,0x00,

                0x00,0x20,0x20,0xF9,0x00,0x00,0xFF,0x00,0x00,0x00,0xFF,0x00,0x00,0xFF,0x00,0x00,

                0x00,0x00,0x00,0xFF,0x00,0x00,0x3F,0x08,0x04,0x02,0xFF,0x10,0x10,0x3F,0x00,0x00,

                0x00,0x0E,0x03,0x00,0x03,0x04,0x08,0x18,0x18,0x18,0x1B,0x18,0x18,0x18,0x08,0x00,#迎1#

                0x00,0x00,0x80,0x80,0x80,0x80,0x80,0xFC,0x88,0x80,0x80,0x80,0x80,0xC0,0x00,0x00,

                0x00,0x00,0x00,0x02,0x1C,0x78,0x00,0xFF,0x00,0x80,0x60,0x1C,0x04,0x80,0x80,0x00,

                0x00,0x01,0x01,0x01,0x81,0xE1,0x1D,0xFF,0x01,0x1F,0x61,0x81,0x01,0x01,0x01,0x00,

                0x00,0x20,0x18,0x04,0x03,0x00,0x00,0x7F,0x00,0x00,0x00,0x01,0x07,0x0E,0x0C,0x00,#来2#

                0x00,0x10,0x10,0x10,0x90,0xF0,0x10,0x10,0x18,0x00,0x40,0x80,0x00,0xF4,0x08,0x00,

                0x00,0x00,0x70,0x2C,0x23,0xD0,0x10,0x16,0x78,0x00,0xFF,0x00,0x00,0xFF,0x00,0x00,

                0x00,0x08,0x08,0x08,0x08,0xFF,0x08,0x08,0x0C,0x00,0xFF,0x00,0x00,0xFF,0x00,0x00,

                0x00,0x10,0x18,0x18,0x08,0x07,0x04,0x02,0x02,0x00,0x00,0x10,0x30,0x7F,0x00,0x00,#到3#

                0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFC,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

                0x00,0x00,0xFF,0x02,0x02,0x02,0x02,0xFF,0x02,0x02,0x02,0x02,0x02,0xFF,0x00,0x00,

                0x00,0x00,0x1F,0x04,0x04,0x04,0x04,0xFF,0x04,0x04,0x04,0x04,0x04,0x1F,0x00,0x00,

                0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,#中4#

                0x00,0x00,0xFC,0x08,0x88,0x88,0x88,0x88,0x88,0x88,0x88,0xC8,0x08,0xFC,0x00,0x00,

                0x00,0x00,0xFF,0x00,0x00,0x40,0x40,0xFF,0x40,0x40,0x60,0x40,0x01,0xFF,0x00,0x00,

                0x00,0x00,0xFF,0x40,0x80,0x80,0x80,0xFF,0x80,0x81,0x9E,0xE0,0x80,0xFF,0x00,0x00,

                0x00,0x00,0x3F,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x3F,0x00,0x00,#国5#

            ]

中文显示代码：

from machine import Pin,SPI,PWM

from font import Chine

import st7789py

import time

import vga2_bold_16x32 as font

blk = PWM(Pin(8),duty = 500,freq = 1024) #PWM设置背光灯亮度 duty = 0-1024

spi = SPI(1,baudrate = 80_000_000,polarity = 1,sck = Pin(2),mosi = Pin(3),miso = None)

tft = st7789py.ST7789(spi,240,240,reset = Pin(10,Pin.OUT),dc = Pin(6,Pin.OUT),cs = None,backlight = None,rotation = 0)#rotation 方向0-4方位

tft.fill(st7789py.color565(0,0,0))

#16*32字体显示函数 

def ByteOpera16x32(num,dat):

  byte= [0x01,0x02,0x04,0x8,0x10,0x20,0x40,0x80]

  if dat&byte[num]:

    return 1

  else:

    return 0       #n字符，x宽度，y高度，r,g,b 565编码颜色

def LcdShowCh_16x32(n, x_axis, y_axis,r,g,b):

  for i in range(4): 

    for a in range(16): 

      for b in range(8):

        if(ByteOpera16x32(b,Chine.chine[n*64+i*16+a])): 

          tft.pixel(x_axis+a,y_axis+i*8+b,st7789py.color565(r,g,b)) #改变括号里数值可以改变字体颜色

        else:

          tft.pixel(x_axis+a,y_axis+i*8+b,st7789py.color565(0,0,0))

#主函数          

def main():

    for i in range(6):

        LcdShowCh_16x32(i,72+16*i,0,255,0,255)

    tft.hline(0,40,240,st7789py.color565(0,255,0))

    tft.hline(0,45,240,st7789py.color565(255,0,0))

    tft.text(font,"Welcome China!",0,72,st7789py.color565(0,255,255),st7789py.color565(0,0,0))

    tft.text(font,"ST7789",0,104,st7789py.color565(255,0,255),st7789py.color565(0,0,0))

    tft.text(font,"TFT - 240*240",0,136,st7789py.color565(255,255,0),st7789py.color565(0,0,0))

    while True:

        for i in range(10000000):   

            #1/字体选择，2/字符，3/宽度，4/高度，5/字体颜色，6/背景色

            tft.text(font,"%.8d"%i,100,208,st7789py.color565(255,255,255),st7789py.color565(0,0,0))

            time.sleep_ms(50)

if __name__ == "__main__":

    main()

显示效果：

来源：https://blog.csdn.net/zhusongziye/article/details/129347036?spm=1001.2014.3001.5501