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micropython esp32s3 LVGL 2.8寸SPI串口TFT液晶显示屏模块ILI9341驱动高清LCD触摸屏240*320 显示二维码


import lvgl as lv
import time
from espidf import VSPI_HOST
from ili9XXX import ili9488, LANDSCAPE
from xpt2046 import xpt2046
import esp32
from micropython import const
import fs_driver
from machine import Pin
import onewire, ds18x20
import machine
machine.freq(240000000)
led = Pin(18, Pin.OUT)
led.value(1)
# ------------------------------ 屏幕初始化操作 --start------------------------
# 屏幕宽高
WIDTH = 320
HEIGHT = 240
# 创建显示屏对象
disp = ili9488(miso=13, mosi=5, clk=4, cs=17, dc=16, rst=15, power=-1, backlight=-1, rot=LANDSCAPE,
spihost=VSPI_HOST, mhz=20, factor=16, hybrid=True, width=WIDTH, height=HEIGHT,
invert=False, double_buffer=True, half_duplex=False, initialize=True)
# 创建触摸屏对象
#touch = xpt2046(cs=10, spihost=VSPI_HOST, mosi=-1, miso=-1, clk=-1, cal_y0 = 423, cal_y1=3948)
# ------------------------------ 屏幕初始化操作 --stop------------------------
# 1. 创建显示screen对象。将需要显示的组件添加到这个screen才能显示
scr = lv.obj() # scr====> screen 屏幕
scr = lv.scr_act()
scr.clean()
#color
dark = lv.color_hex(0x000000)
light_dark = lv.color_hex(0x2c2c2c)
white = lv.color_hex(0xffffff)
light_green = lv.color_hex(0x097abb)
scr.set_style_bg_color(dark, 0)
# 2. 封装的需要显示的按钮
class CounterBtn():
def __init__(self, scr):
bg_color = lv.palette_lighten(lv.PALETTE.LIGHT_BLUE, 5)
fg_color = lv.palette_darken(lv.PALETTE.BLUE, 4)
qr = lv.qrcode(scr)
qr.set_size(200)
qr.set_dark_color(fg_color)
qr.set_light_color(bg_color)
# 二维码的内容
data = "https://item.taobao.com/item.htm?id=654970386170&ft=t"
qr.update(data,len(data))
qr.center()
# 添加带颜色的边框
qr.set_style_border_color(bg_color, 0)
qr.set_style_border_width(8, 0)
# 3. 创建按钮
counterBtn = CounterBtn(scr)
# 4. 显示screen对象中的内容
lv.scr_load(scr)
# ------------------------------ 看门狗,用来重启ESP32设备 --start------------------------
try:
from machine import WDT
wdt = WDT(timeout=1000) # enable it with a timeout of 2s
print("提示: 按下Ctrl+C结束程序")
while True:
wdt.feed()
time.sleep(0.9)
except KeyboardInterrupt as ret:
print("程序停止运行,ESP32已经重启...")
# ------------------------------ 看门狗,用来重启ESP32设备 --stop-------------------------本DEMO使用的固件为:lv_micropython_esps3n16r8_color32.bin
固件下载:链接: https://pan.baidu.com/s/1AKUFMRKYRgMnvw8jnJirGQ
提取码: tgya 复制这段内容后打开百度网盘手机App,操作更方便哦
屏幕模块淘宝链接:https://item.taobao.com/item.htm?id=654970386170&ft=t
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执行时间: 0.0094149112701416 seconds