ESP32-C3测试 简单

import time
from machine import Pin

led = Pin(5,Pin.OUT)

while True:
    led.value(1)
    time.sleep(0.1)
    led.value(0)
    time.sleep(0.1)

from ST7789 import TFT,TFTColor
from machine import SoftSPI,Pin
import time
import math

spi = SoftSPI(baudrate=20000000,
        polarity=1,
        phase=0,
        sck=Pin(0),
        mosi=Pin(1),
        miso=Pin(3))

tft=TFT(spi,aDC =6, aCS = 10, aReset = 4) # for skids
tft.initr()
tft.rgb(True)
lcd_w = 240
lcd_h = 240
  
f=open('dfrobot.bmp', 'rb')
if f.read(2) == b'BM':  #header
	dummy = f.read(8) #file size(4), creator bytes(4)
	offset = int.from_bytes(f.read(4), 'little')
	hdrsize = int.from_bytes(f.read(4), 'little')
	width = int.from_bytes(f.read(4), 'little')
	height = int.from_bytes(f.read(4), 'little')
	if int.from_bytes(f.read(2), 'little') == 1: #planes must be 1
		depth = int.from_bytes(f.read(2), 'little')
		if depth == 24 and int.from_bytes(f.read(4), 'little') == 0:#compress method == uncompressed
			print("Image size:", width, "x", height)
			rowsize = (width * 3 + 3) & ~3
			if height < 0:
				height = -height
				flip = False
			else:
				flip = True
			w, h = width, height
			if w > lcd_w: w = lcd_w
			if h > lcd_h: h = lcd_h
			tft._setwindowloc((0,0),(w - 1,h - 1))
			colorData = bytearray(2*240)
			for row in range(h):
				if flip:
					pos = offset + (height - 1 - row) * rowsize
				else:
					pos = offset + row * rowsize
				if f.tell() != pos:
					dummy = f.seek(pos)
				colorDataIndex = 0
				readBgrNum = 6
				for col in range(0,w,6):
					bgr = f.read(18)
					bgrIndex = 0
					for t in range(6):
						color = ((bgr[bgrIndex+2] & 0xF8) << 8) | ((bgr[bgrIndex+1] & 0xFC) << 3) | (bgr[bgrIndex+0] >> 3)
						colorData[colorDataIndex] = color >> 8
						colorData[colorDataIndex+1] = color
						colorDataIndex = colorDataIndex + 2
						bgrIndex = bgrIndex + 3

				tft._writedata(colorData)

import time
from machine import Pin  
import network
from umqttsimple import MQTTClient


def do_connect():
    wlan = network.WLAN(network.STA_IF)
    wlan.active(True)
    if not wlan.isconnected():
        print('connecting to network...')
        wlan.connect('wifi账户', 'wifi密码')   # 更换为自己的wifi账号密码
        i = 1
        while not wlan.isconnected():
            print("正在链接...{}".format(i))
            i += 1
            time.sleep(1)
    print('network config:', wlan.ifconfig())


def sub_cb(topic, msg): # 回调函数，收到服务器消息后会调用这个函数
    print(topic, msg)
    # ---- 添加 --------
    if topic.decode("utf-8") == "ledctl" and msg.decode("utf-8") == "on":
        led_pin.value(1)
    elif topic.decode("utf-8") == "ledctl" and msg.decode("utf-8") == "off":
        led_pin.value(0)
    # ---- 添加 --------


# 1. 联网
do_connect()

# 2. 创建mqt
c = MQTTClient("umqtt_client", "192.168.2.34",0,"siot","dfrobot")  # 建立一个MQTT客户端
c.set_callback(sub_cb)  # 设置回调函数
c.connect()  # 建立连接
c.subscribe(b"ledctl")  # 监控ledctl这个通道，接收控制命令

# ---- 添加 --------
# 3. 创建LED对应Pin对象
led_pin = Pin(5, Pin.OUT)   # 如果不是5号脚 记得要换成自己的
# ---- 添加 --------

while True:
    c.check_msg()
    time.sleep(1)