# MicroPython+ESP32 C3+ST7735S LCD屏 WIFI联网并显示时间
**Repository Path**: whltaoin_admin/MP_ESP32_ST7735S-
## Basic Information
- **Project Name**: MicroPython+ESP32 C3+ST7735S LCD屏 WIFI联网并显示时间
- **Description**: MicroPython+ESP32 C3+ST7735S LCD屏 WIFI联网并显示时间
- **Primary Language**: Python
- **License**: MulanPSL-2.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No
## Statistics
- **Stars**: 5
- **Forks**: 1
- **Created**: 2024-06-20
- **Last Updated**: 2025-09-14
## Categories & Tags
**Categories**: Uncategorized
**Tags**: None
## README
案例地址：[https://gitee.com/whltaoin_admin/MP_ESP32_ST7735S-](https://gitee.com/whltaoin_admin/MP_ESP32_ST7735S-)
# 展示效果
# TFT LCD模块参数介绍
1. 名称：1.8 128*160 RGB_TFT
2. 驱动芯片：ST7735S
# ESP32 C3 参数介绍（经典款）
1. 外观及引脚分布
# 接线
| LCD屏接口 | 功能 | ESP32 C3 对应连接引脚 |
| --- | --- | --- |
| GND | 电源（接地） | GND |
| VCC | 电源（正极3.3V） | 3.3V |
| SCL | SPI时钟线（与单片机SPI_CLK对接） | IO02 |
| SDA | SPI数据线（与单片机SPI_MOSI对接） | IO03 |
| RES | 复位 | IO10 |
| DC | 数据/命令 | IO06 |
| CS | SPI片选 | IO07 |
| BL | 背光控制开发，默认可不接 | IO08 |
# 项目初始化
### 一、项目结构
```shell
boot.py：用于连接WIFI,打印初始化信息等。
font.bmf: 文字库
st7735.py: ST7735驱动
test.py: 测试效果文件
ufont.py: 字体文件
```
### 二、st7735.py
```python
"""
使用方法(以合宙ESP32C3为例):
from machine import SPI, Pin
from st7735 import ST7735
spi = SPI(1, 30000000, sck=Pin(2), mosi=Pin(3))
ST7735(spi, rst=10, dc=6, cs=7, bl=11, width=160, height=80, rotate=1) # 直插横屏显示
ST7735(spi, rst=10, dc=6, cs=7, bl=11, width=160, height=80, rotate=0) # 直插竖屏显示
"""
import gc
import time
import math
import machine
import framebuf
from micropython import const
SWRESET = const(0x01)
SLPOUT = const(0x11)
NORON = const(0x13)
INVOFF = const(0x20)
DISPON = const(0x29)
CASET = const(0x2A)
RASET = const(0x2B)
RAMWR = const(0x2C)
MADCTL = const(0x36)
COLMOD = const(0x3A)
FRMCTR1 = const(0xB1)
FRMCTR2 = const(0xB2)
FRMCTR3 = const(0xB3)
INVCTR = const(0xB4)
PWCTR1 = const(0xC0)
PWCTR2 = const(0xC1)
PWCTR3 = const(0xC2)
PWCTR4 = const(0xC3)
PWCTR5 = const(0xC4)
VMCTR1 = const(0xC5)
GMCTRP1 = const(0xE0)
GMCTRN1 = const(0xE1)
ROTATIONS = [0x00,0x60] # 只给了两个旋转方向
def color(r, g, b):
i = (((b & 0xF8) << 8) | ((g & 0xFC) << 3) | (r >> 3)).to_bytes(2, "little")
return (i[0] << 8) + i[1]
RED = color(255, 0, 0)
GREEN = color(0, 255, 0)
BLUE = color(0, 0, 255)
WHITE = color(255, 255, 255)
BLACK = color(0, 0, 0)
class ST7735(framebuf.FrameBuffer):
def __init__(self, spi, rst, dc, cs, bl=None, width=None, height=None, offset=None, rotate=1, rgb=True):
"""
:param spi:
:param rst:
:param dc:
:param cs: 使能
:param bl: 背光
:param width: 宽度
:param height: 高度
:param offset: 偏移 (x, y): (23, -1)|(-1, 23)
:param rotate: 旋转 0 横屏 1 竖屏
:param rgb: RGB 色彩模式
"""
# 根据方向自动设置偏移
self.rotate = rotate
self.offset = offset
self.rgb = rgb
if offset is None and rotate == 1:
self.offset = (-1, 23)
elif offset is None and rotate == 0:
self.offset = (23, -1)
self.width = width
self.height = height
self.spi = spi
self.rst = machine.Pin(rst, machine.Pin.OUT, machine.Pin.PULL_DOWN)
self.dc = machine.Pin(dc, machine.Pin.OUT, machine.Pin.PULL_DOWN)
self.cs = machine.Pin(cs, machine.Pin.OUT, machine.Pin.PULL_DOWN)
if bl is not None:
self.bl = machine.PWM(machine.Pin(bl))
gc.collect()
self.buffer = bytearray(self.height * self.width * 2)
super().__init__(self.buffer, self.width, self.height, framebuf.RGB565)
self.init()
self.set_windows()
self.clear()
def set_windows(self, x_start=None, y_start=None, x_end=None, y_end=None):
"""
设置窗口
:return:
"""
x_start = (x_start + self.offset[0] + 1) if x_start is not None else (self.offset[0] + 1)
x_end = x_end + self.rotate + self.offset[0] if x_end is not None else self.width + self.rotate + \
self.offset[0]
y_start = y_start + self.offset[1] + 1 if y_start is not None else self.offset[1] + 1
y_end = y_end + self.rotate + self.offset[1] if y_end is not None else self.height + self.rotate + \
self.offset[1]
self.write_cmd(CASET)
self.write_data(bytearray([0x00, x_start, 0x00, x_end]))
self.write_cmd(RASET)
self.write_data(bytearray([0x00, y_start, 0x00, y_end]))
self.write_cmd(RAMWR)
def init(self):
self.reset()
self.write_cmd(SWRESET)
time.sleep_us(150)
self.write_cmd(SLPOUT)
time.sleep_us(300)
self.write_cmd(FRMCTR1)
self.write_data(bytearray([0x01, 0x2C, 0x2D]))
self.write_cmd(FRMCTR2)
self.write_data(bytearray([0x01, 0x2C, 0x2D]))
self.write_cmd(FRMCTR3)
self.write_data(bytearray([0x01, 0x2C, 0x2D, 0x01, 0x2C, 0x2D]))
time.sleep_us(10)
self.write_cmd(INVCTR)
self.write_data(bytearray([0x07]))
self.write_cmd(PWCTR1)
self.write_data(bytearray([0xA2, 0x02, 0x84]))
self.write_cmd(PWCTR2)
self.write_data(bytearray([0xC5]))
self.write_cmd(PWCTR3)
self.write_data(bytearray([0x0A, 0x00]))
self.write_cmd(PWCTR4)
self.write_data(bytearray([0x8A, 0x2A]))
self.write_cmd(PWCTR5)
self.write_data(bytearray([0x8A, 0xEE]))
self.write_cmd(VMCTR1)
self.write_data(bytearray([0x0E]))
self.write_cmd(INVOFF)
self.write_cmd(MADCTL)
self.write_data(bytearray([ROTATIONS[self.rotate] | 0x00 if self.rgb else 0x08]))
self.write_cmd(COLMOD)
self.write_data(bytearray([0x05]))
self.write_cmd(GMCTRP1)
self.write_data(
bytearray([0x02, 0x1c, 0x07, 0x12, 0x37, 0x32, 0x29, 0x2d, 0x29, 0x25, 0x2b, 0x39, 0x00, 0x01, 0x03, 0x10]))
self.write_cmd(GMCTRN1)
self.write_data(
bytearray([0x03, 0x1d, 0x07, 0x06, 0x2e, 0x2c, 0x29, 0x2d, 0x2e, 0x2e, 0x37, 0x3f, 0x00, 0x00, 0x02, 0x10]))
self.write_cmd(NORON)
time.sleep_us(10)
self.write_cmd(DISPON)
time.sleep_us(100)
self.cs(1)
def reset(self):
"""
设备重置
:return:
"""
self.rst(1)
time.sleep(0.2)
self.rst(0)
time.sleep(0.2)
self.rst(1)
time.sleep(0.2)
def write_cmd(self, cmd):
self.dc(0)
self.cs(0)
self.spi.write(bytearray([cmd]))
self.cs(1)
def write_data(self, buf):
self.dc(1)
self.cs(0)
self.spi.write(buf)
self.cs(1)
def back_light(self, value):
"""
背光调节
:param value: 背光���级 0 ~ 256
:return:
"""
self.bl.freq(1000)
if value >= 0xff:
value = 0xff
data = value * 0xffff >> 8
self.bl.duty_u16(data)
def clear(self):
"""
清屏
:return:
"""
self.fill(0)
self.show()
def show(self):
"""
显示
:return:
"""
self.set_windows() # 如果没有这行就会偏移
self.write_data(self.buffer)
def circle(self, center, radius, c=color(255, 255, 255), section=100):
"""
画圆
:param c: 颜色
:param center: 中心(x, y)
:param radius: 半径
:param section: 分段
:return:
"""
arr = []
for m in range(section + 1):
x = round(radius * math.cos((2 * math.pi / section) * m - math.pi) + center[0])
y = round(radius * math.sin((2 * math.pi / section) * m - math.pi) + center[1])
arr.append([x, y])
for i in range(len(arr) - 1):
self.line(*arr[i], *arr[i + 1], c)
def image(self, file_name):
with open(file_name, "rb") as bmp:
for b in range(0, 80 * 160 * 2, 1024):
self.buffer[b:b + 1024] = bmp.read(1024)
self.show()
```
### 三、ufont.py
```python
__version__ = 3
import time
import struct
import framebuf
DEBUG = False
def timeit(f, *args, **kwargs):
try:
myname = str(f).split(' ')[1]
except:
myname = "UNKONW"
def new_func(*args, **kwargs):
if DEBUG:
try:
t = time.ticks_us()
result = f(*args, **kwargs)
delta = time.ticks_diff(time.ticks_us(), t)
print('Function {} Time = {:6.3f}ms'.format(myname, delta / 1000))
except AttributeError:
t = time.perf_counter_ns()
result = f(*args, **kwargs)
delta = time.perf_counter_ns() - t
print('Function {} Time = {:6.3f}ms'.format(myname, delta / 1000000))
return result
else:
return f(*args, **kwargs)
return new_func
class BMFont:
@staticmethod
def _list_to_byte(arr):
b = 0
for a in arr:
b = (b << 1) + a
return bytes([b])
@timeit
def _bit_list_to_byte_data(self, bit_list):
"""将点阵转换为字节数据
Args:
bit_list:
Returns:
"""
byte_data = b''
for _col in bit_list:
for i in range(0, len(_col), 8):
byte_data += self._list_to_byte(_col[i:i + 8])
return byte_data
@timeit
def __init__(self, font_file):
self.font_file = font_file
self.font = open(font_file, "rb", buffering=0xff)
self.bmf_info = self.font.read(16)
if self.bmf_info[0:2] != b"BM":
raise TypeError("字体文件格式不正确: " + font_file)
self.version = self.bmf_info[2]
if self.version != 3:
raise TypeError("字体文件版本不正确: " + str(self.version))
self.map_mode = self.bmf_info[3] # 映射方式
self.start_bitmap = struct.unpack(">I", b'\x00' + self.bmf_info[4:7])[0] # 位图开始字节
self.font_size = self.bmf_info[7] # 字体大小
self.bitmap_size = self.bmf_info[8] # 点阵所占字节
@timeit
def _to_bit_list(self, byte_data, font_size, *, _height=None, _width=None):
"""将字节数据转��为点阵数据
Args:
byte_data: 字节数据
font_size: 字号大小
_height: 字体原高度
_width: 字体原宽度
Returns:
"""
_height = _height or self.font_size
_width = _width or self.bitmap_size // self.font_size * 8
new_bitarray = [[0 for j in range(font_size)] for i in range(font_size)]
for _col in range(len(new_bitarray)):
for _row in range(len(new_bitarray[_col])):
_index = int(_col / (font_size / _height)) * _width + int(_row / (font_size / _width))
new_bitarray[_col][_row] = byte_data[_index // 8] >> (7 - _index % 8) & 1
return new_bitarray
@timeit
def _color_render(self, bit_list, color):
"""将二值点阵图像转换为 RGB565 彩色字节图像
Args:
bit_list:
color:
Returns:
"""
color_array = b""
for _col in range(len(bit_list)):
for _row in range(len(bit_list)):
color_array += struct.pack("H", self.font.read(2))[0]
if word_code == target_code:
return (mid - 16) >> 1
elif word_code < target_code:
end = mid - 2
else:
start = mid + 2
return -1
@timeit
def get_bitmap(self, word):
"""获取点阵图
Args:
word: 字符
Returns:
bytes 字符点阵
"""
index = self._get_index(word)
if index == -1:
return b'\xff\xff\xff\xff\xff\xff\xff\xff\xf0\x0f\xcf\xf3\xcf\xf3\xff\xf3\xff\xcf\xff?\xff?\xff\xff\xff' \
b'?\xff?\xff\xff\xff\xff'
self.font.seek(self.start_bitmap + index * self.bitmap_size, 0)
return self.font.read(self.bitmap_size)
@timeit
def text(self, display, string, x, y, color=1, *, font_size=None, reverse=False, clear=False, show=False,
half_char=True, auto_wrap=False, **kwargs):
"""通过显示屏显示文字
使用此函数显示文字，必须先确认显示对象是否继承与 framebuf.FrameBuffer。
如果显示对象没有 clear 方法，需要自行调用 fill 清屏
Args:
display: 显示实例
string: 字符串
x: 字体左上角 x 轴
y: 字体左上角 y 轴
color: 颜色
font_size: 字号
reverse: 是否反转背景
clear: 是否清��之前显示的内容
show: 是否立刻显示
half_char: 是否半字节显示 ASCII 字符
auto_wrap: 自动换行
**kwargs:
Returns:
None
"""
font_size = font_size or self.font_size
initial_x = x
# 清屏
try:
display.clear() if clear else 0
except AttributeError:
print("请自行调用 display.fill(*) 清屏")
for char in range(len(string)):
# 是否自动换行
if auto_wrap:
if auto_wrap and ((x + font_size // 2 >= 128 and ord(string[char]) < 128 and half_char) or
(x + font_size >= 128 and (not half_char or ord(string[char]) > 128))):
y += font_size
x = initial_x
# 回车
if string[char] == '\n':
y += font_size
x = initial_x
continue
# Tab
elif string[char] == '\t':
x = ((x // font_size) + 1) * font_size + initial_x % font_size
continue
# 其它的控制字符不显示
elif ord(string[char]) < 16:
continue
# 超过范围的字符不会显示*
if x > 160 or y > 80:
continue
byte_data = list(self.get_bitmap(string[char]))
# 反���
if reverse:
for _pixel in range(len(byte_data)):
byte_data[_pixel] = ~byte_data[_pixel] & 0xff
# 缩放和色彩*
if color > 1 or font_size != self.font_size:
bit_data = self._to_bit_list(byte_data, font_size)
if color > 1:
display.blit(
framebuf.FrameBuffer(bytearray(self._color_render(bit_data, color)), font_size, font_size,
framebuf.RGB565), x, y)
else:
display.blit(
framebuf.FrameBuffer(bytearray(self._bit_list_to_byte_data(bit_data)), font_size, font_size,
framebuf.MONO_HLSB), x, y)
else:
display.blit(framebuf.FrameBuffer(bytearray(byte_data), font_size, font_size, framebuf.MONO_HLSB), x, y)
# 英文字符半格显示
if ord(string[char]) < 128 and half_char:
x += font_size // 2
else:
x += font_size
display.show() if show else 0
def char(self, char, color=1, font_size=None, reverse=False):
""" 获取字体字��数据
在没有继承 framebuf.FrameBuffer 的显示驱动,或者内存不足以将一整个屏幕载入缓存帧时
可以直接获取单字的字节数据,局部更新
Args:
char: 单个字符
color: 颜色
font_size: 字体大小
reverse: 反转
Returns:
bytearray
"""
font_size = font_size or self.font_size
byte_data = list(self.get_bitmap(char))
# 反转
if reverse:
for _pixel in range(len(byte_data)):
byte_data[_pixel] = ~byte_data[_pixel] & 0xff
if color > 1 or font_size != self.font_size:
bit_data = self._to_bit_list(byte_data, font_size)
if color > 1:
return self._color_render(bit_data, color)
else:
return self._bit_list_to_byte_data(bit_data)
else:
return bytearray(byte_data)
```
### 四、字库font.bmf
下载地址：[https://gitee.com/whltaoin_admin/MP_ESP32_ST7735S-](https://gitee.com/whltaoin_admin/MP_ESP32_ST7735S-)
# WIFI连接初始化屏幕
```python
# This file is executed on every boot (including wake-boot from deepsleep)
#import esp
#esp.osdebug(None)
#import webrepl
#webrepl.start()
# print("varin")
from machine import Pin,SPI
from st7735 import ST7735,color
from ufont import BMFont
import time
import random
import network
import ntptime
font = BMFont("font.bmf")
# WIFI名称和连接密码
ssid="aaa"
password="12345678"
spi = SPI(1,baudrate = 60_000_000,polarity = 0,sck = Pin(2),mosi = Pin(3),miso = None)
tft = ST7735(spi,rst = 10,dc = 6,cs = 7,bl = 8, width = 160, height = 127, offset=(-1,0) ,rotate = 1, rgb = True)
def network_connect():
font.text(tft,"WIFI网络连接中~" ,0,0,color(random.randint(1,256),random.randint(1,256),random.randint(1,256)),font_size = 16,reverse = False,clear = False,show = True,half_char = True,auto_wrap = False)
sta = network.WLAN(network.STA_IF)
sta.active(True)
# 判断WIF是否连接，如无连接通过循环等待WIFI连接后再执行后续代码
if not sta.isconnected():
sta.connect(ssid,password)
while not sta.isconnected():
pass
print(sta.ifconfig())
ntptime.settime()
print()
font.text(tft,"WIFI网络连接成功~" ,0,0,color(random.randint(1,256),random.randint(1,256),random.randint(1,256)),font_size = 16,reverse = False,clear = False,show = True,half_char = True,auto_wrap = False)
font.text(tft,"WIFI名称为："+ssid ,0,20,color(random.randint(1,256),random.randint(1,256),random.randint(1,256)),font_size = 16,reverse = False,clear = False,show = True,half_char = True,auto_wrap = False)
font.text(tft,"IP地址："+sta.ifconfig()[0] ,0,40,color(random.randint(1,256),random.randint(1,256),random.randint(1,256)),font_size = 16,reverse = False,clear = False,show = True,half_char = True,auto_wrap = False)
while True:
# 实时更新屏幕时间，
t=time.localtime()
timeStr= '当前时间是：{}:{}:{}'.format( t[3], t[4], t[5])
font.text(tft,timeStr ,0,60,color(random.randint(1,256),random.randint(1,256),random.randint(1,256)),font_size = 16,reverse = False,clear = False,show = True,half_char = True,auto_wrap = False)
font.text(tft,"今天又是加油的一天呀" ,0,80,color(random.randint(1,256),random.randint(1,256),random.randint(1,256)),font_size = 16,reverse = False,clear = False,show = True,half_char = True,auto_wrap = False)
if __name__ == "__main__":
network_connect()
```
```python
# This file is executed on every boot (including wake-boot from deepsleep)
#import esp
#esp.osdebug(None)
#import webrepl
#webrepl.start()
# print("varin")
from machine import Pin,SPI
from st7735 import ST7735,color
from ufont import BMFont
import time
import random
import network
import ntptime
from machine import RTC
import time
rtc = RTC()
font = BMFont("font.bmf")
# WIFI名称和连接密码
ssid="aaa"
password="12345678"
spi = SPI(1,baudrate = 60_000_000,polarity = 0,sck = Pin(2),mosi = Pin(3),miso = None)
tft = ST7735(spi,rst = 10,dc = 6,cs = 7,bl = 8, width = 160, height = 127, offset=(-1,0) ,rotate = 1, rgb = True)
def network_connect():
font.text(tft,"WIFI网络连接中~" ,0,0,color(random.randint(1,256),random.randint(1,256),random.randint(1,256)),font_size = 16,reverse = False,clear = False,show = True,half_char = True,auto_wrap = False)
sta = network.WLAN(network.STA_IF)
sta.active(True)
# 判断WIF是否连接，如无连接通过循环等待WIFI连接后再执行后续代码
if not sta.isconnected():
sta.connect(ssid,password)
while not sta.isconnected():
pass
print(sta.ifconfig())
ntptime.settime()
print()
font.text(tft,"WIFI网络连接成功~" ,0,0,color(random.randint(1,256),random.randint(1,256),random.randint(1,256)),font_size = 16,reverse = False,clear = False,show = True,half_char = True,auto_wrap = False)
font.text(tft,"WIFI名称为："+ssid ,0,20,color(random.randint(1,256),random.randint(1,256),random.randint(1,256)),font_size = 16,reverse = False,clear = False,show = True,half_char = True,auto_wrap = False)
font.text(tft,"IP地址："+sta.ifconfig()[0] ,0,40,color(random.randint(1,256),random.randint(1,256),random.randint(1,256)),font_size = 16,reverse = False,clear = False,show = True,half_char = True,auto_wrap = False)
while True:
# 实时更新屏幕时间
t= rtc.datetime()
timeStr= '当前时间是：{}:{}:{}'.format( t[4]+8, t[5], t[6])
font.text(tft,timeStr ,0,60,color(random.randint(1,256),random.randint(1,256),random.randint(1,256)),font_size = 16,reverse = False,clear = False,show = True,half_char = True,auto_wrap = False)
font.text(tft,"今天又是加油的一天呀" ,0,80,color(random.randint(1,256),random.randint(1,256),random.randint(1,256)),font_size = 16,reverse = False,clear = False,show = True,half_char = True,auto_wrap = False)
time.sleep(1)
if __name__ == "__main__":
network_connect()
```
# 注意
本案例初始化模块代码是参照以下作者，若侵权，请联系本作者。
[https://blog.csdn.net/zhusongziye/article/details/135757477](https://blog.csdn.net/zhusongziye/article/details/135757477)