【得捷电子Follow me第3期】任务提交

bjm212501 · 发表于2023-12-15 19:34

【得捷电子Follow me第3期】任务提交 [复制链接]

在此再次感谢EEworld和DigiKey举办的Follow me系列第3期活动

第一部分

https://training.eeworld.com.cn/video/38620

第二部分

任务一使用MicroPython系统，并完成入门程序的运行

Esptool：Tools | Espressif Systems

mpy固件：MicroPython - Python for microcontrollers

安装过程

运行简单代码

任务二驱动扩展板上的OLED屏幕显示文字和图形

OLED驱动：

链接已隐藏，如需查看请登录或者注册

字体：

链接已隐藏，如需查看请登录或者注册

from machine import Pin, SoftI2C
from ssd1306 import SSD1306_I2C
from font import Font

i2c = SoftI2C(scl=Pin(7), sda=Pin(6)) 
screen = SSD1306_I2C(128, 64, i2c)
f=Font(screen)

screen.fill_rect(0, 0, 128, 64, 1)
screen.fill_rect(2, 2, 124, 60, 0)
f.text("hello,world!",15,25,16)
screen.show()

任务三控制蜂鸣器播放音乐

import time
from machine import PWM,Pin

buzzer = PWM(Pin(5),duty=0)

fq = {
    'L1':131, 'L2':147, 'L3':165, 'L4':175, 'L5':196, 'L6':220, 'L7':247,
    '1':262, '2':294, '3':330, '4':349, '5':392, '6':440, '7':494,
    'H1':523, 'H2':587, 'H3':659, 'H4':698, 'H5':784, 'H6':880, 'H7':988,
    }

song = ['3','4',
        '5','-','H3','-','H1','-','H2','H1','H1','-','7','-','7','-','2','3',
        '4','-','H2','-','7','-','H1','7','6','-','5','-','5','-','3','4',
        '5','-','H1','H2','H3','-','H2','H1','6','-','H2','H3','H4','-','H3','H2',
        '5','-','H4','-','H3','-','H2','-','H1','-','-','-','-','-','-','-',
        'H1','-','-','H1','H3','-','H1','-','H2','-','-','H2','H2','-','-','-',
        'H2','-','-','H2','H4','-','H2','-','H3','-','-','H3','H3','-','-','-',
        'H3','-','-','H3','H5','-','H3','-','H4','-','-','H4','H4','-','H3','H2',
        '5','-','H4','-','H3','-','H2','-','H1','-','-','-','-','-','-','-']


def play(md, buzzer=buzzer, dt=500, dl=0.24, bk=0.01):
    for t in md:
        if t == '-':
            time.sleep(bk+dl)
        elif t == '0':
            buzzer.duty(0)
            time.sleep(bk+dl)
        else:
            buzzer.duty(0)
            time.sleep(bk)
            buzzer.duty(dt)
            buzzer.freq(fq[t])
            time.sleep(dl)
    buzzer.duty(0)
    
play(song)

运行详情请见视频，在此不作展示

任务四连接WiFi网络，并访问互联网信息

import network, ntptime, time
from machine import RTC, Pin, SoftI2C
from ssd1306 import SSD1306_I2C
from font import Font

ssid = "YOURSSID"
password = "YOURPASSWORD"

nw = network.WLAN(network.STA_IF)
nw.active(True)
nw.connect(ssid, password)

print(nw.ifconfig())

def fix_time():
    while True:
        try:
            ntptime.settime()
            break;
        except:
            print('trying...')
    print('Time Fixed.')
    
def display_time(screen):
    screen.fill_rect(0, 0, 128, 64, 1)
    screen.fill_rect(2, 2, 124, 60, 0)
    now = time.gmtime()
    f.text("%d-%02d-%02d"%(now[0],now[1],now[2]+int(now[3]/16)),25,16,16)
    f.text("%02d:%02d:%02d"%((now[3]+8)%24,now[4],now[5]),32,38,16)
    screen.show()

    
i2c = SoftI2C(scl=Pin(7), sda=Pin(6)) 
screen = SSD1306_I2C(128, 64, i2c)
f=Font(screen)

fix_time()
while True:
    display_time(screen)
    time.sleep(1)

任务五使用外部传感器

（1）温湿度传感器

AHTX0驱动：micropython-ahtx0 · PyPI

import network, ntptime, time
import ahtx0
from machine import RTC, Pin, SoftI2C
from ssd1306 import SSD1306_I2C
from font import Font

ssid = "YOURSSID"
password = "YOURPASSWORD"

nw = network.WLAN(network.STA_IF)
nw.active(True)
nw.connect(ssid, password)

print(nw.ifconfig())

def fix_time():
    while True:
        try:
            ntptime.settime()
            break;
        except:
            print('trying...')
    print('Time Fixed.')
    
def get_time():
    now = time.gmtime()
    return (now[0],now[1],now[2]+int(now[3]/16),(now[3]+8)%24,now[4],now[5])

def get_value(sensor):
    while True:
        try:
            return (sensor.temperature,sensor.relative_humidity)
            break;
        except:
            print('trying...')
    print('Sensor Value Fixed.')
    

def display(screen, now, values):
    screen.fill_rect(0, 0, 128, 64, 1)
    screen.fill_rect(2, 2, 124, 60, 0)
    f.text("%02d-%02d %02d:%02d"%(now[1],now[2],now[3],now[4]),20,8,16)
    f.text("T:%.2f"%(values[0]),36,25,16)
    f.text("H:%.2f"%(values[1]),36,40,16)
    screen.show()
    
i2c = SoftI2C(scl=Pin(7), sda=Pin(6)) 
screen = SSD1306_I2C(128, 64, i2c)
sensor = ahtx0.AHT10(i2c)
f=Font(screen)

fix_time()
while True:
    display(screen, get_time(), get_value(sensor))
    time.sleep(5)

（2）环境光传感器

import network, ntptime, time
import ahtx0
from machine import RTC, ADC, Pin, SoftI2C
from ssd1306 import SSD1306_I2C
from font import Font

ssid = "YOURSSID"
password = "YOURPASSWORD"

nw = network.WLAN(network.STA_IF)
nw.active(True)
nw.connect(ssid, password)

print(nw.ifconfig())

def fix_time():
    while True:
        try:
            ntptime.settime()
            break;
        except:
            print('trying...')
    print('Time Fixed.')
    
def get_time():
    now = time.gmtime()
    return (now[0],now[1],now[2]+int(now[3]/16),(now[3]+8)%24,now[4],now[5])

def get_value(sensor):
    return (sensor.read_u16(), sensor.read_uv()/1000)
    

def display(screen, now, values):
    screen.fill_rect(0, 0, 128, 64, 1)
    screen.fill_rect(2, 2, 124, 60, 0)
    f.text("%02d:%02d:%02d"%(now[3],now[4],now[5]),30,8,16)
    f.text("ADC:%d"%(values[0]),28,25,16)
    f.text("UV:%d"%(values[1]),40,40,16)
    screen.show()
    
i2c = SoftI2C(scl=Pin(7), sda=Pin(6)) 
screen = SSD1306_I2C(128, 64, i2c)
sensor = ADC(Pin(2), atten=ADC.ATTN_11DB)
f=Font(screen)

fix_time()
while True:
    display(screen, get_time(), get_value(sensor))
    time.sleep(1)

第三部分

源码下载：download.eeworld.com.cn/detail/bjm212501/630287

提示：源码中SSID和PASSWORD需要自行更改

心得体会
本次活动的Seeed Studio XIAO ESP32C3主板使用了用途广泛的esp32，并且有非常完整的开发文档，为我们操作查错提供了很大的便利，配套的扩展版功能强大，用途广泛，扩展性强。首次体验micropython语言编程，操作简单，开放度高，学习性及可玩性强，非常感谢eeworld和digikey举办此次活动，并希望活动举办更多类似活动。

Jacktang · 发表于2023-12-16 21:02

micropython语言编程确实是够强大的

【得捷电子Follow me第3期】任务提交 [复制链接]

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