使用Ubuntu将ESP8266写入MicroPython固件并连接WIFI进行GET请求

桃扇骨 2022-09-14 09:13 61阅读 0赞

## 安装驱动 ##

*我的是CH320G版本，安装CH320驱动*

1.  `uname -r`查看自己的内核版本  
    ![2f0fd158b8f9476a983418eb26013d40.png][]
2.  `https://elixir.bootlin.com/linux/v5.11/source/drivers/usb/serial/ch341.c#`找到对应的源代码，复制出来并保存为`ch34x.c`
3.  与`ch34x.c`同级目录下编写`Makefile`

ifeq ($(KERNELRELEASE), )
    KERNELDIR := /lib/modules/$(shell uname -r)/build
    PWD :=$(shell pwd)
    default:
    	$(MAKE) -C $(KERNELDIR)  M=$(PWD)  
    clean:
    	rm -rf .tmp_versions Module.symvers *.mod.c *.o *.ko .*.cmd Module.markers modules.order
    load:
    	modprobe usbserial
    	insmod ch34x.ko
    unload:
    	rmmod ch34x
    else
    	obj-m := ch34x.o
    endif

1.  目录示例  
    ![在这里插入图片描述][6c632726d1e9450bb935c044d0d18b8f.png]
2.  `make`编译
3.  `sudo make load`安装
4.  `sudo make unload`卸载

## 写入固件 ##

1.  下载`MicroPython`固件`www.micropython.org`
2.  下载写入工具`pip3 install esptool`
3.  `ls /dev/tty*`查看已有端口
4.  `ESP8266`USB上电接入电脑
5.  `ls /dev/tty*`查看多出来的端口就是ESP8266的对应端口（一般是`/dev/ttyUSB0`）
6.  `~/.local/bin/esptool.py --port /dev/ttyUSB0 erase_flash`擦掉已有固件
7.  `~/.local/bin/esptool.py --port /dev/ttyUSB0 --baud 115200 write_flash --flash_size=detect 0 ./esp8266-20210902-v1.17.bin`写入的第一步下载的固件

## 连接开发板 ##

1.  下载安装[thonny][]: `bash <(wget -O - https://thonny.org/installer-for-linux)`
2.  设置IDE： thonny 工具 > 设置 > 解释器  
    ![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd2luZFNub3dMaQ_size_20_color_FFFFFF_t_70_g_se_x_16]
3.  ![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd2luZFNub3dMaQ_size_20_color_FFFFFF_t_70_g_se_x_16 1]

## 连接WIFI ##

1.  `help()`查看连接示例  
    ![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd2luZFNub3dMaQ_size_20_color_FFFFFF_t_70_g_se_x_16 2]
2.  连接WIFI，并开启热点

import network
    import time
    import urequests
    
    AP_name='你的无线网名称'
    password='你的无线网密码'
    sta_if = network.WLAN(network.STA_IF); sta_if.active(True)
    sta_if.scan()                             # Scan for available access points
    sta_if.connect(AP_name, password) # Connect to an AP
    while not sta_if.isconnected():
        print('connect...')
        time.sleep(2)
        
    # Change name/password of ESP8266's AP:
    ap_if = network.WLAN(network.AP_IF)
    ap_if.config(essid="要创建的无线网名称", authmode=network.AUTH_WPA_WPA2_PSK, password="要创建的无线网密码")
    
    response = urequests.get('http://www.baidu.com')
    print(response.text)

![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd2luZFNub3dMaQ_size_20_color_FFFFFF_t_70_g_se_x_16 3]

1.  ![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd2luZFNub3dMaQ_size_20_color_FFFFFF_t_70_g_se_x_16 4]
2.  ![在这里插入图片描述][330b9d2d4e964cf59bcd0bf556d07ed2.png]

[个人博客链接][Link 1]

[2f0fd158b8f9476a983418eb26013d40.png]: /images/20220828/8a914dc04a994a4e90118d9875e05b3f.png
[6c632726d1e9450bb935c044d0d18b8f.png]: /images/20220828/0694279d42da4afd89c16ab630640be0.png
[thonny]: https://thonny.org/
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd2luZFNub3dMaQ_size_20_color_FFFFFF_t_70_g_se_x_16]: /images/20220828/42402b10ab06475495fa21463fb94fc4.png
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd2luZFNub3dMaQ_size_20_color_FFFFFF_t_70_g_se_x_16 1]: /images/20220828/ddd7067110c74647ac7ec951faa1e555.png
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd2luZFNub3dMaQ_size_20_color_FFFFFF_t_70_g_se_x_16 2]: /images/20220828/2e4145a6c368484fa5f4e0bea8237dbf.png
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd2luZFNub3dMaQ_size_20_color_FFFFFF_t_70_g_se_x_16 3]: /images/20220828/a35cb8ee58934bcb810afd2db0fd8549.png
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAd2luZFNub3dMaQ_size_20_color_FFFFFF_t_70_g_se_x_16 4]: /images/20220828/5f13d2822d924c0b962d8f5354dbcb6d.png
[330b9d2d4e964cf59bcd0bf556d07ed2.png]: /images/20220828/f31ba03c1d6348499e397de588661996.png
[Link 1]: https://www.blog.hiyj.cn/article/detail/113