>>> import modem
>>> help(modem)
object <module 'modem'> is of type module
  __name__ -- modem
  getDevSN -- <function>
  getDevImei -- <function>
  getDevModel -- <function>
  getDevFwVersion -- <function>
  getDevProductId -- <function>
>>> from modem import *
>>> getDevSN()
'D1D20J60A0017870P'
>>> getDevImei()
'868540050393723'
>>> getDevModel()
'EC600S'
>>> getDevFwVersion()
'EC600SCNAAR01A01M16_OCPU_PY_BETA1211'
>>> getDevProductId()
'Quectel'

import modem
import log

state = 1
log.basicConfig(level=log.INFO)   # 设置日志输出级别

log = log.getLogger("QuecPython")

def modem_msg():
    global state
    modem_Imei = modem.getDevImei()
    modem_DevModel = modem.getDevModel()
    modem_DevSN = modem.getDevSN()
    modem_DevFwVersion = modem.getDevFwVersion()
    modem_DevProductId = modem.getDevProductId()
    log.info("modem_Imei:{}".format(modem_Imei))
    log.info("modem_DevModel:{}".format(modem_DevModel))
    log.info("modem_DevSN:{}".format(modem_DevSN))
    log.info("modem_DevFwVersion:{}".format(modem_DevFwVersion))
    log.info("modem_DevProductId:{}".format(modem_DevProductId))
    state = 0

if __name__ == "__main__":
    modem_msg()
    while 1:
        if state:
            pass
        else:
            break

import fota

import utime

import log

import uos

from misc import Power

# 设置日志输出级别

log.basicConfig(level=log.INFO)

fota_log = log.getLogger("Fota")

# 此示例需要升级包文件（差分包等.bin文件），参考本文档升级包制作方法。

def run():

	fota_obj = fota() # 创建Fota对象

	file_size = uos.stat("FotaFile.bin")[6] # 获取文件总字节数

	with open("/usr/FotaFile.bin", "rb")as f: #rb模式打开.bin文件(需要制作升级包文件)

		while 1:

			c = f.read(1024) # read

			if not c:

				break

			fota_obj.write(c, file_size) # 写入.bin文件数据与文件总字节数

			fota_log.info("flush verify...")

			res = fota_obj.verify() # 校验

			if res != 0:

				fota_log.error("verify error")

			return

			fota_log.info("flush power_reset...")

utime.sleep(2)

Power.powerRestart() # 重启模块

>>> import _thread
>>> _thread.get_ident()
2126467632
>>> _thread.get_heap_size()
748032
>>> lock = _thread.allocate_lock() 
>>> lock.acquire()
True
>>> lock.locked()
True
>>> lock.release()
>>> lock.locked()
False

import _thread
import utime
import log
from machine import UART  

# 设置日志输出级别
log.basicConfig(level=log.INFO)
uart_log = log.getLogger("Thread")

state = 1
msglen = 0
count = 10
uart = UART(UART.UART2, 115200, 8, 0, 1, 0)

def uartwrite():
    global count
    while count:
        write_msg = "Quectel count={}".format(count)  # 发送数据
        uart.write(write_msg)
        uart_log.info("write msg :{}".format(write_msg))
        utime.sleep(1)
        count -= 1
        if count == 0:
            break
    uart_log.info("uartWrite end!")

def uartread():
    global state
    global msglen
    while 1:
        utime.sleep_ms(10)
        msgLen = uart.any()   # 返回是否有可读取的数据长度
        if msgLen:
            msg = uart.read(msgLen)  # 当有数据时进行读取
            utf8_msg = msg.decode()  # 初始数据是字节类型（bytes）,将字节类型数据转STR
            uart_log.info("uartread msg: {}".format(utf8_msg))
            state = 0
            break
        else:
            continue

def run():
    _thread.start_new_thread(uartread, ())  # 创建一个线程来监听接收uart消息
    _thread.start_new_thread(uartwrite, ())


if __name__ == "__main__":
    run()
    while 1:
        if state:
            pass
        else:
            break

>>> import uos
>>> uos.getcwd()  #获取路径
'/'
>>> uos.chdir('/usr') # 改变路径
>>> uos.mkdir('QuecPython') # 在当前路径创建文件夹
>>> uos.listdir()
['apn_cfg.json', 'a.py', 'b.py', 'V05.bin', 'system_config.json', 'checksum.json', 'b.txt', 'QuecPython']
>>> uos.chdir('QuecPython')# 改变路径
>>> uos.getcwd()
'/usr/QuecPython'
>>> import uio
>>> fd = uio.open('test.py', mode='w')  #在当前路径新建文件，已写方式打开
>>> fd.write('quectel')  #写操作
7
>>> fd.close()  # 关闭文件
>>> fd = uio.open('test.py', mode='r')   # 对当前路径下的文件，已读方式打开
>>> fd.read()  #读操作  
'quectel'
>>> fd.close()

>>> import checksum 
>>> checksum.update('/usr/a.py')  

[{'name': '/usr/a.py', 'sha256': '454f048b9b584add8b6f67a86ec4ec01ce63baace41efba994881f608a227e30'}, {'name': '/usr/b.py', 'sha256': '3edc1bd333bc7f4caf33bb35e7602bafe5d85c6b6b2ca74a92588a470fbee917'}, {'name': '/usr/b.txt', 'sha256': 'cced28c6dc3f99c2396a5eaad732bf6b28142335892b1cd0e6af6cdb53f5ccfa'}, {'name': '/usr/V05.bin', 'sha256': 'e5d2dd354947292348a8fb29cdf78e4ffc05754f8e12ecf0dc0ff3783b6b8822'}]
>>> uos.listdir('usr/')
['apn_cfg.json', 'checksum.json', 'a.py', 'b.py', 'b.txt', 'V05.bin', 'system_config.json']
>>> uos.listdir('/bak/usr/')
['test.txt', 'a.py', 'b.py', 'b.txt', 'V05.bin']
>>>