Python使⽤pip安装pySerial串⼝通讯模块pySerial封装了对串⼝的访问,供⼤家参考,具体内容如下
特性
在⽀持的平台上有统⼀的接⼝。
通过python属性访问串⼝设置。
⽀持不同的字节⼤⼩、停⽌位、校验位和流控设置。
可以有或者没有接收超时。
类似⽂件的API,例如read和write,也⽀持readline等。
⽀持⼆进制传输,没有null消除,没有cr-lf转换。
有关Python的环境配置请参考:
⽽ pip 是随 Python ⼀同安装的,如下图:
pip 帮助信息,在命令⾏中输⼊ pip 就能看到以下的帮助信息
G:\>pip
Usage:
pip <command> [options]
Commands:
install Install packages.
uninstall Uninstall packages.
freeze Output installed packages in requirements format.
list List installed packages.
show Show information about installed packages.
search Search PyPI for packages.
wheel Build wheels from your requirements.
help Show help for commands.
General Options:
-h, --help Show help.
--isolated Run pip in an isolated mode, ignoring
environment variables and user configuration.
-v, --verbose Give more output. Option is additive, and can be
used up to 3 times.
-V, --version Show version and exit.
-q, --quiet Give less output.
--log <path> Path to a verbose appending log.
--proxy <proxy> Specify a proxy in the form
[user:passwd@]proxy.server:port.
-
-retries <retries> Maximum number of retries each connection should
attempt (default 5 times).
--timeout <sec> Set the socket timeout (default 15 seconds).
--exists-action <action> Default action when a path already exists:
(s)witch, (i)gnore, (w)ipe, (b)ackup.
--trusted-host <hostname> Mark this host as trusted, even though it does
not have valid or any HTTPS.
--cert <path> Path to alternate CA bundle.
--client-cert <path> Path to SSL client certificate, a single file
containing the private key and the certificate
in PEM format.
-
-cache-dir <dir> Store the cache data in <dir>.
--no-cache-dir Disable the cache.
--disable-pip-version-check
Don't periodically check PyPI to determine
whether a new version of pip is available for
download. Implied with --no-index.
安装 pySerial 串⼝通讯模块
使⽤ pip 来安装⾮常简单,只需使⽤以下命令:pip install pyserial。安装时可能会出现以下提⽰:
可以按照提⽰执⾏升级 pip:pip install --upgrade pip
也可以不升级 pip,我上⾯的图是已经安装过了。没有安装的话会如下图显⽰:
有时候会出现类似下图的⽹络错误:
重新执⾏⼀遍就可以了
卸载可使⽤命令:pip uninstall pyserial
以上就是本⽂的全部内容,希望对⼤家的学习有所帮助,也希望⼤家多多⽀持。
>xpath语法 python
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