• Pyserial Examples

Python Serial Port Extension. Python Serial Port Extension for Win32, OSX, Linux, BSD, Jython, IronPython.

I have been having problems with Pyserial (this is not the first: PySerial write errors (baudrate sensitive))

The accepted answer for this question:

quote: 'Alternatively, instead of using this library 'serial' you might want to just open and write directly to the device'

seems to suggest it is possible to write to/read from a device without using pyserial, does anyone have an example of this? can I treat it like a file?

Any links or info would be appreciated

Thanks!

1 answer

• answered 2013-12-12 12:23

  Looking around I found this example.

  From the site:

  arduinoserial.py is a Python port of Tod E. Kurt's arduino-serial.c program for communicating with an Arduino microcontroller board over a serial port. It only uses standard Python modules (notably termios and fcntl) and does not require any special serial communications modules.

  Like Tod's program, you can use it from the command line.

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Я установил последнюю версию pySerial в своем ящике Ubuntu с python 2.7.2, и он отлично работает для большинства вещей, но всякий раз, когда я пытаюсь импортировать пакет «tools», он говорит, что он не может найти «инструменты». Документация для pySerial явно ссылается на этот пакет «tools».

и когда я:

которая является последней версией в соответствии с Source Forge

Так почему я не могу попасть в пакет «tools» pySerial?

Используйте pip для установки pyserial . Первая установка:

После этого установите pyserial :

Похоже, что пакет ubuntu не совсем соответствует восходящему потоку. сравните официальный пакет pySerial с их SVN:

к пакету ubuntu в панели запуска:

Инструменты там тоже отсутствуют. Похоже, что они сохраняют скрипт miniterm.py и устанавливают его … где-то; Я не разбираюсь в deb deb, чтобы понять, где.

Я пришел сюда, потому что у меня была такая же проблема. Странная вещь заключалась в том, что

работал, но

не сделал.

Оказывается глупым я назвал сценарий «serial.py». После переименования все сработало.

Pyserial-2.4-py2.7.egg в папке site-packages импортировался, а не из серийного файла в папке site-packages. Как только я переименовал этот файл, чтобы он больше не импортировался из него, он работал нормально. Вы можете легко отладить это, выполнив

чтобы узнать, откуда импортируется серийный номер.

Pyserial Examples

да, используйте python-pip install ,,, then ,,, upgrade ,,, версия сериала будет 2.7 … это работает

На всякий случай, когда «pip install -upgrade» не работает (как это случилось со мной), в Linux вы можете проверить, есть ли у вас серийный пакет в /usr/lib/python2.7/dist-packages , новый последовательный упакованный тот, который устанавливает pip, идет в /usr/**local**/lib/python2.7/dist-packages/serial , по какой-то причине в usr/lib/python2.7/ имеет приоритет и инструменты модуля не существует в этой версии pyserial. Изменение имен или удаление каталога решают проблему.

Вы должны вызвать функции модуля следующим образом:

Например: если я хочу вызвать функцию sqrt из math модуля, я бы сделал: