mirror of
https://github.com/sascha-hemi/pycom-documentation.git
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9a0602f9e5
* Products
-> updated with new products
-> added accessories
* Getting started
-> re-structured getting started guide
-> removed some of the advanced stuff
* Tutorials / Examples
-> added categories
-> added new basic tutorials Sleep, GPIO and Pring
-> added WiFi ap / sta tutorial
-> added wifi Scan MAC tutorial
* Firmware API
-> added pysense pytrack pygate categories here
* Datasheets
-> added CE FCC and RoHS documents
-> added pysense2 and pytrack 2 templates
* Update firmware
-> new section, added all methods of updating the firmware
* License
-> put license in its own section
general remarks:
-> updated the layout / theme
no more red code text
codeblocks actually work now
-> general layout updates, removed the old html structures (mostly)
52 lines
1.8 KiB
Markdown
52 lines
1.8 KiB
Markdown
---
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title: "REPL"
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aliases:
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- tutorials/all/repl.html
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- tutorials/all/repl.md
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- chapter/tutorials/all/repl
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---
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Using the Pymakr Plugin, open and connect a device or use serial terminal (PuTTY, screen, picocom, etc). Upon connecting, there should be a blank screen with a flashing cursor. Press Enter and a MicroPython prompt should appear, i.e. `>>>`. Let's make sure it is working with the obligatory test:
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```python
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>>> print("Hello LoPy!")
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Hello LoPy!
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```
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In the example above, the `>>>` characters should not be typed. They are there to indicate that the text should be placed after the prompt. Once the text has been entered `print("Hello LoPy!")` and pressed `Enter`, the output should appear on screen, identical to the example above.
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Basic Python commands can be tested out in a similar fashion.
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If this is not working, try either a hard reset or a soft reset; see below.
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Here are some other example, utilising the device's hardware features:
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```python
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>>> from machine import Pin
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>>> led = Pin('G16', mode=Pin.OUT, value=1)
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>>> led(0)
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>>> led(1)
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>>> led.toggle()
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>>> 1 + 2
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3
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>>> 5 / 2
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2.5
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>>> 20 * 'py'
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'pypypypypypypypypypypypypypypypypypypypy'
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```
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## Resetting the Device
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If something goes wrong, the device can be reset with two methods. The first is to press `CTRL-D` at the MicroPython prompt, which will perform a soft reset. A message, as following, will appear:
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```python
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>>>
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PYB: soft reboot
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MicroPython v1.4.6-146-g1d8b5e5 on 2016-10-21; LoPy with ESP32
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Type "help()" for more information.
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>>>
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```
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If that still isn't working a hard reset can be performed (power-off/on) by pressing the `RST` switch (the small black button next to the RGB LED). Using telnet, this will end the session, disconnecting the program that was used to connect to the Pycom Device.
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