Difference between revisions of "MircoPython"
TimGremalm (talk | contribs) (Created page with "=NodeMCU Devkit= File:Nodemcu.jpg [https://docs.micropython.org/en/latest/pyboard/] =Install= http://docs.micropython.org/en/v1.8.2/esp8266/esp8266/tutorial/intro.html#d...") |
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=NodeMCU Devkit= | =NodeMCU Devkit= | ||
[[File:Nodemcu.jpg]] | [[File:Nodemcu.jpg]] | ||
*ESP8266 a microcontroller from Espressif | |||
*Integrated WiFi | |||
*80MHz clock speed | |||
[https://docs.micropython.org/en/latest/pyboard/] | =MicroPython= | ||
[https://docs.micropython.org/en/latest/pyboard/ https://docs.micropython.org/en/latest/pyboard/] | |||
=Install= | =Install= | ||
http://docs.micropython.org/en/v1.8.2/esp8266/esp8266/tutorial/intro.html#deploying-the-firmware | [http://docs.micropython.org/en/v1.8.2/esp8266/esp8266/tutorial/intro.html#deploying-the-firmware http://docs.micropython.org/en/v1.8.2/esp8266/esp8266/tutorial/intro.html#deploying-the-firmware] | ||
http://micropython.org/download#esp8266 | [http://micropython.org/download#esp8266 http://micropython.org/download#esp8266] | ||
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
wget http://micropython.org/resources/firmware/esp8266-20171101-v1.9.3.bin | wget http://micropython.org/resources/firmware/esp8266-20171101-v1.9.3.bin | ||
| Line 29: | Line 33: | ||
=Connect to WiFi= | =Connect to WiFi= | ||
http://docs.micropython.org/en/v1.8.7/esp8266/esp8266/tutorial/network_basics.html | [http://docs.micropython.org/en/v1.8.7/esp8266/esp8266/tutorial/network_basics.html http://docs.micropython.org/en/v1.8.7/esp8266/esp8266/tutorial/network_basics.html] | ||
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
| Line 57: | Line 61: | ||
=WS2812= | =WS2812= | ||
http://docs.micropython.org/en/v1.8.2/esp8266/esp8266/tutorial/neopixel.html | [http://docs.micropython.org/en/v1.8.2/esp8266/esp8266/tutorial/neopixel.html http://docs.micropython.org/en/v1.8.2/esp8266/esp8266/tutorial/neopixel.html] | ||
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
from machine import Pin | from machine import Pin | ||
from neopixel import NeoPixel | from neopixel import NeoPixel | ||
| Line 72: | Line 75: | ||
=GPIO= | =GPIO= | ||
[https://docs.micropython.org/en/latest/esp8266/esp8266/tutorial/pins.html] | [https://docs.micropython.org/en/latest/esp8266/esp8266/tutorial/pins.html https://docs.micropython.org/en/latest/esp8266/esp8266/tutorial/pins.html] | ||
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
from machine import Pin | from machine import Pin | ||
| Line 83: | Line 86: | ||
=File system on flash= | =File system on flash= | ||
<syntaxhighlight lang="bash"> | |||
import os | import os | ||
os.listdir() | os.listdir() | ||
| Line 89: | Line 93: | ||
=Connect through websocket= | =Connect through websocket= | ||
[https://micropython.org/webrepl/] | [https://micropython.org/webrepl/ https://micropython.org/webrepl/] | ||
[https://learn.adafruit.com/micropython-basics-esp8266-webrepl/access-webrepl] | [https://learn.adafruit.com/micropython-basics-esp8266-webrepl/access-webrepl https://learn.adafruit.com/micropython-basics-esp8266-webrepl/access-webrepl] | ||
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
import webrepl_setup | import webrepl_setup | ||
</syntaxhighlight> | </syntaxhighlight> | ||
Revision as of 06:18, 22 April 2018
NodeMCU Devkit
- ESP8266 a microcontroller from Espressif
- Integrated WiFi
- 80MHz clock speed
MicroPython
https://docs.micropython.org/en/latest/pyboard/
Install
http://docs.micropython.org/en/v1.8.2/esp8266/esp8266/tutorial/intro.html#deploying-the-firmware
http://micropython.org/download#esp8266 <syntaxhighlight lang="bash"> wget http://micropython.org/resources/firmware/esp8266-20171101-v1.9.3.bin pip install esptool esptool.py --port /dev/ttyUSB0 write_flash 0 esp8266-20171101-v1.9.3.bin </syntaxhighlight>
<syntaxhighlight lang="bash"> esptool.py --port /dev/ttyUSB0 erase_flash </syntaxhighlight>
<syntaxhighlight lang="bash"> esptool.py --port /dev/ttyUSB0 --baud 460800 write_flash --flash_size=8m 0 esp8266-20171101-v1.9.3.bin </syntaxhighlight>
Connect through serial
<syntaxhighlight lang="bash"> screen /dev/ttyUSB0 115200 </syntaxhighlight> Stäng screen: Ctrl+A, k, y
Connect to WiFi
http://docs.micropython.org/en/v1.8.7/esp8266/esp8266/tutorial/network_basics.html
<syntaxhighlight lang="bash"> import network
ap_if = network.WLAN(network.AP_IF) ap_if.disconnect()
sta_if = network.WLAN(network.STA_IF) sta_if.active(True)
sta_if.connect('SSID', 'password') </syntaxhighlight>
<syntaxhighlight lang="bash"> sta_if.ifconfig() </syntaxhighlight>
HTTP GET
<syntaxhighlight lang="bash"> import urequests response = urequests.get("http://tim.gremalm.se/hello") response.text response.close() </syntaxhighlight>
WS2812
http://docs.micropython.org/en/v1.8.2/esp8266/esp8266/tutorial/neopixel.html <syntaxhighlight lang="bash"> from machine import Pin from neopixel import NeoPixel
np = neopixel.NeoPixel(machine.Pin(2), 3)
np[0] = (255, 0, 0) np[1] = (0, 128, 0) np[2] = (0, 0, 64) np.write() </syntaxhighlight>
GPIO
https://docs.micropython.org/en/latest/esp8266/esp8266/tutorial/pins.html
<syntaxhighlight lang="bash">
from machine import Pin
button = Pin(0)
button = Pin(0, machine.Pin.IN, machine.Pin.PULL_UP)
pin.value()
</syntaxhighlight>
[1]
File system on flash
<syntaxhighlight lang="bash"> import os os.listdir() os.remove('filename') </syntaxhighlight>
Connect through websocket
https://micropython.org/webrepl/ https://learn.adafruit.com/micropython-basics-esp8266-webrepl/access-webrepl
<syntaxhighlight lang="bash"> import webrepl_setup </syntaxhighlight>
