Nextion display serial client
Project description
Nextion serial client
Lightweight Python 3.5+ async library to control Nextion displays.
Installation
Pypi
pip install nextion
Simple usage:
import asyncio
import logging
import random
from nextion import Nextion, EventType
def event_handler(type_, data):
if type_ == EventType.STARTUP:
print('We have booted up!')
logging.info('Event %s data: %s' % type, str(data))
async def run():
client = Nextion('/dev/ttyS1', 9600, event_handler)
await client.connect()
# await client.sleep()
# await client.wakeup()
# await client.command('sendxy=0')
print(await client.get('sleep'))
print(await client.get('field1.txt'))
await client.set('field1.txt', "%.1f" % (random.randint(0, 1000) / 10))
await client.set('field2.txt', "%.1f" % (random.randint(0, 1000) / 10))
await client.set('field3.txt', random.randint(0, 100))
print('finished')
if __name__ == '__main__':
logging.basicConfig(
format='%(asctime)s - %(levelname)s - %(message)s',
level=logging.DEBUG,
handlers=[
logging.StreamHandler()
])
loop = asyncio.get_event_loop()
asyncio.ensure_future(run())
loop.run_forever()
Additional resources:
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