kopia lustrzana https://github.com/peterhinch/micropython-samples
57 wiersze
1.5 KiB
Python
57 wiersze
1.5 KiB
Python
|
# benchmark.py Simple benchmark for umqtt.simple
|
||
|
# Assumes simple.py (from micropython-lib) is copied to ESP8266
|
||
|
# Outcome with mosquitto running on a Raspberry Pi on wired network,
|
||
|
# Wemos D1 Mini running on WiFi: echo received in max 154 ms min 27 ms
|
||
|
|
||
|
import ubinascii
|
||
|
from simple import MQTTClient
|
||
|
from machine import unique_id
|
||
|
from time import sleep, ticks_ms, ticks_diff
|
||
|
|
||
|
SERVER = "192.168.0.23"
|
||
|
CLIENT_ID = ubinascii.hexlify(unique_id())
|
||
|
TOPIC = b"led"
|
||
|
QOS = 1
|
||
|
|
||
|
t = 0
|
||
|
maxt = 0
|
||
|
mint = 5000
|
||
|
|
||
|
|
||
|
def sub_cb(topic, msg):
|
||
|
global t, maxt, mint
|
||
|
dt = ticks_diff(t, ticks_ms())
|
||
|
print('echo received in {} ms'.format(dt))
|
||
|
print((topic, msg))
|
||
|
maxt = max(maxt, dt)
|
||
|
mint = min(mint, dt)
|
||
|
|
||
|
|
||
|
def main(quit=True):
|
||
|
global t
|
||
|
c = MQTTClient(CLIENT_ID, SERVER)
|
||
|
# Subscribed messages will be delivered to this callback
|
||
|
c.set_callback(sub_cb)
|
||
|
c.connect()
|
||
|
c.subscribe(TOPIC, qos = QOS)
|
||
|
print("Connected to %s, subscribed to %s topic" % (SERVER, TOPIC))
|
||
|
n = 0
|
||
|
pubs = 0
|
||
|
try:
|
||
|
while 1:
|
||
|
n += 1
|
||
|
if not n % 100:
|
||
|
t = ticks_ms()
|
||
|
c.publish(TOPIC, str(pubs).encode('UTF8'), retain = False, qos = QOS)
|
||
|
c.wait_msg()
|
||
|
pubs += 1
|
||
|
if not pubs % 100:
|
||
|
print('echo received in max {} ms min {} ms'.
|
||
|
format(maxt, mint))
|
||
|
if quit:
|
||
|
return
|
||
|
sleep(0.05)
|
||
|
c.check_msg()
|
||
|
finally:
|
||
|
c.disconnect()
|