linuxcnc-pixelblaze-progress/main.py

55 lines
1.3 KiB
Python

import linuxcnc
import time
import paho.mqtt.client as mqtt
lcnc_stat = linuxcnc.stat()
MQTT_HOST='192.168.1.1'
MQTT_PORT=1883
TOPIC='lcnc/job/progress'
DELAY = 5
we_started = False
running = False
# The callback for when the client receives a CONNACK response from the server.
def on_connect(client, userdata, flags, rc):
print('mqtt connected')
client = mqtt.Client()
client.on_connect = on_connect
client.connect_async(MQTT_HOST, MQTT_PORT, 60)
client.loop_start()
print("Starting main loop")
time.sleep(1)
filename = None
last_line = None
global lc
state = {
'lc': float(0)
}
while True:
lcnc_stat.poll()
if filename is None or filename != lcnc_stat.file:
print("Updating file: {}".format(lcnc_stat.file))
filename = lcnc_stat.file
f = open(filename, 'r')
state['lc'] = sum(1 for line in f)
print("line count: {}".format(state['lc']))
if last_line is None or last_line != lcnc_stat.motion_line:
completion = int(lcnc_stat.motion_line) / float(state['lc'])
print(state['lc'], lcnc_stat.motion_line, completion)
print("Progress: {}%".format(completion * 100))
last_line = lcnc_stat.motion_line
print(type(completion), str(completion))
client.publish(TOPIC, str(completion))