def benchmark(f, acurate_time=1):
"""Checks how much time does function f work. It runs it as
many times as needed for avoiding inaccuracy"""
runs = 1
while True:
start_time = time_func()
for _ in xrange(runs):
f()
dt = time_func() - start_time
if dt >= acurate_time:
break
runs *= 2
return dt / runs
def benchmark(f, acurate_time=1):
"""Checks how much time does function f work. It runs it as
many times as needed for avoiding inaccuracy"""
runs = 1
while True:
start_time = time_func()
for _ in xrange(runs):
f()
dt = time_func() - start_time
if dt >= acurate_time:
break
runs *= 2
return dt / runs
def time(name=None):
from time import time as time_func
if name is None:
name = 'DEFAULT'
print(f'[Timer::{name}] Start...')
start = time_func()
yield
print(f'[Timer::{name}] End. Time elapsed = {time_func() - start}')
def pre_schedule(self):
now = time_func()
while self.tasks:
D, task, T = heappop(self.tasks)
if now - T >= D:
self.schedule.install(task)
else:
heappush(self.tasks, (D, task, T))
break
self.active = len(self.tasks) > 0
def pre_schedule(self):
now = time_func()
while self.tasks:
D,task,T = heappop(self.tasks)
if now - T >= D:
self.schedule.install(task)
else:
heappush(self.tasks, (D,task,T))
break
self.active = len(self.tasks) > 0
def handle(self, T, task):
heappush(self.tasks, (float(T), task, time_func()))
self.active = True
def handle(self, T, task):
heappush(self.tasks, (float(T),task,time_func()))
self.active = True
import sys
import serial
path_BEIDOU = os.path.join(
os.path.dirname(os.path.dirname(os.path.dirname(
os.path.abspath(__file__)))), "beidou")
sys.path.append(path_BEIDOU)
from beidou import TXA
serial_BEIDOU = serial.Serial("/dev/ttyUSB1", 115200)
txa = TXA(user_address='0247718', serial=serial_BEIDOU, transfer_method='1')
txa.read()
_DEBUG_ = False
time_old = time_func()
values = {}
names = ['PM2.5', 'CO', 'SO2', 'O3', 'HCHO', 'MQ2']
txa.send(b"$CCICI,0,00*73\r\n")
while True:
value_pm25 = sensor_api.read_value('PM2.5')
if value_pm25 > 0:
# print("\t\tpm2.5 :", value_pm25)
values['PM25'] = value_pm25
value_CO = sensor_api.read_value('CO')
if value_CO > 0:
