def pdsl_restart():
global BACKEND
global CONFIG
global FFT
global flag_start
global flag_stop
global flag_reconfigure
global is_streaming
logger.debug("PDSL: reconfigure")
port = "/dev/ttyS0"
baudrate = 115200
CONFIG = CONFIG_TMP
if BACKEND != None and is_streaming and (flag_reconfigure or flag_stop):
BACKEND.stop()
BACKEND.disconnect()
is_streaming = False
mqttc.publish(TOPIC_STATUS, "1", retain=True)
logger.debug("PDSL: stop streaming")
if flag_reconfigure:
if (CONFIG["in"]["device"] == "mls160a"):
BACKEND = stream.MLS160A_stream(
sz_block=CONFIG["in"]["frameSize"],
channels_to_use=CONFIG["in"]["channels"],
frequency=CONFIG["in"]["freq"],
port=port,
baudrate=baudrate)
elif (CONFIG["in"]["device"] == "io5640"):
BACKEND = stream.IO5640_stream(
sz_block=CONFIG["in"]["frameSize"],
channels_to_use=CONFIG["in"]["channels"],
frequency=CONFIG["in"]["freq"],
port=port,
baudrate=baudrate)
if (CONFIG["out"]["data"] == "fft"):
freq = CONFIG["in"]["freq"]
signlen = CONFIG["in"]["frameSize"]
period = 1.0 / freq
FFT = fft.FFTGenerator(period, signlen, freq)
logger.debug("PDSL: create streamer '" + CONFIG["in"]["device"] + "'")
if BACKEND != None and not is_streaming and flag_start:
BACKEND.connect()
BACKEND.start()
is_streaming = True
mqttc.publish(TOPIC_STATUS, "2", retain=True)
logger.debug("PDSL: start streaming")
# reset all flags
flag_reconfigure = False
flag_stop = False
flag_start = False
import PyDSlog.stream as stream
import matplotlib.pyplot as plt
import numpy as np
titles = ["Acc X", "Acc Y", "Acc Z", "Ang X", "Ang Y", "Ang Z"]
#chan = ["ACCX","ACCY","ACCZ","GYRX","GYRY","GYRZ"]
chan = ["ACCX", "ACCY", "ACCZ"]
x = stream.MLS160A_stream(sz_block=600,
channels_to_use=chan,
frequency=1200,
port="COM16",
baudrate=115200,
n_frame=100)
print("start")
x.connect()
x.start()
r = x.read(transpose=False)
r = np.array(r)
x.stop()
x.disconnect()
print("stop")
fig, ax = plt.subplots(nrows=len(chan), ncols=1, figsize=(12, 6))
titles = ["Acc X", "Acc Y", "Acc Z", "Ang X", "Ang Y", "Ang Z"]
import PyDSlog.stream as stream
import time
p = "COM3"
brate = 115200
chan = ["ACCX", "ACCY", "ACCZ"]
freq = 1
bl_sz = 10
signal = False
x = stream.MLS160A_stream(port=p,
channels_to_use=chan,
frequency=freq,
sz_block=bl_sz,
baudrate=brate)
x.connect()
x.start()
t0a = time.time()
v = x.read(transpose=True)
t0b = time.time()
x.stop()
x.disconnect()
t0 = t0b - t0a
print(t0)
print(v)
import PyDSlog.stream as stream
x = stream.MLS160A_stream(
sz_block=500,
channels_to_use=["ACCX", "ACCY", "ACCZ", "GYRX", "GYRY", "GYRZ"],
frequency=500,
port="COM15",
baudrate=115200,
n_frame=100)
try:
print("start")
x.connect()
x.start()
for i in range(0, 60):
r = x.read()
finally:
x.stop()
x.disconnect()
print("stop")
from flask import Flask, render_template, url_for
from flask_socketio import SocketIO, emit
import PyDSlog.stream as stream
import threading
import sys
import time
app = Flask(__name__)
app.debug = True
#app.host='0.0.0.0'
socketio = SocketIO(app)
x = stream.MLS160A_stream(
sz_block=10,
channels_to_use=["ACCX", "ACCY", "ACCZ", "GYRX", "GYRY", "GYRZ"],
frequency=100,
port="/dev/ttyR1",
baudrate=115200)
def read_stream():
while True:
if is_streaming.is_set():
try:
sem.acquire()
v = x.read(transpose=False)