File size: 1,841 Bytes
8f59bb3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | # -*- encoding: utf-8 -*-
import time
import math
import sephiroth
import argparse
import Adafruit_BBIO.ADC as ADC
import socket
from datetime import datetime
import logging
logging.basicConfig()
log = logging.getLogger('client_bbb')
log.setLevel(logging.INFO)
ADC.setup()
# This indicates how many times the signal is read
READ_FREQUENCY = 50 # Frequency in Hz
RFQ = float(1)/float(READ_FREQUENCY) # In seconds
def get_signal():
return ADC.read('P9_38')
def send_data(client, signal):
data = '{time:%Y-%m-%dT%H:%M:%S.%fZ};{signal:07.2f}' \
.format(time=datetime.now(), signal=signal)
client.send(data)
def start(client_id, host, port):
def connect():
while True:
try:
client = sephiroth.endpoint(client_id)
client.connect(host=host, port=port)
log.info('Client %s connected' % client_id)
return client
except socket.error as e:
log.error(str(e))
log.info('Attempt to reconnect in 3 seconds...')
time.sleep(3)
client = connect()
while True:
try:
signal = get_signal()
send_data(client, signal)
time.sleep(RFQ) # Read frequency
except socket.error:
log.info('Client disconnected...')
client = connect()
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('-c', '--client', help='client id')
parser.add_argument('-o', '--host', help='host name or ip address')
parser.add_argument('-p', '--port', help='port number', type=int)
args = parser.parse_args()
client_id = args.client or '000000000000000'
host = args.host or '192.168.7.1'
port = args.port or 7777
start(client_id, host, port)
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