| |
| 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() |
| |
| READ_FREQUENCY = 50 |
| RFQ = float(1)/float(READ_FREQUENCY) |
|
|
| 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) |
| 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) |
|
|
