A tool for setting the time of some Tascam wifi-enabled audio recorders.

tascam_set_time.py

#!/usr/bin/python
import socket
import time
import sys
import coloredlogs
import logging
import datetime

global logger

def setupLogging(namein, levelString='WARN'):
  
  #logger = logging.getLogger(__name__)
  logger = logging.getLogger(namein)
  
  coloredlogs.install(level=levelString, logger=logger)
  logger.setLevel(levelString)
  return logger

logger = setupLogging("seg", "INFO")
logger.info(f"Starting tascam time setting tool")

def findRecorders():

  recorderList = []  
  
  # ask recorders to ping
  with socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP) as sendsock:
    message = b'DRPING'
    try:
      sendsock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
      logger.debug('sending ping request')
      sendsock.sendto(message, ("255.255.255.255", 62481))
  
    except:
      logger.error(f'failed to get UDP port?' )
  
  # now listen for responses on UDP
  with socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP) as rxsocket:
  
    server_address = ('', 62482)
    logger.info(f'listening for pings on port {server_address[1]}')
    rxsocket.bind(server_address)
    rxsocket.settimeout(3)
    
    logger.debug('waiting to receive message')
    try:
      while True:
        data, address = rxsocket.recvfrom(4096)
        logger.debug(f'received {data} bytes from {address}')
        textdata = data.decode('UTF-8')
        splitted = textdata.split('\t')
        recorderList.append(splitted)
    except TimeoutError:
      logger.debug(f'ping timeout' )
        
      
  with socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP) as sendsock:
    message = b'ENDE:'
    try:
      sendsock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
      logger.debug('sending ping end')
      sendsock.sendto(message, ("255.255.255.255", 62482))
  
    except:
      logger.error(f'failed to get UDP port?' )
  
  for rec in recorderList:
    logger.info(f'found {rec[0]} at {rec[1]}')
  return recorderList
  

def setTime(ip_string):
  logger.info(f'setting time for recorder at {ip_string}' )
  #create an INET, STREAMing socket (IPv4, TCP/IP)
  with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as client:
  
    logger.debug('Socket Created')
    APP_PORT = 8010
    
    client.settimeout(0.2)
    client.connect((ip_string,APP_PORT))
    
    logger.debug(f'Socket Connected to {ip_string}' )
    
    try:
      data = client.recv(1024)
      logger.debug(f'received {data.hex()}')
    except TimeoutError:
      logger.debug(f' pre-send data timeout' )
    
      
    now = datetime.datetime.now()
    yearoffset = 1792 #apparently 1792 is 0? Or there are other settings wrapped up in here?
    
    # TODO figure out if any of these other values are important
    timeSetBytes = bytes([0x44, 0x52, 0x30, 0x41, 0x07, 0x00, 0x07, \
                          now.year-yearoffset, now.month, now.day, \
                          now.hour, now.minute, now.second, 0])
    try:
      client.send(timeSetBytes)
    except socket.error:
      logger.error('failed to send data')
      return
    logger.debug('sent time data')
    
    try:
      for i in range(10):
        data = client.recv(1024)
        logger.debug(f'received {data.hex()}')
    except TimeoutError:
      logger.debug(f' response data timeout' )
      
recorderList = findRecorders()

for rec in recorderList:
  if 'DR-22WL' in rec[0]:
    setTime(rec[1])
  
sys.exit()