| import logging | import logging |
| logging.basicConfig(level=logging.DEBUG, | logging.basicConfig(level=logging.DEBUG, |
| format='%(asctime)s\t%(levelname)s\t%(message)s') | format='%(asctime)s\t%(levelname)s\t%(message)s') |
| import snd | import snd |
| import time | import time |
| from datetime import date | from datetime import date |
| import threading | import threading |
| from pydispatch import dispatcher | from pydispatch import dispatcher |
| import wave | import wave |
| import serial | import serial |
| #python -m serial.tools.miniterm -p COM20 -e -b 115200 --cr | #python -m serial.tools.miniterm -p COM20 -e -b 115200 --cr |
| import psycopg2 | |
| import csv | |
| import sys | |
| import os | |
| sys.path.insert(0, os.path.join(os.path.dirname(__file__) or '.', 'pynma')) | |
| import pynma | |
| filename = "demo.wav" | filename = "demo.wav" |
| last_call = (None, None, None) | |
| MIN_LENGTH = 90000 | MIN_LENGTH = 90000 |
| lock = threading.RLock() | |
| def worker(filename): | |
| def get_call(): | |
| global lock | |
| with lock: | |
| ser.write("GLG\r") | |
| line = ser.readline() # read a '\n' terminated line | |
| print line | |
| reader = csv.reader([line]) | |
| for row in reader: | |
| #GLG,40078,NFM,0,0,CanberraBlackMnt,AustralianCapita,SES Ops 1,1,0 | |
| #,NONE,NONE,NONE | |
| if (row[0] != 'GLG' or row[1] == ''): | |
| print "uh oh" | |
| return (None, None, None) | |
| if (row[1] != ''): | |
| tgid = row[1] | |
| #nma.push("scannr", "ping", filename, "http://www.google.com") | |
| tgname = row[7] | |
| sitename = row[5] | |
| return (tgid, tgname, sitename) | |
| def log_recording(tgid, tgname, sitename, filename, length): | |
| cur = conn.cursor() | |
| cur.execute("INSERT INTO recordings \ | |
| (tgid, tgname, sitename, filename, length)\ | |
| VALUES (%s, %s, %s, %s, %s)",( tgid, tgname, sitename, filename, length)) | |
| conn.commit() | |
| cur.close() | |
| def tgid_worker(): | |
| global last_call | |
| last_call = get_call() | |
| def save_worker(filename, length): | |
| global last_call | |
| """thread worker function | """thread worker function |
| http://www.doughellmann.com/PyMOTW/threading/ | http://www.doughellmann.com/PyMOTW/threading/ |
| https://github.com/uskr/pynma | https://github.com/uskr/pynma |
| ffmpeg -i 2012-09-29-1348911268.34-demo.wav -ar 8000 -ab 4.75k test.3gp | ffmpeg -i 2012-09-29-1348911268.34-demo.wav -ar 8000 -ab 4.75k test.3gp |
| http://stackoverflow.com/questions/2559746/getting-error-while-converting-wav-to-amr-using-ffmpeg | http://stackoverflow.com/questions/2559746/getting-error-while-converting- |
| wav-to-amr-using-ffmpeg | |
| """ | """ |
| print 'Worker for '+filename | print 'Worker for ' + filename |
| ser.write("GLG\r") | (oldtgid, oldtgname, oldsitename) = last_call |
| line = ser.readline() # read a '\n' terminated line | (tgid, tgname, sitename) = get_call() |
| print line | if oldtgid == tgid: |
| if tgid == None or tgid == '': | |
| print filename + " has no TGID" | |
| else: | |
| log_recording(tgid, tgname, sitename, filename, length) | |
| else: | |
| if tgid == None or tgid == '': | |
| print filename + " has no TGID" | |
| else: | |
| log_recording(tgid, tgname, sitename, filename, length) | |
| if oldtgid == None or oldtgid == '': | |
| print filename + " has no old TGID" | |
| else: | |
| log_recording(oldtgid, oldtgname, oldsitename, filename, length) | |
| return | return |
| def filenameMaker(): | def filenameMaker(): |
| global filename | global filename |
| filename = date.today().isoformat()+'-'+str(time.time())+'-demo.wav' | filename = date.today().isoformat()+'-'+str(time.time())+'-demo.wav' |
| def record_to_async_file(): | def do_record(): |
| "Records from the microphone and outputs the resulting data to `path`" | |
| sample_width, data = snd.record() | sample_width, data = snd.record() |
| print str(len(data)) | thr = threading.Thread(target=record_to_async_file, args=(sample_width,data,filename)) |
| thr.start() | |
| def record_to_async_file(sample_width,data,filename): | |
| "Records from the microphone and outputs the resulting data to `filename`" | |
| print "Recording complete" | |
| if len(data) > MIN_LENGTH: | if len(data) > MIN_LENGTH: |
| print "Recording being saved..." | |
| dispatcher.send( signal='FILE_CREATED', sender=filename, filename=filename, length=len(data)) | |
| print str(len(data)) | |
| data = snd.pack('<' + ('h'*len(data)), *data) | data = snd.pack('<' + ('h'*len(data)), *data) |
| path = filename | path = "./data/"+filename |
| dispatcher.send( signal='FILE_CREATED', sender=filename, filename=filename) | |
| wf = wave.open(path, 'wb') | wf = wave.open(path, 'wb') |
| wf.setnchannels(1) | wf.setnchannels(2) |
| wf.setsampwidth(sample_width) | wf.setsampwidth(sample_width) |
| wf.setframerate(snd.RATE) | wf.setframerate(snd.RATE) |
| wf.writeframes(data) | wf.writeframes(data) |
| wf.close() | wf.close() |
| del wf | |
| print("done - result "+str(len(data))+" frames written to "+path) | print("done - result "+str(len(data))+" frames written to "+path) |
| del data | |
| dispatcher.connect( filenameMaker, signal='SND_STARTED', sender=dispatcher.Any ) | dispatcher.connect( filenameMaker, signal='SND_STARTED', sender=dispatcher.Any ) |
| dispatcher.connect( worker, signal='FILE_CREATED', sender=dispatcher.Any ) | dispatcher.connect( tgid_worker, signal='SND_STARTED', sender=dispatcher.Any ) |
| dispatcher.connect( save_worker, signal='FILE_CREATED', sender=dispatcher.Any ) | |
| ser = serial.Serial('COM20', 112500, timeout=1) | print "Opening serial port..." |
| if sys.platform.startswith('darwin'): | |
| ser = serial.Serial('/dev/tty.usbserial-FTB3VL83', 112500, timeout=1) | |
| elif sys.platform.startswith('win32'): | |
| ser = serial.Serial('COM20', 112500, timeout=1) | |
| print "Loading notifymyandroid..." | |
| nma = pynma.PyNMA( "a6f50f76119eda33befe4325b4b9e1dd25eef7bad2868e4f") | |
| print "Connecting database..." | |
| conn = psycopg2.connect("dbname=scannr user=postgres password=snmc") | |
| print "Scannr started." | |
| while True: | |
| print "ready to record again" | |
| do_record() | |
| ser.close() | |
| print "Scannr started..." | |
| while True: | |
| print "ready to record" | |
| record_to_async_file() | |
| ser.close() |