| 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 | |
| #python -m serial.tools.miniterm -p COM20 -e -b 115200 --cr | |
| filename = "demo.wav" | filename = "demo.wav" |
| MIN_LENGTH = 90000 | MIN_LENGTH = 90000 |
| def worker(filename): | def worker(filename): |
| """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") | |
| line = ser.readline() # read a '\n' terminated line | |
| print line | |
| 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 record_to_async_file(): |
| "Records from the microphone and outputs the resulting data to `path`" | "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)) | print str(len(data)) |
| if len(data) > MIN_LENGTH: | if len(data) > MIN_LENGTH: |
| data = snd.pack('<' + ('h'*len(data)), *data) | data = snd.pack('<' + ('h'*len(data)), *data) |
| path = filename | path = filename |
| dispatcher.send( signal='FILE_CREATED', sender=filename, filename=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(1) |
| 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() |
| print("done - result "+str(len(data))+" frames written to "+path) | print("done - result "+str(len(data))+" frames written to "+path) |
| 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( worker, signal='FILE_CREATED', sender=dispatcher.Any ) |
| ser = serial.Serial('COM20', 112500, timeout=1) | |
| print "Scannr started..." | print "Scannr started..." |
| while True: | while True: |
| print "ready to record" | print "ready to record" |
| record_to_async_file() | record_to_async_file() |
| ser.close() |