From 3d5562065a0969b7d638d843c770bdb55ac72dda Mon Sep 17 00:00:00 2001 From: Phyks Date: Sat, 14 Dec 2013 16:01:41 +0100 Subject: [PATCH] Finished serial handling To be tested. No arduino for now :/ --- Noel2013/noel.py | 82 ++++++++++++++++++++++++------------------------ 1 file changed, 41 insertions(+), 41 deletions(-) diff --git a/Noel2013/noel.py b/Noel2013/noel.py index b835932..c47f660 100755 --- a/Noel2013/noel.py +++ b/Noel2013/noel.py @@ -61,7 +61,7 @@ def read_serial(ser): framerate = 16000 processes = [] frequencies = {"FA": 698.5, "SOL": 784, "LA": 880, "SIb": 932, "DO": 1046.5} -notes = frequencies.keys() +notes = list(frequencies.keys()) thresholds = [] measures = [] @@ -69,21 +69,24 @@ serial_port = "/dev/ttyACM0" serial_speed = 115200 try: - opts, args = getopt.getopt(sys.argv[1:], "hs:", ["help", "serial="]) + opts, args = getopt.getopt(sys.argv[1:], "hs:S:", ["help", "serial=", + "speed="]) for opt, arg in opts: if opt in ("-h", "--help"): - print("Touchless 3D tracking with color mapping") + print("Play music with chorizos ! Only a limited set of notes " + + "is available to play jingle bells.") print("\nUsage : "+sys.argv[0]+" [OPTIONS]") - print("\nTrack the position of your hand in 3D and map it " + - "in RGB space") print("\nOptions :") print("\t-h (--help) \t display this help message") print("\t-s (--serial=) \t change serial port (default is " + "/dev/tty/ACM0") + print("\t-S (--speed=) \t change serial speed (default is 115200)") sys.exit(0) elif opt in ("-s", "--serial"): serial_port = arg + elif opt in ("-S", "--speed"): + serial_speed = arg except getopt.GetoptError: pass @@ -94,66 +97,63 @@ except Exception as e: sys.exit("Invalid serial port options : "+str(e)) try: - ser.open() + if not ser.isOpen(): + ser.open() except Exception as e: sys.exit("Error while opening serial port : "+str(e)) -if not ser.isOpen(): - sys.exit("Serial port not opened") - ser.flushInput() ser.flushOutput() # Handle calibration -for i in len(notes): +for i in range(len(notes)): print("Calibrating note "+notes[i]) - print("Touch and release the key now... Will get 10k samples.") + print("Touch and release the key now... Will get 1k samples.") - for sample in range(10000): - measures[sample] = read_serial(ser) + for sample in range(1000): + measure = read_serial(ser) + measures[sample] = measure[i] measures.sort() max_diff = 0 max_diff_index = 0 - for sample in range(10000-1): - if measures[sample+1]-measures[sample]: + for sample in range(1000-1): + if measures[sample+1]-measures[sample] > max_diff: max_diff = measures[sample+1]-measures[sample] max_diff_index = sample thresholds[i] = (measures[max_diff_index+1]+measures[max_diff_index])/2 # Main loop -# *** TODO *** : Add fetch from the serial also print("Running... Press q to quit.") running = True while running: serial_input = read_serial(ser) - - for note in range(notes): - - - char = getch() - if char == "q": - print("Exiting...") - running = False - continue - if char == "a": - frequency = frequencies[0] - if char == "b": - frequency = frequencies[1] - if char == "c": - frequency = frequencies[2] - if char == "d": - frequency = frequencies[3] - if char == "e": - frequency = frequencies[4] - if char == "f": - frequency = frequencies[5] - if char == "g": - frequency = frequencies[6] - else: - continue + frequency = 0 + + for note in range(len(notes)): + if serial_input[note] > thresholds[note]: + frequency = frequencies[notes[note]] + + if frequency == 0: + char = getch() + if char == "q": + print("Exiting...") + running = False + continue + if char == "a": + frequency = frequencies["LA"] + elif char == "b": + frequency = frequencies["SIb"] + elif char == "c": + frequency = frequencies["DO"] + elif char == "e": + frequency = frequencies["FA"] + elif char == "g": + frequency = frequencies["SOL"] + else: + continue print("Playing "+char.upper()) processes.append(Process(target=play_wave,