phyks/touchless3dtracking
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Finished serial handling

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To be tested. No arduino for now :/
This commit is contained in:
Phyks 2013-12-14 16:01:41 +01:00
parent 4d96e938c6
commit 3d5562065a
1 changed files with 41 additions and 41 deletions
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78
Noel2013/noel.py
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@ -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)
frequency = 0
for note in range(notes):
for note in range(len(notes)):
if serial_input[note] > thresholds[note]:
frequency = frequencies[notes[note]]
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
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,