From 963e08a8d4ddac9b69145bddd63669bda8a18073 Mon Sep 17 00:00:00 2001 From: joca Date: Mon, 3 Jun 2019 16:25:41 +0200 Subject: [PATCH] test for led --- act.py | 10 +-- led.py | 12 +++ logic.py | 2 +- tools/tuning.py | 197 ++++++++++++++++++++++++++++++++++++++++++++++++ tuning.py | 197 ++++++++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 412 insertions(+), 6 deletions(-) create mode 100644 led.py create mode 100755 tools/tuning.py create mode 100755 tuning.py diff --git a/act.py b/act.py index d7b2ef3..0437fa5 100755 --- a/act.py +++ b/act.py @@ -19,15 +19,15 @@ from time import sleep import serial from pixel_ring import pixel_ring -ser = serial.Serial('/dev/ttyACM0', 1000000) # Establish the connection on a specific port +ser = serial.Serial('/dev/ttyACM0', 9600) # Establish the connection on a specific port def led_on(speaker): if speaker == 'mono3': - ser.write(b'3') + ser.write(b'H') if speaker == 'mono1': - ser.write(b'1') + ser.write(b'H') if speaker == 'mono2': pixel_ring.speak() @@ -35,10 +35,10 @@ def led_on(speaker): def led_off(speaker): if speaker == 'mono3': - ser.write(b'4') + ser.write(b'L') if speaker == 'mono1': - ser.write(b'2') + ser.write(b'L') if speaker == 'mono2': pixel_ring.off() diff --git a/led.py b/led.py new file mode 100644 index 0000000..f156f39 --- /dev/null +++ b/led.py @@ -0,0 +1,12 @@ +import serial +from time import sleep + +ser = serial.Serial('/dev/ttyACM0', 9600, timeout = None) +sleep(2) +ser.write(b'H') +sleep(1) +ser.write(b'L') +sleep(1) +ser.write(b'H') +sleep(1) +ser.write(b'L') \ No newline at end of file diff --git a/logic.py b/logic.py index b28096a..1900669 100755 --- a/logic.py +++ b/logic.py @@ -148,7 +148,7 @@ def listen(): # 05 CONTROL THE LED OF THE SPEAKERS import serial from pixel_ring import pixel_ring -from smart_speaker_theatre import ser + def led_on(speaker): diff --git a/tools/tuning.py b/tools/tuning.py new file mode 100755 index 0000000..c1ed7fe --- /dev/null +++ b/tools/tuning.py @@ -0,0 +1,197 @@ +# -*- coding: utf-8 -*- + +import sys +import struct +import usb.core +import usb.util + +USAGE = """Usage: python {} -h + -p show all parameters + -r read all parameters + NAME get the parameter with the NAME + NAME VALUE set the parameter with the NAME and the VALUE +""" + + + +# parameter list +# name: (id, offset, type, max, min , r/w, info) +PARAMETERS = { + 'AECFREEZEONOFF': (18, 7, 'int', 1, 0, 'rw', 'Adaptive Echo Canceler updates inhibit.', '0 = Adaptation enabled', '1 = Freeze adaptation, filter only'), + 'AECNORM': (18, 19, 'float', 16, 0.25, 'rw', 'Limit on norm of AEC filter coefficients'), + 'AECPATHCHANGE': (18, 25, 'int', 1, 0, 'ro', 'AEC Path Change Detection.', '0 = false (no path change detected)', '1 = true (path change detected)'), + 'RT60': (18, 26, 'float', 0.9, 0.25, 'ro', 'Current RT60 estimate in seconds'), + 'HPFONOFF': (18, 27, 'int', 3, 0, 'rw', 'High-pass Filter on microphone signals.', '0 = OFF', '1 = ON - 70 Hz cut-off', '2 = ON - 125 Hz cut-off', '3 = ON - 180 Hz cut-off'), + 'RT60ONOFF': (18, 28, 'int', 1, 0, 'rw', 'RT60 Estimation for AES. 0 = OFF 1 = ON'), + 'AECSILENCELEVEL': (18, 30, 'float', 1, 1e-09, 'rw', 'Threshold for signal detection in AEC [-inf .. 0] dBov (Default: -80dBov = 10log10(1x10-8))'), + 'AECSILENCEMODE': (18, 31, 'int', 1, 0, 'ro', 'AEC far-end silence detection status. ', '0 = false (signal detected) ', '1 = true (silence detected)'), + 'AGCONOFF': (19, 0, 'int', 1, 0, 'rw', 'Automatic Gain Control. ', '0 = OFF ', '1 = ON'), + 'AGCMAXGAIN': (19, 1, 'float', 1000, 1, 'rw', 'Maximum AGC gain factor. ', '[0 .. 60] dB (default 30dB = 20log10(31.6))'), + 'AGCDESIREDLEVEL': (19, 2, 'float', 0.99, 1e-08, 'rw', 'Target power level of the output signal. ', '[−inf .. 0] dBov (default: −23dBov = 10log10(0.005))'), + 'AGCGAIN': (19, 3, 'float', 1000, 1, 'rw', 'Current AGC gain factor. ', '[0 .. 60] dB (default: 0.0dB = 20log10(1.0))'), + 'AGCTIME': (19, 4, 'float', 1, 0.1, 'rw', 'Ramps-up / down time-constant in seconds.'), + 'CNIONOFF': (19, 5, 'int', 1, 0, 'rw', 'Comfort Noise Insertion.', '0 = OFF', '1 = ON'), + 'FREEZEONOFF': (19, 6, 'int', 1, 0, 'rw', 'Adaptive beamformer updates.', '0 = Adaptation enabled', '1 = Freeze adaptation, filter only'), + 'STATNOISEONOFF': (19, 8, 'int', 1, 0, 'rw', 'Stationary noise suppression.', '0 = OFF', '1 = ON'), + 'GAMMA_NS': (19, 9, 'float', 3, 0, 'rw', 'Over-subtraction factor of stationary noise. min .. max attenuation'), + 'MIN_NS': (19, 10, 'float', 1, 0, 'rw', 'Gain-floor for stationary noise suppression.', '[−inf .. 0] dB (default: −16dB = 20log10(0.15))'), + 'NONSTATNOISEONOFF': (19, 11, 'int', 1, 0, 'rw', 'Non-stationary noise suppression.', '0 = OFF', '1 = ON'), + 'GAMMA_NN': (19, 12, 'float', 3, 0, 'rw', 'Over-subtraction factor of non- stationary noise. min .. max attenuation'), + 'MIN_NN': (19, 13, 'float', 1, 0, 'rw', 'Gain-floor for non-stationary noise suppression.', '[−inf .. 0] dB (default: −10dB = 20log10(0.3))'), + 'ECHOONOFF': (19, 14, 'int', 1, 0, 'rw', 'Echo suppression.', '0 = OFF', '1 = ON'), + 'GAMMA_E': (19, 15, 'float', 3, 0, 'rw', 'Over-subtraction factor of echo (direct and early components). min .. max attenuation'), + 'GAMMA_ETAIL': (19, 16, 'float', 3, 0, 'rw', 'Over-subtraction factor of echo (tail components). min .. max attenuation'), + 'GAMMA_ENL': (19, 17, 'float', 5, 0, 'rw', 'Over-subtraction factor of non-linear echo. min .. max attenuation'), + 'NLATTENONOFF': (19, 18, 'int', 1, 0, 'rw', 'Non-Linear echo attenuation.', '0 = OFF', '1 = ON'), + 'NLAEC_MODE': (19, 20, 'int', 2, 0, 'rw', 'Non-Linear AEC training mode.', '0 = OFF', '1 = ON - phase 1', '2 = ON - phase 2'), + 'SPEECHDETECTED': (19, 22, 'int', 1, 0, 'ro', 'Speech detection status.', '0 = false (no speech detected)', '1 = true (speech detected)'), + 'FSBUPDATED': (19, 23, 'int', 1, 0, 'ro', 'FSB Update Decision.', '0 = false (FSB was not updated)', '1 = true (FSB was updated)'), + 'FSBPATHCHANGE': (19, 24, 'int', 1, 0, 'ro', 'FSB Path Change Detection.', '0 = false (no path change detected)', '1 = true (path change detected)'), + 'TRANSIENTONOFF': (19, 29, 'int', 1, 0, 'rw', 'Transient echo suppression.', '0 = OFF', '1 = ON'), + 'VOICEACTIVITY': (19, 32, 'int', 1, 0, 'ro', 'VAD voice activity status.', '0 = false (no voice activity)', '1 = true (voice activity)'), + 'STATNOISEONOFF_SR': (19, 33, 'int', 1, 0, 'rw', 'Stationary noise suppression for ASR.', '0 = OFF', '1 = ON'), + 'NONSTATNOISEONOFF_SR': (19, 34, 'int', 1, 0, 'rw', 'Non-stationary noise suppression for ASR.', '0 = OFF', '1 = ON'), + 'GAMMA_NS_SR': (19, 35, 'float', 3, 0, 'rw', 'Over-subtraction factor of stationary noise for ASR. ', '[0.0 .. 3.0] (default: 1.0)'), + 'GAMMA_NN_SR': (19, 36, 'float', 3, 0, 'rw', 'Over-subtraction factor of non-stationary noise for ASR. ', '[0.0 .. 3.0] (default: 1.1)'), + 'MIN_NS_SR': (19, 37, 'float', 1, 0, 'rw', 'Gain-floor for stationary noise suppression for ASR.', '[−inf .. 0] dB (default: −16dB = 20log10(0.15))'), + 'MIN_NN_SR': (19, 38, 'float', 1, 0, 'rw', 'Gain-floor for non-stationary noise suppression for ASR.', '[−inf .. 0] dB (default: −10dB = 20log10(0.3))'), + 'GAMMAVAD_SR': (19, 39, 'float', 1000, 0, 'rw', 'Set the threshold for voice activity detection.', '[−inf .. 60] dB (default: 3.5dB 20log10(1.5))'), + # 'KEYWORDDETECT': (20, 0, 'int', 1, 0, 'ro', 'Keyword detected. Current value so needs polling.'), + 'DOAANGLE': (21, 0, 'int', 359, 0, 'ro', 'DOA angle. Current value. Orientation depends on build configuration.') +} + + +class Tuning: + TIMEOUT = 100000 + + def __init__(self, dev): + self.dev = dev + + def write(self, name, value): + try: + data = PARAMETERS[name] + except KeyError: + return + + if data[5] == 'ro': + raise ValueError('{} is read-only'.format(name)) + + id = data[0] + + # 4 bytes offset, 4 bytes value, 4 bytes type + if data[2] == 'int': + payload = struct.pack(b'iii', data[1], int(value), 1) + else: + payload = struct.pack(b'ifi', data[1], float(value), 0) + + self.dev.ctrl_transfer( + usb.util.CTRL_OUT | usb.util.CTRL_TYPE_VENDOR | usb.util.CTRL_RECIPIENT_DEVICE, + 0, 0, id, payload, self.TIMEOUT) + + def read(self, name): + try: + data = PARAMETERS[name] + except KeyError: + return + + id = data[0] + + cmd = 0x80 | data[1] + if data[2] == 'int': + cmd |= 0x40 + + length = 8 + + response = self.dev.ctrl_transfer( + usb.util.CTRL_IN | usb.util.CTRL_TYPE_VENDOR | usb.util.CTRL_RECIPIENT_DEVICE, + 0, cmd, id, length, self.TIMEOUT) + + response = struct.unpack(b'ii', response.tostring()) + + if data[2] == 'int': + result = response[0] + else: + result = response[0] * (2.**response[1]) + + return result + + def set_vad_threshold(self, db): + self.write('GAMMAVAD_SR', db) + + def is_voice(self): + return self.read('VOICEACTIVITY') + + @property + def direction(self): + return self.read('DOAANGLE') + + @property + def version(self): + return self.dev.ctrl_transfer( + usb.util.CTRL_IN | usb.util.CTRL_TYPE_VENDOR | usb.util.CTRL_RECIPIENT_DEVICE, + 0, 0x80, 0, 1, self.TIMEOUT)[0] + + def close(self): + """ + close the interface + """ + usb.util.dispose_resources(self.dev) + + +def find(vid=0x2886, pid=0x0018): + dev = usb.core.find(idVendor=vid, idProduct=pid) + if not dev: + return + + # configuration = dev.get_active_configuration() + + # interface_number = None + # for interface in configuration: + # interface_number = interface.bInterfaceNumber + + # if dev.is_kernel_driver_active(interface_number): + # dev.detach_kernel_driver(interface_number) + + return Tuning(dev) + + + +def main(): + if len(sys.argv) > 1: + if sys.argv[1] == '-p': + print('name\t\t\ttype\tmax\tmin\tr/w\tinfo') + print('-------------------------------') + for name in sorted(PARAMETERS.keys()): + data = PARAMETERS[name] + print('{:16}\t{}'.format(name, b'\t'.join([str(i) for i in data[2:7]]))) + for extra in data[7:]: + print('{}{}'.format(' '*60, extra)) + else: + dev = find() + if not dev: + print('No device found') + sys.exit(1) + + # print('version: {}'.format(dev.version)) + + if sys.argv[1] == '-r': + print('{:24} {}'.format('name', 'value')) + print('-------------------------------') + for name in sorted(PARAMETERS.keys()): + print('{:24} {}'.format(name, dev.read(name))) + else: + name = sys.argv[1].upper() + if name in PARAMETERS: + if len(sys.argv) > 2: + dev.write(name, sys.argv[2]) + + print('{}: {}'.format(name, dev.read(name))) + else: + print('{} is not a valid name'.format(name)) + + dev.close() + else: + print(USAGE.format(sys.argv[0])) + +if __name__ == '__main__': + main() diff --git a/tuning.py b/tuning.py new file mode 100755 index 0000000..c1ed7fe --- /dev/null +++ b/tuning.py @@ -0,0 +1,197 @@ +# -*- coding: utf-8 -*- + +import sys +import struct +import usb.core +import usb.util + +USAGE = """Usage: python {} -h + -p show all parameters + -r read all parameters + NAME get the parameter with the NAME + NAME VALUE set the parameter with the NAME and the VALUE +""" + + + +# parameter list +# name: (id, offset, type, max, min , r/w, info) +PARAMETERS = { + 'AECFREEZEONOFF': (18, 7, 'int', 1, 0, 'rw', 'Adaptive Echo Canceler updates inhibit.', '0 = Adaptation enabled', '1 = Freeze adaptation, filter only'), + 'AECNORM': (18, 19, 'float', 16, 0.25, 'rw', 'Limit on norm of AEC filter coefficients'), + 'AECPATHCHANGE': (18, 25, 'int', 1, 0, 'ro', 'AEC Path Change Detection.', '0 = false (no path change detected)', '1 = true (path change detected)'), + 'RT60': (18, 26, 'float', 0.9, 0.25, 'ro', 'Current RT60 estimate in seconds'), + 'HPFONOFF': (18, 27, 'int', 3, 0, 'rw', 'High-pass Filter on microphone signals.', '0 = OFF', '1 = ON - 70 Hz cut-off', '2 = ON - 125 Hz cut-off', '3 = ON - 180 Hz cut-off'), + 'RT60ONOFF': (18, 28, 'int', 1, 0, 'rw', 'RT60 Estimation for AES. 0 = OFF 1 = ON'), + 'AECSILENCELEVEL': (18, 30, 'float', 1, 1e-09, 'rw', 'Threshold for signal detection in AEC [-inf .. 0] dBov (Default: -80dBov = 10log10(1x10-8))'), + 'AECSILENCEMODE': (18, 31, 'int', 1, 0, 'ro', 'AEC far-end silence detection status. ', '0 = false (signal detected) ', '1 = true (silence detected)'), + 'AGCONOFF': (19, 0, 'int', 1, 0, 'rw', 'Automatic Gain Control. ', '0 = OFF ', '1 = ON'), + 'AGCMAXGAIN': (19, 1, 'float', 1000, 1, 'rw', 'Maximum AGC gain factor. ', '[0 .. 60] dB (default 30dB = 20log10(31.6))'), + 'AGCDESIREDLEVEL': (19, 2, 'float', 0.99, 1e-08, 'rw', 'Target power level of the output signal. ', '[−inf .. 0] dBov (default: −23dBov = 10log10(0.005))'), + 'AGCGAIN': (19, 3, 'float', 1000, 1, 'rw', 'Current AGC gain factor. ', '[0 .. 60] dB (default: 0.0dB = 20log10(1.0))'), + 'AGCTIME': (19, 4, 'float', 1, 0.1, 'rw', 'Ramps-up / down time-constant in seconds.'), + 'CNIONOFF': (19, 5, 'int', 1, 0, 'rw', 'Comfort Noise Insertion.', '0 = OFF', '1 = ON'), + 'FREEZEONOFF': (19, 6, 'int', 1, 0, 'rw', 'Adaptive beamformer updates.', '0 = Adaptation enabled', '1 = Freeze adaptation, filter only'), + 'STATNOISEONOFF': (19, 8, 'int', 1, 0, 'rw', 'Stationary noise suppression.', '0 = OFF', '1 = ON'), + 'GAMMA_NS': (19, 9, 'float', 3, 0, 'rw', 'Over-subtraction factor of stationary noise. min .. max attenuation'), + 'MIN_NS': (19, 10, 'float', 1, 0, 'rw', 'Gain-floor for stationary noise suppression.', '[−inf .. 0] dB (default: −16dB = 20log10(0.15))'), + 'NONSTATNOISEONOFF': (19, 11, 'int', 1, 0, 'rw', 'Non-stationary noise suppression.', '0 = OFF', '1 = ON'), + 'GAMMA_NN': (19, 12, 'float', 3, 0, 'rw', 'Over-subtraction factor of non- stationary noise. min .. max attenuation'), + 'MIN_NN': (19, 13, 'float', 1, 0, 'rw', 'Gain-floor for non-stationary noise suppression.', '[−inf .. 0] dB (default: −10dB = 20log10(0.3))'), + 'ECHOONOFF': (19, 14, 'int', 1, 0, 'rw', 'Echo suppression.', '0 = OFF', '1 = ON'), + 'GAMMA_E': (19, 15, 'float', 3, 0, 'rw', 'Over-subtraction factor of echo (direct and early components). min .. max attenuation'), + 'GAMMA_ETAIL': (19, 16, 'float', 3, 0, 'rw', 'Over-subtraction factor of echo (tail components). min .. max attenuation'), + 'GAMMA_ENL': (19, 17, 'float', 5, 0, 'rw', 'Over-subtraction factor of non-linear echo. min .. max attenuation'), + 'NLATTENONOFF': (19, 18, 'int', 1, 0, 'rw', 'Non-Linear echo attenuation.', '0 = OFF', '1 = ON'), + 'NLAEC_MODE': (19, 20, 'int', 2, 0, 'rw', 'Non-Linear AEC training mode.', '0 = OFF', '1 = ON - phase 1', '2 = ON - phase 2'), + 'SPEECHDETECTED': (19, 22, 'int', 1, 0, 'ro', 'Speech detection status.', '0 = false (no speech detected)', '1 = true (speech detected)'), + 'FSBUPDATED': (19, 23, 'int', 1, 0, 'ro', 'FSB Update Decision.', '0 = false (FSB was not updated)', '1 = true (FSB was updated)'), + 'FSBPATHCHANGE': (19, 24, 'int', 1, 0, 'ro', 'FSB Path Change Detection.', '0 = false (no path change detected)', '1 = true (path change detected)'), + 'TRANSIENTONOFF': (19, 29, 'int', 1, 0, 'rw', 'Transient echo suppression.', '0 = OFF', '1 = ON'), + 'VOICEACTIVITY': (19, 32, 'int', 1, 0, 'ro', 'VAD voice activity status.', '0 = false (no voice activity)', '1 = true (voice activity)'), + 'STATNOISEONOFF_SR': (19, 33, 'int', 1, 0, 'rw', 'Stationary noise suppression for ASR.', '0 = OFF', '1 = ON'), + 'NONSTATNOISEONOFF_SR': (19, 34, 'int', 1, 0, 'rw', 'Non-stationary noise suppression for ASR.', '0 = OFF', '1 = ON'), + 'GAMMA_NS_SR': (19, 35, 'float', 3, 0, 'rw', 'Over-subtraction factor of stationary noise for ASR. ', '[0.0 .. 3.0] (default: 1.0)'), + 'GAMMA_NN_SR': (19, 36, 'float', 3, 0, 'rw', 'Over-subtraction factor of non-stationary noise for ASR. ', '[0.0 .. 3.0] (default: 1.1)'), + 'MIN_NS_SR': (19, 37, 'float', 1, 0, 'rw', 'Gain-floor for stationary noise suppression for ASR.', '[−inf .. 0] dB (default: −16dB = 20log10(0.15))'), + 'MIN_NN_SR': (19, 38, 'float', 1, 0, 'rw', 'Gain-floor for non-stationary noise suppression for ASR.', '[−inf .. 0] dB (default: −10dB = 20log10(0.3))'), + 'GAMMAVAD_SR': (19, 39, 'float', 1000, 0, 'rw', 'Set the threshold for voice activity detection.', '[−inf .. 60] dB (default: 3.5dB 20log10(1.5))'), + # 'KEYWORDDETECT': (20, 0, 'int', 1, 0, 'ro', 'Keyword detected. Current value so needs polling.'), + 'DOAANGLE': (21, 0, 'int', 359, 0, 'ro', 'DOA angle. Current value. Orientation depends on build configuration.') +} + + +class Tuning: + TIMEOUT = 100000 + + def __init__(self, dev): + self.dev = dev + + def write(self, name, value): + try: + data = PARAMETERS[name] + except KeyError: + return + + if data[5] == 'ro': + raise ValueError('{} is read-only'.format(name)) + + id = data[0] + + # 4 bytes offset, 4 bytes value, 4 bytes type + if data[2] == 'int': + payload = struct.pack(b'iii', data[1], int(value), 1) + else: + payload = struct.pack(b'ifi', data[1], float(value), 0) + + self.dev.ctrl_transfer( + usb.util.CTRL_OUT | usb.util.CTRL_TYPE_VENDOR | usb.util.CTRL_RECIPIENT_DEVICE, + 0, 0, id, payload, self.TIMEOUT) + + def read(self, name): + try: + data = PARAMETERS[name] + except KeyError: + return + + id = data[0] + + cmd = 0x80 | data[1] + if data[2] == 'int': + cmd |= 0x40 + + length = 8 + + response = self.dev.ctrl_transfer( + usb.util.CTRL_IN | usb.util.CTRL_TYPE_VENDOR | usb.util.CTRL_RECIPIENT_DEVICE, + 0, cmd, id, length, self.TIMEOUT) + + response = struct.unpack(b'ii', response.tostring()) + + if data[2] == 'int': + result = response[0] + else: + result = response[0] * (2.**response[1]) + + return result + + def set_vad_threshold(self, db): + self.write('GAMMAVAD_SR', db) + + def is_voice(self): + return self.read('VOICEACTIVITY') + + @property + def direction(self): + return self.read('DOAANGLE') + + @property + def version(self): + return self.dev.ctrl_transfer( + usb.util.CTRL_IN | usb.util.CTRL_TYPE_VENDOR | usb.util.CTRL_RECIPIENT_DEVICE, + 0, 0x80, 0, 1, self.TIMEOUT)[0] + + def close(self): + """ + close the interface + """ + usb.util.dispose_resources(self.dev) + + +def find(vid=0x2886, pid=0x0018): + dev = usb.core.find(idVendor=vid, idProduct=pid) + if not dev: + return + + # configuration = dev.get_active_configuration() + + # interface_number = None + # for interface in configuration: + # interface_number = interface.bInterfaceNumber + + # if dev.is_kernel_driver_active(interface_number): + # dev.detach_kernel_driver(interface_number) + + return Tuning(dev) + + + +def main(): + if len(sys.argv) > 1: + if sys.argv[1] == '-p': + print('name\t\t\ttype\tmax\tmin\tr/w\tinfo') + print('-------------------------------') + for name in sorted(PARAMETERS.keys()): + data = PARAMETERS[name] + print('{:16}\t{}'.format(name, b'\t'.join([str(i) for i in data[2:7]]))) + for extra in data[7:]: + print('{}{}'.format(' '*60, extra)) + else: + dev = find() + if not dev: + print('No device found') + sys.exit(1) + + # print('version: {}'.format(dev.version)) + + if sys.argv[1] == '-r': + print('{:24} {}'.format('name', 'value')) + print('-------------------------------') + for name in sorted(PARAMETERS.keys()): + print('{:24} {}'.format(name, dev.read(name))) + else: + name = sys.argv[1].upper() + if name in PARAMETERS: + if len(sys.argv) > 2: + dev.write(name, sys.argv[2]) + + print('{}: {}'.format(name, dev.read(name))) + else: + print('{} is not a valid name'.format(name)) + + dev.close() + else: + print(USAGE.format(sys.argv[0])) + +if __name__ == '__main__': + main()