def start_disconnect_watcher(self):
logging.info(
"DYNAMIC SERIAL: Opened serial and spun off %s-disconnect-watcher thread",
self.name)
self.old_ports = [port_info.device for port_info in list_ports()]
threading.Thread(target=self.device_disconnect_watch,
name="%s-disconnect-watcher" % self.name).start()
def __init__(self, name, ser, verbose):
log = sys.stdout if verbose else open(os.devnull, 'w')
logging.basicConfig(stream=log, level=logging.DEBUG)
self.ser = ser
self.verbose = verbose
self.fmt = '%s: %%s' % name
self.name = name
self.lock = threading.Lock()
self.connected = False
self.port = ''
self.baudrate = 115200
self.old_ports = [port_info.device for port_info in list_ports()]
#enum values for message types
self.REQUEST_NAME = 0x00
self.RETURN_NAME = 0x01
self.REQUEST_CARD_SIGNATURE = 0x02
self.RETURN_CARD_SIGNATURE = 0x03
self.REQUEST_HSM_NONCE = 0x04
self.RETURN_HSM_NONCE = 0x05
self.REQUEST_HSM_UUID = 0x06
self.RETURN_HSM_UUID = 0x07
self.REQUEST_WITHDRAWAL = 0x08
self.RETURN_WITHDRAWAL = 0x09
self.REQUEST_BALANCE = 0x0A
self.RETURN_BALANCE = 0x0B
self.REQUEST_NEW_PK = 0x0C
self.RETURN_NEW_PK = 0x0D
self.SYNC_REQUEST_PROV = 0x15
self.SYNC_REQUEST_NO_PROV = 0x16
self.SYNC_CONFIRMED_PROV = 0x17
self.SYNC_CONFIRMED_NO_PROV = 0x18
self.SYNC_FAILED_NO_PROV = 0x19
self.SYNC_FAILED_PROV = 0x1A
self.SYNCED = 0x1B
self.SYNC_TYPE_HSM_N = 0x1C
self.SYNC_TYPE_HSM_P = 0x3C
self.SYNC_TYPE_CARD_N = 0x1D
self.SYNC_TYPE_CARD_P = 0x3D
self.PSOC_DEVICE_REQUEST = 0x1E
self.INITIATE_PROVISION = 0x25
self.REQUEST_PROVISION = 0x26
self.INITIATE_BILLS_REQUEST = 0x27
self.BILLS_REQUEST = 0x28
self.BILL_RECEIVED = 0x29
# General enums for accepted/rejected flags
self.ACCEPTED = 0x20
self.REJECTED = 0x21
self.sync_name_n = '%s_N' % name
self.sync_name_p = '%s_P' % name
if ser:
self.connected = True
else:
self.start_connect_watcher()
def main():
"Main procedure of this f*****g program"
ports = list_ports()
if not ports:
print("None device attached. Review the cables.")
return
port = ports[0]
conn = connect(port.device)
print("Connected at {}".format(port.device))
stream = stream_connection(conn)
print("Streaming started.")
for signal in stream:
try:
interpreter(signal)
except ValueError as e:
print('Exception ignored: ', e)
def __init__(self, name, ser, verbose):
log = sys.stdout if verbose else open(os.devnull, 'w')
logging.basicConfig(stream=log, level=logging.DEBUG)
self.ser = ser
self.verbose = verbose
self.fmt = '%s: %%s' % name
self.name = name
self.lock = threading.Lock()
self.connected = False
self.port = ''
self.baudrate = 115200
self.old_ports = [port_info.device for port_info in list_ports()]
self.sync_name_n = '%s_N' % name
self.sync_name_p = '%s_P' % name
if not ser:
self.start_connect_watcher()
def device_connect_watch(self):
"""Threaded function that connects to new serial devices"""
# Read current ports
connecting = []
# Has a new device connected?
while len(connecting) == 0:
new_ports = [port_info.device for port_info in list_ports()]
connecting = list(set(new_ports) - set(self.old_ports))
self.old_ports = new_ports
time.sleep(.25)
self.port = connecting[0]
logging.info("DYNAMIC SERIAL: Found new serial device")
self.open()
if self.name == 'CARD':
self.start_disconnect_watcher()
def device_disconnect_watch(self):
"""Threaded function that connects to new serial devices"""
# Read current ports
disconnecting = []
# Has a new device connected?
while not disconnecting and self.port not in disconnecting:
new_ports = [port_info.device for port_info in list_ports()]
disconnecting = list(set(self.old_ports) - set(new_ports))
self.old_ports = new_ports
logging.info("DYNAMIC SERIAL: %s disconnected", self.name)
self.port = ''
self.connected = False
self.lock.acquire()
self.ser.close()
self.lock.release()
self.start_connect_watcher()
prev_intens = new_intens # update old intensity value
if len(channels) == 1:
return channels[0].reshape(self.rows, self.cols)
return cv2.merge(channels).reshape(self.rows, self.cols, 3)
if __name__ == '__main__':
# allow input from file or via questionaire
sep = ';'
filename = input('settings filename (press enter if none): ')
if filename:
with open(filename, 'r') as in_file:
port, baud, timeout, rows, cols, min_val, max_val, blur, \
colour_map = in_file.readline().split(sep)
else:
list_ports()
port = input('Port: ')
baud = input('Baudrate: ')
timeout = input('Timeout (s): ')
rows = input('Number of rows: ')
cols = input('Number of cols: ')
min_val = input('Minimum expected value: ')
max_val = input('Maximum expected value: ')
blur = input('Blur (int >=0, larger values blur more: ')
colour_map = input('Colour map:\n\te.g. grey: [[0,0],[0.5,0.3],[1,1]]'\
'\n\t\t coloured: [[0,[0,1,1]],[1,[0,0.1,1]]]\n\t'\
'\t default linear greyscale intensity: <Enter>\n')
filename = input('Save settings to: ')
if filename:
try:
def listDevices():
ret = []
for p in list_ports():
ret.append(p.device)
return ret
