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- """
- Here is a simple example for controlling a Betabrite Prism via USB::
- import time
- import alphasign
- def main():
- sign = alphasign.USB(alphasign.devices.USB_BETABRITE_PRISM)
- sign.connect()
- sign.clear_memory()
- # create logical objects to work with
- counter_str = alphasign.String(size=14, label="1")
- counter_txt = alphasign.Text("counter value: %s%s" % (alphasign.colors.RED,
- counter_str.call()),
- label="A",
- mode=alphasign.modes.HOLD)
- # allocate memory for these objects on the sign
- sign.allocate((counter_str, counter_txt))
- # tell sign to only display the counter text
- sign.set_run_sequence((counter_txt,))
- # write objects
- for obj in (counter_str, counter_txt):
- sign.write(obj)
- # (strictly) monotonically increasing counter
- counter_value = 0
- while True:
- counter_str.data = counter_value
- sign.write(counter_str)
- counter_value += 1
- time.sleep(1)
- if __name__ == "__main__":
- main()
- """
- import datetime
- import os
- import sys
- import serial
- import constants
- from interfaces.local import DebugInterface
- from interfaces.local import Serial
- from interfaces.local import USB
- from time import Time
- from date import Date
- from string import String
- from packet import Packet
- from text import Text
- import charsets
- import colors
- import counters
- import devices
- import extchars
- import modes
- import positions
- import speeds
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