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Name	Size	Permission
HT16K33.py	4.46 KB	-rw-r--r--
HT16K33.pyc	3.9 KB	-rw-r--r--
__init__.py	3.89 KB	-rw-r--r--
__init__.pyc	5.97 KB	-rw-r--r--
alphanum4.py	10.85 KB	-rw-r--r--
alphanum4.pyc	8.54 KB	-rw-r--r--
i2c_bus.py	388 B	-rw-r--r--
i2c_bus.pyc	585 B	-rw-r--r--

Code Editor : init.py

import atexit
from sys import exit, version_info
from .i2c_bus import bus
from .alphanum4 import AlphaNum4
from .HT16K33 import *

__version__ = '0.1.0'

display = None

_is_setup = False

def _exit():
    display.clear()
    display.show()

def set_blink(frequency):
    """Blink display at specified frequency.

Note that frequency must be a value allowed by the HT16K33, specifically one of:

* HT16K33_BLINK_OFF,
     * HT16K33_BLINK_2HZ,
     * HT16K33_BLINK_1HZ, or
     * HT16K33_BLINK_HALFHZ.

"""

setup()
    display.set_blink(frequency)

def set_brightness(brightness):
    """Set brightness of entire display to specified value.

Supports 16 levels, from 0 to 15.

"""

setup()
    display.set_brightness(brightness)

def set_digit_raw(pos, bitmask):
    """Set digit at position to raw bitmask value.

Position should be a value of 0 to 3 with 0 being the left most digit on the display.

"""

setup()
    display.set_digit_raw(pos, bitmask)

def set_decimal(pos, decimal):
    """Turn decimal point on or off at provided position.

Position should be a value 0 to 3 with 0 being the left most digit on the display.
    Decimal should be True to turn on the decimal point and False to turn it off.

"""

setup()
    display.set_decimal(pos, decimal)

def set_digit(pos, digit, decimal=False):
    """Set digit at position to provided value.

Position should be a value of 0 to 3 with 0 being the left most digit on the display.
    Digit should be any ASCII value 32-127 (printable ASCII).

"""

setup()
    display.set_digit(pos, digit, decimal)

def print_str(value, justify_right=True):
    """Print a 4 character long string of values to the display.

Characters in the string should be any ASCII value 32 to 127 (printable ASCII).

"""

setup()
    display.print_str(value, justify_right)

def print_number_str(value, justify_right=True):
    """Print a 4 character long string of numeric values to the display.

This function is similar to print_str but will interpret periods not as
    characters but as decimal points associated with the previous character.

"""

setup()
    display.print_number_str(value, justify_right=True)

def print_float(value, decimal_digits=2, justify_right=True):
    """Print a numeric value to the display.

If value is negative it will be printed with a leading minus sign.
    Decimal digits is the desired number of digits after the decimal point.

"""

setup()
    display.print_float(value, decimal_digits, justify_right)

def print_hex(value, justify_right=True):
    """Print a numeric value in hexadecimal.

Value should be from 0 to FFFF.

"""

setup()
    display.print_hex(value, justify_right)

def show():
    """Display buffer on display."""

setup()
    display.show()

def clear():
    setup()
    display.clear()

def glow(period=4, duration=4):
    """Cycles display brightness from low to high and back to low,
    at a frequency of 1/period Hz and for a duration stated in seconds.

The periodicity accounts from initial brightness back to initial brightness.

:param period: Period of glow effect in seconds. (default 4 for 0.25Hz)
    :param duration: Duration of glow effect in seconds. Function returns after duration seconds (default 4 seconds)

"""

setup()
    display.glow(period, duration)

def scroll_print(s, tempo=0.3):
    """Scrolls a string on the display.

:param tempo: Display is paused 3xtempo seconds at the start,
         then tempo seconds after each one character scroll, then 3xtempo seconds at the end. (default 0.3 seconds)

"""

setup()
    display.scroll_print(s, tempo)

def setup():
    """Set up the display."""

global _is_setup, display

if _is_setup:
        return True

display = AlphaNum4(i2c=bus)
    display.begin()
    display.clear()
    display.show()

atexit.register(_exit)

_is_setup = True

${this.title}

Code Editor : __init__.py

Code Editor : init.py