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Update call of DotStar constructor and tidy formatting.

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This commit is contained in:
Dave Astels 2020-05-07 17:48:59 -04:00
parent 2c6f50e946
commit 0b5c42ce95
1 changed files with 19 additions and 35 deletions
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54
dotstar_featherwing/dotstar_featherwing.py
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@ -32,17 +32,13 @@ import board
import adafruit_dotstar import adafruit_dotstar
import time import time
class DotstarFeatherwing: class DotstarFeatherwing:
"""Test, Image, and Animation support for the DotStar featherwing""" """Test, Image, and Animation support for the DotStar featherwing"""
blank_stripe = [(0, 0, 0), blank_stripe = [(0, 0, 0), (0, 0, 0), (0, 0, 0), (0, 0, 0), (0, 0, 0), (0, 0, 0)]
(0, 0, 0),
(0, 0, 0),
(0, 0, 0),
(0, 0, 0),
(0, 0, 0)]
"""A blank stripe, used internally to separate characters as they are shifted onto the display.""" """A blank stripe, used internally to separate characters as they are shifted onto the display."""
def __init__(self, clock, data, brightness=1.0): def __init__(self, clock, data, brightness=1.0):
"""Create an interface for the display. """Create an interface for the display.
@ -52,15 +48,19 @@ class DotstarFeatherwing:
""" """
self.rows = 6 self.rows = 6
self.columns = 12 self.columns = 12
self.display = adafruit_dotstar.DotStar(clock, data, self.rows * self.columns, brightness, False) self.display = adafruit_dotstar.DotStar(
clock,
data,
self.rows * self.columns,
brightness=brightness,
auto_write=False,
)
def clear(self): def clear(self):
"""Clear the display. """Clear the display.
Does NOT update the LEDs Does NOT update the LEDs
""" """
self.display.fill((0,0,0)) self.display.fill((0, 0, 0))
def fill(self, color): def fill(self, color):
"""Fills the wing with a color. """Fills the wing with a color.
@ -70,13 +70,11 @@ class DotstarFeatherwing:
""" """
self.display.fill(color) self.display.fill(color)
def show(self): def show(self):
"""Update the LEDs. """Update the LEDs.
""" """
self.display.show() self.display.show()
def set_color(self, row, column, color): def set_color(self, row, column, color):
"""Set the color of the specified pixel. """Set the color of the specified pixel.
@ -85,8 +83,7 @@ class DotstarFeatherwing:
:param (int, int, int) color: The color to set the pixel to :param (int, int, int) color: The color to set the pixel to
""" """
self.display[row * self.columns + column] = color self.display[row * self.columns + column] = color
def get_color(self, row, column): def get_color(self, row, column):
"""Get the color of the specified pixel. Returns teh color as an RGB tripple. """Get the color of the specified pixel. Returns teh color as an RGB tripple.
@ -94,8 +91,7 @@ class DotstarFeatherwing:
:param int column: The column (0-11) of the pixel to set :param int column: The column (0-11) of the pixel to set
""" """
return self.display[row * self.columns + column] return self.display[row * self.columns + column]
def shift_into_left(self, stripe): def shift_into_left(self, stripe):
""" Shift a column of pixels into the left side of the display. """ Shift a column of pixels into the left side of the display.
@ -107,7 +103,6 @@ class DotstarFeatherwing:
self.display[rightmost + c] = self.display[rightmost + c + 1] self.display[rightmost + c] = self.display[rightmost + c + 1]
self.display[rightmost + self.columns - 1] = stripe[r] self.display[rightmost + self.columns - 1] = stripe[r]
def shift_into_right(self, stripe): def shift_into_right(self, stripe):
""" Shift a column of pixels into the rightside of the display. """ Shift a column of pixels into the rightside of the display.
@ -118,7 +113,6 @@ class DotstarFeatherwing:
for c in range(self.columns - 1): for c in range(self.columns - 1):
self.display[leftmost - c] = self.display[(leftmost - c) - 1] self.display[leftmost - c] = self.display[(leftmost - c) - 1]
self.display[(leftmost - self.columns) + 1] = stripe[r] self.display[(leftmost - self.columns) + 1] = stripe[r]
def shift_into_top(self, stripe, offset=0): def shift_into_top(self, stripe, offset=0):
""" Shift a column of pixels into the rightside of the display. """ Shift a column of pixels into the rightside of the display.
@ -129,9 +123,10 @@ class DotstarFeatherwing:
for c in range(self.columns): for c in range(self.columns):
bottommost = (self.rows - 1) * self.columns bottommost = (self.rows - 1) * self.columns
for r in range(self.rows - 1): for r in range(self.rows - 1):
self.display[bottommost + c - (r * self.columns)] = self.display[bottommost + c - ((r + 1) * self.columns)] self.display[bottommost + c - (r * self.columns)] = self.display[
bottommost + c - ((r + 1) * self.columns)
]
self.display[c] = stripe[c + offset] self.display[c] = stripe[c + offset]
def number_to_pixels(self, x, color, bit_count=6): def number_to_pixels(self, x, color, bit_count=6):
"""Convert an integer (0..63) into an array of 6 pixels. """Convert an integer (0..63) into an array of 6 pixels.
@ -148,7 +143,6 @@ class DotstarFeatherwing:
pixels.append(color) pixels.append(color)
val = val >> 1 val = val >> 1
return pixels return pixels
def character_to_numbers(self, font, char): def character_to_numbers(self, font, char):
"""Convert a letter to the sequence of column values to display. """Convert a letter to the sequence of column values to display.
@ -158,7 +152,6 @@ class DotstarFeatherwing:
""" """
return font[char] return font[char]
def shift_in_character(self, font, c, color=(0x00, 0x40, 0x00), delay=0.2): def shift_in_character(self, font, c, color=(0x00, 0x40, 0x00), delay=0.2):
"""Shifts a single character onto the display from the right edge. """Shifts a single character onto the display from the right edge.
@ -170,7 +163,7 @@ class DotstarFeatherwing:
if c.upper() in font: if c.upper() in font:
matrix = self.character_to_numbers(font, c.upper()) matrix = self.character_to_numbers(font, c.upper())
else: else:
matrix = self.character_to_numbers(font, 'UNKNOWN') matrix = self.character_to_numbers(font, "UNKNOWN")
for stripe in matrix: for stripe in matrix:
self.shift_into_right(self.number_to_pixels(stripe, color)) self.shift_into_right(self.number_to_pixels(stripe, color))
self.show() self.show()
@ -179,7 +172,6 @@ class DotstarFeatherwing:
self.show() self.show()
time.sleep(delay) time.sleep(delay)
def shift_in_string(self, font, s, color=(0x00, 0x40, 0x00), delay=0.2): def shift_in_string(self, font, s, color=(0x00, 0x40, 0x00), delay=0.2):
"""Shifts a string onto the display from the right edge. """Shifts a string onto the display from the right edge.
@ -191,7 +183,6 @@ class DotstarFeatherwing:
for c in s: for c in s:
self.shift_in_character(font, c, color, delay) self.shift_in_character(font, c, color, delay)
# Display an image # Display an image
def display_image(self, image, color): def display_image(self, image, color):
"""Display an mono-colored image. """Display an mono-colored image.
@ -199,13 +190,12 @@ class DotstarFeatherwing:
:param [string] image: the textual bitmap, 'X' for set pixels, anything else for others :param [string] image: the textual bitmap, 'X' for set pixels, anything else for others
:param (int) color: the color to set "on" pixels to :param (int) color: the color to set "on" pixels to
""" """
self.display_colored_image(image, {'X': color}) self.display_colored_image(image, {"X": color})
def display_colored_image(self, image, colors): def display_colored_image(self, image, colors):
"""Display an multi-colored image. """Display an multi-colored image.
:param [string] image: the textual bitmap, character are looked up in colors for the :param [string] image: the textual bitmap, character are looked up in colors for the
corresponding pixel color, anything not in the map is off corresponding pixel color, anything not in the map is off
:param {char -> (int, int, int)} colors: a map of characters in the image data to colors to use :param {char -> (int, int, int)} colors: a map of characters in the image data to colors to use
""" """
@ -218,7 +208,6 @@ class DotstarFeatherwing:
else: else:
self.display[index] = (0, 0, 0) self.display[index] = (0, 0, 0)
self.display.show() self.display.show()
def display_animation(self, animation, colors, count=1, delay=0.1): def display_animation(self, animation, colors, count=1, delay=0.1):
"""Display a multi-colored animation. """Display a multi-colored animation.
@ -237,8 +226,3 @@ class DotstarFeatherwing:
first_frame = False first_frame = False
self.display_colored_image(frame, colors) self.display_colored_image(frame, colors)
count = count - 1 count = count - 1