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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 time
class DotstarFeatherwing:
"""Test, Image, and Animation support for the DotStar featherwing"""
blank_stripe = [(0, 0, 0),
(0, 0, 0),
(0, 0, 0),
(0, 0, 0),
(0, 0, 0),
(0, 0, 0)]
blank_stripe = [(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."""
def __init__(self, clock, data, brightness=1.0):
"""Create an interface for the display.
@ -52,15 +48,19 @@ class DotstarFeatherwing:
"""
self.rows = 6
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):
"""Clear the display.
Does NOT update the LEDs
"""
self.display.fill((0,0,0))
self.display.fill((0, 0, 0))
def fill(self, color):
"""Fills the wing with a color.
@ -70,13 +70,11 @@ class DotstarFeatherwing:
"""
self.display.fill(color)
def show(self):
"""Update the LEDs.
"""
self.display.show()
def set_color(self, row, column, color):
"""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
"""
self.display[row * self.columns + column] = color
def get_color(self, row, column):
"""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
"""
return self.display[row * self.columns + column]
def shift_into_left(self, stripe):
""" 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 + self.columns - 1] = stripe[r]
def shift_into_right(self, stripe):
""" Shift a column of pixels into the rightside of the display.
@ -118,7 +113,6 @@ class DotstarFeatherwing:
for c in range(self.columns - 1):
self.display[leftmost - c] = self.display[(leftmost - c) - 1]
self.display[(leftmost - self.columns) + 1] = stripe[r]
def shift_into_top(self, stripe, offset=0):
""" Shift a column of pixels into the rightside of the display.
@ -129,9 +123,10 @@ class DotstarFeatherwing:
for c in range(self.columns):
bottommost = (self.rows - 1) * self.columns
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]
def number_to_pixels(self, x, color, bit_count=6):
"""Convert an integer (0..63) into an array of 6 pixels.
@ -148,7 +143,6 @@ class DotstarFeatherwing:
pixels.append(color)
val = val >> 1
return pixels
def character_to_numbers(self, font, char):
"""Convert a letter to the sequence of column values to display.
@ -158,7 +152,6 @@ class DotstarFeatherwing:
"""
return font[char]
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.
@ -170,7 +163,7 @@ class DotstarFeatherwing:
if c.upper() in font:
matrix = self.character_to_numbers(font, c.upper())
else:
matrix = self.character_to_numbers(font, 'UNKNOWN')
matrix = self.character_to_numbers(font, "UNKNOWN")
for stripe in matrix:
self.shift_into_right(self.number_to_pixels(stripe, color))
self.show()
@ -179,7 +172,6 @@ class DotstarFeatherwing:
self.show()
time.sleep(delay)
def shift_in_string(self, font, s, color=(0x00, 0x40, 0x00), delay=0.2):
"""Shifts a string onto the display from the right edge.
@ -191,7 +183,6 @@ class DotstarFeatherwing:
for c in s:
self.shift_in_character(font, c, color, delay)
# Display an image
def display_image(self, image, color):
"""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 (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):
"""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
: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:
self.display[index] = (0, 0, 0)
self.display.show()
def display_animation(self, animation, colors, count=1, delay=0.1):
"""Display a multi-colored animation.
@ -237,8 +226,3 @@ class DotstarFeatherwing:
first_frame = False
self.display_colored_image(frame, colors)
count = count - 1