# SPDX-FileCopyrightText: Tony DiCola 2017 for Adafruit Industries
#
# SPDX-License-Identifier: MIT
"""
`adafruit_is31fl3731.led_shim`
====================================================
CircuitPython driver for the IS31FL3731 charlieplex IC.
* Author: David Glaude
Implementation Notes
--------------------
**Hardware:**
* `Pimoroni 28 RGB Led Shim
<https://www.adafruit.com/product/3831>`_
**Software and Dependencies:**
* Adafruit CircuitPython firmware for the supported boards:
https://github.com/adafruit/circuitpython/releases
"""
# imports
from . import IS31FL3731
[docs]
class LedShim(IS31FL3731):
"""Supports the LED SHIM by Pimoroni"""
width = 28
height = 3
def __init__(self, i2c, address=0x75):
super().__init__(i2c, address)
# pylint: disable-msg=too-many-arguments
[docs]
def pixelrgb(self, x, r, g, b, blink=None, frame=None):
"""
Blink or brightness for x-pixel
:param x: horizontal pixel position
:param r: red brightness value 0->255
:param g: green brightness value 0->255
:param b: blue brightness value 0->255
:param blink: True to blink
:param frame: the frame to set the pixel
"""
super().pixel(x, 0, r, blink, frame)
super().pixel(x, 1, g, blink, frame)
super().pixel(x, 2, b, blink, frame)
# pylint: disable=inconsistent-return-statements
# pylint: disable=too-many-return-statements
# pylint: disable=too-many-branches
[docs]
@staticmethod
def pixel_addr(x, y):
"""Translate an x,y coordinate to a pixel index."""
if y == 0:
if x < 7:
return 118 - x
if x < 15:
return 141 - x
if x < 21:
return 106 + x
if x == 21:
return 15
return x - 14
if y == 1:
if x < 2:
return 69 - x
if x < 7:
return 86 - x
if x < 12:
return 28 - x
if x < 14:
return 45 - x
if x == 14:
return 47
if x == 15:
return 41
if x < 21:
return x + 9
if x == 21:
return 95
if x < 26:
return x + 67
return x + 50
if x == 0:
return 85
if x < 7:
return 102 - x
if x < 11:
return 44 - x
if x < 14:
return 61 - x
if x == 14:
return 63
if x < 17:
return 42 + x
if x < 21:
return x + 25
if x == 21:
return 111
if x < 27:
return x + 83
return 93