105 lines
3.4 KiB
Python
105 lines
3.4 KiB
Python
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Copyright (C) 2021 Guillaume Collic
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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class Keyboard:
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"""
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Code to manage Cherry MX compatible switches and Kailh hotswap socket.
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"""
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STANDARD_KEY_SPACING = 19
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SWITCH_CASE_SIZE = 15.6
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def __init__(self):
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pass
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def pcb_holes(self):
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grid_unit = 1.27
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main_hole_size = 4
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pcb_mount_size = 1.7
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led_hole_size = 1
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pin_hole_size = 2.9
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def grid_hole(x, y, d):
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self.hole(grid_unit * x, grid_unit * y, d=d)
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# main hole
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grid_hole(0, 0, main_hole_size)
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# switch pins
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grid_hole(-3, 2, pin_hole_size)
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grid_hole(2, 4, pin_hole_size)
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grid_hole(-4, 0, pcb_mount_size)
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grid_hole(4, 0, pcb_mount_size)
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def apply_callback_on_columns(self, cb, columns_definition, spacing, reverse=False):
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if reverse:
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columns_definition = list(reversed(columns_definition))
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for offset, nb_keys in columns_definition:
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self.moveTo(0, offset)
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for _ in range(nb_keys):
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cb()
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self.moveTo(0, spacing)
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self.moveTo(spacing, -nb_keys * spacing)
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self.moveTo(0, -offset)
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total_width = len(columns_definition) * spacing
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self.moveTo(-1 * total_width)
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def outer_hole(self, radius=2, centered=True):
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"""
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Draws a rounded square big enough to go around a whole switch (15.6mm)
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"""
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half_size = Keyboard.SWITCH_CASE_SIZE / 2
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if centered:
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self.moveTo(-half_size, -half_size)
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# draw clock wise to work with burn correction
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straight_edge = Keyboard.SWITCH_CASE_SIZE - 2 * radius
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polyline = [straight_edge, (-90, radius)] * 4
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self.moveTo(0, radius, 90)
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self.polyline(*polyline)
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self.moveTo(0, 0, 270)
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self.moveTo(0, -radius)
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self.moveTo(0)
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if centered:
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self.moveTo(half_size, half_size)
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def castle_shaped_plate_cutout(self, centered=True):
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"""
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This cutout shaped like a castle enables switch modding and rotation.
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More information (type 4) on https://geekhack.org/index.php?topic=59837.0
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"""
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half_size = Keyboard.SWITCH_CASE_SIZE / 2
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if centered:
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self.moveTo(-half_size, -half_size)
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# draw clock wise to work with burn correction
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btn_half_side = [0.98, 90, 0.81, -90, 3.5, -90, 0.81, 90, 2.505]
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btn_full_side = [*btn_half_side, 0, *btn_half_side[::-1]]
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btn = [*btn_full_side, -90] * 4
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self.moveTo(0.81, 0.81, 90)
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self.polyline(*btn)
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self.moveTo(0, 0, 270)
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self.moveTo(-0.81, -0.81)
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if centered:
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self.moveTo(half_size, half_size)
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