Files
zsa_qmk_firmware/lib/python/qmk/cli/generate/keyboard_c.py
Pascal Getreuer ca50603741
Some checks failed
Build firmware / build-firmware (default) (push) Has been cancelled
Build firmware / build-firmware (oryx) (push) Has been cancelled
Add Chordal Hold to zsa/qmk_firmware. (#405)
* Add Chordal Hold to zsa/qmk_firmware.

* Add chordal_hold_layout weak def for Moonlander.
2025-02-07 08:34:26 +07:00

238 lines
7.9 KiB
Python
Executable File

"""Used by the make system to generate keyboard.c from info.json.
"""
import bisect
import dataclasses
from typing import Optional
from milc import cli
from qmk.info import info_json
from qmk.commands import dump_lines
from qmk.keyboard import keyboard_completer, keyboard_folder
from qmk.path import normpath
from qmk.constants import GPL2_HEADER_C_LIKE, GENERATED_HEADER_C_LIKE
def _gen_led_configs(info_data):
lines = []
if 'layout' in info_data.get('rgb_matrix', {}):
lines.extend(_gen_led_config(info_data, 'rgb_matrix'))
if 'layout' in info_data.get('led_matrix', {}):
lines.extend(_gen_led_config(info_data, 'led_matrix'))
return lines
def _gen_led_config(info_data, config_type):
"""Convert info.json content to g_led_config
"""
cols = info_data['matrix_size']['cols']
rows = info_data['matrix_size']['rows']
lines = []
matrix = [['NO_LED'] * cols for _ in range(rows)]
pos = []
flags = []
led_layout = info_data[config_type]['layout']
for index, led_data in enumerate(led_layout):
if 'matrix' in led_data:
row, col = led_data['matrix']
matrix[row][col] = str(index)
pos.append(f'{{{led_data.get("x", 0)}, {led_data.get("y", 0)}}}')
flags.append(str(led_data.get('flags', 0)))
if config_type == 'rgb_matrix':
lines.append('#ifdef RGB_MATRIX_ENABLE')
lines.append('#include "rgb_matrix.h"')
elif config_type == 'led_matrix':
lines.append('#ifdef LED_MATRIX_ENABLE')
lines.append('#include "led_matrix.h"')
lines.append('__attribute__ ((weak)) led_config_t g_led_config = {')
lines.append(' {')
for line in matrix:
lines.append(f' {{ {", ".join(line)} }},')
lines.append(' },')
lines.append(f' {{ {", ".join(pos)} }},')
lines.append(f' {{ {", ".join(flags)} }},')
lines.append('};')
lines.append('#endif')
lines.append('')
return lines
def _gen_matrix_mask(info_data):
"""Convert info.json content to matrix_mask
"""
cols = info_data['matrix_size']['cols']
rows = info_data['matrix_size']['rows']
# Default mask to everything disabled
mask = [['0'] * cols for _ in range(rows)]
# Mirror layout macros squashed on top of each other
for layout_name, layout_data in info_data['layouts'].items():
for key_data in layout_data['layout']:
row, col = key_data['matrix']
if row >= rows or col >= cols:
cli.log.error(f'Skipping matrix_mask due to {layout_name} containing invalid matrix values')
return []
mask[row][col] = '1'
lines = []
lines.append('#ifdef MATRIX_MASKED')
lines.append('__attribute__((weak)) const matrix_row_t matrix_mask[] = {')
for i in range(rows):
lines.append(f' 0b{"".join(reversed(mask[i]))},')
lines.append('};')
lines.append('#endif')
lines.append('')
return lines
@dataclasses.dataclass
class LayoutKey:
"""Geometric info for one key in a layout."""
row: int
col: int
x: float
y: float
w: float = 1.0
h: float = 1.0
hand: Optional[str] = None
@staticmethod
def from_json(key_json):
row, col = key_json['matrix']
return LayoutKey(
row=row,
col=col,
x=key_json['x'],
y=key_json['y'],
w=key_json.get('w', 1.0),
h=key_json.get('h', 1.0),
hand=key_json.get('hand', None),
)
@property
def cx(self):
"""Center x coordinate of the key."""
return self.x + self.w / 2.0
@property
def cy(self):
"""Center y coordinate of the key."""
return self.y + self.h / 2.0
class Layout:
"""Geometric info of a layout."""
def __init__(self, layout_json):
self.keys = [LayoutKey.from_json(key_json) for key_json in layout_json['layout']]
self.x_min = min(key.cx for key in self.keys)
self.x_max = max(key.cx for key in self.keys)
self.x_mid = (self.x_min + self.x_max) / 2
# If there is one key with width >= 6u, it is probably the spacebar.
i = [i for i, key in enumerate(self.keys) if key.w >= 6.0]
self.spacebar = self.keys[i[0]] if len(i) == 1 else None
def is_symmetric(self, tol: float = 0.02):
"""Whether the key positions are symmetric about x_mid."""
x = sorted([key.cx for key in self.keys])
for i in range(len(x)):
x_i_mirrored = 2.0 * self.x_mid - x[i]
# Find leftmost x element greater than or equal to (x_i_mirrored - tol).
j = bisect.bisect_left(x, x_i_mirrored - tol)
if j == len(x) or abs(x[j] - x_i_mirrored) > tol:
return False
return True
def widest_horizontal_gap(self):
"""Finds the x midpoint of the widest horizontal gap between keys."""
x = sorted([key.cx for key in self.keys])
x_mid = self.x_mid
max_sep = 0
for i in range(len(x) - 1):
sep = x[i + 1] - x[i]
if sep > max_sep:
max_sep = sep
x_mid = (x[i + 1] + x[i]) / 2
return x_mid
def _gen_chordal_hold_layout(info_data):
"""Convert info.json content to chordal_hold_layout
"""
# NOTE: If there are multiple layouts, only the first is read.
for layout_name, layout_json in info_data['layouts'].items():
layout = Layout(layout_json)
break
if layout.is_symmetric():
# If the layout is symmetric (e.g. most split keyboards), guess the
# handedness based on the sign of (x - layout.x_mid).
hand_signs = [key.x - layout.x_mid for key in layout.keys]
elif layout.spacebar is not None:
# If the layout has a spacebar, form a dividing line through the spacebar,
# nearly vertical but with a slight angle to follow typical row stagger.
x0 = layout.spacebar.cx - 0.05
y0 = layout.spacebar.cy - 1.0
hand_signs = [(key.x - x0) - (key.y - y0) / 3.0 for key in layout.keys]
else:
# Fallback: assume handedness based on the widest horizontal separation.
x_mid = layout.widest_horizontal_gap()
hand_signs = [key.x - x_mid for key in layout.keys]
for key, hand_sign in zip(layout.keys, hand_signs):
if key.hand is None:
if key == layout.spacebar or abs(hand_sign) <= 0.02:
key.hand = '*'
else:
key.hand = 'L' if hand_sign < 0.0 else 'R'
lines = []
lines.append('#ifdef CHORDAL_HOLD')
line = ('__attribute__((weak)) const char chordal_hold_layout[MATRIX_ROWS][MATRIX_COLS] PROGMEM = ' + layout_name + '(')
x_prev = None
for key in layout.keys:
if x_prev is None or key.x < x_prev:
lines.append(line)
line = ' '
line += f"'{key.hand}', "
x_prev = key.x
lines.append(line[:-2])
lines.append(');')
lines.append('#endif')
return lines
@cli.argument('-o', '--output', arg_only=True, type=normpath, help='File to write to')
@cli.argument('-q', '--quiet', arg_only=True, action='store_true', help="Quiet mode, only output error messages")
@cli.argument('-kb', '--keyboard', arg_only=True, type=keyboard_folder, completer=keyboard_completer, required=True, help='Keyboard to generate keyboard.c for.')
@cli.subcommand('Used by the make system to generate keyboard.c from info.json', hidden=True)
def generate_keyboard_c(cli):
"""Generates the keyboard.h file.
"""
kb_info_json = info_json(cli.args.keyboard)
# Build the layouts.h file.
keyboard_c_lines = [GPL2_HEADER_C_LIKE, GENERATED_HEADER_C_LIKE, '#include QMK_KEYBOARD_H', '']
keyboard_c_lines.extend(_gen_led_configs(kb_info_json))
keyboard_c_lines.extend(_gen_matrix_mask(kb_info_json))
keyboard_c_lines.extend(_gen_chordal_hold_layout(kb_info_json))
# Show the results
dump_lines(cli.args.output, keyboard_c_lines, cli.args.quiet)