qmk_firmware/lib/python/qmk/cli/generate/keyboard_h.py
2022-09-19 01:35:46 +01:00

97 lines
3.7 KiB
Python
Executable File

"""Used by the make system to generate keyboard.h from info.json.
"""
from pathlib import Path
from milc import cli
from qmk.path import normpath
from qmk.info import info_json
from qmk.commands import dump_lines
from qmk.keyboard import keyboard_completer, keyboard_folder
from qmk.constants import COL_LETTERS, ROW_LETTERS, GPL2_HEADER_C_LIKE, GENERATED_HEADER_C_LIKE
def _generate_layouts(keyboard):
"""Generates the layouts.h file.
"""
# Build the info.json file
kb_info_json = info_json(keyboard)
if 'matrix_size' not in kb_info_json:
cli.log.error(f'{keyboard}: Invalid matrix config.')
return []
col_num = kb_info_json['matrix_size']['cols']
row_num = kb_info_json['matrix_size']['rows']
lines = []
for layout_name in kb_info_json['layouts']:
if kb_info_json['layouts'][layout_name]['c_macro']:
continue
if 'matrix' not in kb_info_json['layouts'][layout_name]['layout'][0]:
cli.log.debug(f'{keyboard}/{layout_name}: No matrix data!')
continue
layout_keys = []
layout_matrix = [['KC_NO' for i in range(col_num)] for i in range(row_num)]
for i, key in enumerate(kb_info_json['layouts'][layout_name]['layout']):
row = key['matrix'][0]
col = key['matrix'][1]
identifier = 'k%s%s' % (ROW_LETTERS[row], COL_LETTERS[col])
try:
layout_matrix[row][col] = identifier
layout_keys.append(identifier)
except IndexError:
key_name = key.get('label', identifier)
cli.log.error(f'Matrix data out of bounds for layout {layout_name} at index {i} ({key_name}): [{row}, {col}]')
return []
lines.append('')
lines.append('#define %s(%s) {\\' % (layout_name, ', '.join(layout_keys)))
rows = ', \\\n'.join(['\t {' + ', '.join(row) + '}' for row in layout_matrix])
rows += ' \\'
lines.append(rows)
lines.append('}')
for alias, target in kb_info_json.get('layout_aliases', {}).items():
lines.append('')
lines.append(f'#ifndef {alias}')
lines.append(f'# define {alias} {target}')
lines.append('#endif')
return lines
@cli.argument('-i', '--include', nargs='?', arg_only=True, help='Optional file to include')
@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.h for.')
@cli.subcommand('Used by the make system to generate keyboard.h from info.json', hidden=True)
def generate_keyboard_h(cli):
"""Generates the keyboard.h file.
"""
keyboard_h = cli.args.include
dd_layouts = _generate_layouts(cli.args.keyboard)
valid_config = dd_layouts or keyboard_h
# Build the layouts.h file.
keyboard_h_lines = [GPL2_HEADER_C_LIKE, GENERATED_HEADER_C_LIKE, '#pragma once', '#include "quantum.h"']
keyboard_h_lines.append('')
keyboard_h_lines.append('// Layout content')
if dd_layouts:
keyboard_h_lines.extend(dd_layouts)
if keyboard_h:
keyboard_h_lines.append(f'#include "{Path(keyboard_h).name}"')
# Protect against poorly configured keyboards
if not valid_config:
keyboard_h_lines.append('#error("<keyboard>.h is required unless your keyboard uses data-driven configuration. Please rename your keyboard\'s header file to <keyboard>.h")')
# Show the results
dump_lines(cli.args.output, keyboard_h_lines, cli.args.quiet)