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-rw-r--r--keyboard/ergodox_ez/readme.md2
-rw-r--r--keyboard/ergodox_ez/util/compile_keymap.py710
-rw-r--r--keyboard/ergodox_ez/util/readme.md3
3 files changed, 714 insertions, 1 deletions
diff --git a/keyboard/ergodox_ez/readme.md b/keyboard/ergodox_ez/readme.md
index 59130129cd..78b825aaa2 100644
--- a/keyboard/ergodox_ez/readme.md
+++ b/keyboard/ergodox_ez/readme.md
@@ -15,7 +15,7 @@ This requires a little bit of familiarity with coding.
1. Go to https://github.com/jackhumbert/qmk_firmware and read the Readme at the base of this repository, top to bottom. Then come back here :)
2. Clone the repository (download it)
-3. Set up a build environment as per [the build guide](/BUILD_GUIDE.md)
+3. Set up a build environment as per [the build guide](/doc/BUILD_GUIDE.md)
- Using a Mac and have homebrew? just run `brew tap osx-cross/avr && brew install avr-libc`
4. Copy `keyboard/ergodox_ez/keymaps/default/keymap.c` into `keymaps/your_name/keymap.c` (for example, `keymaps/german/keymap.c`)
5. Edit this file, changing keycodes to your liking (see "Finding the keycodes you need" below). Try to edit the comments as well, so the "text graphics" represent your layout correctly. See below for more tips on sharing your work.
diff --git a/keyboard/ergodox_ez/util/compile_keymap.py b/keyboard/ergodox_ez/util/compile_keymap.py
new file mode 100644
index 0000000000..7076a6ecb2
--- /dev/null
+++ b/keyboard/ergodox_ez/util/compile_keymap.py
@@ -0,0 +1,710 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""Compiler for keymap.c files
+
+This scrip will generate a keymap.c file from a simple
+markdown file with a specific layout.
+
+Usage:
+ python compile_keymap.py INPUT_PATH [OUTPUT_PATH]
+"""
+from __future__ import division
+from __future__ import print_function
+from __future__ import absolute_import
+from __future__ import unicode_literals
+
+import os
+import io
+import re
+import sys
+import json
+import unicodedata
+import collections
+import itertools as it
+
+PY2 = sys.version_info.major == 2
+
+if PY2:
+ chr = unichr
+
+
+KEYBOARD_LAYOUTS = {
+ # These map positions in the parsed layout to
+ # positions in the KEYMAP MATRIX
+ 'ergodox_ez': [
+ [ 0, 1, 2, 3, 4, 5, 6], [38, 39, 40, 41, 42, 43, 44],
+ [ 7, 8, 9, 10, 11, 12, 13], [45, 46, 47, 48, 49, 50, 51],
+ [14, 15, 16, 17, 18, 19 ], [ 52, 53, 54, 55, 56, 57],
+ [20, 21, 22, 23, 24, 25, 26], [58, 59, 60, 61, 62, 63, 64],
+ [27, 28, 29, 30, 31 ], [ 65, 66, 67, 68, 69],
+ [ 32, 33], [70, 71 ],
+ [ 34], [72 ],
+ [ 35, 36, 37], [73, 74, 75 ],
+ ]
+}
+
+ROW_INDENTS = {
+ 'ergodox_ez': [0, 0, 0, 0, 0, 1, 0, 0, 0, 2, 5, 0, 6, 0, 4, 0]
+}
+
+BLANK_LAYOUTS = [
+# Compact Layout
+"""
+.------------------------------------.------------------------------------.
+| | | | | | | | | | | | | | |
+!-----+----+----+----+----+----------!-----+----+----+----+----+----+-----!
+| | | | | | | | | | | | | | |
+!-----+----+----+----x----x----! ! !----x----x----+----+----+-----!
+| | | | | | |-----!-----! | | | | | |
+!-----+----+----+----x----x----! ! !----x----x----+----+----+-----!
+| | | | | | | | | | | | | | |
+'-----+----+----+----+----+----------'----------+----+----+----+----+-----'
+ | | | | | | ! | | | | |
+ '------------------------' '------------------------'
+ .-----------. .-----------.
+ | | | ! | |
+ .-----+-----+-----! !-----+-----+-----.
+ ! ! | | ! | ! !
+ ! ! !-----! !-----! ! !
+ | | | | ! | | |
+ '-----------------' '-----------------'
+""",
+
+# Wide Layout
+"""
+.---------------------------------------------. .---------------------------------------------.
+| | | | | | | | ! | | | | | | |
+!-------+-----+-----+-----+-----+-------------! !-------+-----+-----+-----+-----+-----+-------!
+| | | | | | | | ! | | | | | | |
+!-------+-----+-----+-----x-----x-----! ! ! !-----x-----x-----+-----+-----+-------!
+| | | | | | |-------! !-------! | | | | | |
+!-------+-----+-----+-----x-----x-----! ! ! !-----x-----x-----+-----+-----+-------!
+| | | | | | | | ! | | | | | | |
+'-------+-----+-----+-----+-----+-------------' '-------------+-----+-----+-----+-----+-------'
+ | | | | | | ! | | | | |
+ '------------------------------' '------------------------------'
+ .---------------. .---------------.
+ | | | ! | |
+ .-------+-------+-------! !-------+-------+-------.
+ ! ! | | ! | ! !
+ ! ! !-------! !-------! ! !
+ | | | | ! | | |
+ '-----------------------' '-----------------------'
+""",
+]
+
+
+DEFAULT_CONFIG = {
+ "keymaps_includes": [
+ "keymap_common.h",
+ ],
+ 'filler': "-+.'!:x",
+ 'separator': "|",
+ 'default_key_prefix': ["KC_"],
+}
+
+
+SECTIONS = [
+ 'layout_config',
+ 'layers',
+]
+
+
+# Markdown Parsing
+
+ONELINE_COMMENT_RE = re.compile(r"""
+ ^ # comment must be at the start of the line
+ \s* # arbitrary whitespace
+ // # start of the comment
+ (.*) # the comment
+ $ # until the end of line
+""", re.MULTILINE | re.VERBOSE
+)
+
+INLINE_COMMENT_RE = re.compile(r"""
+ ([\,\"\[\]\{\}\d]) # anythig that might end a expression
+ \s+ # comment must be preceded by whitespace
+ // # start of the comment
+ \s # and succeded by whitespace
+ (?:[^\"\]\}\{\[]*) # the comment (except things which might be json)
+ $ # until the end of line
+""", re.MULTILINE | re.VERBOSE)
+
+TRAILING_COMMA_RE = re.compile(r"""
+ , # the comma
+ (?:\s*) # arbitrary whitespace
+ $ # only works if the trailing comma is followed by newline
+ (\s*) # arbitrary whitespace
+ ([\]\}]) # end of an array or object
+""", re.MULTILINE | re.VERBOSE)
+
+
+def loads(raw_data):
+ if isinstance(raw_data, bytes):
+ raw_data = raw_data.decode('utf-8')
+
+ raw_data = ONELINE_COMMENT_RE.sub(r"", raw_data)
+ raw_data = INLINE_COMMENT_RE.sub(r"\1", raw_data)
+ raw_data = TRAILING_COMMA_RE.sub(r"\1\2", raw_data)
+ return json.loads(raw_data)
+
+
+def parse_config(path):
+ def reset_section():
+ section.update({
+ 'name': section.get('name', ""),
+ 'sub_name': "",
+ 'start_line': -1,
+ 'end_line': -1,
+ 'code_lines': [],
+ })
+
+ def start_section(line_index, line):
+ end_section()
+ if line.startswith("# "):
+ name = line[2:]
+ elif line.startswith("## "):
+ name = line[3:]
+ else:
+ name = ""
+
+ name = name.strip().replace(" ", "_").lower()
+ if name in SECTIONS:
+ section['name'] = name
+ else:
+ section['sub_name'] = name
+ section['start_line'] = line_index
+
+ def end_section():
+ if section['start_line'] >= 0:
+ if section['name'] == 'layout_config':
+ config.update(loads("\n".join(
+ section['code_lines']
+ )))
+ elif section['sub_name'].startswith('layer'):
+ layer_name = section['sub_name']
+ config['layer_lines'][layer_name] = section['code_lines']
+
+ reset_section()
+
+ def amend_section(line_index, line):
+ section['end_line'] = line_index
+ section['code_lines'].append(line)
+
+ config = DEFAULT_CONFIG.copy()
+ config.update({
+ 'layer_lines': collections.OrderedDict(),
+ 'macro_ids': {'UM'},
+ 'unicode_macros': {},
+ })
+
+ section = {}
+ reset_section()
+
+ with io.open(path, encoding="utf-8") as fh:
+ for i, line in enumerate(fh):
+ if line.startswith("#"):
+ start_section(i, line)
+ elif line.startswith(" "):
+ amend_section(i, line[4:])
+ else:
+ # TODO: maybe parse description
+ pass
+
+ end_section()
+ assert 'layout' in config
+ return config
+
+# header file parsing
+
+IF0_RE = re.compile(r"""
+ ^
+ #if 0
+ $.*?
+ #endif
+""", re.MULTILINE | re.DOTALL | re.VERBOSE)
+
+
+COMMENT_RE = re.compile(r"""
+ /\*
+ .*?
+ \*/"
+""", re.MULTILINE | re.DOTALL | re.VERBOSE)
+
+
+def read_header_file(path):
+ with io.open(path, encoding="utf-8") as fh:
+ data = fh.read()
+ data, _ = COMMENT_RE.subn("", data)
+ data, _ = IF0_RE.subn("", data)
+ return data
+
+
+def regex_partial(re_str_fmt, flags):
+ def partial(*args, **kwargs):
+ re_str = re_str_fmt.format(*args, **kwargs)
+ return re.compile(re_str, flags)
+ return partial
+
+
+KEYDEF_REP = regex_partial(r"""
+ #define
+ \s
+ (
+ (?:{}) # the prefixes
+ (?:\w+) # the key name
+ ) # capture group end
+""", re.MULTILINE | re.DOTALL | re.VERBOSE)
+
+
+ENUM_RE = re.compile(r"""
+ (
+ enum
+ \s\w+\s
+ \{
+ .*? # the enum content
+ \}
+ ;
+ ) # capture group end
+""", re.MULTILINE | re.DOTALL | re.VERBOSE)
+
+
+ENUM_KEY_REP = regex_partial(r"""
+ (
+ {} # the prefixes
+ \w+ # the key name
+ ) # capture group end
+""", re.MULTILINE | re.DOTALL | re.VERBOSE)
+
+
+def parse_keydefs(config, data):
+ prefix_options = "|".join(config['key_prefixes'])
+ keydef_re = KEYDEF_REP(prefix_options)
+ enum_key_re = ENUM_KEY_REP(prefix_options)
+ for match in keydef_re.finditer(data):
+ yield match.groups()[0]
+
+ for enum_match in ENUM_RE.finditer(data):
+ enum = enum_match.groups()[0]
+ for key_match in enum_key_re.finditer(enum):
+ yield key_match.groups()[0]
+
+
+def parse_valid_keys(config, out_path):
+ basepath = os.path.abspath(os.path.join(os.path.dirname(out_path)))
+ dirpaths = []
+ subpaths = []
+ while len(subpaths) < 6:
+ path = os.path.join(basepath, *subpaths)
+ dirpaths.append(path)
+ dirpaths.append(os.path.join(path, "tmk_core", "common"))
+ dirpaths.append(os.path.join(path, "quantum"))
+ subpaths.append('..')
+
+ includes = set(config['keymaps_includes'])
+ includes.add("keycode.h")
+
+ valid_keycodes = set()
+ for dirpath, include in it.product(dirpaths, includes):
+ include_path = os.path.join(dirpath, include)
+ if os.path.exists(include_path):
+ header_data = read_header_file(include_path)
+ valid_keycodes.update(
+ parse_keydefs(config, header_data)
+ )
+ return valid_keycodes
+
+
+# Keymap Parsing
+
+def iter_raw_codes(layer_lines, filler, separator):
+ filler_re = re.compile("[" + filler + " ]")
+ for line in layer_lines:
+ line, _ = filler_re.subn("", line.strip())
+ if not line:
+ continue
+ codes = line.split(separator)
+ for code in codes[1:-1]:
+ yield code
+
+
+def iter_indexed_codes(raw_codes, key_indexes):
+ key_rows = {}
+ key_indexes_flat = []
+
+ for row_index, key_indexes in enumerate(key_indexes):
+ for key_index in key_indexes:
+ key_rows[key_index] = row_index
+ key_indexes_flat.extend(key_indexes)
+ assert len(raw_codes) == len(key_indexes_flat)
+ for raw_code, key_index in zip(raw_codes, key_indexes_flat):
+ # we keep track of the row mostly for layout purposes
+ yield raw_code, key_index, key_rows[key_index]
+
+
+LAYER_CHANGE_RE = re.compile(r"""
+ (DF|TG|MO)\(\d+\)
+""", re.VERBOSE)
+
+
+MACRO_RE = re.compile(r"""
+ M\(\w+\)
+""", re.VERBOSE)
+
+
+UNICODE_RE = re.compile(r"""
+ U[0-9A-F]{4}
+""", re.VERBOSE)
+
+
+NON_CODE = re.compile(r"""
+ ^[^A-Z0-9_]$
+""", re.VERBOSE)
+
+
+def parse_uni_code(raw_code):
+ macro_id = "UC_" + (
+ unicodedata.name(raw_code)
+ .replace(" ", "_")
+ .replace("-", "_")
+ )
+ code = "M({})".format(macro_id)
+ uc_hex = "{:04X}".format(ord(raw_code))
+ return code, macro_id, uc_hex
+
+
+def parse_key_code(raw_code, key_prefixes, valid_keycodes):
+ if raw_code in valid_keycodes:
+ return raw_code
+
+ for prefix in key_prefixes:
+ code = prefix + raw_code
+ if code in valid_keycodes:
+ return code
+
+
+def parse_code(raw_code, key_prefixes, valid_keycodes):
+ if not raw_code:
+ return 'KC_TRNS', None, None
+
+ if LAYER_CHANGE_RE.match(raw_code):
+ return raw_code, None, None
+
+ if MACRO_RE.match(raw_code):
+ macro_id = raw_code[2:-1]
+ return raw_code, macro_id, None
+
+ if UNICODE_RE.match(raw_code):
+ hex_code = raw_code[1:]
+ return parse_uni_code(chr(int(hex_code, 16)))
+
+ if NON_CODE.match(raw_code):
+ return parse_uni_code(raw_code)
+
+ code = parse_key_code(raw_code, key_prefixes, valid_keycodes)
+ return code, None, None
+
+
+def parse_keymap(config, key_indexes, layer_lines, valid_keycodes):
+ keymap = {}
+ raw_codes = list(iter_raw_codes(
+ layer_lines, config['filler'], config['separator']
+ ))
+ indexed_codes = iter_indexed_codes(raw_codes, key_indexes)
+ key_prefixes = config['key_prefixes']
+ for raw_code, key_index, row_index in indexed_codes:
+ code, macro_id, uc_hex = parse_code(
+ raw_code, key_prefixes, valid_keycodes
+ )
+ # TODO: line numbers for invalid codes
+ err_msg = "Could not parse key '{}' on row {}".format(
+ raw_code, row_index
+ )
+ assert code is not None, err_msg
+ # print(repr(raw_code), repr(code), macro_id, uc_hex)
+ if macro_id:
+ config['macro_ids'].add(macro_id)
+ if uc_hex:
+ config['unicode_macros'][macro_id] = uc_hex
+ keymap[key_index] = (code, row_index)
+ return keymap
+
+
+def parse_keymaps(config, valid_keycodes):
+ keymaps = collections.OrderedDict()
+ key_indexes = config.get(
+ 'key_indexes', KEYBOARD_LAYOUTS[config['layout']]
+ )
+ # TODO: maybe validate key_indexes
+
+ for layer_name, layer_lines, in config['layer_lines'].items():
+ keymaps[layer_name] = parse_keymap(
+ config, key_indexes, layer_lines, valid_keycodes
+ )
+ return keymaps
+
+# keymap.c output
+
+USERCODE = """
+// Runs just one time when the keyboard initializes.
+void matrix_init_user(void) {
+
+};
+
+// Runs constantly in the background, in a loop.
+void matrix_scan_user(void) {
+ uint8_t layer = biton32(layer_state);
+
+ ergodox_board_led_off();
+ ergodox_right_led_1_off();
+ ergodox_right_led_2_off();
+ ergodox_right_led_3_off();
+ switch (layer) {
+ case L1:
+ ergodox_right_led_1_on();
+ break;
+ case L2:
+ ergodox_right_led_2_on();
+ break;
+ case L3:
+ ergodox_right_led_3_on();
+ break;
+ case L4:
+ ergodox_right_led_1_on();
+ ergodox_right_led_2_on();
+ break;
+ case L5:
+ ergodox_right_led_1_on();
+ ergodox_right_led_3_on();
+ break;
+ // case L6:
+ // ergodox_right_led_2_on();
+ // ergodox_right_led_3_on();
+ // break;
+ // case L7:
+ // ergodox_right_led_1_on();
+ // ergodox_right_led_2_on();
+ // ergodox_right_led_3_on();
+ // break;
+ default:
+ ergodox_board_led_off();
+ break;
+ }
+};
+"""
+
+MACROCODE = """
+#define UC_MODE_WIN 0
+#define UC_MODE_LINUX 1
+#define UC_MODE_OSX 2
+
+// TODO: allow default mode to be configured
+static uint16_t unicode_mode = UC_MODE_WIN;
+
+uint16_t hextokeycode(uint8_t hex) {{
+ if (hex == 0x0) {{
+ return KC_P0;
+ }}
+ if (hex < 0xA) {{
+ return KC_P1 + (hex - 0x1);
+ }}
+ return KC_A + (hex - 0xA);
+}}
+
+void unicode_action_function(uint16_t hi, uint16_t lo) {{
+ switch (unicode_mode) {{
+ case UC_MODE_WIN:
+ register_code(KC_LALT);
+
+ register_code(KC_PPLS);
+ unregister_code(KC_PPLS);
+
+ register_code(hextokeycode((hi & 0xF0) >> 4));
+ unregister_code(hextokeycode((hi & 0xF0) >> 4));
+ register_code(hextokeycode((hi & 0x0F)));
+ unregister_code(hextokeycode((hi & 0x0F)));
+ register_code(hextokeycode((lo & 0xF0) >> 4));
+ unregister_code(hextokeycode((lo & 0xF0) >> 4));
+ register_code(hextokeycode((lo & 0x0F)));
+ unregister_code(hextokeycode((lo & 0x0F)));
+
+ unregister_code(KC_LALT);
+ break;
+ case UC_MODE_LINUX:
+ register_code(KC_LCTL);
+ register_code(KC_LSFT);
+
+ register_code(KC_U);
+ unregister_code(KC_U);
+
+ register_code(hextokeycode((hi & 0xF0) >> 4));
+ unregister_code(hextokeycode((hi & 0xF0) >> 4));
+ register_code(hextokeycode((hi & 0x0F)));
+ unregister_code(hextokeycode((hi & 0x0F)));
+ register_code(hextokeycode((lo & 0xF0) >> 4));
+ unregister_code(hextokeycode((lo & 0xF0) >> 4));
+ register_code(hextokeycode((lo & 0x0F)));
+ unregister_code(hextokeycode((lo & 0x0F)));
+
+ unregister_code(KC_LCTL);
+ unregister_code(KC_LSFT);
+ break;
+ case UC_MODE_OSX:
+ break;
+ }}
+}}
+
+const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) {{
+ if (!record->event.pressed) {{
+ return MACRO_NONE;
+ }}
+ // MACRODOWN only works in this function
+ switch(id) {{
+ case UM:
+ unicode_mode = (unicode_mode + 1) % 2;
+ break;
+{macro_cases}
+{unicode_macro_cases}
+ default:
+ break;
+ }}
+ return MACRO_NONE;
+}};
+"""
+
+
+UNICODE_MACRO_TEMPLATE = """
+case {macro_id}:
+ unicode_action_function(0x{hi:02x}, 0x{lo:02x});
+ break;
+""".strip()
+
+
+def unicode_macro_cases(config):
+ for macro_id, uc_hex in config['unicode_macros'].items():
+ hi = int(uc_hex, 16) >> 8
+ lo = int(uc_hex, 16) & 0xFF
+ unimacro_keys = ", ".join(
+ "T({})".format(
+ "KP_" + digit if digit.isdigit() else digit
+ ) for digit in uc_hex
+ )
+ yield UNICODE_MACRO_TEMPLATE.format(
+ macro_id=macro_id, hi=hi, lo=lo
+ )
+
+
+def iter_keymap_lines(keymap, row_indents=None):
+ col_widths = {}
+ col = 0
+ # first pass, figure out the column widths
+ prev_row_index = None
+ for code, row_index in keymap.values():
+ if row_index != prev_row_index:
+ col = 0
+ if row_indents:
+ col = row_indents[row_index]
+ col_widths[col] = max(len(code), col_widths.get(col, 0))
+ prev_row_index = row_index
+ col += 1
+
+ # second pass, yield the cell values
+ col = 0
+ prev_row_index = None
+ for key_index in sorted(keymap):
+ code, row_index = keymap[key_index]
+ if row_index != prev_row_index:
+ col = 0
+ yield "\n"
+ if row_indents:
+ for indent_col in range(row_indents[row_index]):
+ pad = " " * (col_widths[indent_col] - 4)
+ yield (" /*-*/" + pad)
+ col = row_indents[row_index]
+ else:
+ yield pad
+ yield " {}".format(code)
+ if key_index < len(keymap) - 1:
+ yield ","
+ # This will be yielded on the next iteration when
+ # we know that we're not at the end of a line.
+ pad = " " * (col_widths[col] - len(code))
+ prev_row_index = row_index
+ col += 1
+
+
+def iter_keymap_parts(config, keymaps):
+ # includes
+ for include_path in config['keymaps_includes']:
+ yield '#include "{}"\n'.format(include_path)
+
+ yield "\n"
+
+ # definitions
+ for i, macro_id in enumerate(sorted(config['macro_ids'])):
+ yield "#define {} {}\n".format(macro_id, i)
+
+ yield "\n"
+
+ for i, layer_name in enumerate(config['layer_lines']):
+ yield '#define L{0:<3} {0:<5} // {1}\n'.format(i, layer_name)
+
+ yield "\n"
+
+ # keymaps
+ yield "const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {\n"
+
+ for i, layer_name in enumerate(config['layer_lines']):
+ # comment
+ layer_lines = config['layer_lines'][layer_name]
+ prefixed_lines = " * " + " * ".join(layer_lines)
+ yield "/*\n{} */\n".format(prefixed_lines)
+
+ # keymap codes
+ keymap = keymaps[layer_name]
+ row_indents = ROW_INDENTS.get(config['layout'])
+ keymap_lines = "".join(iter_keymap_lines(keymap, row_indents))
+ yield "[L{0}] = KEYMAP({1}\n),\n".format(i, keymap_lines)
+
+ yield "};\n\n"
+
+ # no idea what this is for
+ yield "const uint16_t PROGMEM fn_actions[] = {};\n"
+
+ # macros
+ yield MACROCODE.format(
+ macro_cases="",
+ unicode_macro_cases="\n".join(unicode_macro_cases(config)),
+ )
+
+ # TODO: dynamically create blinking lights
+ yield USERCODE
+
+
+def main(argv=sys.argv[1:]):
+ if not argv or '-h' in argv or '--help' in argv:
+ print(__doc__)
+ return 0
+
+ in_path = os.path.abspath(argv[0])
+ if not os.path.exists(in_path):
+ print("No such file '{}'".format(in_path))
+ return 1
+
+ if len(argv) > 1:
+ out_path = os.path.abspath(argv[1])
+ else:
+ dirname = os.path.dirname(in_path)
+ out_path = os.path.join(dirname, "keymap.c")
+
+ config = parse_config(in_path)
+ valid_keys = parse_valid_keys(config, out_path)
+ keymaps = parse_keymaps(config, valid_keys)
+
+ with io.open(out_path, mode="w", encoding="utf-8") as fh:
+ for part in iter_keymap_parts(config, keymaps):
+ fh.write(part)
+
+
+if __name__ == '__main__':
+ sys.exit(main())
diff --git a/keyboard/ergodox_ez/util/readme.md b/keyboard/ergodox_ez/util/readme.md
new file mode 100644
index 0000000000..26c5e5d99c
--- /dev/null
+++ b/keyboard/ergodox_ez/util/readme.md
@@ -0,0 +1,3 @@
+# ErgoDox EZ Utilities
+
+The Python script in this directory, by [mbarkhau](https://github.com/mbarkhau) allows you to write out a basic ErgoDox EZ keymap using Markdown notation, and then transpile it to C, which you can then compile. It's experimental, but if you're not comfortable using C, it's a nice option.