Implement data driven dip switches

data/mappings/info_config.hjson

@@ -45,6 +45,10 @@
     // Combos
     "COMBO_TERM": {"info_key": "combo.term", "value_type": "int"},
 
+    "DIP_SWITCH_MATRIX_GRID": {"info_key": "dip_switch.matrix_grid", "value_type": "array.array.int", "to_json": false},
+    "DIP_SWITCH_PINS": {"info_key": "dip_switch.pins", "value_type": "array"},
+    "DIP_SWITCH_PINS_RIGHT": {"info_key": "split.dip_switch.right.pins", "value_type": "array"},
+
     // Dynamic Keymap
     "DYNAMIC_KEYMAP_EEPROM_MAX_ADDR": {"info_key": "dynamic_keymap.eeprom_max_addr", "value_type": "int"},
     "DYNAMIC_KEYMAP_LAYER_COUNT": {"info_key": "dynamic_keymap.layer_count", "value_type": "int"},

data/mappings/info_rules.hjson

@@ -17,6 +17,7 @@
     "BOOTLOADER": {"info_key": "bootloader", "warn_duplicate": false},
     "BOOTMAGIC_ENABLE": {"info_key": "bootmagic.enabled", "value_type": "bool"},
     "CAPS_WORD_ENABLE": {"info_key": "caps_word.enabled", "value_type": "bool"},
+    "DIP_SWITCH_ENABLE": {"info_key": "dip_switch.enabled", "value_type": "bool"},
     "DEBOUNCE_TYPE": {"info_key": "build.debounce_type"},
     "EEPROM_DRIVER": {"info_key": "eeprom.driver"},
     "ENCODER_ENABLE": {"info_key": "encoder.enabled", "value_type": "bool"},

data/schemas/keyboard.jsonschema

@@ -20,7 +20,15 @@
                     }
                 }
             }
-        }
+        },
+        "dip_switch_config": {
+            "type": "object",
+            "properties": {
+                "pins": {
+                    "$ref": "qmk.definitions.v1#/mcu_pin_array"
+                }
+            }
+        },
     },
     "type": "object",
     "not": { "required": [ "vendorId", "productId" ] }, // reject via keys...
@@ -245,6 +253,25 @@
             "type": "array",
             "items": {"$ref": "qmk.definitions.v1#/filename"}
         },
+        "dip_switch": {
+            "$ref": "#/definitions/dip_switch_config",
+            "properties": {
+                "enabled": {"type": "boolean"},
+                "matrix_grid": {
+                    "type": "array",
+                    "minItems": 1,
+                    "items": {
+                        "type": "array",
+                        "minItems": 2,
+                        "maxItems": 2,
+                        "items": {
+                            "type": "integer",
+                            "minimum": 0
+                        }
+                    }
+                }
+            }
+        },
         "eeprom": {
             "properties": {
                 "driver": {"type": "string"},
@@ -621,6 +648,15 @@
                         }
                     }
                 },
+                "dip_switch": {
+                    "type": "object",
+                    "additionalProperties": false,
+                    "properties": {
+                        "right": {
+                            "$ref": "#/definitions/dip_switch_config"
+                        }
+                    }
+                },
                 "encoder": {
                     "type": "object",
                     "additionalProperties": false,

docs/reference_info_json.md

@@ -194,6 +194,20 @@ Configures the [Combo](feature_combo.md) feature.
         * The amount of time to recognize a combo in milliseconds.
         * Default: `50` (50 ms)
 
+## DIP Switches :id=dip-switch
+
+Configures the [DIP Switches](feature_dip_switch.md) feature.
+
+* `dip_switch`
+    * `enabled`
+        * Enable the DIP Switches feature.
+        * Default: `false`
+    * `pins`
+        * A list of GPIO pins connected to the MCU.
+    * `matrix_grid`
+        * A list of matrix locations in the key matrix.
+        * Example: `[ [0,6], [1,6], [2,6] ]`
+
 ## EEPROM :id=eeprom
 
 Configures the [EEPROM](eeprom_driver.md) driver.
@@ -591,6 +605,10 @@ Configures the [Split Keyboard](feature_split_keyboard.md) feature.
     * `bootmagic`
         * `matrix`
             * See [Bootmagic](#bootmagic) config.
+    * `dip_switch`
+        * `right`
+            * `pins`
+                * See [DIP Switches](#dip-switch) config.
     * `enabled`
         * Enable the Split Keyboard feature.
         * Default: `false`

lib/python/qmk/cli/generate/config_h.py

@@ -72,6 +72,12 @@ def generate_matrix_size(kb_info_json, config_h_lines):
         config_h_lines.append(generate_define('MATRIX_ROWS', kb_info_json['matrix_size']['rows']))
 
 
+def generate_matrix_masked(kb_info_json, config_h_lines):
+    """"Enable matrix mask if required"""
+    if 'matrix_grid' in kb_info_json.get('dip_switch', {}):
+        config_h_lines.append(generate_define('MATRIX_MASKED'))
+
+
 def generate_config_items(kb_info_json, config_h_lines):
     """Iterate through the info_config map to generate basic config values.
     """
@@ -196,6 +202,8 @@ def generate_config_h(cli):
 
     generate_matrix_size(kb_info_json, config_h_lines)
 
+    generate_matrix_masked(kb_info_json, config_h_lines)
+
     if 'matrix_pins' in kb_info_json:
         config_h_lines.append(matrix_pins(kb_info_json['matrix_pins']))
 

lib/python/qmk/cli/generate/keyboard_c.py

@@ -57,6 +57,31 @@ def _gen_led_config(info_data):
     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 enabled
+    mask = [['1'] * cols for i in range(rows)]
+
+    # Automatically mask out dip_switch.matrix_grid locations
+    matrix_grid = info_data.get('dip_switch', {}).get('matrix_grid', [])
+    for row, col in matrix_grid:
+        mask[row][col] = '0'
+
+    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')
+
+    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.')
@@ -70,6 +95,7 @@ def generate_keyboard_c(cli):
     keyboard_h_lines = [GPL2_HEADER_C_LIKE, GENERATED_HEADER_C_LIKE, '#include QMK_KEYBOARD_H', '']
 
     keyboard_h_lines.extend(_gen_led_config(kb_info_json))
+    keyboard_h_lines.extend(_gen_matrix_mask(kb_info_json))
 
     # Show the results
     dump_lines(cli.args.output, keyboard_h_lines, cli.args.quiet)