Allow encoder config from info.json (#17295)

2 files changed, 87 insertions, 0 deletions

diff --git a/lib/python/qmk/cli/generate/config_h.py b/lib/python/qmk/cli/generate/config_h.py
index 893892c479..9d50368aba 100755
--- a/lib/python/qmk/cli/generate/config_h.py
+++ b/lib/python/qmk/cli/generate/config_h.py
@@ -134,6 +134,29 @@ def generate_config_items(kb_info_json, config_h_lines):
             config_h_lines.append(f'#endif // {config_key}')
 
 
+def generate_encoder_config(encoder_json, config_h_lines, postfix=''):
+    """Generate the config.h lines for encoders."""
+    a_pads = []
+    b_pads = []
+    resolutions = []
+    for encoder in encoder_json.get("rotary", []):
+        a_pads.append(encoder["pin_a"])
+        b_pads.append(encoder["pin_b"])
+        resolutions.append(str(encoder.get("resolution", 4)))
+
+    config_h_lines.append(f'#ifndef ENCODERS_PAD_A{postfix}')
+    config_h_lines.append(f'#   define ENCODERS_PAD_A{postfix} {{ { ", ".join(a_pads) } }}')
+    config_h_lines.append(f'#endif // ENCODERS_PAD_A{postfix}')
+
+    config_h_lines.append(f'#ifndef ENCODERS_PAD_B{postfix}')
+    config_h_lines.append(f'#   define ENCODERS_PAD_B{postfix} {{ { ", ".join(b_pads) } }}')
+    config_h_lines.append(f'#endif // ENCODERS_PAD_B{postfix}')
+
+    config_h_lines.append(f'#ifndef ENCODER_RESOLUTIONS{postfix}')
+    config_h_lines.append(f'#   define ENCODER_RESOLUTIONS{postfix} {{ { ", ".join(resolutions) } }}')
+    config_h_lines.append(f'#endif // ENCODER_RESOLUTIONS{postfix}')
+
+
 def generate_split_config(kb_info_json, config_h_lines):
     """Generate the config.h lines for split boards."""
     if 'primary' in kb_info_json['split']:
@@ -173,6 +196,9 @@ def generate_split_config(kb_info_json, config_h_lines):
     if 'right' in kb_info_json['split'].get('matrix_pins', {}):
         config_h_lines.append(matrix_pins(kb_info_json['split']['matrix_pins']['right'], '_RIGHT'))
 
+    if 'right' in kb_info_json['split'].get('encoder', {}):
+        generate_encoder_config(kb_info_json['split']['encoder']['right'], config_h_lines, '_RIGHT')
+
 
 @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")
@@ -198,6 +224,9 @@ def generate_config_h(cli):
     if 'matrix_pins' in kb_info_json:
         config_h_lines.append(matrix_pins(kb_info_json['matrix_pins']))
 
+    if 'encoder' in kb_info_json:
+        generate_encoder_config(kb_info_json['encoder'], config_h_lines)
+
     if 'split' in kb_info_json:
         generate_split_config(kb_info_json, config_h_lines)
 
diff --git a/lib/python/qmk/info.py b/lib/python/qmk/info.py
index 23761d71b7..d308de9db8 100644
--- a/lib/python/qmk/info.py
+++ b/lib/python/qmk/info.py
@@ -218,6 +218,62 @@ def _extract_audio(info_data, config_c):
         info_data['audio'] = {'pins': audio_pins}
 
 
+def _extract_encoders_values(config_c, postfix=''):
+    """Common encoder extraction logic
+    """
+    a_pad = config_c.get(f'ENCODERS_PAD_A{postfix}', '').replace(' ', '')[1:-1]
+    b_pad = config_c.get(f'ENCODERS_PAD_B{postfix}', '').replace(' ', '')[1:-1]
+    resolutions = config_c.get(f'ENCODER_RESOLUTIONS{postfix}', '').replace(' ', '')[1:-1]
+
+    default_resolution = config_c.get('ENCODER_RESOLUTION', '4')
+
+    if a_pad and b_pad:
+        a_pad = list(filter(None, a_pad.split(',')))
+        b_pad = list(filter(None, b_pad.split(',')))
+        resolutions = list(filter(None, resolutions.split(',')))
+        resolutions += [default_resolution] * (len(a_pad) - len(resolutions))
+
+        encoders = []
+        for index in range(len(a_pad)):
+            encoders.append({'pin_a': a_pad[index], 'pin_b': b_pad[index], "resolution": int(resolutions[index])})
+
+        return encoders
+
+
+def _extract_encoders(info_data, config_c):
+    """Populate data about encoder pins
+    """
+    encoders = _extract_encoders_values(config_c)
+    if encoders:
+        if 'encoder' not in info_data:
+            info_data['encoder'] = {}
+
+        if 'rotary' in info_data['encoder']:
+            _log_warning(info_data, 'Encoder config is specified in both config.h and info.json (encoder.rotary) (Value: %s), the config.h value wins.' % info_data['encoder']['rotary'])
+
+        info_data['encoder']['rotary'] = encoders
+
+
+def _extract_split_encoders(info_data, config_c):
+    """Populate data about split encoder pins
+    """
+    encoders = _extract_encoders_values(config_c, '_RIGHT')
+    if encoders:
+        if 'split' not in info_data:
+            info_data['split'] = {}
+
+        if 'encoder' not in info_data['split']:
+            info_data['split']['encoder'] = {}
+
+        if 'right' not in info_data['split']['encoder']:
+            info_data['split']['encoder']['right'] = {}
+
+        if 'rotary' in info_data['split']['encoder']['right']:
+            _log_warning(info_data, 'Encoder config is specified in both config.h and info.json (encoder.rotary) (Value: %s), the config.h value wins.' % info_data['split']['encoder']['right']['rotary'])
+
+        info_data['split']['encoder']['right']['rotary'] = encoders
+
+
 def _extract_secure_unlock(info_data, config_c):
     """Populate data about the secure unlock sequence
     """
@@ -506,6 +562,8 @@ def _extract_config_h(info_data, config_c):
     _extract_split_main(info_data, config_c)
     _extract_split_transport(info_data, config_c)
     _extract_split_right_pins(info_data, config_c)
+    _extract_encoders(info_data, config_c)
+    _extract_split_encoders(info_data, config_c)
     _extract_device_version(info_data)
 
     return info_data