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feat(behaviors): Add local ID system for behaviors

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* Add a new feature for tracking a given behavior by a new concept
  of a "behavior local ID" which is a stable 16-bit identifier for
  a given behavior, that is resilient to new behaviors being added
  and requires no additional work on the part of the behavior
  authors.
* Add implementations for either settings lookup table, or CRC16
  hashing of behavior device names for generating behavior local
  IDs.
This commit is contained in:
Peter Johanson
2024-04-17 16:44:22 -07:00
committed by Pete Johanson
parent f7c34c70ba
commit 483a4930e9
6 changed files with 217 additions and 1 deletions
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19
app/include/drivers/behavior.h
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@@ -108,6 +108,15 @@ struct zmk_behavior_ref {
const struct zmk_behavior_metadata metadata;
};
#if IS_ENABLED(CONFIG_ZMK_BEHAVIOR_LOCAL_IDS)
struct zmk_behavior_local_id_map {
const struct device *device;
zmk_behavior_local_id_t local_id;
};
#endif // IS_ENABLED(CONFIG_ZMK_BEHAVIOR_LOCAL_IDS)
#define ZMK_BEHAVIOR_REF_DT_NAME(node_id) _CONCAT(zmk_behavior_, DEVICE_DT_NAME_GET(node_id))
#if IS_ENABLED(CONFIG_ZMK_BEHAVIOR_METADATA)
@@ -125,9 +134,17 @@ struct zmk_behavior_ref {
#define ZMK_BEHAVIOR_REF_INITIALIZER(node_id, _dev) \
{ .device = _dev, .metadata = ZMK_BEHAVIOR_METADATA_INITIALIZER(node_id), }
#define ZMK_BEHAVIOR_LOCAL_ID_MAP_INITIALIZER(node_id, _dev) \
{ .device = _dev, }
#define ZMK_BEHAVIOR_REF_DEFINE(name, node_id, _dev) \
static const STRUCT_SECTION_ITERABLE(zmk_behavior_ref, name) = \
ZMK_BEHAVIOR_REF_INITIALIZER(node_id, _dev)
ZMK_BEHAVIOR_REF_INITIALIZER(node_id, _dev); \
COND_CODE_1(IS_ENABLED(CONFIG_ZMK_BEHAVIOR_LOCAL_IDS), \
(static const STRUCT_SECTION_ITERABLE(zmk_behavior_local_id_map, \
_CONCAT(_zmk_behavior_local_id_map, name)) = \
ZMK_BEHAVIOR_LOCAL_ID_MAP_INITIALIZER(node_id, _dev)), \
());
#define ZMK_BEHAVIOR_REF_DT_DEFINE(node_id) \
ZMK_BEHAVIOR_REF_DEFINE(ZMK_BEHAVIOR_REF_DT_NAME(node_id), node_id, DEVICE_DT_GET(node_id))