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fix: Reduce RAM usage in the keymap 

* When not building with runtime keymap support, make the keymap
  const.
This commit is contained in:
Peter Johanson 2024-09-16 22:59:47 -06:00 committed by Pete Johanson
parent 32d0a4bf41
commit a9167b2275
1 changed files with 9 additions and 5 deletions
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14
app/src/keymap.c
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@ -83,7 +83,7 @@ static uint8_t keymap_layer_orders[ZMK_KEYMAP_LAYERS_LEN];
(DT_INST_FOREACH_CHILD_SEP(0, TRANSFORMED_LAYER, (, ))), \
(DT_INST_FOREACH_CHILD_STATUS_OKAY_SEP(0, TRANSFORMED_LAYER, (, ))))};
KEYMAP_VAR(zmk_keymap, )
KEYMAP_VAR(zmk_keymap, COND_CODE_1(IS_ENABLED(CONFIG_ZMK_KEYMAP_SETTINGS_STORAGE), (), (const)))
#if IS_ENABLED(CONFIG_ZMK_KEYMAP_SETTINGS_STORAGE)
@ -238,8 +238,6 @@ zmk_keymap_get_layer_binding_at_idx(zmk_keymap_layer_id_t layer_id, uint8_t bind
static uint8_t zmk_keymap_layer_pending_changes[ZMK_KEYMAP_LAYERS_LEN][PENDING_ARRAY_SIZE];
#endif // IS_ENABLED(CONFIG_ZMK_KEYMAP_SETTINGS_STORAGE)
int zmk_keymap_set_layer_binding_at_idx(zmk_keymap_layer_id_t layer_id, uint8_t binding_idx,
struct zmk_behavior_binding binding) {
if (binding_idx >= ZMK_KEYMAP_LEN) {
@ -248,11 +246,9 @@ int zmk_keymap_set_layer_binding_at_idx(zmk_keymap_layer_id_t layer_id, uint8_t
ASSERT_LAYER_VAL(layer_id, -EINVAL)
#if IS_ENABLED(CONFIG_ZMK_KEYMAP_SETTINGS_STORAGE)
uint8_t *pending = zmk_keymap_layer_pending_changes[layer_id];
WRITE_BIT(pending[binding_idx / 8], binding_idx % 8, 1);
#endif // IS_ENABLED(CONFIG_ZMK_KEYMAP_SETTINGS_STORAGE)
// TODO: Need a mutex to protect access to the keymap data?
memcpy(&zmk_keymap[layer_id][binding_idx], &binding, sizeof(binding));
@ -260,6 +256,14 @@ int zmk_keymap_set_layer_binding_at_idx(zmk_keymap_layer_id_t layer_id, uint8_t
return 0;
}
#else
int zmk_keymap_set_layer_binding_at_idx(zmk_keymap_layer_id_t layer_id, uint8_t binding_idx,
struct zmk_behavior_binding binding) {
return -ENOTSUP;
}
#endif // IS_ENABLED(CONFIG_ZMK_KEYMAP_SETTINGS_STORAGE)
#if IS_ENABLED(CONFIG_ZMK_KEYMAP_LAYER_REORDERING)
#if IS_ENABLED(CONFIG_ZMK_KEYMAP_SETTINGS_STORAGE)