Start moving towards introspection-based data retrieval (#18441)

1 files changed, 22 insertions, 0 deletions

diff --git a/quantum/keymap_introspection.c b/quantum/keymap_introspection.c
index 179b5eb037..93aab82fcc 100644
--- a/quantum/keymap_introspection.c
+++ b/quantum/keymap_introspection.c
@@ -19,6 +19,17 @@ uint8_t keymap_layer_count(void) {
 
 _Static_assert(NUM_KEYMAP_LAYERS <= MAX_LAYER, "Number of keymap layers exceeds maximum set by LAYER_STATE_(8|16|32)BIT");
 
+uint16_t keycode_at_keymap_location_raw(uint8_t layer_num, uint8_t row, uint8_t column) {
+    if (layer_num < NUM_KEYMAP_LAYERS && row < MATRIX_ROWS && column < MATRIX_COLS) {
+        return pgm_read_word(&keymaps[layer_num][row][column]);
+    }
+    return KC_NO;
+}
+
+__attribute__((weak)) uint16_t keycode_at_keymap_location(uint8_t layer_num, uint8_t row, uint8_t column) {
+    return keycode_at_keymap_location_raw(layer_num, row, column);
+}
+
 #if defined(ENCODER_ENABLE) && defined(ENCODER_MAP_ENABLE)
 
 #    define NUM_ENCODERMAP_LAYERS ((uint8_t)(sizeof(encoder_map) / ((NUM_ENCODERS) * (2) * sizeof(uint16_t))))
@@ -29,4 +40,15 @@ uint8_t encodermap_layer_count(void) {
 
 _Static_assert(NUM_KEYMAP_LAYERS == NUM_ENCODERMAP_LAYERS, "Number of encoder_map layers doesn't match the number of keymap layers");
 
+uint16_t keycode_at_encodermap_location_raw(uint8_t layer_num, uint8_t encoder_idx, bool clockwise) {
+    if (layer_num < NUM_ENCODERMAP_LAYERS && encoder_idx < NUM_ENCODERS) {
+        return pgm_read_word(&encoder_map[layer_num][encoder_idx][clockwise ? 0 : 1]);
+    }
+    return KC_NO;
+}
+
+__attribute__((weak)) uint16_t keycode_at_encodermap_location(uint8_t layer_num, uint8_t encoder_idx, bool clockwise) {
+    return keycode_at_encodermap_location_raw(layer_num, encoder_idx, clockwise);
+}
+
 #endif // defined(ENCODER_ENABLE) && defined(ENCODER_MAP_ENABLE)