Some initial work on behavior bindings for keymaps

1 files changed, 52 insertions, 41 deletions

diff --git a/app/src/keymap.c b/app/src/keymap.c
index 1cb705e..386de81 100644
--- a/app/src/keymap.c
+++ b/app/src/keymap.c
@@ -3,22 +3,48 @@
 LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
 #include <zmk/keymap.h>
 #include <dt-bindings/zmk/matrix-transform.h>
+#include <drivers/behavior.h>
 #include <sys/util.h>
 
 static u32_t zmk_keymap_layer_state = 0;
 static u8_t zmk_keymap_layer_default = 0;
 
+struct zmk_behavior_binding {
+	char *behavior_dev;
+	u32_t param1;
+	u32_t param2;
+};
+
+#define ZMK_KEYMAP_NODE DT_CHOSEN(zmk_keymap)
+#define ZMK_KEYMAP_LAYERS_LEN DT_PROP_LEN(ZMK_KEYMAP_NODE, layers)
+
+#define LAYER_NODE(l) DT_PHANDLE_BY_IDX(ZMK_KEYMAP_NODE, layers, l)
+
+#define BINDING_FOR_IDX(layer,idx) \
+	{ .behavior_dev = DT_LABEL(DT_PHANDLE_BY_IDX(DT_PHANDLE_BY_IDX(ZMK_KEYMAP_NODE, layers, layer), bindings, idx)), \
+	  .param1 = COND_CODE_0(DT_PHA_HAS_CELL_AT_IDX(LAYER_NODE(layer), bindings, idx, param1), (0), (DT_PHA_BY_IDX(LAYER_NODE(layer), bindings, idx, param1))), \
+	  .param2 = COND_CODE_0(DT_PHA_HAS_CELL_AT_IDX(LAYER_NODE(layer), bindings, idx, param2), (0), (DT_PHA_BY_IDX(LAYER_NODE(layer), bindings, idx, param2))), \
+	}
+
 #if DT_NODE_HAS_PROP(ZMK_KEYMAP_NODE, transform)
 #define ZMK_KEYMAP_TRANSFORM_NODE DT_PHANDLE(ZMK_KEYMAP_NODE, transform)
 #define ZMK_KEYMAP_LEN DT_PROP_LEN(ZMK_KEYMAP_TRANSFORM_NODE, map)
 
 #define _TRANSFORM_ENTRY(i, l) \
-	[(KT_ROW(DT_PROP_BY_IDX(ZMK_KEYMAP_TRANSFORM_NODE, map, i)) * ZMK_MATRIX_COLS) + KT_COL(DT_PROP_BY_IDX(ZMK_KEYMAP_TRANSFORM_NODE, map, i))] = DT_PROP_BY_IDX(DT_PHANDLE_BY_IDX(ZMK_KEYMAP_NODE, layers, l), keys, i),
+	[(KT_ROW(DT_PROP_BY_IDX(ZMK_KEYMAP_TRANSFORM_NODE, map, i)) * ZMK_MATRIX_COLS) + KT_COL(DT_PROP_BY_IDX(ZMK_KEYMAP_TRANSFORM_NODE, map, i))] = BINDING_FOR_IDX(l,i),
+
+#else
+
+#define ZMK_KEYMAP_LEN DT_PROP_LEN(ZMK_KEYMAP_NODE, bindings)
+#define _TRANSFORM_ENTRY(i, l) \
+	BINDING_FOR_IDX(l,i),
+
+#endif
 
 #define TRANSFORMED_LAYER(idx) \
-  { UTIL_LISTIFY(ZMK_KEYMAP_LEN, _TRANSFORM_ENTRY, idx) }
+  { UTIL_LISTIFY(DT_PROP_LEN(DT_PHANDLE_BY_IDX(ZMK_KEYMAP_NODE, layers, idx), bindings), _TRANSFORM_ENTRY, idx) }
 
-static zmk_key zmk_keymap[ZMK_KEYMAP_LAYERS_LEN][ZMK_MATRIX_ROWS * ZMK_MATRIX_COLS] = {
+static struct zmk_behavior_binding zmk_keymap[ZMK_KEYMAP_LAYERS_LEN][ZMK_MATRIX_ROWS * ZMK_MATRIX_COLS] = {
 #if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 0)
 	TRANSFORMED_LAYER(0),
 #endif
@@ -51,36 +77,7 @@ static zmk_key zmk_keymap[ZMK_KEYMAP_LAYERS_LEN][ZMK_MATRIX_ROWS * ZMK_MATRIX_CO
 #endif
 };
 
-#else
-
-static zmk_key zmk_keymap[ZMK_KEYMAP_LAYERS_LEN][ZMK_MATRIX_ROWS * ZMK_MATRIX_COLS] = {
-#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 0)
-	DT_PROP_BY_PHANDLE_IDX(ZMK_KEYMAP_NODE, layers, 0, keys),
-#endif
-#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 1)
-	DT_PROP_BY_PHANDLE_IDX(ZMK_KEYMAP_NODE, layers, 1, keys),
-#endif
-#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 2)
-	DT_PROP_BY_PHANDLE_IDX(ZMK_KEYMAP_NODE, layers, 2, keys),
-#endif
-#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 3)
-	DT_PROP_BY_PHANDLE_IDX(ZMK_KEYMAP_NODE, layers, 3, keys),
-#endif
-#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 4)
-	DT_PROP_BY_PHANDLE_IDX(ZMK_KEYMAP_NODE, layers, 4, keys),
-#endif
-#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 5)
-	DT_PROP_BY_PHANDLE_IDX(ZMK_KEYMAP_NODE, layers, 5, keys),
-#endif
-#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 6)
-	DT_PROP_BY_PHANDLE_IDX(ZMK_KEYMAP_NODE, layers, 6, keys),
-#endif
-#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 7)
-	DT_PROP_BY_PHANDLE_IDX(ZMK_KEYMAP_NODE, layers, 7, keys),
-#endif
-};
-
-#endif
+// #else
 
 #define SET_LAYER_STATE(layer, state)                \
 	if (layer >= 32)                                 \
@@ -100,24 +97,38 @@ bool zmk_keymap_layer_deactivate(u8_t layer)
 	SET_LAYER_STATE(layer, false);
 };
 
-zmk_key zmk_keymap_keycode_from_position(u32_t row, u32_t column)
+int zmk_keymap_position_state_changed(u32_t row, u32_t column, bool pressed)
 {
 	for (int layer = ZMK_KEYMAP_LAYERS_LEN - 1; layer >= zmk_keymap_layer_default; layer--)
 	{
 		if ((zmk_keymap_layer_state & BIT(layer)) == BIT(layer) || layer == zmk_keymap_layer_default)
 		{
 			u8_t key_index = (row * ZMK_MATRIX_COLS) + column;
-			LOG_DBG("Getting key at index %d", key_index);
+			struct zmk_behavior_binding *binding = &zmk_keymap[layer][key_index];
+			struct device *behavior;
+			int ret;
 
-			zmk_key key = zmk_keymap[layer][key_index];
-			if (key == ZC_TRNS)
-			{
-				continue;
+			LOG_DBG("key index: %d, binding name: %s", key_index, binding->behavior_dev);
+
+			behavior = device_get_binding(binding->behavior_dev);
+			if (pressed) {
+				ret = behavior_position_pressed(behavior, binding->param1, binding->param2);
+			} else {
+				ret = behavior_position_released(behavior, binding->param1, binding->param2);
 			}
+			
 
-			return key;
+			if (ret > 0) {
+				LOG_DBG("behavior processing to continue to next layer");
+				continue;
+			} else if (ret < 0) {
+				LOG_DBG("Behavior returned error: %d", ret);
+				return ret; 
+			} else {
+				return ret;
+			}
 		}
 	}
 
-	return ZC_NO;
+	return -ENOTSUP;
 }