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#include <sys/util.h>
#include <logging/log.h>
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
#include <zmk/matrix.h>
#include <zmk/keymap.h>
#include <dt-bindings/zmk/matrix-transform.h>
#include <drivers/behavior.h>
#include <zmk/behavior.h>
#include <zmk/event-manager.h>
#include <zmk/events/position-state-changed.h>
static u32_t zmk_keymap_layer_state = 0;
static u8_t zmk_keymap_layer_default = 0;
#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 _TRANSFORM_ENTRY(idx, layer) \
{ .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))), \
},
#define TRANSFORMED_LAYER(idx) \
{ UTIL_LISTIFY(DT_PROP_LEN(DT_PHANDLE_BY_IDX(ZMK_KEYMAP_NODE, layers, idx), bindings), _TRANSFORM_ENTRY, idx) }
static struct zmk_behavior_binding zmk_keymap[ZMK_KEYMAP_LAYERS_LEN][ZMK_KEYMAP_LEN] = {
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 0)
TRANSFORMED_LAYER(0),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 1)
TRANSFORMED_LAYER(1),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 2)
TRANSFORMED_LAYER(2),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 3)
TRANSFORMED_LAYER(3),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 4)
TRANSFORMED_LAYER(4),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 5)
TRANSFORMED_LAYER(5),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 6)
TRANSFORMED_LAYER(6),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 7)
TRANSFORMED_LAYER(7),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 8)
TRANSFORMED_LAYER(8),
#endif
#if DT_PROP_HAS_IDX(ZMK_KEYMAP_NODE, layers, 9)
TRANSFORMED_LAYER(9),
#endif
};
#define SET_LAYER_STATE(layer, state) \
if (layer >= 32) \
{ \
return -EINVAL; \
} \
WRITE_BIT(zmk_keymap_layer_state, layer, state); \
return 0;
int zmk_keymap_layer_activate(u8_t layer)
{
SET_LAYER_STATE(layer, true);
};
int zmk_keymap_layer_deactivate(u8_t layer)
{
SET_LAYER_STATE(layer, false);
};
int zmk_keymap_position_state_changed(u32_t position, 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)
{
struct zmk_behavior_binding *binding = &zmk_keymap[layer][position];
struct device *behavior;
int ret;
LOG_DBG("layer: %d position: %d, binding name: %s", layer, position, binding->behavior_dev);
behavior = device_get_binding(binding->behavior_dev);
if (!behavior) {
LOG_DBG("No behavior assigned to %d on layer %d", position, layer);
continue;
}
if (pressed) {
ret = behavior_keymap_binding_pressed(behavior, position, binding->param1, binding->param2);
} else {
ret = behavior_keymap_binding_released(behavior, position, binding->param1, binding->param2);
}
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 -ENOTSUP;
}
int keymap_listener(const struct zmk_event_header *eh)
{
if (is_position_state_changed(eh)) {
const struct position_state_changed *ev = cast_position_state_changed(eh);
zmk_keymap_position_state_changed(ev->position, ev->state);
}
return 0;
}
ZMK_LISTENER(keymap, keymap_listener);
ZMK_SUBSCRIPTION(keymap, position_state_changed);
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