1 files changed, 55 insertions, 0 deletions
diff --git a/app/src/behaviors/behavior_momentary_layer.c b/app/src/behaviors/behavior_momentary_layer.c
new file mode 100644
index 0000000..f85d33d
--- /dev/null
+++ b/app/src/behaviors/behavior_momentary_layer.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2020 Peter Johanson <peter@peterjohanson.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#define DT_DRV_COMPAT zmk_behavior_momentary_layer
+
+#include <device.h>
+#include <drivers/behavior.h>
+#include <logging/log.h>
+
+#include <zmk/events.h>
+#include <zmk/keymap.h>
+
+LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
+
+struct behavior_mo_config { };
+struct behavior_mo_data { };
+
+static int behavior_mo_init(struct device *dev)
+{
+	return 0;
+};
+
+
+static int on_keymap_binding_pressed(struct device *dev, u32_t position, u32_t layer, u32_t _)
+{
+  LOG_DBG("position %d layer %d", position, layer);
+
+  return zmk_keymap_layer_activate(layer);
+}
+
+static int on_keymap_binding_released(struct device *dev, u32_t position, u32_t layer, u32_t _)
+{
+  LOG_DBG("position %d layer %d", position, layer);
+
+  return zmk_keymap_layer_deactivate(layer);
+}
+
+static const struct behavior_driver_api behavior_mo_driver_api = {
+  .binding_pressed = on_keymap_binding_pressed,
+  .binding_released = on_keymap_binding_released
+};
+
+
+static const struct behavior_mo_config behavior_mo_config = {};
+
+static struct behavior_mo_data behavior_mo_data;
+
+DEVICE_AND_API_INIT(behavior_mo, DT_INST_LABEL(0), behavior_mo_init,
+                    &behavior_mo_data,
+                    &behavior_mo_config,
+                    APPLICATION, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
+                    &behavior_mo_driver_api);