1 files changed, 57 insertions, 0 deletions
diff --git a/app/src/behaviors/behavior_ext_power.c b/app/src/behaviors/behavior_ext_power.c
new file mode 100644
index 0000000..825f983
--- /dev/null
+++ b/app/src/behaviors/behavior_ext_power.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#define DT_DRV_COMPAT zmk_behavior_ext_power
+
+#include <device.h>
+#include <devicetree.h>
+#include <drivers/behavior.h>
+#include <drivers/ext_power.h>
+
+#include <dt-bindings/zmk/ext_power.h>
+
+#include <logging/log.h>
+LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
+
+static int on_keymap_binding_pressed(struct zmk_behavior_binding *binding,
+                                     struct zmk_behavior_binding_event event) {
+    struct device *ext_power = device_get_binding("EXT_POWER");
+    if (ext_power == NULL) {
+        LOG_ERR("Unable to retrieve ext_power device: %d", binding->param1);
+        return -EIO;
+    }
+
+    switch (binding->param1) {
+    case EXT_POWER_OFF_CMD:
+        return ext_power_disable(ext_power);
+    case EXT_POWER_ON_CMD:
+        return ext_power_enable(ext_power);
+    case EXT_POWER_TOGGLE_CMD:
+        if (ext_power_get(ext_power) > 0)
+            return ext_power_disable(ext_power);
+        else
+            return ext_power_enable(ext_power);
+    default:
+        LOG_ERR("Unknown ext_power command: %d", binding->param1);
+    }
+
+    return -ENOTSUP;
+}
+
+static int on_keymap_binding_released(struct zmk_behavior_binding *binding,
+                                      struct zmk_behavior_binding_event event) {
+    return 0;
+}
+
+static int behavior_ext_power_init(struct device *dev) { return 0; };
+
+static const struct behavior_driver_api behavior_ext_power_driver_api = {
+    .binding_pressed = on_keymap_binding_pressed,
+    .binding_released = on_keymap_binding_released,
+};
+
+DEVICE_AND_API_INIT(behavior_ext_power, DT_INST_LABEL(0), behavior_ext_power_init, NULL, NULL,
+                    APPLICATION, CONFIG_APPLICATION_INIT_PRIORITY, &behavior_ext_power_driver_api);