1 files changed, 49 insertions, 0 deletions
diff --git a/circuitpython/devices/ble_hci/common-hal/_bleio/Attribute.c b/circuitpython/devices/ble_hci/common-hal/_bleio/Attribute.c
new file mode 100644
index 0000000..b1b31d6
--- /dev/null
+++ b/circuitpython/devices/ble_hci/common-hal/_bleio/Attribute.c
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Dan Halbert for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "py/runtime.h"
+
+#include "shared-bindings/_bleio/Attribute.h"
+#include "shared-bindings/_bleio/Characteristic.h"
+#include "shared-bindings/_bleio/Descriptor.h"
+#include "shared-bindings/_bleio/Service.h"
+
+
+bleio_uuid_obj_t *bleio_attribute_get_uuid(mp_obj_t *attribute) {
+    if (mp_obj_is_type(attribute, &bleio_characteristic_type)) {
+        bleio_characteristic_obj_t *characteristic = MP_OBJ_TO_PTR(attribute);
+        return characteristic->uuid;
+    }
+    if (mp_obj_is_type(attribute, &bleio_descriptor_type)) {
+        bleio_descriptor_obj_t *descriptor = MP_OBJ_TO_PTR(attribute);
+        return descriptor->uuid;
+    }
+    if (mp_obj_is_type(attribute, &bleio_service_type)) {
+        bleio_service_obj_t *service = MP_OBJ_TO_PTR(attribute);
+        return service->uuid;
+    }
+    mp_raise_RuntimeError(translate("Invalid BLE attribute"));
+}