From cadd797200e339e165dbeff152169e4f4d716e2d Mon Sep 17 00:00:00 2001
From: Julius Mittenzwei <jm@grin.com>
Date: Tue, 28 Nov 2017 08:15:57 +0100
Subject: [PATCH] KNX: Added config option for broadcasting current time to KNX
 bus. (#10654)

---
 homeassistant/components/knx.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/homeassistant/components/knx.py b/homeassistant/components/knx.py
index 3966b490f528f8..d426e79ace9fef 100644
--- a/homeassistant/components/knx.py
+++ b/homeassistant/components/knx.py
@@ -27,6 +27,7 @@
 CONF_KNX_FIRE_EVENT = "fire_event"
 CONF_KNX_FIRE_EVENT_FILTER = "fire_event_filter"
 CONF_KNX_STATE_UPDATER = "state_updater"
+CONF_KNX_TIME_ADDRESS = "time_address"
 
 SERVICE_KNX_SEND = "send"
 SERVICE_KNX_ATTR_ADDRESS = "address"
@@ -60,6 +61,7 @@
             vol.All(
                 cv.ensure_list,
                 [cv.string]),
+        vol.Optional(CONF_KNX_TIME_ADDRESS): cv.string,
         vol.Optional(CONF_KNX_STATE_UPDATER, default=True): cv.boolean,
     })
 }, extra=vol.ALLOW_EXTRA)
@@ -97,6 +99,9 @@ def async_setup(hass, config):
                 ATTR_DISCOVER_DEVICES: found_devices
             }, config))
 
+    if CONF_KNX_TIME_ADDRESS in config[DOMAIN]:
+        _add_time_device(hass, config)
+
     hass.services.async_register(
         DOMAIN, SERVICE_KNX_SEND,
         hass.data[DATA_KNX].service_send_to_knx_bus,
@@ -105,6 +110,17 @@ def async_setup(hass, config):
     return True
 
 
+def _add_time_device(hass, config):
+    """Create time broadcasting device and add it to xknx device queue."""
+    import xknx
+    group_address_time = config[DOMAIN][CONF_KNX_TIME_ADDRESS]
+    time = xknx.devices.Time(
+        hass.data[DATA_KNX].xknx,
+        'Time',
+        group_address=group_address_time)
+    hass.data[DATA_KNX].xknx.devices.add(time)
+
+
 def _get_devices(hass, discovery_type):
     return list(
         map(lambda device: device.name,