drivers/ieee802154: Add a skeleton IEEE802154 driver

drivers/Kconfig

@@ -373,6 +373,17 @@ if IOEXPANDER
 source drivers/ioexpander/Kconfig
 endif # IOEXPANDER
 
+menuconfig IEEE802154
+	bool "IEEE 802.15-4 Device Support"
+	default n
+	depends on EXPERIMENTAL
+	---help---
+		This directory holds implementations of IEEE802.15.4 device drivers.
+
+if IEEE802154
+source drivers/ieee802154/Kconfig
+endif
+
 menuconfig LCD
 	bool "LCD Driver Support"
 	default n

drivers/Makefile

@@ -54,6 +54,7 @@ include audio$(DELIM)Make.defs
 include bch$(DELIM)Make.defs
 include i2c$(DELIM)Make.defs
 include input$(DELIM)Make.defs
+include ieee802154$(DELIM)Make.defs
 include ioexpander$(DELIM)Make.defs
 include lcd$(DELIM)Make.defs
 include leds$(DELIM)Make.defs

drivers/ieee802154/Kconfig

@@ -0,0 +1,4 @@
+#
+# For a description of the syntax of this configuration file,
+# see the file kconfig-language.txt in the NuttX tools repository.
+#

drivers/ieee802154/Make.defs

@@ -0,0 +1,49 @@
+############################################################################
+# drivers/ieee802154/Make.defs
+#
+#   Copyright (C) 2016 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+# Include nothing if IEEE 802.15-4 is disabled
+
+ifeq ($(CONFIG_IEEE802154),y)
+
+# Include common IEEE 802.15-4
+
+# Include IEEE 802.15.4 drivers
+
+# Include IEEE 802.15.4 build support
+
+DEPPATH += --dep-path ieee802154
+VPATH += :ieee802154
+
+endif # CONFIG_IEEE802154