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libgpiod: add package for library and tools

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libgpiod is a C library with corresponding tools for interacting
with the linux GPIO character device (gpiod stands for GPIO device).

Since linux 4.8 the GPIO sysfs interface is deprecated. User space should use
the character device instead. This library encapsulates the ioctl calls and
data structures behind a straightforward API.

Signed-off-by: Michael Heimpold <mhei@heimpold.de>
This commit is contained in:
Michael Heimpold 2018-02-11 18:19:35 +01:00
parent 301b0808a6
commit 59350addd0
1 changed files with 79 additions and 0 deletions
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79
libs/libgpiod/Makefile Normal file
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#
# Copyright (C) 2018 Michael Heimpold <mhei@heimpold.de>
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
PKG_NAME:=libgpiod
PKG_VERSION:=1.0
PKG_RELEASE:=1
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
PKG_SOURCE_URL:=@KERNEL/software/libs/libgpiod/
PKG_HASH:=34c76b3730b9d4a1159bcb14000f78b1e890251b8a3823b794fa930654eabdd0
PKG_LICENSE:=LGPL-2.1+
PKG_LICENSE_FILES:=COPYING
PKG_MAINTAINER:=Michael Heimpold <mhei@heimpold.de>
PKG_INSTALL:=1
PKG_BUILD_PARALLEL:=1
include $(INCLUDE_DIR)/package.mk
ifneq ($(CONFIG_PACKAGE_gpiod-tools),)
CONFIGURE_ARGS += --enable-tools
endif
define Package/libgpiod
SECTION:=libs
CATEGORY:=Libraries
URL:=https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git
TITLE:=Library for interacting with Linux's GPIO character device
DEPENDS:=@GPIO_SUPPORT
endef
define Package/libgpiod/description
C library for interacting with the linux GPIO character device
(gpiod stands for GPIO device).
endef
define Package/gpiod-tools
SECTION:=utils
CATEGORY:=Utilities
TITLE:=Tools for interacting with GPIO pins
DEPENDS:=+libgpiod
endef
define Package/gpiod-tools/description
Tools for interacting with the linux GPIO character device
(gpiod stands for GPIO device).
endef
define Build/InstallDev
$(INSTALL_DIR) $(1)/usr/include
$(CP) $(PKG_INSTALL_DIR)/usr/include/gpiod.h $(1)/usr/include/
$(INSTALL_DIR) $(1)/usr/lib
$(CP) $(PKG_INSTALL_DIR)/usr/lib/libgpiod.{so*,a} $(1)/usr/lib/
$(INSTALL_DIR) $(1)/usr/lib/pkgconfig
$(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/libgpiod.pc $(1)/usr/lib/pkgconfig/
endef
define Package/libgpiod/install
$(INSTALL_DIR) $(1)/usr/lib
$(CP) $(PKG_INSTALL_DIR)/usr/lib/libgpiod.so* $(1)/usr/lib/
endef
define Package/gpiod-tools/install
$(INSTALL_DIR) $(1)/usr/bin
$(CP) $(PKG_INSTALL_DIR)/usr/bin/* $(1)/usr/bin/
endef
$(eval $(call BuildPackage,libgpiod))
$(eval $(call BuildPackage,gpiod-tools))