[Buildroot] [PATCH] package/rpi-rgb-led-matrix: new package
Grzegorz Blach
grzegorz at blach.pl
Mon Oct 11 10:06:43 UTC 2021
A library to control commonly available 64x64, 32x32 or 16x32
RGB LED panels with the Raspberry Pi. Can support PWM up to
11Bit per channel, providing true 24bpp color with CIE1931
profile.
Signed-off-by: Grzegorz Blach <grzegorz at blach.pl>
---
Changes v1 -> v2:
- bump to 63e3e7ffdbe88223cc80e1faa508bc4f3cf2bea4 commit
---
DEVELOPERS | 1 +
package/Config.in | 1 +
.../0001-Rename-LDFLAGS-to-RGB_LDFLAGS.patch | 46 +++++++++++
package/rpi-rgb-led-matrix/Config.in | 41 ++++++++++
.../rpi-rgb-led-matrix.hash | 3 +
.../rpi-rgb-led-matrix/rpi-rgb-led-matrix.mk | 79 +++++++++++++++++++
6 files changed, 171 insertions(+)
create mode 100644 package/rpi-rgb-led-matrix/0001-Rename-LDFLAGS-to-RGB_LDFLAGS.patch
create mode 100644 package/rpi-rgb-led-matrix/Config.in
create mode 100644 package/rpi-rgb-led-matrix/rpi-rgb-led-matrix.hash
create mode 100644 package/rpi-rgb-led-matrix/rpi-rgb-led-matrix.mk
diff --git a/DEVELOPERS b/DEVELOPERS
index 7ebfc9234b..56364920f0 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -1097,6 +1097,7 @@ F: package/python-pyjwt/
F: package/python-redis/
F: package/python-rpi-ws281x/
F: package/python-wtforms/
+F: package/rpi-rgb-led-matrix/
N: Guillaume William Brs <guillaume.bressaix at gmail.com>
F: package/libnids/
diff --git a/package/Config.in b/package/Config.in
index 9fed0ab4cb..e107ceb757 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -1603,6 +1603,7 @@ menu "Hardware handling"
source "package/neardal/Config.in"
source "package/owfs/Config.in"
source "package/pcsc-lite/Config.in"
+ source "package/rpi-rgb-led-matrix/Config.in"
source "package/tslib/Config.in"
source "package/uhd/Config.in"
source "package/urg/Config.in"
diff --git a/package/rpi-rgb-led-matrix/0001-Rename-LDFLAGS-to-RGB_LDFLAGS.patch b/package/rpi-rgb-led-matrix/0001-Rename-LDFLAGS-to-RGB_LDFLAGS.patch
new file mode 100644
index 0000000000..f7a92f5fb2
--- /dev/null
+++ b/package/rpi-rgb-led-matrix/0001-Rename-LDFLAGS-to-RGB_LDFLAGS.patch
@@ -0,0 +1,46 @@
+From 056a189836a82b832cd8e6f886cb2090344bfa08 Mon Sep 17 00:00:00 2001
+From: Grzegorz Blach <grzegorz at blach.pl>
+Date: Sat, 29 Aug 2020 20:48:57 +0200
+Subject: [PATCH] Rename LDFLAGS to RGB_LDFLAGS.
+
+This change allows additional flags to be added to the linker
+from the command line.
+
+Signed-off-by: Grzegorz Blach <grzegorz at blach.pl>
+---
+ utils/Makefile | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/utils/Makefile b/utils/Makefile
+index e751adc..e704442 100644
+--- a/utils/Makefile
++++ b/utils/Makefile
+@@ -12,7 +12,7 @@ RGB_INCDIR=$(RGB_LIB_DISTRIBUTION)/include
+ RGB_LIBDIR=$(RGB_LIB_DISTRIBUTION)/lib
+ RGB_LIBRARY_NAME=rgbmatrix
+ RGB_LIBRARY=$(RGB_LIBDIR)/lib$(RGB_LIBRARY_NAME).a
+-LDFLAGS+=-L$(RGB_LIBDIR) -l$(RGB_LIBRARY_NAME) -lrt -lm -lpthread
++RGB_LDFLAGS+=-L$(RGB_LIBDIR) -l$(RGB_LIBRARY_NAME) -lrt -lm -lpthread
+
+ # Imagemagic flags, only needed if actually compiled.
+ MAGICK_CXXFLAGS?=$(shell GraphicsMagick++-config --cppflags --cxxflags)
+@@ -28,13 +28,13 @@ $(RGB_LIBRARY): FORCE
+ $(MAKE) -C $(RGB_LIBDIR)
+
+ text-scroller: text-scroller.o $(RGB_LIBRARY)
+- $(CXX) $(CXXFLAGS) text-scroller.o -o $@ $(LDFLAGS)
++ $(CXX) $(CXXFLAGS) text-scroller.o -o $@ $(LDFLAGS) $(RGB_LDFLAGS)
+
+ led-image-viewer: led-image-viewer.o $(RGB_LIBRARY)
+- $(CXX) $(CXXFLAGS) led-image-viewer.o -o $@ $(LDFLAGS) $(MAGICK_LDFLAGS)
++ $(CXX) $(CXXFLAGS) led-image-viewer.o -o $@ $(LDFLAGS) $(RGB_LDFLAGS) $(MAGICK_LDFLAGS)
+
+ video-viewer: video-viewer.o $(RGB_LIBRARY)
+- $(CXX) $(CXXFLAGS) video-viewer.o -o $@ $(LDFLAGS) $(AV_LDFLAGS)
++ $(CXX) $(CXXFLAGS) video-viewer.o -o $@ $(LDFLAGS) $(RGB_LDFLAGS) $(AV_LDFLAGS)
+
+ %.o : %.cc
+ $(CXX) -I$(RGB_INCDIR) $(CXXFLAGS) -c -o $@ $<
+--
+2.24.3 (Apple Git-128)
+
diff --git a/package/rpi-rgb-led-matrix/Config.in b/package/rpi-rgb-led-matrix/Config.in
new file mode 100644
index 0000000000..5a150a5960
--- /dev/null
+++ b/package/rpi-rgb-led-matrix/Config.in
@@ -0,0 +1,41 @@
+config BR2_PACKAGE_RPI_RGB_LED_MATRIX
+ bool "rpi-rgb-led-matrix"
+ depends on BR2_aarch64 || BR2_arm
+ depends on BR2_INSTALL_LIBSTDCPP
+ depends on BR2_TOOLCHAIN_HAS_THREADS
+ depends on !BR2_STATIC_LIBS
+ help
+ A library to control commonly available 64x64, 32x32 or 16x32
+ RGB LED panels with the Raspberry Pi. Can support PWM up to
+ 11Bit per channel, providing true 24bpp color with CIE1931
+ profile.
+
+ https://github.com/hzeller/rpi-rgb-led-matrix
+
+if BR2_PACKAGE_RPI_RGB_LED_MATRIX
+
+config BR2_PACKAGE_RPI_RGB_LED_MATRIX_IMAGE_VIEWER
+ bool "Build led-image-viewer"
+ select BR2_PACKAGE_GRAPHICSMAGICK
+ help
+ The image viewer reads all kinds of image formats,
+ including animated gifs.
+
+config BR2_PACKAGE_RPI_RGB_LED_MATRIX_TEXT_SCROLLER
+ bool "Build text-scroller"
+ help
+ The text scroller allows to show some scrolling text.
+
+config BR2_PACKAGE_RPI_RGB_LED_MATRIX_VIDEO_VIEWER
+ bool "Build video-viewer"
+ select BR2_PACKAGE_FFMPEG
+ select BR2_PACKAGE_FFMPEG_SWSCALE
+ help
+ The video viewer allows to play common video formats
+ on the RGB matrix (just the picture, no sound).
+
+endif
+
+comment "rpi-rgb-led-matrix needs a toolchain w/ C++, threads, dynamic library"
+ depends on BR2_aarch64 || BR2_arm
+ depends on !(BR2_INSTALL_LIBSTDCPP && BR2_TOOLCHAIN_HAS_THREADS) || BR2_STATIC_LIBS
diff --git a/package/rpi-rgb-led-matrix/rpi-rgb-led-matrix.hash b/package/rpi-rgb-led-matrix/rpi-rgb-led-matrix.hash
new file mode 100644
index 0000000000..3b1cb5fd76
--- /dev/null
+++ b/package/rpi-rgb-led-matrix/rpi-rgb-led-matrix.hash
@@ -0,0 +1,3 @@
+# Locally computed:
+sha256 5efc0293bb180b958079910e968721ff2dac291c435d065ecec9ceba8589567d rpi-rgb-led-matrix-63e3e7ffdbe88223cc80e1faa508bc4f3cf2bea4.tar.gz
+sha256 8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643 COPYING
diff --git a/package/rpi-rgb-led-matrix/rpi-rgb-led-matrix.mk b/package/rpi-rgb-led-matrix/rpi-rgb-led-matrix.mk
new file mode 100644
index 0000000000..55b6b363c1
--- /dev/null
+++ b/package/rpi-rgb-led-matrix/rpi-rgb-led-matrix.mk
@@ -0,0 +1,79 @@
+################################################################################
+#
+# rpi-rgb-led-matrix
+#
+################################################################################
+
+RPI_RGB_LED_MATRIX_VERSION = 63e3e7ffdbe88223cc80e1faa508bc4f3cf2bea4
+RPI_RGB_LED_MATRIX_SITE = $(call github,hzeller,rpi-rgb-led-matrix,$(RPI_RGB_LED_MATRIX_VERSION))
+RPI_RGB_LED_MATRIX_LICENSE = GPL-2.0
+RPI_RGB_LED_MATRIX_LICENSE_FILES = COPYING
+RPI_RGB_LED_MATRIX_INSTALL_STAGING = YES
+
+ifeq ($(BR2_PACKAGE_RPI_RGB_LED_MATRIX_IMAGE_VIEWER),y)
+RPI_RGB_LED_MATRIX_DEPENDENCIES += graphicsmagick
+RPI_RGB_LED_MATRIX_POST_BUILD_HOOKS += RPI_RGB_LED_MATRIX_BUILD_IMAGE_VIEWER_CMDS
+RPI_RGB_LED_MATRIX_POST_INSTALL_TARGET_HOOKS += RPI_RGB_LED_MATRIX_INSTALL_IMAGE_VIEWER_CMDS
+endif
+
+ifeq ($(BR2_PACKAGE_RPI_RGB_LED_MATRIX_TEXT_SCROLLER),y)
+RPI_RGB_LED_MATRIX_POST_BUILD_HOOKS += RPI_RGB_LED_MATRIX_BUILD_TEXT_SCROLLER_CMDS
+RPI_RGB_LED_MATRIX_POST_INSTALL_TARGET_HOOKS += RPI_RGB_LED_MATRIX_INSTALL_TEXT_SCROLLER_CMDS
+endif
+
+ifeq ($(BR2_PACKAGE_RPI_RGB_LED_MATRIX_VIDEO_VIEWER),y)
+RPI_RGB_LED_MATRIX_DEPENDENCIES += ffmpeg
+RPI_RGB_LED_MATRIX_POST_BUILD_HOOKS += RPI_RGB_LED_MATRIX_BUILD_VIDEO_VIEWER_CMDS
+RPI_RGB_LED_MATRIX_POST_INSTALL_TARGET_HOOKS += RPI_RGB_LED_MATRIX_INSTALL_VIDEO_VIEWER_CMDS
+endif
+
+define RPI_RGB_LED_MATRIX_BUILD_CMDS
+ $(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D)/lib all
+endef
+
+define RPI_RGB_LED_MATRIX_BUILD_IMAGE_VIEWER_CMDS
+ $(MAKE) $(TARGET_CONFIGURE_OPTS) \
+ MAGICK_CXXFLAGS="-I$(STAGING_DIR)/usr/include/GraphicsMagick $(shell $(STAGING_DIR)/usr/bin/GraphicsMagick++-config --cxxflags)" \
+ MAGICK_LDFLAGS="-L$(STAGING_DIR)/usr/lib $(shell $(STAGING_DIR)/usr/bin/GraphicsMagick++-config --libs)" \
+ -C $(@D)/utils led-image-viewer
+endef
+
+define RPI_RGB_LED_MATRIX_BUILD_TEXT_SCROLLER_CMDS
+ $(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D)/utils text-scroller
+endef
+
+define RPI_RGB_LED_MATRIX_BUILD_VIDEO_VIEWER_CMDS
+ $(MAKE) $(TARGET_CONFIGURE_OPTS) \
+ AV_CXXFLAGS="$(shell $(HOST_DIR)/bin/pkg-config --cflags libavcodec libavformat libswscale libavutil)" \
+ AV_LDFLAGS="$(shell $(HOST_DIR)/bin/pkg-config --libs libavcodec libavformat libswscale libavutil)" \
+ -C $(@D)/utils video-viewer
+endef
+
+define RPI_RGB_LED_MATRIX_INSTALL_STAGING_CMDS
+ $(INSTALL) -d -m 0755 $(STAGING_DIR)/usr/include/rpi-rgb-led-matrix/
+ $(INSTALL) -m 0644 $(@D)/include/*.h $(STAGING_DIR)/usr/include/rpi-rgb-led-matrix/
+ $(INSTALL) -D -m 0644 $(@D)/lib/librgbmatrix.a $(STAGING_DIR)/usr/lib/librgbmatrix.a
+ $(INSTALL) -D -m 0755 $(@D)/lib/librgbmatrix.so.1 $(STAGING_DIR)/usr/lib/librgbmatrix.so.1
+ ln -sf librgbmatrix.so.1 $(STAGING_DIR)/usr/lib/librgbmatrix.so
+endef
+
+define RPI_RGB_LED_MATRIX_INSTALL_TARGET_CMDS
+ $(INSTALL) -D -m 0755 $(@D)/lib/librgbmatrix.so.1 $(TARGET_DIR)/usr/lib/librgbmatrix.so.1
+ ln -sf librgbmatrix.so.1 $(TARGET_DIR)/usr/lib/librgbmatrix.so
+endef
+
+define RPI_RGB_LED_MATRIX_INSTALL_IMAGE_VIEWER_CMDS
+ $(INSTALL) -D -m 0755 $(@D)/utils/led-image-viewer $(TARGET_DIR)/usr/bin/led-image-viewer
+endef
+
+define RPI_RGB_LED_MATRIX_INSTALL_TEXT_SCROLLER_CMDS
+ $(INSTALL) -D -m 0755 $(@D)/utils/text-scroller $(TARGET_DIR)/usr/bin/text-scroller
+ $(INSTALL) -d -m 0755 $(TARGET_DIR)/usr/share/rpi-rgb-led-matrix/fonts/
+ $(INSTALL) -m 0644 $(@D)/fonts/*.bdf $(TARGET_DIR)/usr/share/rpi-rgb-led-matrix/fonts/
+endef
+
+define RPI_RGB_LED_MATRIX_INSTALL_VIDEO_VIEWER_CMDS
+ $(INSTALL) -D -m 0755 $(@D)/utils/video-viewer $(TARGET_DIR)/usr/bin/video-viewer
+endef
+
+$(eval $(generic-package))
--
2.27.0
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