mirror of
https://github.com/Hopiu/rpi-rgb-led-matrix.git
synced 2026-05-17 03:21:09 +00:00
75 lines
2.6 KiB
Makefile
75 lines
2.6 KiB
Makefile
# Creating RGB matrix library
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# When you link this library with your binary, you need to add -lrt -lm -lpthread
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# So
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# -lrgbmatrix
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##
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OBJECTS=gpio.o led-matrix.o framebuffer.o thread.o bdf-font.o graphics.o transformer.o
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TARGET=librgbmatrix.a
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###
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# After you change any of the following DEFINES, make sure to 'make clean'
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# and make again
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###
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# If you see that your display is inverse, you might have a matrix variant
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# has uses inverse logic for the RGB bits. In that case: uncomment this.
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#DEFINES+=-DINVERSE_RGB_DISPLAY_COLORS
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# For curiosity reasons: uncomment to see refresh rate in terminal.
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#DEFINES+=-DSHOW_REFRESH_RATE
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# The signal can be too fast for some LED panels, in particular with newer
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# (faster) Raspberry Pi 2s.
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# In these cases, you want to make sure that
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# - The cables are short enough from the GPIO header to the panel.
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# - Maybe use an active level shifter and bus driver, for instance by building
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# up one of the adapter-PCBs in the ../adapter/ directory or use
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# the Adafruit HAT. The output drivers of the GPIO are not really good
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# in driving long cables - this will improve the situation.
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#
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# If the above fails or you can't implement them, try uncommenting the
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# following line and recompile; it will slow down GPIO, but will as well reduce
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# the frame-rate.
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#DEFINES+=-DRGB_SLOWDOWN_GPIO
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# ------------ Pinout options; usually no change needed here --------------
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# Uncomment the following line for Adafruit Matrix HAT gpio mappings
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#DEFINES+=-DADAFRUIT_RGBMATRIX_HAT
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# Uncomment the following line for Adafruit Matrix HAT gpio mappings with GPIO
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# 4 and 18 connected to enable using the Raspberry Pi PWM hardware.
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#DEFINES+=-DADAFRUIT_RGBMATRIX_HAT_PWM
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# If you have used this library before July 2015 and have wired it up, then
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# you need to define RGB_CLASSIC_PINOUT for your panel to work. The standard
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# pinout changed so that we can make use of the PWM pin for much more stable
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# timing. So even if you have the classic pinout, you might consider wiring
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# up the new one (sorry for the inconvenience).
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#DEFINES+=-DRGB_CLASSIC_PINOUT
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# If you use RGB_CLASSIC_PINOUT and use Raspberry Pi 1, Revision A,
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# this might be useful.
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#DEFINES+=-DONLY_SINGLE_CHAIN
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INCDIR=../include
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CXXFLAGS=-Wall -O3 -g -fPIC $(DEFINES)
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$(TARGET) : $(OBJECTS)
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ar rcs $@ $^
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led-matrix.o: led-matrix.cc $(INCDIR)/led-matrix.h
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thread.o : thread.cc $(INCDIR)/thread.h
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framebuffer.o: framebuffer.cc framebuffer-internal.h
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graphics.o: graphics.cc utf8-internal.h
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%.o : %.cc compiler-flags
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$(CXX) -I$(INCDIR) $(CXXFLAGS) -c -o $@ $<
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clean:
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rm -f $(OBJECTS) $(TARGET)
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compiler-flags: FORCE
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@echo '$(CXXFLAGS)' | cmp -s - $@ || echo '$(CXXFLAGS)' > $@
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.PHONY: FORCE
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