Adafruit HUB 75 Hat, -DRGB_CLASSIC_PINOUT option

[magdesign]

Hi

I'm using an old Adafruit HUB75 Hat to drive the LED matrix. So I must compile your code using the classic wiring option ( -DRGB_CLASSIC_PINOUT)

But I could not figure out where I have to write these -DRGB_CLASSIC_PINOUT arguments. I guess somewhere in the Makefile.....

Thanks for your help!

[hzeller]

If you are using the Adafruit HAT, then you actually need to give -DADAFRUIT_RGBMATRIX_HAT

Have a look in lib/Makefile, there are the options to switch on/off.

[hzeller]

(and let me know if it works, because I don't have a Adafruit HAT to test, so I just implemented that pin-mapping looking at their description)

[magdesign]

Thanks for your help. I uncommented the option and tried to compile, but there is an error, here is what I get:

g++ -Iinclude -Wall -O3 -g -c -o demo-main.o demo-main.cc make -C lib make[1]: Entering directory '/home/pi/rpi-rgb-led-matrix/lib' g++ -I../include -Wall -O3 -g -fPIC -DADAFRUIT_RGBMATRIX_HAT -c -o gpio.o gpio.cc g++ -I../include -Wall -O3 -g -fPIC -DADAFRUIT_RGBMATRIX_HAT -c -o led-matrix.o led-matrix.cc g++ -I../include -Wall -O3 -g -fPIC -DADAFRUIT_RGBMATRIX_HAT -c -o framebuffer.o framebuffer.cc framebuffer.cc: In constructor ‘rgb_matrix::internal::Framebuffer::Framebuffer(int, int, int)’: framebuffer.cc:49:1: error: uninitialized member ‘rgbmatrix::internal::Framebuffer::parallel’ with ‘const’ type ‘const int’ [-fpermissive] framebuffer.cc: In static member function ‘static void rgb_matrix::internal::Framebuffer::InitGPIO(rgbmatrix::GPIO, int)’: framebuffer.cc:83:10: error: ‘struct rgb_matrix::internal::Framebuffer::IoBits::’ has no member named ‘output_enable_rev1’ framebuffer.cc:83:38: error: ‘struct rgb_matrix::internal::Framebuffer::IoBits::’ has no member named ‘output_enable_rev2’ framebuffer.cc:84:10: error: ‘struct rgb_matrix::internal::Framebuffer::IoBits::’ has no member named ‘clock_rev1’ framebuffer.cc:84:30: error: ‘struct rgb_matrix::internal::Framebuffer::IoBits::’ has no member named ‘clock_rev2’ framebuffer.cc:115:27: error: ‘struct rgb_matrix::internal::Framebuffer::IoBits::’ has no member named ‘output_enable_rev1’ framebuffer.cc:116:31: error: ‘struct rgb_matrix::internal::Framebuffer::IoBits::’ has no member named ‘output_enable_rev2’ framebuffer.cc: In member function ‘void rgb_matrix::internal::Framebuffer::DumpToMatrix(rgbmatrix::GPIO)’: framebuffer.cc:324:23: error: ‘struct rgb_matrix::internal::Framebuffer::IoBits::’ has no member named ‘clock_rev1’ framebuffer.cc:324:56: error: ‘struct rgb_matrix::internal::Framebuffer::IoBits::’ has no member named ‘clock_rev2’ framebuffer.cc:333:14: error: ‘struct rgb_matrix::internal::Framebuffer::IoBits::’ has no member named ‘clock_rev1’ framebuffer.cc:333:38: error: ‘struct rgb_matrix::internal::Framebuffer::IoBits::’ has no member named ‘clock_rev2’ Makefile:61: recipe for target 'framebuffer.o' failed make[1]: * [framebuffer.o] Error 1 make[1]: Leaving directory '/home/pi/rpi-rgb-led-matrix/lib' Makefile:23: recipe for target 'lib/librgbmatrix.a' failed make: * [lib/librgbmatrix.a] Error 2

[hzeller]

Uh, give me a minute to fix that ...

[hzeller]

Ok, do a pull and try again ...

[magdesign]

Thanks for your hi-speed support!

Compilation works fine and also the ./led-matrix runs smoothly with 4 LED matrix on a HUB75 Adafruit Hat.

I think you can close the issue.

[hzeller]

Cool.