[Issue] Unprecedented Installation Error

[hiteshhedwig]

Hi,
I was trying to install the binding. It throws an error as mentioned in the readme. But not the same.

# github.com/mcuadros/go-rpi-rgb-led-matrix
../../../work/pkg/mod/github.com/mcuadros/[email protected]/matrix.go:6:10: fatal error: led-matrix-c.h: No such file or directory
 #include <led-matrix-c.h>
          ^~~~~~~~~~~~~~~~
compilation terminated.

How should i deal with it ?

go env

GO111MODULE="on"
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/username/.cache/go-build"
GOENV="/home/username/.config/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/home/username/work/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/home/username/work"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/home/username/gocv_work/src/rgbtest/go.mod"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build058517942=/tmp/go-build -gno-record-gcc-switches"

Any guidance?

[NelsonFrancisco]

Same. Can anyone help?

go env:

GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/username/.cache/go-build"
GOENV="/home/username/.config/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/home/username/.asdf/installs/golang/1.16.6/packages/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/home/username/.asdf/installs/golang/1.16.6/packages"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/home/username/.asdf/installs/golang/1.16.6/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/home/username/.asdf/installs/golang/1.16.6/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.16.6"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/dev/null"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build1790760651=/tmp/go-build -gno-record-gcc-switches"

[hiteshhedwig]

Yes, try using this instead . It worked well in my case. Not to brag but i have written this blog to document what i was doing. Hopefully this helps you. Let me know if you encounter any error.

[NelsonFrancisco]

It works, thanks.

This library looks like an incomplete wrapper over original rpi-rgb-led-matrix. It looks like it does not have the equivalent of rgb_matrix::DrawText for example.

[hiteshhedwig]

No. Library is well complete. Incase you want to draw text. You will have to implement it considering it as an image. See this. It may help you. Toolkit provided in repo is very helpful to understand the basic working. Hopefully, it helps.

[NelsonFrancisco]

This is offtopic, but do you know a font that both:

• supports unicode characters like weather icons
• looks good on a LED display. With no flickering leds because of these "gradient" pixels. For example, the "grey" pixels in these characters