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circuits_gpio

2.0.0-pre.0
2.3.0 2.2.0 2.1.3 2.1.2 retired 2.1.1 retired 2.1.0 retired 2.0.2 retired 2.0.1 retired 2.0.0 retired 2.0.0-pre.6 retired 2.0.0-pre.5 retired 2.0.0-pre.4 retired 2.0.0-pre.3 retired 2.0.0-pre.2 retired 2.0.0-pre.1 retired 2.0.0-pre.0 retired 1.2.2 1.2.1 1.2.0 1.1.0 1.0.1 1.0.0 0.4.8 0.4.7 0.4.6 0.4.5 0.4.4 0.4.3 0.4.2 0.4.1 0.4.0 0.3.1 0.3.0 0.2.0 0.1.0

Use GPIOs in Elixir

Retired package: Release invalid - Use v2.0.0 or later
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circuits_gpio c_src detect_target.sh
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c_src/detect_target.sh 

#!/bin/sh



# SPDX-FileCopyrightText: 2018 Frank Hunleth, Mark Sebald, Matt Ludwigs

#

# SPDX-License-Identifier: Apache-2.0



#

# Detect the platform and output -D flags for use in compilation

#



if [ -z "$CC" ]; then

  CC=cc

fi



#

# Raspberry Pi check

#



# Is the bcmhost.h header file available?

if [ -e /opt/vc/include/bcm_host.h ]; then

    EXTRA_CFLAGS=-I/opt/vc/include

fi



$CC $CFLAGS $EXTRA_CFLAGS -o /dev/null -xc - 2>/dev/null <<EOF

#include <bcm_host.h>



int main(int argc,char *argv[]) {

    return 0;

}

EOF

if [ "$?" = "0" ]; then

    printf -- "-DTARGET_RPI $EXTRA_CFLAGS -lbcm_host"

fi