checking GPIO24 already exported

HilscherAutomation · Apr 2, 2020 · 8f19850 · 8f19850
1 parent 854a0d5
commit 8f19850
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/Dockerfile b/Dockerfile
@@ -14,7 +14,7 @@ LABEL org.label-schema.build-date=$BUILD_DATE \
 RUN [ "cross-build-start" ]
 
 #version
-ENV HILSCHERNETPI_CODESYS_BASIS_VERSION 1.3.1
+ENV HILSCHERNETPI_CODESYS_BASIS_VERSION 1.3.2
 
 #execute all commands as root
 USER root

diff --git a/init.d/entrypoint.sh b/init.d/entrypoint.sh
@@ -61,7 +61,9 @@ if [[ -e "/dev/spidev0.0" ]]&& [[ -e "/dev/net/tun" ]]; then
   echo "cifx0 hardware support (TCP/IP over RTE LAN ports) configured." 
 
   #pre-configure GPIO 24 to serve as interrupt pin between netX chip and BCM CPU
-  echo 24 > /sys/class/gpio/export
+  if [[ ! -e "/sys/class/gpio/gpio24" ]]; then 
+    echo 24 > /sys/class/gpio/export
+  fi
   echo rising > /sys/class/gpio/gpio24/edge
   echo in > /sys/class/gpio/gpio24/direction
   echo 1 > /sys/class/gpio/gpio24/active_low