diff options
Diffstat (limited to 'meta-agl-demo/recipes-apis/agl-service-can-low-level/files/can-dev-mapping-helper.sh')
| -rw-r--r-- | meta-agl-demo/recipes-apis/agl-service-can-low-level/files/can-dev-mapping-helper.sh | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/meta-agl-demo/recipes-apis/agl-service-can-low-level/files/can-dev-mapping-helper.sh b/meta-agl-demo/recipes-apis/agl-service-can-low-level/files/can-dev-mapping-helper.sh new file mode 100644 index 00000000..c81014f3 --- /dev/null +++ b/meta-agl-demo/recipes-apis/agl-service-can-low-level/files/can-dev-mapping-helper.sh @@ -0,0 +1,36 @@ +#!/bin/bash + +# +# Script to bring up CAN interfaces configured in /etc/dev-mapping.conf +# as vcan interfaces if no physical interface is present. +# + +vcan_up() { + if [ -n "$1" ]; then + echo "Bringing up $1 as virtual CAN device" + ip link add dev $1 type vcan + ip link set up $1 + fi +} + +if [ ! -f /etc/dev-mapping.conf ]; then + exit 0 +fi + +hs=$(grep ^hs= /etc/dev-mapping.conf |cut -d= -f2 |tr -d '"') +ls=$(grep ^ls= /etc/dev-mapping.conf |cut -d= -f2 |tr -d '"') + +if [ -n "$hs" ]; then + echo "Checking $hs" + if ! ifconfig $hs >/dev/null 2>&1; then + vcan_up $hs + fi +fi +if [ -n "$ls" -a "$ls" != "$hs" ]; then + echo "Checking $ls" + if ! ifconfig $ls >/dev/null 2>&1; then + vcan_up $ls + fi +fi + +exit 0 |