linux: improve systemd service and startup script

mcallegari · Apr 1, 2024 · 8337821 · 8337821
1 parent 650cb6d
commit 8337821
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Showing 2 changed files with 10 additions and 3 deletions.
diff --git a/platforms/linux/qlcplus-start.sh b/platforms/linux/qlcplus-start.sh
@@ -17,7 +17,14 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 
-QLCPLUS_OPTS="-platform eglfs --nowm --web --web-auth --operate --overscan"
+# detect HDMI plug state
+QTPLATFORM="eglfs"
+kmsprint -m | grep connected > /dev/null
+if [ $? -eq 1 ]; then
+    QTPLATFORM="offscreen"
+fi
+
+QLCPLUS_OPTS="-platform $QTPLATFORM --nowm --web --web-auth --operate --overscan"
 
 if [ ! -f $HOME/.qlcplus/eglfs.json ]; then
     mkdir -p $HOME/.qlcplus

diff --git a/platforms/linux/qlcplus.service b/platforms/linux/qlcplus.service
@@ -1,12 +1,12 @@
 [Unit]
 Description=Q Light Controller Plus
 Documentation=man:qlcplus(1)
-After=network.target
+After=basic.target
 
 [Service]
 Type=simple
 User=pi
-Restart=always
+Restart=on-failure
 RestartSec=3
 ExecStart=/usr/sbin/qlcplus-start.sh