Mise à jour de 'optional/luma_led_matrix.md'

optional/luma_led_matrix.md

@@ -1,4 +1,4 @@
-enable SPI:
+### enable SPI:
 ```
 nano /boot/orangepiEnv.txt
 ```
@@ -19,7 +19,7 @@ cd /mnt/dietpi_userdata/luma.led_matrix/examples
 python3 silly_clock.py 
 ```
 
-How to enable rc.local in dietpi :
+### How to enable rc.local in dietpi :
 ```
 if ! [ -f /etc/rc.local ]
 then
@@ -62,3 +62,16 @@ sudo systemctl daemon-reload
 fi
 ```
 
+### How to enable clock autostart in dietpi :
+```
+if ! grep "luma.led_matrix" /etc/rc.local >/dev/null
+then
+sudo sed -i -e "s/exit 0//g" /etc/rc.local
+cat <<'EOF'>> /etc/rc.local
+_IP=$(hostname -I) || true
+python3 /mnt/dietpi_userdata/luma.led_matrix/examples/view_message.py -t "$_IP     $_IP"
+python3 /mnt/dietpi_userdata/luma.led_matrix/examples/silly_clock.py &
+exit 0
+EOF
+fi
+```