Update README.md

README.md

@@ -1,6 +1,13 @@
-AnotterKiosk
+N-AnotterKiosk (Not-AnotterKiosk)
 =============================
 
+### I have hacked this about alot from the main branch, mainly Raspberry Pi changes
+ - Removed the RO filesystem
+ - Added scheduled screen on/off
+ - Added scheduled chrome page refresh
+ - Rpi3 Overclock settings
+ - Disabled KMS driver for HW screen rotation (screen rotated portrait by default)
+
 ### Overview
 Another kiosk browser OS? Yes, this one is a little bit opinionated :)  
 
@@ -69,4 +76,4 @@ Whenever the heartbeat stops (for whatever reason), the device will first restar
 
 ### Inspiration / Other Kiosk-OSes:
 - https://github.com/jareware/chilipie-kiosk/
-- https://github.com/guysoft/FullPageOS
+- https://github.com/guysoft/FullPageOS

kiosk_skeleton/boot/kioskbrowser.ini

@@ -17,6 +17,8 @@ reboot_time = 04:00
 ; configure screen to power on/off as specific time of day (time format in 24 hours)
 ;screen_off_time=23:00
 ;screen_on_time=07:00
+; configure chrome to refresh the page every x minutes
+;refresh_screen_every_x_min=15
 
 [wifi]
 ; If you need more complex WiFi settings (like WPA2-Enterprise, hidden SSIDs, etc.)

kiosk_skeleton/build.sh

@@ -80,6 +80,8 @@ systemctl enable nginx
 systemctl enable ssh
 systemctl enable kiosk-sechedule-screen.service
 systemctl enable schedule-reboot.service
+systemctl enable screen-refresh.service
+systemctl enable setup-screen-refresh.service
 
 
 # generate a version info/build info file

kiosk_skeleton/etc/systemd/system/screen-refresh.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=Refresh Screen
+After=graphical.target
+
+[Service]
+Type=oneshot
+User=pi
+Environment=DISPLAY=:0
+Environment=XAUTHORITY=/home/pi/.Xauthority
+ExecStart=/usr/bin/refresh-screen

kiosk_skeleton/etc/systemd/system/setup-refresh-timer.service

@@ -0,0 +1,11 @@
+[Unit]
+Description=Initial screen refresh timer setup
+After=network.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/setup-refresh-timer
+RemainAfterExit=true
+
+[Install]
+WantedBy=multi-user.target

kiosk_skeleton/usr/bin/refresh-screen

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+export DISPLAY=:0
+/usr/bin/xdotool key F5

kiosk_skeleton/usr/bin/setup-refresh-timer

@@ -0,0 +1,61 @@
+#!/bin/bash
+
+INI_FILE="/boot/kioskbrowser.ini"
+REFRESH_INTERVAL=$(awk -F '=' '/^\[screen\]/ { in_screen=1; next }
+                                in_screen && /^\[/ { in_screen=0 }
+                                in_screen && $1 ~ /refresh_screen_every_x_min/ { gsub(/ /, "", $2); print $2 }' "$INI_FILE")
+
+# Function to safely remount root FS
+remount_root() {
+    local mode=$1
+    echo "Remounting root filesystem as $mode..."
+    mount -o remount,"$mode" / || {
+        echo "Failed to remount root as $mode"
+        exit 1
+    }
+}
+
+# Safely check if REFRESH_INTERVAL is a positive integer
+if [[ "$REFRESH_INTERVAL" =~ ^[0-9]+$ ]] && (( REFRESH_INTERVAL > 0 )); then
+    echo "Setting up screen refresh every $REFRESH_INTERVAL minutes..."
+
+    SERVICE_UNIT="/etc/systemd/system/screen-refresh.service"
+    TIMER_UNIT="/etc/systemd/system/screen-refresh.timer"
+
+    # Remount as read-write
+    remount_root rw
+
+    # Write unit files
+    cat <<EOF | tee "$SERVICE_UNIT" > /dev/null
+[Unit]
+Description=Refresh Screen
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/refresh-screen
+EOF
+
+    cat <<EOF | tee "$TIMER_UNIT" > /dev/null
+[Unit]
+Description=Run screen refresh every $REFRESH_INTERVAL minutes
+
+[Timer]
+OnBootSec=1min
+OnUnitActiveSec=${REFRESH_INTERVAL}min
+Persistent=false
+
+[Install]
+WantedBy=timers.target
+EOF
+
+    # Reload and enable timer
+    systemctl daemon-reload
+    systemctl enable --now screen-refresh.timer
+
+    # Remount as read-only
+    remount_root ro
+
+    echo "Screen refresh timer setup complete."
+else
+    echo "Invalid or missing refresh interval"
+fi

raspberry_pi_skeleton/boot/cmdline.txt

@@ -1 +1 @@
-console=serial0,115200 console=tty1 root=PARTUUID=544c6228-02 rootfstype=ext4 ro rootwait logo.nologo consoleblank=0 loglevel=0 quiet
+console=serial0,115200 console=tty1 root=PARTUUID=544c6228-02 rootfstype=ext4 rw rootwait logo.nologo consoleblank=0 loglevel=0 quiet

raspberry_pi_skeleton/boot/config.txt

@@ -28,11 +28,14 @@
 enable_uart=1
 disable_splash=1
 dtparam=audio=on
-gpu_mem=128
+gpu_mem=256
 
 # Enable DRM VC4 V3D driver
-dtoverlay=vc4-kms-v3d
-max_framebuffers=2
+#dtoverlay=vc4-kms-v3d
+#max_framebuffers=2
+
+# Rotate the screen
+display_hdmi_rotate=1
 
 # Run in 64-bit mode
 arm_64bit=1
@@ -46,10 +49,15 @@ disable_overscan=1
 # (e.g. for USB device mode) or if USB support is not required.
 otg_mode=1
 
-[all]
+[pi3]
+arm_freq=1350
+core_freq=500
+gpu_freq=500
+over_voltage=4
 
 [pi4]
 # Run as fast as firmware / board allows
 arm_boost=1
 
 [all]
+avoid_warnings=1