From 619458b482b4191007346b841b2c8cfb62a28361 Mon Sep 17 00:00:00 2001
From: Bkg2k <bkg2k9@gmail.com>
Date: Wed, 23 Dec 2020 12:36:56 +0100
Subject: [PATCH] chore(project-cd): add launch_cdrom and udev rules

---
 CHANGELOG.md                                  |  1 +
 RELEASE-NOTES.md                              |  2 ++
 .../udev/rules.d/99-cdrom_autolaunch.rules    |  2 ++
 .../x86/fsoverlay/usr/bin/launch_cdrom        | 29 +++++++++++++++++++
 4 files changed, 34 insertions(+)
 create mode 100644 board/recalbox/fsoverlay/etc/udev/rules.d/99-cdrom_autolaunch.rules
 create mode 100755 board/recalbox/x86/fsoverlay/usr/bin/launch_cdrom

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e5f627de40..2b222d0fa4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -947,6 +947,7 @@ All notable changes to this project have been documented in this file since 8.1.
 - Bump FBNeo
 - Fix videosnaps on x64 gpus
 - Bump Retroarch
+- Improved retroarch support cd 
 
 ## [6.1]
 - Replacement of the neogeo intro video
diff --git a/RELEASE-NOTES.md b/RELEASE-NOTES.md
index 7ee62a4f8c..3f039e40e8 100644
--- a/RELEASE-NOTES.md
+++ b/RELEASE-NOTES.md
@@ -1082,6 +1082,8 @@ as release notes for end user on a Recalbox upgrade.
 - Bump FBNeo to include latest fixes
 - Bump Retroarch to 1.8.1  to include latest fixes & optimizations
 - Bump Doplhin-emu on 5.0-11288 add automatic configuration and netplay compatibility
+- Improved retroarch support cd 
+
 
 ### Fixes
 - Fix Reicast on XU4 and PC platforms and fix wrong flycast entry on Rpi
diff --git a/board/recalbox/fsoverlay/etc/udev/rules.d/99-cdrom_autolaunch.rules b/board/recalbox/fsoverlay/etc/udev/rules.d/99-cdrom_autolaunch.rules
new file mode 100644
index 0000000000..ddb6850383
--- /dev/null
+++ b/board/recalbox/fsoverlay/etc/udev/rules.d/99-cdrom_autolaunch.rules
@@ -0,0 +1,2 @@
+KERNEL=="sr[0-9]*", DRIVERS=="sr", SUBSYSTEM=="block", ACTION=="change", ENV{ID_FS_TYPE}=="iso9660", RUN+="/bin/sh -c '/usr/bin/launch_cdrom'"
+KERNEL=="sr[0-9]*", DRIVERS=="sr", SUBSYSTEM=="block", ACTION=="change", ENV{DISK_EJECT_REQUEST}=="1", RUN+="/bin/rm -f /tmp/cd.conf"
\ No newline at end of file
diff --git a/board/recalbox/x86/fsoverlay/usr/bin/launch_cdrom b/board/recalbox/x86/fsoverlay/usr/bin/launch_cdrom
new file mode 100755
index 0000000000..83aaf06e1d
--- /dev/null
+++ b/board/recalbox/x86/fsoverlay/usr/bin/launch_cdrom
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+mount -o remount, rw /
+
+cdRomLecteur=$(ls /dev/cdrom) ## detect if cdromLecteur exist
+hexDumpCdrom=$(hexdump -C /dev/cdrom |head -n 10) ## scan cdrom for identification 
+
+playstationGame=($(echo "${hexDumpCdrom}" | grep "Sony"))
+dreamcastGame=($(echo "${hexDumpCdrom}" |grep "SEGA SEGAKATANA"))
+saturnGame=($(echo "${hexDumpCdrom}" |grep "SEGA SEGASATURN"))
+segaCdGame=($(echo "${hexDumpCdrom}" | grep "SEGA MEGADRIVE"))
+panasonicGame=($(echo "${hexDumpCdrom}" | grep "The 3DO"))
+pcengineCdGame=($(echo "${hexDumpCdrom}" | grep "PCE"))
+
+if [ "$cdRomLecteur" ] ; then ## detect platform 
+    if [ "$playstationGame" ]; then
+        echo "system = psx" >> /tmp/cd.conf
+    elif [ "$dreamcastGame" ]; then
+        echo "system = dreamcast" >> /tmp/cd.conf
+    elif [ "$saturnGame" ]; then
+        echo "system = saturn" >> /tmp/cd.conf
+    elif [ "$segaCdGame" ]; then
+        echo "system = segacd" >> /tmp/cd.conf
+    elif [ "$panasonicGame" ]; then
+        echo "system = 3do" >> /tmp/cd.conf
+    elif [ "$pcengineCdGame" ]; then
+        echo "system = pcenginecd" >> /tmp/cd.conf
+    fi
+fi
\ No newline at end of file
-- 
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