RCA DSB772WE Streaming Media Player - Revision history

Torsius: /* Hacking */

2012-01-28T19:56:08Z

‎Hacking

Oarsman: moved RCA DSB772WE to RCA DSB772WE Streaming Media Player: expanded the title with description of the device

2012-01-17T16:52:37Z

moved RCA DSB772WE to RCA DSB772WE Streaming Media Player: expanded the title with description of the device

Oarsman: corrected typos

2012-01-17T16:39:10Z

corrected typos

Mathis: /* Hacking */

2012-01-15T14:41:29Z

‎Hacking

Mathis: /* Hacking */

2012-01-15T14:40:52Z

‎Hacking

Mathis: /* Hacking */

2012-01-15T14:38:26Z

‎Hacking

Mathis: /* NAND reading/writing */

2012-01-15T14:34:02Z

‎NAND reading/writing

Mathis: /* Hacking */

2012-01-15T14:33:17Z

‎Hacking

Mathis at 14:26, 15 January 2012

2012-01-15T14:26:25Z

Mathis: /* Hacking */

2012-01-15T14:25:17Z

‎Hacking

@@ Line 46: / Line 46: @@
 ** Tommy J has located the LG ST600 source code
 ** Download [http://www.lg.com/global/support/opensource/opensource.jsp HERE] by selecting "AV & Security Device" and "ST600"
 ** You can also request the source code by emailing sourcecode [at] lge.com
 * I added a usb host connection to the pads marked USB1. it does enumerate HID devices and mass storage devices.

@@ Line 1: / Line 1: @@
 == Description ==
-The RCA Wi-Fi Streaming Media Player brings you a world of movies, TV shows, music, online apps and more — without monthly cable TV or satellite TV subscriptions. Just connect it to your Wi-Fi network, connect its 1080p HDMI output to your TV and you're ready to enjoy internet-connected content on your time and your terms. The product can instantly stream Netflix movies and TV shows (Netflix subscription required). You can rent or buy HD movies and TV shows from VUDU. You can also watch your favorite TV shows and movies on demand from Hulu Plus (subscription required). The player also delivers you a wealth of free services, such as YouTube, VUDU Apps, Pandora Internet Radio and Picasa.
+The RCA Wi-Fi Streaming Media Player brings you a world of movies, TV shows, music, online apps and more — without monthly cable TV or satellite TV subscriptions. Just connect it to your Wi-Fi network, connect its 1080p HDMI output to your HDTV and you're ready to enjoy internet-connected content on your time and your terms. The product can instantly stream Netflix movies and TV shows (Netflix subscription required). You can rent or buy HD movies and TV shows from VUDU. You can also watch your favorite TV shows and movies on demand from Hulu Plus (subscription required). The player also delivers you a wealth of free services, such as YouTube, VUDU Apps, Pandora Internet Radio and Picasa.
 Available from [http://www.walmart.com/ip/RCA-DSB772WE/17693168 Wal-Mart].
@@ Line 17: / Line 17: @@
 ** standard MagJack pads
 ** can be populated with [http://www.sparkfun.com/products/8534 MagJack from Sparkfun.com]
-* pads Console UART
+* pads for Console UART
 ** 3.3V TTL
 ** can be interfaced using a [http://www.sparkfun.com/products/718 USB->UART]
@@ Line 26: / Line 26: @@
 * one [http://www.ti.com/product/pcm1754 TI PCM1754] 24-Bit 192Khz 106dB SNR Stereo DAC (H/W Control)
 * wifi module chipset is a [http://www.broadcom.com/products/Wireless-LAN/802.11-Wireless-LAN-Solutions/BCM4323x-Family Broadcom BCM43235]
-* infared remote manufactured by [http://sditechnologies.com SDI Technologies Inc]
+* infrared remote manufactured by [http://sditechnologies.com SDI Technologies Inc]
 == Pictures ==
@@ Line 47: / Line 47: @@
 ** Download [http://www.lg.com/global/support/opensource/opensource.jsp HERE] by selecting "AV & Security Device" and "ST600"
 ** You can also request the source code by emailing sourcecode [at] lge.com
-* i added a usb host connection to the pads marked USB1. it does enumerate HID devices and mass storage devices.
+* I added a usb host connection to the pads marked USB1. it does enumerate HID devices and mass storage devices.
-* next to connect a serial port to the tx/rx lines to check on console access
+* next, connect a serial port to the tx/rx lines to check on console access
 * the board appears to have been originally populated with the ethernet jack and then removed.
 * firmware update manifest available at: http://us-rca-bdplayer.getfirmware.com/deviceupdate/DSB772WE-1101/DSB772WE-1101.XML
@@ Line 63: / Line 63: @@
 === Root shell ===
-To get a root prompt, you have to press Control-C and login with "root" and now password. The downside to this method is that the device reboots 30 seconds after you killed the foreground process (which you did by pressing Control-C). A work around that is
+To get a root prompt, you have to press Control-C and login with "root" and now password. The downside to this method is that the device reboots 30 seconds after you killed the foreground process (which you did by pressing Control-C). A work around for that is
 * After connecting power quickly press Control-C, this should drop you to a "CFE>" prompt
 * Now enter the following:
@@ Line 71: / Line 71: @@
 === USB storage ===
-The original firmware automatically mounts attached USB thumb drives to /mnt/removable/usba
+The original firmware automatically mounts attached USB thumb drives as /mnt/removable/usba
 * vfat,ext2,ext3 support is confirmed
@@ Line 79: / Line 79: @@
 * prepare two partitions for both kernel and rom, meaning we have a safety net
-To dump the contents of a NAND partition just get a root shell, insert a USB drive into the second USB port you soldered and do the following
+To dump the contents of a NAND partition just obtain a root shell, insert a USB drive into the second USB port (where you soldered a connector) and do the following
 <pre>nanddump /dev/mtd10 -f rootfs.0</pre>
-This will dump the first rootfs partition. Whatever you do, DO NOT, I repeat '''DO NOT''' overwrite any other NAND partition other than /dev/mtd12 (rootfs.1) and /dev/mtd15 (vmlinux.1) if you are not '''ABSOLUTELY''' sure what you are doing. These two are the second kernel and root partition and even if you fill them with garbage the device will still work aferwards
+This will dump the first rootfs partition. Whatever you do, DO NOT, I repeat '''DO NOT''' overwrite any other NAND partition other than /dev/mtd12 (rootfs.1) and /dev/mtd15 (vmlinux.1) if you are not '''ABSOLUTELY''' sure of what you are doing. These two are the second kernel and root partition and even if you overwrite them with garbage the device will still work afterwards
 To write to a NAND partition, just do the following
@@ Line 87: / Line 87: @@
 === Root File System ===
-The root file system is present in squashfs 3.0 format. In order to build new root images you will have to get an old version of squashfs-tools from http://sourceforge.net/projects/squashfs/files/squashfs/squashfs3.0/
+The root file system is present in squashfs 3.0 format. In order to build new root images you will have to use an old version of squashfs-tools from http://sourceforge.net/projects/squashfs/files/squashfs/squashfs3.0/
 To unpack a dumped root file system called rootfs.0 into the directory rootfs-dump just enter

@@ Line 97: / Line 97: @@
 This new file system can be written to /dev/mtd12. You then just have to boot from root=/dev/romblock12
 === Binary Format ===
@@ Line 106: / Line 105: @@
 Copyright 1991-1994, 1997, 1998, 2000 Free Software Foundation, Inc.
 This is free software with ABSOLUTELY NO WARRANTY.
-For details type `warranty'. </pre>
+For details type `warranty'.
 <pre>
 $ file bc                                                                            [01-15 15:40]

← Older revision		Revision as of 14:40, 15 January 2012
Line 97:		Line 97:

	This new file system can be written to /dev/mtd12. You then just have to boot from root=/dev/romblock12		This new file system can be written to /dev/mtd12. You then just have to boot from root=/dev/romblock12
		+
		+
		+	=== Binary Format ===
		+	The architecture of the device is mipsel, eg MIPS little endian. It is confirmed that openwrt mipsel binaries do run on it
		+	<pre>
		+	# ./bc
		+	bc 1.06
		+	Copyright 1991-1994, 1997, 1998, 2000 Free Software Foundation, Inc.
		+	This is free software with ABSOLUTELY NO WARRANTY.
		+	For details type `warranty'. </pre>
		+	<pre>
		+	$ file bc [01-15 15:40]
		+	bc: ELF 32-bit LSB executable, MIPS, MIPS32 version 1 (SYSV), dynamically linked (uses shared libs), corrupted section header size
		+	</pre>
		+	One might be able to utilize the openwrt build chain to create a new root file system

	== Linux Support ==		== Linux Support ==

@@ Line 85: / Line 85: @@
 To write to a NAND partition, just do the following
 <pre>nandwrite /dev/mtd12 shinynewsquashfsrootimage</pre>
 == Linux Support ==

@@ Line 62: / Line 62: @@
 </pre>
-* To get a root prompt, you have to press Control-C and login with "root" and now password. The downside to this method is that the device reboots 30 seconds after you killed the foreground process (which you did by pressing Control-C). A work around that is
+=== Root shell ===
-** After connecting power quickly press Control-C, this should drop you to a "CFE>" prompt
+To get a root prompt, you have to press Control-C and login with "root" and now password. The downside to this method is that the device reboots 30 seconds after you killed the foreground process (which you did by pressing Control-C). A work around that is
-** Now enter the following:
+* After connecting power quickly press Control-C, this should drop you to a "CFE>" prompt
-** boot -elf -z flash0.vmlinux.0: 'root=/dev/romblock10 rootfstype=squashfs console=0,115200n8 BDVD_BOOT_AUTOSTART=n BAPP_OUT=/dev/null BNET=y ro'
+* Now enter the following:
-** This will not start the media software and will directly give you a "(none) login:" prompt
+<pre>boot -elf -z flash0.vmlinux.0: 'root=/dev/romblock10 rootfstype=squashfs console=0,115200n8 BDVD_BOOT_AUTOSTART=n BAPP_OUT=/dev/null BNET=y ro'</pre>
-** log in with user root and no password and the device will not reboot after 30 seconds
+* This will not start the media software and will directly give you a "(none) login:" prompt
-* The original firmware automatically mounts attached USB thumb drives to /mnt/removable/usba
+=== USB storage ===
-** vfat,ext2,ext3 support is confirmed
+The original firmware automatically mounts attached USB thumb drives to /mnt/removable/usba
 == Linux Support ==

@@ Line 215: / Line 215: @@
 app 74016:00:06.726  -.--- main(): Application Started
 app 74016:00:06.726 +0.000 Time from Startup to Application Start: 12.333 seconds
 </pre>

@@ Line 61: / Line 61: @@
 update/product_software_update.dat
 </pre>
 == Linux Support ==