2005-04-17 06:20:36 +08:00
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Copyright (C) 1999, 2000 Bruce Tenison
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Portions Copyright (C) 1999, 2000 David Nelson
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Thanks to David Nelson for guidance and the usage of the scanner.txt
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and scanner.c files to model our driver and this informative file.
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Mar. 2, 2000
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CHANGES
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- Initial Revision
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OVERVIEW
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This README will address issues regarding how to configure the kernel
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to access a RIO 500 mp3 player.
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Before I explain how to use this to access the Rio500 please be warned:
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W A R N I N G:
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--------------
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Please note that this software is still under development. The authors
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are in no way responsible for any damage that may occur, no matter how
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inconsequential.
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It seems that the Rio has a problem when sending .mp3 with low batteries.
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I suggest when the batteries are low and want to transfer stuff that you
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replace it with a fresh one. In my case, what happened is I lost two 16kb
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blocks (they are no longer usable to store information to it). But I don't
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know if thats normal or not. It could simply be a problem with the flash
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memory.
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In an extreme case, I left my Rio playing overnight and the batteries wore
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down to nothing and appear to have corrupted the flash memory. My RIO
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needed to be replaced as a result. Diamond tech support is aware of the
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problem. Do NOT allow your batteries to wear down to nothing before
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changing them. It appears RIO 500 firmware does not handle low battery
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power well at all.
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On systems with OHCI controllers, the kernel OHCI code appears to have
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power on problems with some chipsets. If you are having problems
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connecting to your RIO 500, try turning it on first and then plugging it
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into the USB cable.
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Contact information:
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--------------------
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The main page for the project is hosted at sourceforge.net in the following
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2005-11-22 13:32:31 +08:00
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URL: <http://rio500.sourceforge.net>. You can also go to the project's
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sourceforge home page at: <http://sourceforge.net/projects/rio500/>.
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There is also a mailing list: rio500-users@lists.sourceforge.net
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2005-04-17 06:20:36 +08:00
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Authors:
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-------
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Most of the code was written by Cesar Miquel <miquel@df.uba.ar>. Keith
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Clayton <kclayton@jps.net> is incharge of the PPC port and making sure
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things work there. Bruce Tenison <btenison@dibbs.net> is adding support
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for .fon files and also does testing. The program will mostly sure be
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re-written and Pete Ikusz along with the rest will re-design it. I would
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also like to thank Tri Nguyen <tmn_3022000@hotmail.com> who provided use
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with some important information regarding the communication with the Rio.
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ADDITIONAL INFORMATION and Userspace tools
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http://rio500.sourceforge.net/
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REQUIREMENTS
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A host with a USB port. Ideally, either a UHCI (Intel) or OHCI
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(Compaq and others) hardware port should work.
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A Linux development kernel (2.3.x) with USB support enabled or a
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backported version to linux-2.2.x. See http://www.linux-usb.org for
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more information on accomplishing this.
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A Linux kernel with RIO 500 support enabled.
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'lspci' which is only needed to determine the type of USB hardware
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available in your machine.
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CONFIGURATION
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Using `lspci -v`, determine the type of USB hardware available.
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If you see something like:
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USB Controller: ......
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Flags: .....
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I/O ports at ....
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Then you have a UHCI based controller.
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If you see something like:
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USB Controller: .....
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Flags: ....
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Memory at .....
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Then you have a OHCI based controller.
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Using `make menuconfig` or your preferred method for configuring the
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kernel, select 'Support for USB', 'OHCI/UHCI' depending on your
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hardware (determined from the steps above), 'USB Diamond Rio500 support', and
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'Preliminary USB device filesystem'. Compile and install the modules
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(you may need to execute `depmod -a` to update the module
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dependencies).
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Add a device for the USB rio500:
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`mknod /dev/usb/rio500 c 180 64`
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Set appropriate permissions for /dev/usb/rio500 (don't forget about
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group and world permissions). Both read and write permissions are
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required for proper operation.
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Load the appropriate modules (if compiled as modules):
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OHCI:
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modprobe usbcore
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modprobe usb-ohci
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modprobe rio500
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UHCI:
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modprobe usbcore
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modprobe usb-uhci (or uhci)
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modprobe rio500
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That's it. The Rio500 Utils at: http://rio500.sourceforge.net should
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be able to access the rio500.
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BUGS
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If you encounter any problems feel free to drop me an email.
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Bruce Tenison
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btenison@dibbs.net
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