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Author Topic: Keyboard for PSP?  (Read 5244 times)

Offline EliteGamer83

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Keyboard for PSP?
« on: March 10, 2009, 06:01:48 PM »
I've seen it done, long before I knew about here I was on youtube and saw a AcidMods video with a Xbox keypad hooked up to a PSP. How is it possible?
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Offline bucadepepo

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Re: Keyboard for PSP?
« Reply #1 on: March 10, 2009, 06:11:58 PM »
hmm, would like to know myself. ALOT of work would need to be done i assume.
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Offline Blizzrad

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Re: Keyboard for PSP?
« Reply #2 on: March 10, 2009, 07:32:56 PM »
As I mentioned in the other thread, the PSP has a serial I/O port which can communicate with external hardware. It is used for official peripherals like the headphone remote, but you can also hook up just about anything you want to it (touchscreen, keyboard, Ps2 controller) providing you can get enough current from the port to power your device (or use external power), and write the software to make it work with the PSP.

For the xbox chatpad, the onboard PIC microcontroller inside the chatpad was reprogrammed to communicate with the PSP over a simple serial protocol that sends bytes containing the ASCII characters typed on the chatpad to the PSP. Software running on the PSP then allows these bytes to be read and used by applications. You can read through the whole development process and download the source code from this thread at the ps2dev forums.
« Last Edit: March 10, 2009, 07:56:58 PM by Blizzrad »
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Offline EliteGamer83

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Re: Keyboard for PSP?
« Reply #3 on: March 10, 2009, 07:37:49 PM »
Quote from: Blizzrad on March 10, 2009, 07:32:56 PM
As I mentioned in the other thread, the PSP has a serial I/O port which can communicate with external hardware. It is used for official peripherals like the headphone remote, but you can also hook up just about anything you want to it (touchscreen, keyboard, Ps2 controller) providing you can source enough current from the port to power your device (or use external power), and write the software to make it work with the PSP.

For the xbox chatpad, the onboard PIC microcontroller inside the chatpad was reprogrammed to communicate with the PSP over a simple serial protocol that sends bytes containing the ASCII characters typed on the chatpad to the PSP. Software running on the PSP then allows these bytes to be read and used by applications. You can read through the whole development process and download the source code from this thread at the ps2dev forums.

Uuuhhh.... Wut?
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Offline Blizzrad

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Re: Keyboard for PSP?
« Reply #4 on: March 10, 2009, 08:07:48 PM »
You asked how it is possible, I can't really explain it much more simply than that, but I will give it a try. Basically, just think of it like the keyboard on your computer. Computers have I/O (input/output) ports which are used to communicate with peripherals or other computers. The keyboard has it's own firmware that takes care of scanning the keypad and figuring out which buttons are pressed. The keyboard then "talks" to the computer through some type of serial protocol and tells it which buttons are pressed. The computer then takes this information and uses it in programs to allow the user to interact with the application through the keyboard.
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Offline EliteGamer83

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Re: Keyboard for PSP?
« Reply #5 on: March 10, 2009, 08:15:38 PM »
Quote from: Blizzrad on March 10, 2009, 08:07:48 PM
You asked how it is possible, I can't really explain it much more simply than that, but I will give it a try. Basically, just think of it like the keyboard on your computer. Computers have I/O (input/output) ports which are used to communicate with peripherals or other computers. The keyboard has it's own firmware that takes care of scanning the keypad and figuring out which buttons are pressed. The keyboard then "talks" to the computer through some type of serial protocol and tells it which buttons are pressed. The computer then takes this information and uses it in programs to allow the user to interact with the application through the keyboard.

Well when you figure it out be sure to PM me!
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Offline Blizzrad

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Re: Keyboard for PSP?
« Reply #6 on: March 10, 2009, 08:20:04 PM »
Quote from: EliteGamer83 on March 10, 2009, 08:15:38 PM
Well when you figure it out be sure to PM me!

When I figure what out? Are you even reading these replies?
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Offline HellReborn

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Re: Keyboard for PSP?
« Reply #7 on: March 10, 2009, 08:35:14 PM »
it has already been figured out and you just need to download the right stuff and do the right hardware modifications
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Offline j.s2ghetto

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Re: Keyboard for PSP?
« Reply #8 on: March 10, 2009, 08:43:13 PM »
Quote from: Blizzrad on March 10, 2009, 08:20:04 PM
When I figure what out? Are you even reading these replies?

blizzard this guy is funny sometimes

hey elitegamer read what blizzard said agian and follow the links he gave you so you can better understand the concept of connecting your psp to this keyboard
when you think you know what the threads are talking bout try it for yourself
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Offline EliteGamer83

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Re: Keyboard for PSP?
« Reply #9 on: March 11, 2009, 06:17:19 AM »
Cause I'm not that smart  :sadno:

Ok so I get a Xbox chatpad, a PSP remote, then I somehow connect the remote wire to the chatpad? then how do I actually get the FW on the chatpad without and xbox? wait wait wait.. none of this is going to work until I get a a pandora battery and MMs :( I was saving for a slim right now though... :(
« Last Edit: March 11, 2009, 06:36:21 AM by EliteGamer83 »
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Offline asif

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Re: Keyboard for PSP?
« Reply #10 on: March 11, 2009, 04:16:41 PM »
nooo...lol u dont need the psp remote

u need to download the source code and get a xbox keypad
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Offline Jumbo

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Re: Keyboard for PSP?
« Reply #11 on: March 11, 2009, 05:03:57 PM »
And a PSP remote to connect the keyboard to the PSP's port..

Its so simple if you READ what blizzrad says, you also need to program the chatpad so ya..
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Offline l0rdnic0

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Re: Keyboard for PSP?
« Reply #12 on: March 11, 2009, 05:42:44 PM »
you guys talking about this??? 

<a href="http://www.youtube.com/v/KjjVblKwly4&amp;hl=en&amp;fs=1" target="_blank" rel="noopener noreferrer" class="bbc_link bbc_flash_disabled new_win">http://www.youtube.com/v/KjjVblKwly4&amp;hl=en&amp;fs=1</a>

:D Nic0 learn to embed lol- Jumbo   <--bite me I was modifying the post myself
« Last Edit: March 11, 2009, 05:55:11 PM by l0rdnic0 »
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L0rdNiC0 Pioneering Mods on the PSP Slim :taunt:
Sound Mod, Button LED Mod, Security Mod, Dual NUB, Mode Select Switch + More

Offline EliteGamer83

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Re: Keyboard for PSP?
« Reply #13 on: March 11, 2009, 05:53:31 PM »
Quote from: l0rdnic0 on March 11, 2009, 05:42:44 PM
you guys talking about this??? 

<a href="http://www.youtube.com/v/KjjVblKwly4&amp;hl=en&amp;fs=1" target="_blank" rel="noopener noreferrer" class="bbc_link bbc_flash_disabled new_win">http://www.youtube.com/v/KjjVblKwly4&amp;hl=en&amp;fs=1</a>

:D Nic0 learn to embed lol- Jumbo   <--bit me I was modifying the post my self

Yes I was! :D

I found this this afternoon great job man! can you help me out?

And how do you embed?
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Offline l0rdnic0

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Re: Keyboard for PSP?
« Reply #14 on: March 11, 2009, 05:57:35 PM »
Watch the video and you should see the link to the ps2dev forums that has the software. If you can't get the software I can email you.. you will need a programmer to flash the keyboard though, do you have one?
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L0rdNiC0 Pioneering Mods on the PSP Slim :taunt:
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Offline EliteGamer83

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Re: Keyboard for PSP?
« Reply #15 on: March 11, 2009, 07:13:00 PM »
Quote from: l0rdnic0 on March 11, 2009, 05:57:35 PM
Watch the video and you should see the link to the ps2dev forums that has the software. If you can't get the software I can email you.. you will need a programmer to flash the keyboard though, do you have one?

LOL! I do my dad is one! :D

How would I "flash" it and hat hardware mods do I need to do?
I followed the link already to the PS2dev forums but it's almost like a biography of the PSP keyboard project there's not really any "instructions"

Also I assume I need CFW? cause I don't have it.
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Offline l0rdnic0

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Re: Keyboard for PSP?
« Reply #16 on: March 11, 2009, 07:30:30 PM »
yes you need CFW and no not a programmer like a software engineer...  :boxed:
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L0rdNiC0 Pioneering Mods on the PSP Slim :taunt:
Sound Mod, Button LED Mod, Security Mod, Dual NUB, Mode Select Switch + More

Offline EliteGamer83

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Re: Keyboard for PSP?
« Reply #17 on: March 11, 2009, 07:32:48 PM »
Just to make sure I do it right if I bought a pandora and magik memory stick could I get CFW on my slim?

Link: http://www.wholesale-elite.com/blue-led-complete-pandora-battery-amp--1gb-magic-memory-stick-kit-41401.html
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