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Forum Index : Microcontroller and PC projects : We now have Unix
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haiqu Senior Member  Joined: 30/07/2011 Location: AustraliaPosts: 152 |
Maximite + 2.11BSD now has: pForth compiler Xitami webserver And the fun just keeps on going! Rob unzip, strip, touch, finger, grep, mount, fsck, more, yes, fsck, fsck, fsck, umount, sleep |
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Bob Regular Member  Joined: 11/08/2011 Location: United KingdomPosts: 41 |
Rob, Beware the limited write-cycle life of flash memory. Any use as swap or even having atime updating enabled would reduce the life of the SD card. This might be a 'feature' that you don't mind, but most flash-based systems disable both the above. Read operations are OK, it's writing that gradually knackers it. Regards, Bob Bob Dalley http://www.m0rjd.co.uk |
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vasi Guru  Joined: 23/03/2007 Location: RomaniaPosts: 1697 |
If he can implement mass storage then can have HDD on USB as @ksdesigns did (but he needs a Max32 board). But SD card should be enough for a while. Anyway, something is wrong here. Unix, pForth, pic32lua, TRS-80, z80-emulator, two or three variants of MMBasic and just until yesterday was only Picaxe on this forum. Someone can stop these guys please? Nope, don't stop guys, keep going! 
Vasi Hobbit name: Togo Toadfoot of Frogmorton Elvish name: Mablung Miriel Beyound Arduino Lang |
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donmck Guru Joined: 09/06/2011 Location: AustraliaPosts: 1313 |
Al Jolson, 1927 movie, the Jazz singer. First talkie. http://en.wikipedia.org/wiki/The_Jazz_Singer_%281927_film%29 "You ain't heard nothing yet!" Cheers Don... https://www.dontronics.com |
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| pito Newbie  Joined: 09/06/2011 Location: Posts: 25 |
"Now this is not the end. It is not even the beginning of the end. But it is, perhaps, the end of the beginning"..  |
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| haiqu Senior Member Joined: 30/07/2011 Location: AustraliaPosts: 152 |
Well aware of this issue Bob. In fact there are now file systems especially designed to write to different locations on a flash card each time to extend their life. I think the write cycles on these things is about 10,000 times anyhow which ain't bad for $10.00 Rob unzip, strip, touch, finger, grep, mount, fsck, more, yes, fsck, fsck, fsck, umount, sleep |
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| haiqu Senior Member Joined: 30/07/2011 Location: AustraliaPosts: 152 |
Minor progress tonight. Fixed the bootloader so that holding the button at power-up throws the board into firmware load mode and flashes the LEDs to tell you it's ready. Note: Yes, I know this already works in the original firmware supplied by Geoff but 2.11BSD loads at a different location so I had to write another bootloader. Nice side effect is that the sign-on message is only being displayed once now instead of repeating. I must have fixed some small bug inadvertently. Rob 
unzip, strip, touch, finger, grep, mount, fsck, more, yes, fsck, fsck, fsck, umount, sleep |
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| donmck Guru Joined: 09/06/2011 Location: AustraliaPosts: 1313 |
Is that you Winston? I have been looking for you. 
Cheers Don... https://www.dontronics.com |
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| pito Newbie Joined: 09/06/2011 Location: Posts: 25 |
Yea, your schoolmate Winston..  |
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| haiqu Senior Member Joined: 30/07/2011 Location: AustraliaPosts: 152 |
"This is something up with which we should not put." - Winston unzip, strip, touch, finger, grep, mount, fsck, more, yes, fsck, fsck, fsck, umount, sleep |
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| haiqu Senior Member Joined: 30/07/2011 Location: AustraliaPosts: 152 |
The VirtualMips simulator now has complete support for running the same hardware available on the Maximite as runs on the real hardware. In other words, if you build it and run the simulator instead of the board, I/O works on UART4 and sdcard works on SPI4. This should be useful for anyone wanting to develop the system further. Downloads of RetroBSD are available via the Subversion repository on GoogleCode. unzip, strip, touch, finger, grep, mount, fsck, more, yes, fsck, fsck, fsck, umount, sleep |
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| vasi Guru Joined: 23/03/2007 Location: RomaniaPosts: 1697 |
Hi Rob, You compile RetroBSD under Linux? Hobbit name: Togo Toadfoot of Frogmorton Elvish name: Mablung Miriel Beyound Arduino Lang |
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| mookster1 Regular Member Joined: 10/06/2011 Location: New ZealandPosts: 81 |
Would a commandline version of Linux work? Sorry, I'm a bit of a n00b when it comes to embedded stuff like the Maximite running Linux... Capacitance is futile - roll on 2012! |
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| vasi Guru Joined: 23/03/2007 Location: RomaniaPosts: 1697 |
Linux resemble Unix and you can consider that you have a command-line Linux version. If you look at the last screenshot of the HyperTerminal, you can see the "ls" command issued two times for different paths... Is not Linux binary compatible and you need to recompile your applications (small applications). Vasi Hobbit name: Togo Toadfoot of Frogmorton Elvish name: Mablung Miriel Beyound Arduino Lang |
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| haiqu Senior Member Joined: 30/07/2011 Location: AustraliaPosts: 152 |
Yup. I'm now running a separate partition with Ubuntu, but it builds fine using VirtualBox under Windows too. Rob unzip, strip, touch, finger, grep, mount, fsck, more, yes, fsck, fsck, fsck, umount, sleep |
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