I was just looking into that, I thought it would be useful for the prop to emulate a Boot EEprom for another Prop. I'll let you know if I come up with anything.
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I was exploring a slave I2C option just before Phillips released their I2C license (<-- around October 2006)... but it was never completed.
One thought I had, ... why not implement multiple I2C slave address ability in one I2C Propeller object? You would certainly have the processing power...
A 'smart' I2C slave device where you could assign your own addresses. There are 'standardized' I2C address ranges that should be observed depending on the I2C function/category if nothing else for good programming practice that should be implemented.
▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔ Beau Schwabe
IC Layout Engineer
Parallax, Inc.
I just wanted to see if anybody has done anything with this. I checked the object exchange, but did not see anything there. Must be more people than just me that would have an interest in something like this? Maybe a slave SPI also.
I never published it on OBEX because I haven't done enough testing to check it is robust enough in terms of connectivity ( its opertion I'm happy with ).
I've tested using the standard Boot Eeprom lines ( internally linked via INA/OUTA ) and to different lines on the same chip, but never tested between two separate Propellers nor anything which is non-Propeller.
It's been a while since I've worked on that project but I'll be pleased to answer any questions if I can.
Added : It seems I have a later version of the code with some enhancements I never released. I'll update the original thread with a latest release ( will be a short while Done ).
Squig
Posts: 13
Comments
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My system: 1.6 GHz AMD Turion64 X2, 4GB DDR2, 256MB ATI Radeon Graphics card, 15.4" Widescreen HD Screen
I have a duel boot of Ubuntu Linux and Windows Vista. Vista, because it came with the PC, Ubuntu because I like software that works.
"Failure is not an option -- it comes bundled with Windows."
Use The Best...
Linux for Servers
Mac for Graphics
Palm for Mobility
Windows for Solitaire
One thought I had, ... why not implement multiple I2C slave address ability in one I2C Propeller object? You would certainly have the processing power...
A 'smart' I2C slave device where you could assign your own addresses. There are 'standardized' I2C address ranges that should be observed depending on the I2C function/category if nothing else for good programming practice that should be implemented.
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Beau Schwabe
IC Layout Engineer
Parallax, Inc.
Ray
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http://forums.parallax.com/showthread.php?p=617209
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Mike
propeller.wikispaces.com/I2C+Slave
I never published it on OBEX because I haven't done enough testing to check it is robust enough in terms of connectivity ( its opertion I'm happy with ).
I've tested using the standard Boot Eeprom lines ( internally linked via INA/OUTA ) and to different lines on the same chip, but never tested between two separate Propellers nor anything which is non-Propeller.
It's been a while since I've worked on that project but I'll be pleased to answer any questions if I can.
Added : It seems I have a later version of the code with some enhancements I never released. I'll update the original thread with a latest release ( will be a short while Done ).
http://forums.parallax.com/showthread.php?p=721563
Post Edited (hippy) : 9/26/2008 7:31:57 PM GMT