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Discussion Title Created date
reduce amount of code space
I am looking to reduce the amount of repetitive typing. My application displays a lot of messages on a 16x2 lcd. I use the following to load the z register and output the data...
Sunday, 5 August 2007 - 15:45
16bit registers will not cooperate
I have tried to load the 16bit OCR registers in the timer 1, 2, of the mega162. they refuse to load, or erase the high byte. This phenomenon only happens when you set the WGMn2...
Saturday, 28 July 2007 - 18:03
More PWM stuff
I am lost here I am trying to use the mega 8515's timer0 for PWM. it must operate all by itself and output a pulse of 1/8 of a second and be still for 1 second Once again, my...
Friday, 27 July 2007 - 00:00
Mega 162 fuse bits and THE DRAGON!!
This one is strange. I connected my dragon to my m162 'development' board like I always do. The source code is rahter simple. Setup the micro, porta outputs, port e outputs,...
Tuesday, 24 July 2007 - 12:01
Interrupt on change
When I was suffering with PIC's, they had a cool feature that I miss on AVR's. That is interrupt on change for the I/O. Meaning that I can setup a mask for the pins I do not...
Saturday, 21 July 2007 - 14:34
Multiple source files
Greetings all!! I am working on several big projects. Both profesionally and personally. I have several routines that I usually cut and paste out of working code into what I am...
Thursday, 19 July 2007 - 03:20
Mega 8515 pwm
I am working on a custtom multi-meter and the a/d chip needs 32khz as a clock. I have 8mhz on the 8515 and figured the pwm could easily give me the 32khz. Does anyone have...
Monday, 16 July 2007 - 23:01
bit bang spi
Can anyone point me towards a down and dirty bit banged SPI? i need it for a 90s2313-to-d/a converter the code i am doing is ugly and is way inefficient any help would be great...
Monday, 9 July 2007 - 20:11
Ethernet to rs-232
I am looking for a converter that can take ethernet and convert it to rs-232 or ttl. Lantronix has one that does fit the bill, but is a tad costly with all the extra features Any...
Monday, 9 July 2007 - 19:27
Got Memory?
I am doing a home automation project that is really taking off. I am using a mega162 as my core cpu with at90s2313's at children throughout the house. I also have a wireless...
Monday, 9 July 2007 - 03:47
Alternate D/A converter
Greetings!! Somebody out there spare me some research! I am using a MAX522 8pin SPI D/A converter. It is a dual unit, and it works great. Trouble is, that it is damn expensive...
Tuesday, 3 July 2007 - 12:32
AT90s2313 SPI interface
Not sure if I am in the correcct forum for this but here it goes... I have quite the stock of the older 2313's that I would like to use in my home automation system. The question...
Tuesday, 3 July 2007 - 12:26

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