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mega32 OC1A ISR
Hey people !! 1) I'm using a mega32 and am trying for an OC1A ISR. The uC doesn't have any external cktry and I use a dragon to program ( long enough story about why i can't use...
Sat. Dec 8, 2007 - 11:13 AM
MO (SI) is me
I can't get master spi to work on my mega32. I'm just trying to see SCK on my 'scope ( nothing else connected to the '32). The code just loads spdr, (Should) send it and loop . No...
Mon. Sep 10, 2007 - 06:56 AM
LCD initialization code
I can't get my LCD to work. The code should initialize,display and cursor on ( no sense trying to do more at this point ). The LCD controller chip is a splc780c ( HD44780...
Tue. Jul 31, 2007 - 10:17 AM
AVR STudio
I'm trying to simulate the included code. It cycles correctly until "mult" is called the 1st time, mc16uL = 0 so it should branch to ret instruction, and execute the next...
Wed. Apr 18, 2007 - 05:28 AM
mega8535 adc blues
Here we go again: I MHz default clk, cap btwn Aref and gnd, 5V p.s. ( connects to adc0 through a 10k -- voltage on chan0 = 4.79V ( current limiting resistor )). Nothing else...
Wed. Apr 11, 2007 - 07:49 AM
AVR math insructions behavin' badly
I'd appreciate someone clearig up the mystery of why my mega8 can't do simple math. I use Bray's terminal ( bits, 1 stop, no parity. 9600 baud ) Thanks in advance jerome .include...
Mon. Mar 19, 2007 - 06:23 AM
delay function( Ttl. time wrong )
This code does a delay function: if cmp ==7A ttl delay ~= 4s, but it doesn't work right ( see comments below in the cmp != while loop ). ( I know about the builtin delay functions...
Sun. Sep 24, 2006 - 08:54 PM
delay function
The code below is a delay function that doesn't work( yeah I know about builtin delay functions ). PD5 goes high immediately instead of waiting ~ 4s I don't have to use volatile...
Wed. Sep 20, 2006 - 05:18 AM
General Winavr questions
For the code below : 1) Why does jerk evaluate to 0xFFFFFF88 instead of 5 ? 2) Why do I get an int overflow warning, when the jerk numerator will fit in a long ? 3) How come the...
Sun. Sep 17, 2006 - 11:56 PM