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Discussion Title Created date
ranch op code?
Is there an o-code to branch (br) that will work like an BRNE with out the test? I need this in one clock, not RJMP that takes two.
Thursday, 3 September 2009 - 18:54
help with pin-change int
I'm setting my pin-change int like so, then I wait. PCICR = (1<<PCIE1);// watch PORTC.5 PCMSK1 = (1<<PCINT12); _delay_us(60); The trouble I'm having is that it...
Tuesday, 1 September 2009 - 18:35
troubles with load from avr, need advice.
Hi, I have an atmega 168 that supplies a device that should not pull much more then 100 Milli amps(should be able to measure this load soon). Normal I supply this device with USB...
Monday, 24 August 2009 - 21:41
One data type of the same size as another, savs flash size
I have read some great info about proper data types, when to use and what to use. More specifically how to keep the over all flash size down. But there is one thing that remains,...
Wednesday, 5 August 2009 - 00:32
line-break ( asm file )
is there a way to add a line-break in an .s ( asm ) file? nop \n nop vs nop nop ?
Monday, 3 August 2009 - 17:14
how to count a cycle of code [ and Dream cast coding ]resvd
I have a project that is very time sensitive. Each cycle must be monitored as I have to do things with in a nop. I need some help understanding what each lines costs me. Can...
Saturday, 18 July 2009 - 23:55
use asm with registers killing chips, what dont I understand
I'm working with asm for the first time and need about 16 registers to hold data. Seem after a few minutes my chip wont burn, I get mismatching data. WARNING: FLASH byte address...
Saturday, 18 July 2009 - 16:59
need help reading data in nanosecond timing.
For reference here is my timing chart. http://img31.picoodle.com/img/im... I can set up my pins and get ready for the first falling edge but I need to read the first data (d7)...
Tuesday, 14 July 2009 - 20:52
reading a potentiometer ?
I have paddle device coupled to a potentiometer, so as to generate an output voltage level varying with the wheel's angle relative to a fixed reference position. I should be able...
Sunday, 5 July 2009 - 19:37
Need help understanding SPCR on mega 168
I'm creating a project and need to adapt another project in to mine. There is this section of code I dont fully understand. void spi_mInit() { // SPI, master, clock/128 = 93...
Sunday, 5 July 2009 - 00:55
code issue with defines?
I need to find a way to get my defines to run time data. Or at least to satisfy the function that needs it. For example, and I know this wont work, but like this if(1) { #...
Thursday, 2 July 2009 - 22:49
Program / data bytes?
Had a question, what constitutes one over the other? Is Program the "code" for the most part and data the stored data types like int's ? Program: 16290 bytes (99.4% Full) (.text...
Tuesday, 30 June 2009 - 00:56