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avr butterfly
To save you a major headache: When you are ready to program your butterfly remember that it does so through a bootloader. You have to get the bootloader "ready" in a certain way...
Thursday, 23 September 2010 - 07:22
ADC Resolution Problem & can't read ADCH
Koshchi wrote:Reading ADCL does nothing unless you also read ADCH. Once a conversion is complete and ADCL is read, the ADC registers are not updated until ADCH is read. Reading...
Thursday, 16 September 2010 - 07:02
ADC Resolution Problem & can't read ADCH
Are you saying AVCC must be powered regardless, even if my VREF is selected as AREF? Measured AVCC was 2.9V. ------ Koschi wrote: "But even if he was accumulating it, it would not...
Thursday, 16 September 2010 - 01:21
ADC Resolution Problem & can't read ADCH
Measuring across on C102 on ARef gives me 2.85V, after I switch on PF3(VCP). I'm going to take another look soon. Thanks to all you guys for the resposes!
Tuesday, 14 September 2010 - 23:24
ADC Resolution Problem & can't read ADCH
I tried #1 only to have my max value at 185 again. #2 gives me a max of 46, and #3 gives me a max of 185. I have no idea why it's not working. off to bed, i'll try again tomm.
Tuesday, 14 September 2010 - 11:54
ADC Resolution Problem & can't read ADCH
Clawson: Thank you very much for your post. I'm trying out your suggestions right now. cheers,
Tuesday, 14 September 2010 - 10:51
ADC Resolution Problem & can't read ADCH
I feel as though i'm being flamed for doing what you wrote. I started slowly, learning the language just by itself, and am currently working smileys tutorial. I've read most of...
Tuesday, 14 September 2010 - 09:32
ADC Resolution Problem & can't read ADCH
How will the compiler solve my problems if i don't know what i am working with. in the future how do i approach things relatively? from pieces and wraps of other peoples code? I...
Tuesday, 14 September 2010 - 08:49
ADC Resolution Problem & can't read ADCH
yea. hehe.. i got frustrated and took a random guess. i will go back to 8 and keep trying in the meantime. how does it overflow? it's a temp value that's rewritten each loop...
Tuesday, 14 September 2010 - 07:32
Butterfly A/D Code for Temp Sensor
Turns out i had a bad connection and didn't know how to wire a pot correctly.
Tuesday, 14 September 2010 - 06:30
Butterfly A/D Code for Temp Sensor
i'm doing some ADC debugging and i'm afraid i might have blown something up. Is it possible to trash the ADC circuity by wiring 3v with no resistor? :oops:
Monday, 13 September 2010 - 22:54
Butterfly A/D Code for Temp Sensor
Hey Kas, Thanks for your reply. Quote:it's three digit without leading zeroes and no decimal point neither fractions. This is what i am having a hard time with. I am going to...
Monday, 13 September 2010 - 05:22

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