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Discussion Title Created date
different behavior in "if" using long integers
Dear "freaks" - friends, I am experiencing a weird problem with code inside an if block. Here is the code that works unsigned char autogain = FALSE; signed int uplimit = 15750...
Thu. Apr 3, 2014 - 06:57 AM
ADC autorange
Dear friends, I am on a project, that uses an atmega16 @ 16MHz and a 16-bit bipolar ADC. Communication is made with SPI @ 4 MHz. The ADC is sampling a signal from an amplifier and...
Wed. Feb 20, 2013 - 02:25 PM
external interrupt code
Dear community, I am having a small project, where the external interrupt is triggered and the code inside the interrupt polls for the commands I give through a joystick. ISR(...
Tue. Jun 19, 2012 - 09:58 AM
FT232RL D2XXX drivers & atmega16
Dear freaks, I am freaking :lol: ! Although I searched a lot in the forum and I Googled I cannot find an appropriate answer for my case. I will explain you my application and I...
Mon. Jan 9, 2012 - 12:11 PM
XTAL2 voltage range
Dear friends, I am working on a project and I found out after some debugging that XTAL2 pin of atmega32 is oscillating @ 16 MHz (like the ext. crystal I use) BUT Vp-p is only 500...
Sun. May 1, 2011 - 07:23 PM
using two timers for time control
Hello. I use an atmega16 at 16 MHz. The microcontroller "talks" with spi to a DAC in order to produce a specific waveform of potentials. For the timing I use timer2 in CTC mode...
Fri. Sep 11, 2009 - 09:14 AM
Libraries
Dear freaks, I am working on a project the last month and I have finally completed it. The resulting code was about 10K and the ram used was almost 33% of the atmega16 which I...
Sun. Sep 6, 2009 - 11:44 AM
structure pointers in pgmspace
I would appreciate if anyone could help me with this kind of problem. I am using the butterfly gcc code modified for my own menu (details here:) https://www.avrfreaks.net/index.p...
Thu. Jul 30, 2009 - 03:49 PM
Structrures are pain in the ass
Dear freaks, no matter how I try I cannot get the touch of it. Structures are quite a burden for me. Please, someone, a good tutorial!!! Let me explain you my problem. I am trying...
Thu. Jul 16, 2009 - 04:29 PM
Timer interrupts during SPI transfer
Hello, I am building a system with an ATMEGA16, as SPI master and two peripheral devices. I need precise timing so I am thinking about using a CTC timer interrupt. I am wondering...
Sun. Jun 21, 2009 - 03:22 PM
DAC LTC1257 and spi
Dear friends, I need to interface a LTC1257 which is a 12-bit DAC with a mega16. The linear technologies says that this DAC has a serial SPI interface. I have found assembly code...
Mon. Jun 15, 2009 - 09:52 AM
high speed ADC
Hi guys. I am working on a project, and I have the need to use an AT90USBxxxx @ 16 MHz, and an ADC to record a very fast analog signal. I was wondering if i can use an ADC as fast...
Wed. Jul 16, 2008 - 07:08 PM

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