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Tiny25 Soft I2C
I am attempting to operate a shift register by writing a software serial routine but I am having repeatability issues with VERY simple routines. I have hooked up my shift reg to...
Friday, 30 July 2010 - 04:46
Custom Bitfield & Port Mask
I would like a more elegant way to address a 16bit peripheral when using two ports. I have no idea how I would go about it but is it possible to do this: MY_PORT = 0x99FF; that...
Thursday, 15 July 2010 - 07:16
Converting asm function to C - Problems
Ok so I have some example code of how to convert an long long int into a string of ascii characters. I have simulated it in studio and made a flow chart on how it works. I then...
Thursday, 1 July 2010 - 04:02
Input Capture Pin Difficulties
I have never used the input capture pin before so I decided to make something with it. The project is a simple RPM meter for my drill press. I have the routines to display my...
Friday, 25 June 2010 - 23:43
Choosing A Compiler
Plz don't hate me I'm not trying to start another compiler war! I am trying to figure out which direction is best for my goals as I program both AVR and ARM micros and currently...
Friday, 11 June 2010 - 04:56
Circular uart buffer freezes
Hello, I wrote a simple uart library not using any ISR's and got it working well with printf. I then started working on a a more optimized ISR version but it has some strange...
Saturday, 5 June 2010 - 07:36
AT90USB1287 Need IO Header File
I am trying to program my USB1287 in AVRStudio and none of the register defines work. I cannot set timers, ubrr, or anything. I looked at io.h and it pointed me to iousb1287.h...
Wednesday, 26 May 2010 - 20:08
External Data Bus on Mega64/128
I have been reading up on the external data bus on these chips and have figured out how to operate them in several different setups. One way that interested me was Design Note #...
Monday, 24 May 2010 - 17:46
Dragon Fails To Program. AGAIN
OK, this is a reoccurring problem now and its beginning to really get on my nerves. I will be working throughout the day writing code and programing my avr without any problems...
Friday, 9 April 2010 - 05:10
120V Zero-Crossing Triac IC
I have a moc3042 hooked up like figure 14 I realize its just an opto-isolator and in order to do phase control I need to know when the zero cross is so I trigger at the same time...
Thursday, 1 April 2010 - 04:04
LCD Menu State Machine
I have written a state machine for my motor controller but have run into writers block. How should I implement functions into the table? For example On some states I want to clear...
Saturday, 20 March 2010 - 07:23
Menus On GLCD's
I have never used a GLCD before and my projects are getting complex enough that a simple character LCD and my old method of programming will no longer work for my wants. I was...
Wednesday, 20 January 2010 - 04:23

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