Yifan Wang
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Latest Activity

Yifan Wang replied to Nayab Saeed's discussion LCD Black Blocks
"Try making your lcd delay longer"
Feb 16, 2013
Yifan Wang commented on Mohammed Patel's blog post Keypad Question
"could you bring the board to the lab session on Wed so i can take a look to see if it is a problem with the board itself? although i don't suspect that since the board does program correctly and the busy light turns off. Look for me at the…"
Jan 31, 2011
Yifan Wang replied to Matt Nejati's discussion Problems with length of code?
"check the blog "Code too long?"http://www.pml4all.org/profiles/blogs/code-too-long   It explains everything, basically you need to put the tabling at the top of your code, so that when your PC increments, it won't over flow the…"
Jan 28, 2011
Yifan Wang commented on Ritchie Thai's blog post Rant: I know where the bug is, how to fix it, but why?
"QUOTE FROM THE OTHER BLOG If there is a certain length of code coming before the DT (define table) directive, then characters/entries in the DT past a certain point will fail to return a value. Instead, upon reaching that character, the program will…"
Jan 27, 2011
Yifan Wang commented on Ritchie Thai's blog post Tip: DT location in code matters.
"This is very helpful"
Jan 27, 2011
Yifan Wang commented on Matt Nejati's blog post Code too long?
""QUOTING THE OTHER BLOG" If there is a certain length of code coming before the DT (define table) directive, then characters/entries in the DT past a certain point will fail to return a value. Instead, upon reaching that character, the…"
Jan 27, 2011
Yifan Wang commented on Matt Nejati's blog post Code too long?
"also, you should keep the LCD.asm at the beginning of your program mem, say 0x0100, and your code can begin in some later time say 0x0150, so you have the rest of the program mem for your main code if you wish to separate your .asm files"
Jan 27, 2011
Yifan Wang commented on Matt Nejati's blog post Code too long?
"I've seen one of my student in my lab session came across the very same problem. The quickest way to fix this is just to have everything in the same .ASM file.   I haven't figured out exactly why the code is behaving this…"
Jan 27, 2011
Yifan Wang commented on Sebastian Kosch's blog post PIC Assembly Macros
"you can also put this link up at the Idea storm section"
Jan 13, 2011
Yifan Wang commented on Sebastian Kosch's blog post PIC Assembly Macros
"very nice, makes the coding a lot easier by using these macros"
Jan 13, 2011
Yifan Wang asks: what is the difference between continuous conduction mode (CCM) and discontinuous conduction mode (DCM)?

(via Answers)

Aug 17, 2010
Yifan Wang posted a blog post

PIC delay code generator

Often times in project coding development, the programmer need to generate some sort of delay. It is hard and tedious to calculate by hand, an alternative way is to use the Pic Delay Code Generator for ASM Programmers made by N Golovchenko.This is a very useful software for Pic Programming in Assembly Language in ways that it saves both time and energy for delay calculation.For long delays (> 10 cycles) the code is based on nested loops…See More
Aug 17, 2010
Yifan Wang asks: What's the difference between the * and *A (for *=16F84, 16F628, 16F877 etc)?

(via Answers)

Aug 17, 2010
Yifan Wang is now a member of Personal Mechatronics Lab
Aug 17, 2010

Yifan Wang's Blog

PIC delay code generator

Often times in project coding development, the programmer need to generate some sort of delay. It is hard and tedious to calculate by hand, an alternative way is to use the Pic Delay Code Generator for ASM Programmers made by N Golovchenko.…

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Posted on August 17, 2010 at 5:30pm

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