[sdiy] how to learn C?

[Scott Gravenhorst]

Looking at Dan's question - I didn't answer very well.

I can best answer by describing how I learned C.

First - Ya gotta wanna.  Seems to me Dan has that.

I used a book called _Learn_C_Now_.  I read the book while sitting at my
computer.  As I read the book, I typed in and compiled a lot of the book's
complete code, especially the little ones.  Then I messed with the code,
compiled and tested it.  Did this many times until I could say to myself,
"I understand this bit".  Then I wrote, from scratch and debugged little
test programs, "Hello World" stuff of my own design.  Eventually, I was
writing everything in C.  However - I did this on a PC for a PC processor.  

Embedded work is a little different because you're dealing with hardware
like DAC, ADC, serial device, LEDs, LCD, etc.  For this, you use libraries
and it becomes a matter of function calls.  Here I would also start with
"hello world" stuff first.  See if you can blink an LED at exactly 1 second
intervals forever.  Stuff like that.  Write simple code to test different
I/O devices you have.  Never give up.

-- ScottG
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-- Scott Gravenhorst
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