Hi-Tech PICC - problem understanding purpose of printf

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the_merovingian

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I've always programmed my PICs using assembler in the past but have decided to take a look into Hi-Tech's PICC Lite compiler.

I'm confident and competent in using C on a PC (for Linux) but I'm struggling to understand the purpose of printf on a PIC.

What would it do on a PIC16F627A - there is no STDOUT?!

Any help (or decent tutorials) appreciated.

Thanks in advance.
 

You supply a function that printf calls to output each character. You can use this fucntion to send data to a serial port, an LCD, printer....whatever output you want.
 
Ah ha! That makes sense! Many thanks. That would be useful for projects with an LCD.

I see the magical template file is found in the lib directory of the compiler distribution and is called 'doprnt.c'.

Any examples available online?
 

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