Author Archives: Lucio Di Jasio

The Stack… so misunderstood

Posted on 28. February 2008 by Lucio Di Jasio

The stack is such a key element of every C program that too often we take it for granted and we don’t spend enough time to make sure we have it set properly. Most often we resolve to look into … Continue reading →

Posted in Tips and Tricks | Comments Off on The Stack… so misunderstood

Watching Expressions

Posted on 6. February 2008 by Lucio Di Jasio

MPLAB has become such a large application, or I should better say “group” of applications, and it keeps evolving so fast that one can hardly keep up with the pace of monthly (when it is not weekly) updates. Typically before … Continue reading →

Posted in Tips and Tricks | Comments Off on Watching Expressions

File I/O with Static Allocation

Posted on 5. February 2008 by Lucio Di Jasio

I am sure you won’t be surprised to learn that most (if not all) of the code presented in the book is derived from my past experimentations on the PIC18 and PIC16 over a few years… In particular the FileIO … Continue reading →

Posted in Tips and Tricks | Comments Off on File I/O with Static Allocation

The missing (pinout) table

Posted on 4. February 2008 by Lucio Di Jasio

There is one table I have been looking for many times among the PIC24 documentation and could never find… it’s a pin-out table, nothing fancy, but a complete one that would help me figure out quickly how to tell if … Continue reading →

Posted in Tips and Tricks | 1 Comment

Chapter 5 Excercises

Posted on 1. February 2008 by Lucio Di Jasio

The exercises assigned in Chapter 5 are actually quite advanced and are mostly meant to give you ideas of the kind of powerful things you can do in C using interrupts (and simple state machines). The following chapters, in particular … Continue reading →

Posted in PIC24, Tips and Tricks | Comments Off on Chapter 5 Excercises

More on Chapter 5 Tips and Tricks and builtin functions

Posted on 31. January 2008 by Lucio Di Jasio

If after yesterday’s posting you though things were getting ugly (I agree), you will be pleased to learn that since the introduction of MPLAB C30 v3.02 things have improved considerably. After all, performing the unlock sequences should not be an … Continue reading →

Posted in PIC24, Tips and Tricks | Comments Off on More on Chapter 5 Tips and Tricks and builtin functions

Chapter 5 Tips and Tricks

Posted on 30. January 2008 by Lucio Di Jasio

It is in Chapter 5 that we present for the first time the use of inline assembly. As a general rule in the book, this is a compromise accepted only in cases where we need to perform a task otherwise … Continue reading →

Posted in PIC24, Tips and Tricks | Comments Off on Chapter 5 Tips and Tricks

Updating Chapter 5

Posted on 22. January 2008 by Lucio Di Jasio

A lot of work has been done in MPLAB C30 rev 3.02 to perfect the management of interrupts and it affects the examples presented in the book in a number of ways. A) Let’s start with the simplest change, the … Continue reading →

Posted in PIC24, Tips and Tricks | Comments Off on Updating Chapter 5

Flying along the Salt River

Posted on 20. January 2008 by Lucio Di Jasio

Probably most of you will think of Arizona as one flat desert place, but that is quite a mistake. Actually 70% or Arizona surface is covered by mountainous terrain. It is true though that 90% of the population do live … Continue reading →

Posted in Flying | Tagged | 2 Comments

Updating Chapter 4

Posted on 19. January 2008 by Lucio Di Jasio

There are no changes required to the code in chapter 4 after the upgrade to MPLAB C30 v.3.02. But there are some changes in MPLAB 8.00 behavior that will have you puzzled when looking for the subroutines (library modules) used … Continue reading →

Posted in PIC24, Tips and Tricks | Comments Off on Updating Chapter 4