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117 lines
3.7 KiB
C
117 lines
3.7 KiB
C
/**
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* \defgroup coding-style Coding style
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*
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* This is how a Doxygen module is documented - start with a \defgroup
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* Doxygen keyword at the beginning of the file to define a module,
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* and use the \addtogroup Doxygen keyword in all other files that
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* belong to the same module. Typically, the \defgroup is placed in
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* the .h file and \addtogroup in the .c file.
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*
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* @{
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*/
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/**
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* \file
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* A brief description of what this file is.
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* \author
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* Adam Dunkels <adam@sics.se>
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*
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* Every file that is part of a documented module has to have
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* a \file block, else it will not show up in the Doxygen
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* "Modules" * section.
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*/
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/* Single line comments look like this. */
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/*
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* Multi-line comments look like this. Comments should prefferably be
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* full sentences, filled to look like real paragraphs.
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*/
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#include "contiki.h"
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/*
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* Make sure that non-global variables are all maked with the static
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* keyword. This keeps the size of the symbol table down.
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*/
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static int flag;
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/*
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* All variables and functions that are visible outside of the file
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* should have the module name prepended to them. This makes it easy
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* to know where to look for function and variable definitions.
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*
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* Put dividers (a single-line comment consisting only of dashes)
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* between functions.
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*/
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Use Doxygen documentation for functions.
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* \param c Briefly describe all parameters.
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* \return Briefly describe the return value.
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* \retval 0 Functions that return a few specified values
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* \retval 1 can use the \retval keyword instead of \return.
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*
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* Put a longer description of what the function does
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* after the preamble of Doxygen keywords.
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*
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* This template should always be used to document
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* functions. The text following the introduction is used
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* as the function's documentation.
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*
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* Function prototypes have the return type on one line,
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* the name and arguments on one line (with no space
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* between the name and the first parenthesis), followed
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* by a single curly bracket on its own line.
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*/
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void
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code_style_example_function(void)
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{
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/*
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* Local variables should always be declared at the start of the
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* function.
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*/
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int i; /* Use short variable names for loop
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counters. */
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/*
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* There should be no space between keywords and the first
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* parenthesis. There should be spaces around binary operators, no
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* spaces between a unary operator and its operand.
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*
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* Curly brackets following for(), if(), do, and case() statements
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* should follow the statement on the same line.
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*/
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for(i = 0; i < 10; ++i) {
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/*
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* Always use full blocks (curly brackets) after if(), for(), and
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* while() statements, even though the statement is a single line
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* of code. This makes the code easier to read and modifications
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* are less error prone.
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*/
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if(i == c) {
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return c; /* No parentesis around return values. */
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} else { /* The else keyword is placed inbetween
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curly brackers, always on its own line. */
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c++;
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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/*
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* Static (non-global) functions do not need Doxygen comments. The
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* name should not be prepended with the module name - doing so would
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* create confusion.
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*/
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static void
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an_example_function(void)
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{
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}
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/*---------------------------------------------------------------------------*/
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/* The following stuff ends the \defgroup block at the beginning of
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the file: */
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/** @} */
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