Add documentation

space_game/SpaceGame/src/driver/display/display.c

@@ -9,12 +9,12 @@
 
 
 static uint8_t const configuration[] PROGMEM = {
-	0xD5, 0xF0,			// set clock frequency
-	0x8D, 0x14,			// enable charge pump
-	0x20, 0x00,			// horizontal addressing mode
-	0xD6, 0x01,			// 2 times vertical zoom
-	0x22, 0x00, 0x03,	// only draw to the top half of the screen
-	0xAF				// display on
+	0xD5, 0xF0,			/// set clock frequency
+	0x8D, 0x14,			/// enable charge pump
+	0x20, 0x00,			/// horizontal addressing mode
+	0xD6, 0x01,			/// 2 times vertical zoom
+	0x22, 0x00, 0x03,	/// only draw to the top half of the screen
+	0xAF				/// display on
 };
 
 static struct {
@@ -43,8 +43,8 @@ void initializeDisplay(DrawFunction drawEverything) {
 	setOutputPin(DISPLAY_RESET_OUTPUT_PIN, false);
 	for (volatile uint8_t i = 0; i != 255; i++)
 		;
-	// some time has to elapse before the next line gets called,
-	// otherwise the display wont turn on
+	/// some time has to elapse before the next line gets called,
+	/// otherwise the display wont turn on
 	setOutputPin(DISPLAY_RESET_OUTPUT_PIN, true);
 	
 	for (uint8_t i = 0; i < sizeof(configuration); i++) {

space_game/SpaceGame/src/driver/display/display.h

@@ -7,51 +7,51 @@
 #include "../../util/rectangle/rectangle.h"
 
 
-/*
+/**
 	SPI driver for D096-12864
 */
 
 #define DISPLAY_RESET_OUTPUT_PIN PB0
 #define DISPLAY_DC_OUTPUT_PIN PB4
 
-// A two-times downscaling is used for greater performance
+/// A two-times downscaling is used for greater performance
 #define DISPLAY_WIDTH_IN_PIXELS 64
 #define DISPLAY_HEIGHT_IN_PIXELS 32
 
-// To easily access the window size
+/// To easily access the window size
 #define WINDOW ((Rectangle){(Vec2){0, 0}, (Vec2){DISPLAY_WIDTH_IN_PIXELS, DISPLAY_HEIGHT_IN_PIXELS}})
 	
-// To conserve RAM, drawing is done in chunks of DEFAULT_COMPOSITING_WINDOW size
-// instead of buffering the whole display and writing it out at once
+/// To conserve RAM, drawing is done in chunks of DEFAULT_COMPOSITING_WINDOW size
+/// instead of buffering the whole display and writing it out at once
 #define DEFAULT_COMPOSITING_WINDOW ((Rectangle){(Vec2){0, 0}, (Vec2){DISPLAY_WIDTH_IN_PIXELS, 8}})
 
 typedef void (*DrawFunction)(Rectangle);
 
-// Call DrawFunction n times after a call to drawFrame has been made
+/// Call DrawFunction n times after a call to drawFrame has been made
 void initializeDisplay(DrawFunction drawEverything);
 
-// Set a the brightness of the display
-// Value can be any number between 0 and 255.
+/// Set a the brightness of the display
+/// Value can be any number between 0 and 255.
 void setDisplayContrast(uint8_t value);
 
-// To conserve program memory, pixel based intersection test
-// is implemented here.
-// Calling draw functions after calling startIntersectionTest
-// will set a wasIntersection bit appropriately.
+/// To conserve program memory, pixel based intersection test
+/// is implemented here.
+/// Calling draw functions after calling startIntersectionTest
+/// will set a wasIntersection bit appropriately.
 
-// Clear buffer and wasIntersection bit
+/// Clear buffer and wasIntersection bit
 void startIntersectionTest();
 
-// Return wasIntersection bit
+/// Return wasIntersection bit
 bool endIntersectionTest();
 
-// Initiate a draw sequence
+/// Initiate a draw sequence
 void drawFrame();
 
-// Draw a sprite of size boundingBox.size at boundingBox.position from bitmap
-// if isMirrored then mirror around the vertical axis
-// Bitmap's data is interpreted the following way:
-/*
+/// Draw a sprite of size boundingBox.size at boundingBox.position from bitmap
+/// if isMirrored then mirror around the vertical axis
+/// Bitmap's data is interpreted the following way:
+/**
 	Each 16 bit word corresponds to an 8 pixel high column.
 	(These columns are laid out horizontally from left to right. Unfortunately,
 	the display uses this addressing mode.) The higher 8 bits of the word is the 
@@ -63,9 +63,9 @@ void drawFrame();
 */
 void drawBitmapFromProgMem(Rectangle boundingBox, uint16_t const bitmap[boundingBox.size.x][(boundingBox.size.y + 7) / 8], bool isMirrored);
 
-// Draw a one byte repeated texture covering the parameter box
-// for a white rectangle use these arguments: invertedMask: don't care, fill: 0xFF
-// for a black rectangle use these arguments: invertedMask: 0xFF, fill: 0x00
+/// Draw a one byte repeated texture covering the parameter box
+/// for a white rectangle use these arguments: invertedMask: don't care, fill: 0xFF
+/// for a black rectangle use these arguments: invertedMask: 0xFF, fill: 0x00
 void drawFilledRectangle(Rectangle box, uint8_t invertedMask, uint8_t fill);
 
 #endif

space_game/SpaceGame/src/driver/infra/infra.c

@@ -8,11 +8,11 @@
 #include "../uart/receive.h"
 
 
-// (0.5625 + (0.5625 + 1.6875) / 2) / 1000 / timer interval
+/// (0.5625 + (0.5625 + 1.6875) / 2) / 1000 / timer interval
 #define MEAN_OF_0_1_BIT_TIMES 53
-// 9 / 2 / 1000 / timer interval
+/// 9 / 2 / 1000 / timer interval
 #define MAYBE_ONE_CHECK_TIME 141
-// some large value
+/// some large value
 #define TIMEOUT 254
 
 typedef enum {
@@ -139,8 +139,8 @@ ISR(TIM0_COMPB_vect) {
 }
 
 void initializeInfra(OnCommandReceived onCommandReceived) {
-	setBit(PORTB, IR_PIN);	// enable pull-up
-	setBit(PCMSK, IR_PIN);	// specific pin change interrupt enable
-	setBit(GIMSK, PCIE);	// global on pin change interrupt enable;
+	setBit(PORTB, IR_PIN);	/// enable pull-up
+	setBit(PCMSK, IR_PIN);	/// specific pin change interrupt enable
+	setBit(GIMSK, PCIE);	/// global on pin change interrupt enable;
 	infra.onCommandReceived = onCommandReceived;
 }

space_game/SpaceGame/src/driver/infra/infra.h

@@ -5,7 +5,7 @@
 #include <avr/io.h>
 
 
-/*
+/**
 	Custom NEC implementation using a TSOP4838
 */
 
@@ -15,9 +15,9 @@
 
 typedef void (*OnCommandReceived)(uint8_t);
 
-// Initialize infra and call onCommandReceived with every received byte
-// Call onCommandReceived with the argument REPEAT_CODE if a repeat code 
-// has been received.
+/// Initialize infra and call onCommandReceived with every received byte
+/// Call onCommandReceived with the argument REPEAT_CODE if a repeat code 
+/// has been received.
 void initializeInfra(OnCommandReceived onCommandReceived);
 
 #endif

space_game/SpaceGame/src/driver/sleep/sleep.h

@@ -4,10 +4,10 @@
 #include <stdbool.h>
 #include <avr/io.h>
 
-// FrameFunction gets previousFrameTime (in milliseconds) as argument
+/// FrameFunction gets previousFrameTime (in milliseconds) as argument
 typedef bool (*FrameFunction)(uint8_t);
 
-// Call function every frameLengthInMilliseconds while it returns true
+/// Call function every frameLengthInMilliseconds while it returns true
 void startFrameLoop(FrameFunction function, uint8_t frameLengthInMilliseconds);
 
 #endif

space_game/SpaceGame/src/driver/uart/receive.c

@@ -8,7 +8,7 @@
 
 static struct {
 	uint16_t message;
-	uint8_t bitPosition;		// goes from 0 to 9
+	uint8_t bitPosition;		/// goes from 0 to 9
 	bool previousValue;
 	uint8_t previousTimestamp;
 	OnCommandReceived onCommandReceived;
@@ -17,8 +17,8 @@ static struct {
 };
 
 void initializeUartReceive(OnCommandReceived onCommandReceived) {
-	setBit(PORTB, RECEIVE_PIN);		// setup pull-up
-	setBit(PCMSK, RECEIVE_PIN);		// enable interrupt on pin
+	setBit(PORTB, RECEIVE_PIN);		/// setup pull-up
+	setBit(PCMSK, RECEIVE_PIN);		/// enable interrupt on pin
 	uartReceive.onCommandReceived = onCommandReceived;
 }
 

space_game/SpaceGame/src/driver/uart/receive.h

@@ -1,24 +1,24 @@
 #ifndef RECEIVE_H
 #define RECEIVE_H
 
-/* 
+/** 
 	Custom UART receive implementation with a baud rate of 2400
 */
 
 
-// 8*10^6 / 128 / 2400
+/// 8*10^6 / 128 / 2400
 #define BIT_TIME 26
 #define RECEIVE_PIN PB3
 
 typedef void (*OnCommandReceived)(uint8_t);
 
-// Initialize UART and call onCommandReceived with every byte received
+/// Initialize UART and call onCommandReceived with every byte received
 void initializeUartReceive(OnCommandReceived onCommandReceived);
 
-// Check for change on the UART receive pin
-// This function exist so we can use a single interrupt 
-// handler for both the UART receive and infra pins.
-// Unfortunately, it's not possible to use more than one handler.
+/// Check for change on the UART receive pin
+/// This function exist so we can use a single interrupt 
+/// handler for both the UART receive and infra pins.
+/// Unfortunately, it's not possible to use more than one handler.
 void handlePinChangeForUartReceive();
 
 #endif

space_game/SpaceGame/src/driver/uart/transmit.c

@@ -10,7 +10,7 @@ static struct {
 	char bytes[ASYNC_BUFFER_SIZE];
 	uint8_t start;
 	uint8_t end;
-	// 0 - start bit, 1-8 word bits, 9 - end bit 
+	/// 0 - start bit, 1-8 word bits, 9 - end bit 
 	uint8_t currentMaskPosition;
 } uartTransmitter;
 

space_game/SpaceGame/src/driver/uart/transmit.h

@@ -4,30 +4,30 @@
 #include <avr/io.h>
 
 
-/* 
+/** 
 	Custom UART trasnmit implementation with a baud rate of 2400
 */
 
-// 8*10^6 / 128 / 2400
+/// 8*10^6 / 128 / 2400
 #define BIT_TIME 26
 
-// Messages cannot be longer than this many characters (including trailing zero)
+/// Messages cannot be longer than this many characters (including trailing zero)
 #define ASYNC_BUFFER_SIZE 20
 
 #define UART_OUTPUT_PIN 2
 
-// Start pulling-up the transmit line
+/// Start pulling-up the transmit line
 void initializeUartTransmit();
 
-// Send a single byte over on UART
-// It's done in an asynchronous fashion using a circular buffer.
+/// Send a single byte over on UART
+/// It's done in an asynchronous fashion using a circular buffer.
 void sendByteOnUartAsync(char byte);
 
-// Send a string over on UART
-// It's done in an asynchronous fashion using a circular buffer.
+/// Send a string over on UART
+/// It's done in an asynchronous fashion using a circular buffer.
 void sendTextOnUartAsync(char text[]);
 
-// Send the decimal form of unsigned integer over UART
+/// Send the decimal form of unsigned integer over UART
 void sendUintOnUartAsync(uint8_t number);
 
 #endif

space_game/SpaceGame/src/hardware_access/hardware_access.h

@@ -12,40 +12,40 @@
 #include "output_pins/output_pins.h"
 
 
-/*
+/**
 	This module contains the lowest level functions to manipulate the hardware.
 	You only have to include this header file which serves as a facade.
 	The sub-modules' implementation can be freely changed as long as they
 	still implement these functions.
 */
 
-// Initialize every hardware element at once
+/// Initialize every hardware element at once
 void initializeHardwareAccess();
 
-// Enable interrupt OCCRA for TIMER0 with a modulo of triggerInterruptInXTicks
+/// Enable interrupt OCCRA for TIMER0 with a modulo of triggerInterruptInXTicks
 void enableTimerA(uint8_t triggerInterruptInXTicks);
 
-// Enable interrupt OCCRB for TIMER0B with a modulo of triggerInterruptInXTicks
+/// Enable interrupt OCCRB for TIMER0B with a modulo of triggerInterruptInXTicks
 void enableTimerB(uint8_t triggerInterruptInXTicks);
 void disableTimerB();
 
-// Enable interrupt OCCRA for TIMER1 with a modulo of triggerInterruptInXTicks
+/// Enable interrupt OCCRA for TIMER1 with a modulo of triggerInterruptInXTicks
 void enableFastTimerA(uint8_t triggerInterruptInXTicks);
 void disableFastTimerA();
 
-// Return TCNT1
+/// Return TCNT1
 uint8_t getTimestampFromFastTimer();
 
-// Return the time since a timestamp returned by getTimestampFromFastTimer
-// Accounts for overflow.
+/// Return the time since a timestamp returned by getTimestampFromFastTimer
+/// Accounts for overflow.
 uint8_t getTimeSince(uint8_t timestamp);
 
-// Send a single byte on the built-in SPI interface
-// The transfer is done in a serial manner to achieve
-// greater throughput.
+/// Send a single byte on the built-in SPI interface
+/// The transfer is done in a serial manner to achieve
+/// greater throughput.
 void sendByteOnSPI(uint8_t byte);
 
-// Set the value of an output pin
+/// Set the value of an output pin
 void setOutputPin(uint8_t id, bool value);
 
 #endif

space_game/SpaceGame/src/hardware_access/output_pins/output_pins.h

@@ -7,7 +7,7 @@
 
 #define CLK_ST_PIN PB0
 
-// Uses a 74HC595 to extend the number of digital outputs
+/// Uses a 74HC595 to extend the number of digital outputs
 void sendCurrentValue();
 
 inline void initializeOutputPins() {

space_game/SpaceGame/src/hardware_access/power_saving/power_saving.h

@@ -6,8 +6,8 @@
 
 
 inline void initializePowerSaving() {
-	setBit(ACSR, ACD);	// disable ADC to save power
-	PRR = BV(PRADC);	// disable power to ADC (again?)
+	setBit(ACSR, ACD);	/// disable ADC to save power
+	PRR = BV(PRADC);	/// disable power to ADC (again?)
 }
 
 #endif

space_game/SpaceGame/src/hardware_access/spi/spi.h

@@ -9,11 +9,11 @@
 #define USCK_PIN	PB2
 
 inline void initializeSPI() {
-	DDRB |= BV(DO_PIN) | BV(USCK_PIN);	// set pin directions for MOSI and SCK
+	DDRB |= BV(DO_PIN) | BV(USCK_PIN);	/// set pin directions for MOSI and SCK
 }
 
-// This function can be used from other sibling sub-modules
-// it's required for the current outpu_pins implementation.
+/// This function can be used from other sibling sub-modules
+/// it's required for the current outpu_pins implementation.
 void sendByteOnSPI(uint8_t byte);
 
 #endif

space_game/SpaceGame/src/hardware_access/timing/timing.h

@@ -5,9 +5,9 @@
 #include "bitwise.h"
 
 inline void initializeTiming() {
-	TCCR0B = BV(CS02);				 // CLK / 256
-	TCCR1 = BV(CS13);				 // CLK / 128
-	TIMSK = BV(OCIE0A) | BV(OCIE1A); // enable compare interrupts
+	TCCR0B = BV(CS02);				 /// CLK / 256
+	TCCR1 = BV(CS13);				 /// CLK / 128
+	TIMSK = BV(OCIE0A) | BV(OCIE1A); /// enable compare interrupts
 }
 
 #endif

space_game/SpaceGame/src/main.c

@@ -1,12 +1,12 @@
 #include "mediator/mediator.h"
 
 
-// Stemming from the module oriented nature of the project
-// there is a module responsible for setting up and orchestrating
-// the other modules.
-//
-// From the main function we only have to instruct the afromentioned
-// mediator module to do its job.
+/// Stemming from the module oriented nature of the project
+/// there is a module responsible for setting up and orchestrating
+/// the other modules.
+///
+/// From the main function we only have to instruct the aforementioned
+/// mediator module to do its job.
 
 int main(void) {
 	setupConnections();

space_game/SpaceGame/src/mediator/mediator.c

@@ -14,9 +14,9 @@
 #include "../driver/uart/receive.h"
 
 
-#define TARGET_FRAME_DURATION 20	// ms
-#define DEATH_SCREEN_LENGTH 50		// frames
-#define REPORT_INTERVAL 50			// every x frames
+#define TARGET_FRAME_DURATION 20	/// ms
+#define DEATH_SCREEN_LENGTH 50		/// frames
+#define REPORT_INTERVAL 50			/// every x frames
 
 static struct {
 	uint8_t contrast;

space_game/SpaceGame/src/mediator/mediator.h

@@ -4,17 +4,17 @@
 #include <avr/io.h>
 
 
-// Setup the drivers, and business layer objects and their relations
-// It is kind of a very basic dependency injection.
+/// Setup the drivers, and business layer objects and their relations
+/// It is kind of a very basic dependency injection.
 void setupConnections();
 
-// Start drawing frames and ticking objects
+/// Start drawing frames and ticking objects
 void startGame();
 
-// Increase or decrease the contrast (brightness) of the display
-// by the given value
-// The contrast can be any number between 0 and 255.
-// The function automatically clamps the contrast.
+/// Increase or decrease the contrast (brightness) of the display
+/// by the given value
+/// The contrast can be any number between 0 and 255.
+/// The function automatically clamps the contrast.
 void changeDisplayContrast(int8_t by);
 
 #endif

space_game/SpaceGame/src/objects/ai/ai.c

@@ -32,7 +32,7 @@ static AIAction actions[AI_ACTION_COUNT];
 
 
 static Vec2 whichDirectionToMove(Object* astronaut, Vec2 position) {
-	bool const isTargetOnUpperFloor = isOnUpperFloor((Rectangle){position, (Vec2){0, 0}});		// else it's on the lower floor
+	bool const isTargetOnUpperFloor = isOnUpperFloor((Rectangle){position, (Vec2){0, 0}});		/// else it's on the lower floor
 
 	Vec2 const ladder = add(LADDER_BOUNDING_BOX.position, spaceshipObject->position);
 	

space_game/SpaceGame/src/objects/ai/ai.h

@@ -1,12 +1,12 @@
 #ifndef AI_H
 #define AI_H
 
-// Between AI astronauts do actions
-// there has to be at least this many frames
+/// Between AI astronauts do actions
+/// there has to be at least this many frames
 #define AI_ACTION_INTERVAL 15
 
-// If there are non player controlled astronauts
-// control them according to some basic rule set
+/// If there are non player controlled astronauts
+/// control them according to some basic rule set
 void handleAI();
 
 #endif

space_game/SpaceGame/src/objects/commands/commands.h

@@ -1,17 +1,17 @@
 #ifndef COMMANDS_H
 #define COMMANDS_H
 
-// There can be no more than COMMAND_BUFFER_SIZE commands
-// waiting for processing simultaneously
+/// There can be no more than COMMAND_BUFFER_SIZE commands
+/// waiting for processing simultaneously
 #define COMMAND_BUFFER_SIZE 8
 
-// increaseContrast and decreaseContrast changes the contrast
-// with this value
+/// increaseContrast and decreaseContrast changes the contrast
+/// with this value
 #define CONTRAST_STEP 15
 
-// The possible inputs of the system
-// Coincidentally these are the codes of the IR remote
-// controller's buttons.
+/// The possible inputs of the system
+/// Coincidentally these are the codes of the IR remote
+/// controller's buttons.
 typedef enum {
 	noCommand = 0,
 	repeat = 1,
@@ -24,11 +24,11 @@ typedef enum {
 	action = 199,
 } Command;
 
-// Add a new command to the buffer
-// It will not be processed immediately.
+/// Add a new command to the buffer
+/// It will not be processed immediately.
 void addCommand(Command command);
 
-// Process every command in the buffer at once in a FIFO manner
+/// Process every command in the buffer at once in a FIFO manner
 void handleCommands();
 
 #endif

space_game/SpaceGame/src/objects/event_generator/event_generator.h

@@ -3,16 +3,16 @@
 
 #define MAX_ASTEROID_COUNT 2
 
-// For minimizing code size the position of generated objects is
-// decided randomly. If it fits then it stays. For each generated object
-// can be a maximum of TRY_COUNT tries.
+/// For minimizing code size the position of generated objects is
+/// decided randomly. If it fits then it stays. For each generated object
+/// can be a maximum of TRY_COUNT tries.
 #define TRY_COUNT 16
 
-// Create the necessary objects in order to start the game
-// These include the background, spaceship and the player's character.
+/// Create the necessary objects in order to start the game
+/// These include the background, spaceship and the player's character.
 void createObjects();
 
-// Generate asteroids and astronaut randomly based on a set of conditions
+/// Generate asteroids and astronaut randomly based on a set of conditions
 void generateEvents();
 
 #endif

space_game/SpaceGame/src/objects/object.c

@@ -22,7 +22,7 @@ void drawObject(Object* object, Rectangle compositingWindow) {
 }
 
 Vec2 getSizeFromPrototype(Prototype const* prototype) {
-	// required for casting
+	/// required for casting
 	uint16_t read = pgm_read_word(&prototype->size);
 	Vec2* v = (Vec2*) &read;
 	return *v;

space_game/SpaceGame/src/objects/object.h

@@ -16,12 +16,12 @@
 #include "prototype.h"
 
 
-// Objects (they could have been called GameObjects) have a simple 
-// hierarchy. A prototype/flyweight motivated system is used.
-// Each type has some common data and methods which are stored
-// in their respective prototype. 
-// This module provides us with the methods to easily and mostly
-// transparently access an object's prototype.
+/// Objects (they could have been called GameObjects) have a simple 
+/// hierarchy. A prototype/flyweight motivated system is used.
+/// Each type has some common data and methods which are stored
+/// in their respective prototype. 
+/// This module provides us with the methods to easily and mostly
+/// transparently access an object's prototype.
 
 
 typedef union {
@@ -39,30 +39,30 @@ struct _object_t {
 	object_specific_data_t as;
 };
 
-// Set the prototype of the holder and initialize all the holder's
-// vale to zero. Return the freshly updated holder
+/// Set the prototype of the holder and initialize all the holder's
+/// vale to zero. Return the freshly updated holder
 Object* createObject(Prototype const* prototype, Object* holder);
 
-// Call the tick function referenced in the object's prototype
-// on the object itself
-// Object might react to the elapsed time.
-// Does nothing when called with NULL.
+/// Call the tick function referenced in the object's prototype
+/// on the object itself
+/// Object might react to the elapsed time.
+/// Does nothing when called with NULL.
 void tickObject(Object* object, uint8_t previousFrameTime);
 
-// Call the draw function referenced in the object's prototype
-// on the object itself.
-// Does nothing when called with NULL.
+/// Call the draw function referenced in the object's prototype
+/// on the object itself.
+/// Does nothing when called with NULL.
 void drawObject(Object* object, Rectangle compositingWindow);
 
-// Find out the prototype of the object and return the size of that
+/// Find out the prototype of the object and return the size of that
 Vec2 getSize(Object const* object);
 Vec2 getSizeFromPrototype(Prototype const* prototype);
 
-// Move the position of the object by a vector
+/// Move the position of the object by a vector
 void move(Object* object, Vec2 value);
 
-// Get a new rectangle from the objects position and its 
-// prototype's size
+/// Get a new rectangle from the objects position and its 
+/// prototype's size
 Rectangle getBoundingBox(Object const* object);
 
 #endif

space_game/SpaceGame/src/objects/object_container/object_container.h

@@ -11,11 +11,11 @@
 #include "../../util/vec2/vec2.h"
 
 
-// Contain up to OBJECT_COUNT objects. 
-// Provide the basic functionality to access, search and modify
-// these objects.
-// For ease of use, there are some convenience global variables for accessing
-// objects that are very commonly accessed.
+/// Contain up to OBJECT_COUNT objects. 
+/// Provide the basic functionality to access, search and modify
+/// these objects.
+/// For ease of use, there are some convenience global variables for accessing
+/// objects that are very commonly accessed.
 
 #define OBJECT_COUNT 10
 #define BACKGROUND_INDEX 0
@@ -25,34 +25,34 @@
 #define spaceshipObject (objects + SPACESHIP_INDEX)
 #define character (objects + CHARACTER_INDEX)
 
-// The actual container
+/// The actual container
 Object objects[OBJECT_COUNT];
 
-// may return NULL
+/// may return NULL
 Object* getFirstOfType(Prototype const* type);
-// may return NULL
+/// may return NULL
 
 #define getEmptyObjectSpace() getFirstOfType(NULL)
 
-// Return the number of objects with a prototype being type
+/// Return the number of objects with a prototype being type
 uint8_t getCountOf(Prototype const* type);
 
-// Return a reference to a random object intersecting boundingBox and having
-// a prototype of type
+/// Return a reference to a random object intersecting boundingBox and having
+/// a prototype of type
 Object* getIntersectingObjectOfType(Rectangle boundingBox, Prototype const* type);
 
-// Call the tick method of every object
-// objects might respond to the elapsed time
+/// Call the tick method of every object
+/// objects might respond to the elapsed time
 void tickObjects(uint8_t previousFrameTime);
 
-// Call the draw method of every object
+/// Call the draw method of every object
 void drawObjects(Rectangle window);
 
-// Delete the object given by its address from objects
-// It achieves this by setting the object's prototype to NULL.
+/// Delete the object given by its address from objects
+/// It achieves this by setting the object's prototype to NULL.
 void clearObject(Object* object);
 
-// Delete every object inside of objects
+/// Delete every object inside of objects
 void initializeObjectContainer();
 
 #endif

space_game/SpaceGame/src/objects/prototype.h

@@ -5,17 +5,17 @@
 #include "../util/rectangle/rectangle.h"
 
 
-// See more information in object.h
+/// See more information in object.h
 
 struct _object_t;
 typedef struct _object_t Object;
 
-// Update the inner state of the given object
-// The first argument is the object itself, the second is the elapsed
-// time in milliseconds.
+/// Update the inner state of the given object
+/// The first argument is the object itself, the second is the elapsed
+/// time in milliseconds.
 typedef void (*TickMethod)(Object*, uint8_t);
 
-// Draw the given object if its overlapping with the given rectangle
+/// Draw the given object if its overlapping with the given rectangle
 typedef void (*DrawMethod)(Object*, Rectangle);
 
 typedef struct {

space_game/SpaceGame/src/objects/types/astronaut/astronaut.h

@@ -8,8 +8,8 @@
 #define ASTRONAUT_SIZE ((Vec2){5, 5})
 #define MOVE_FRAME_COUNT 4
 
-// Between two consecutive actions (or movements)
-// there has to be at least this many milliseconds
+/// Between two consecutive actions (or movements)
+/// there has to be at least this many milliseconds
 #define TIME_BETWEEN_ACTION_CHANGE 40
 
 typedef enum {

space_game/SpaceGame/src/objects/types/background/background.c

@@ -67,5 +67,5 @@ void initializeBackground() {
 const Prototype Background PROGMEM = {
 	.tick = tick,
 	.draw = draw,
-	.size = (Vec2){DISPLAY_WIDTH_IN_PIXELS, DISPLAY_HEIGHT_IN_PIXELS}	// == WINDOW.size
+	.size = (Vec2){DISPLAY_WIDTH_IN_PIXELS, DISPLAY_HEIGHT_IN_PIXELS}	/// == WINDOW.size
 };

space_game/SpaceGame/src/objects/types/sprites.c

@@ -3,7 +3,7 @@
 #include <avr/eeprom.h>
 
 
-// AUTO-GENERATED
+/// AUTO-GENERATED
 
 const uint16_t small_character_moving[4][5][1] EEMEM = {{{0x606},{0x1f1d},{0xf0b},{0x1f1d},{0x606}},{{0x606},{0x1f1d},{0xf0b},{0xf0d},{0x1616}},{{0x606},{0x1f1d},{0xf0b},{0x1f1d},{0x606}},{{0x606},{0xf0d},{0x1f1b},{0x1f1d},{0x606}}};
 const uint16_t spaceship_idle[1][36][3] EEMEM = {{{0x404,0x1414,0x1010},{0x404,0x3e3e,0x1010},{0xceca,0xffff,0x3828},{0xee6a,0xff8a,0x3929},{0xff3b,0xff09,0x7f6f},{0xff91,0xff08,0x7f44},{0xff51,0xff08,0x7f44},{0xff31,0xff08,0x7f44},{0xff1f,0xff08,0x7f7c},{0xf111,0xff08,0x4744},{0xf010,0xff08,0x704},{0xf010,0xfff8,0x707},{0xf010,0xff28,0x705},{0xf010,0xfff8,0x707},{0xf010,0xff08,0x704},{0xf010,0xff08,0x704},{0xf010,0xff08,0x704},{0xf010,0xff08,0x704},{0xf414,0xff08,0x1714},{0xf414,0xff08,0x1714},{0xfc1c,0xff08,0x1f1c},{0xfc1c,0xff08,0x1f1c},{0xf818,0xff08,0xf0c},{0xf010,0xff08,0x704},{0xf010,0xff08,0x704},{0xf010,0xff08,0x704},{0xf010,0xff0c,0x704},{0xf010,0xff0a,0x704},{0xf0b0,0xff1f,0x706},{0xe020,0xff1c,0x302},{0xe060,0xff1c,0x303},{0xc0c0,0xff9c,0x101},{0x8080,0xffdd,0x0},{0x0,0x7f7f,0x0},{0x0,0x1c1c,0x0},{0x0,0x808,0x0}}};

space_game/SpaceGame/src/objects/types/sprites.h

@@ -4,7 +4,7 @@
 #include <avr/io.h>
 
 
-// AUTO-GENERATED
+/// AUTO-GENERATED
 
 const uint16_t small_character_moving[4][5][1];
 const uint16_t spaceship_idle[1][36][3];

space_game/SpaceGame/src/util/random/random.h

@@ -4,11 +4,11 @@
 #include <avr/io.h>
 
 
-// Mustn't be zero, should be lower than 65535
+/// Mustn't be zero, should be lower than 65535
 #define SEED 42
 
-// Simple LFSR with some improvements to enhance distribution
-// while maintaining short execution time
+/// Simple LFSR with some improvements to enhance distribution
+/// while maintaining short execution time
 uint8_t getRandomNumber();
 
 #endif

space_game/SpaceGame/src/util/rectangle/rectangle.h

@@ -14,13 +14,13 @@ typedef struct {
 
 bool areIntersecting(Rectangle r1, Rectangle r2);
 
-// Return true only if inner is fully inside of outer
+/// Return true only if inner is fully inside of outer
 bool isInside(Rectangle inner, Rectangle outer);
 
-// Return the geometrical middle point of the given rectangle
+/// Return the geometrical middle point of the given rectangle
 Vec2 getCenter(Rectangle r);
 
-// Return a new rectangle shifted by vector translate
+/// Return a new rectangle shifted by vector translate
 Rectangle translateRectangle(Rectangle r, Vec2 translate);
 
 #endif

space_game/SpaceGame/src/util/vec2/vec2.h

@@ -13,14 +13,14 @@ typedef enum {
 	north, west, south, east
 } Direction;
 
-// The array directions can be indexed by a Direction and
-// it contains vectors pointing into that direction.
+/// The array directions can be indexed by a Direction and
+/// it contains vectors pointing into that direction.
 const Vec2 directions[4];
 
 Vec2 add(Vec2 v1, Vec2 v2);
 Vec2 substract(Vec2 v1, Vec2 v2);
 
-// Return new vector with ll components between -1 and 1 (inclusive)
+/// Return new vector with ll components between -1 and 1 (inclusive)
 Vec2 clampVec2(Vec2 vector);
 
 #endif