Initial commit

include/README

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+
+This directory is intended for project header files.
+
+A header file is a file containing C declarations and macro definitions
+to be shared between several project source files. You request the use of a
+header file in your project source file (C, C++, etc) located in `src` folder
+by including it, with the C preprocessing directive `#include'.
+
+```src/main.c
+
+#include "header.h"
+
+int main (void)
+{
+ ...
+}
+```
+
+Including a header file produces the same results as copying the header file
+into each source file that needs it. Such copying would be time-consuming
+and error-prone. With a header file, the related declarations appear
+in only one place. If they need to be changed, they can be changed in one
+place, and programs that include the header file will automatically use the
+new version when next recompiled. The header file eliminates the labor of
+finding and changing all the copies as well as the risk that a failure to
+find one copy will result in inconsistencies within a program.
+
+In C, the usual convention is to give header files names that end with `.h'.
+It is most portable to use only letters, digits, dashes, and underscores in
+header file names, and at most one dot.
+
+Read more about using header files in official GCC documentation:
+
+* Include Syntax
+* Include Operation
+* Once-Only Headers
+* Computed Includes
+
+https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html

include/config.h

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+#pragma once
+
+#define CORNERS_PER_PART 3
+#define LEDS_PER_CORNER 2
+
+// Layout definition
+// Every node has EDGES_PER_PART corners and edges.
+// The edge the signal comes in is edge number 0.
+// All other edges are numbered counter-clockwise.
+// LAYOUT contains a list of edges the signal takes.
+// First node is implied.
+
+// Examples, assuming EDGES_PER_PART == 3:
+// Example: Nodes arranged in a circle: {1, 2, 2, 2, 2}
+// Example: Nodes arranged in a line: {1, 2, 1, 2, 1, 2}
+#define NODE_COUNT 3
+#define LAYOUT {2, 1}
+
+#define LED_COUNT NODE_COUNT * CORNERS_PER_PART * LEDS_PER_CORNER

include/corner.h

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+#pragma once
+
+class Corner {};

include/edge.h

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+#pragma once
+
+class Edge {};

include/node.h

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+#pragma once
+#include <Arduino.h>
+#include "config.h"
+#include "edge.h"
+#include "corner.h"
+
+class Node {
+	public:
+		Node* neighbours[CORNERS_PER_PART];
+		Edge* edges[CORNERS_PER_PART];
+		Corner* corners[CORNERS_PER_PART];
+		Node();
+		Node* create_neighbour(uint8_t edge);
+};

include/prototypes.h

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+#pragma once
+#include <FastLED.h>
+#include <list>
+#include "config.h"
+#include "node.h"
+#include "edge.h"
+#include "corner.h"
+
+
+extern std::list<Node*> nodes;
+extern std::list<Edge*> edges;
+extern std::list<Corner*> corners;
+
+extern CRGB leds[LED_COUNT];

include/tools.h

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+#pragma once
+#include <FastLED.h>
+
+#define LOG(...) Serial.printf(__VA_ARGS__)
+#define LOGln(...) Serial.printf(__VA_ARGS__); Serial.println()
+
+
+void clear_leds();
+void set_all_leds(CRGB color);