Initial Commit

addon_config.mk

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+# All variables and this file are optional, if they are not present the PG and the
+# makefiles will try to parse the correct values from the file system.
+#
+# Variables that specify exclusions can use % as a wildcard to specify that anything in
+# that position will match. A partial path can also be specified to, for example, exclude
+# a whole folder from the parsed paths from the file system
+#
+# Variables can be specified using = or +=
+# = will clear the contents of that variable both specified from the file or the ones parsed
+# from the file system
+# += will add the values to the previous ones in the file or the ones parsed from the file 
+# system
+# 
+# The PG can be used to detect errors in this file, just create a new project with this addon 
+# and the PG will write to the console the kind of error and in which line it is
+
+meta:
+	ADDON_NAME = ofxRpiLED
+	ADDON_DESCRIPTION = Addon for driving an LED matrix on the Raspberry PI
+	ADDON_AUTHOR = Urs Hofer
+	ADDON_TAGS = "Hardware Interface"
+	ADDON_URL = https://github.com/urshofer/ofxRpiLED
+
+common:
+	# dependencies with other addons, a list of them separated by spaces 
+	# or use += in several lines
+	# ADDON_DEPENDENCIES =
+
+	# include search paths, this will be usually parsed from the file system
+	# but if the addon or addon libraries need special search paths they can be
+	# specified here separated by spaces or one per line using +=
+	# ADDON_INCLUDES =
+
+	# any special flag that should be passed to the compiler when using this
+	# addon
+	# ADDON_CFLAGS =
+
+	# any special flag that should be passed to the linker when using this
+	# addon, also used for system libraries with -lname
+	# ADDON_LDFLAGS =
+
+	# linux only, any library that should be included in the project using
+	# pkg-config
+	# ADDON_PKG_CONFIG_LIBRARIES =
+
+	# osx/iOS only, any framework that should be included in the project
+	# ADDON_FRAMEWORKS =
+
+	# source files, these will be usually parsed from the file system looking
+	# in the src folders in libs and the root of the addon. if your addon needs
+	# to include files in different places or a different set of files per platform
+	# they can be specified here
+	# ADDON_SOURCES =
+
+	# some addons need resources to be copied to the bin/data folder of the project
+	# specify here any files that need to be copied, you can use wildcards like * and ?
+	# ADDON_DATA = 
+
+	# when parsing the file system looking for libraries exclude this for all or
+	# a specific platform
+	# ADDON_LIBS_EXCLUDE =
+
+	# when parsing the file system looking for sources exclude this for all or
+	# a specific platform
+	ADDON_SOURCES_EXCLUDE = libs/oscpack/src/ip/win32/%
+
+	# when parsing the file system looking for include paths exclude this for all or
+	# a specific platform
+    # ADDON_INCLUDES_EXCLUDE = 
+
+linuxarmv6l:
+	ADDON_PKG_CONFIG_LIBRARIES = matrix
+	ADDON_LIBS_EXCLUDE = libs/matrix
+	ADDON_INCLUDES_EXCLUDE = libs/matrix/%
+
+linuxarmv7l:
+	ADDON_PKG_CONFIG_LIBRARIES = matrix
+	ADDON_LIBS_EXCLUDE = libs/matrix
+	ADDON_INCLUDES_EXCLUDE = libs/matrix/%

src/ofxRpiLED.cpp

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+
+#include "ofxRpiLED.h"
+
+
+// Constructor
+ofxRpiLED::ofxRpiLED() {
+    rows = 32;    // A 32x32 display. Use 16 when this is a 16x32 display.
+    chain = 1;    // Number of boards chained together.
+    parallel = 1; // Number of chains in parallel (1..3). > 1 for plus or Pi2
+}
+
+// Desonstructor
+ofxRpiLED::~ofxRpiLED() {
+	canvas->Clear();
+	delete canvas;
+}
+
+void ofxRpiLED::setup(int _rows, int _chain, int _parallel){
+	rows 		= _rows;
+	chain 		= _chain;
+	parallel 	= _parallel;
+	*canvas = new RGBMatrix(&io, rows, chain, parallel);
+	canvas->Fill(0, 0, 0);	
+    cW = canvas->width();
+    cH = canvas->height();
+}
+
+void ofxRpiLED::clear(){
+	canvas->Clear();
+}
+
+void ofxRpiLED::draw(ofPixels p){
+	if (cW != p.getWidth() && cH != p.getHeight())
+		p.resize(cW, cH);
+    for (int x = 0; x < cW; x++) {
+		for (int y = 0; y < cH; y++) {
+			ofColor c = p.getColor(x, y);
+			canvas->SetPixel(x, y, c.r, c.g, c.b);
+		}
+    }	
+
+}

src/ofxRpiLED.h

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+
+#include "ofMain.h"
+#include "led-matrix.h"
+
+using namespace rgb_matrix;
+
+class ofxRpiLED {
+
+private:
+
+    int 		rows = 32;    // A 32x32 display. Use 16 when this is a 16x32 display.
+    int 		chain = 1;    // Number of boards chained together.
+    int 		parallel = 1; // Number of chains in parallel (1..3). > 1 for plus or Pi2
+	int 		cW;
+	int 		cH;	
+	Canvas 		*canvas;
+
+
+public:
+
+    ofxRpiLED();
+    ~ofxRpiLED();
+
+    void setup(int _rows, int _chain, int _parallel);
+    void clear();
+    void draw(ofPixels p);
+
+};
+
+#endif