lol: Added Olimex LoL array support, 13x9 LED matrix

Signed-off-by: izard <alexander.komarov@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>

src/lol/lol.h

@@ -0,0 +1,93 @@
+/*
+ * Author: Alexander Komarov <alexander.komarov@intel.com>
+ * Copyright (c) 2014 Intel Corporation.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#pragma once
+
+#include <string>
+#include <mraa/gpio.h>
+#include <mraa/aio.h>
+#include <pthread.h>
+
+namespace upm {
+
+#define LOL_X 14
+#define LOL_Y 9
+/**
+ * @brief C++ API for Olimex LoL array
+ *
+ * This file defines the LoL API and implemntation for 
+ * a simple framebuffer
+ *
+ * @snippet lol-example.cxx Interesting
+ *
+ */
+class LoL {
+    public:
+        /**
+         * Instantiates a LoL object
+         * singleton
+         */
+        LoL();
+
+        /**
+         * LoL object destructor
+         */
+        ~LoL();
+
+        /**
+         * Get framebuffer pointer
+         * @return 0 on success
+         */
+        unsigned char *getFramebuffer();
+
+        /**
+         * Gets pixel at coordinates
+         * @param x coordinate x
+         * @param y coordinate y
+         * @return 1 if pixel is on, 0 if off, -1 on error
+         */
+        unsigned char getPixel(int x, int y);
+
+        /**
+         * sets pixel at coordinates
+         * @param x coordinate x
+         * @param y coordinate y
+         * @param pixel 0 is off, 1 is on
+         * @return 0 on success, -1 on error
+         */
+        unsigned char setPixel(int x, int y, unsigned char pixel);
+
+        /**
+         * Get framebuffer pointer
+         * @return 1 if pixel is on, 0 if off, -1 on error
+         */
+        unsigned char getBit(int x, int y);
+
+
+    private:
+        mraa_gpio_context    m_LoLCtx[14];
+        unsigned char framebuffer[LOL_X*LOL_Y];
+        pthread_t        drawer_thread;
+};
+};
+