Adding /demos/modules/gos/threads_advanced

3 files changed, 147 insertions, 0 deletions

diff --git a/demos/modules/gos/threads_advanced/demo.mk b/demos/modules/gos/threads_advanced/demo.mk
new file mode 100644
index 00000000..80b79c46
--- /dev/null
+++ b/demos/modules/gos/threads_advanced/demo.mk
@@ -0,0 +1,3 @@
+DEMODIR = $(GFXLIB)/demos/modules/gos/threads_advanced
+GFXINC +=   $(DEMODIR)
+GFXSRC +=	$(DEMODIR)/main.c
diff --git a/demos/modules/gos/threads_advanced/gfxconf.h b/demos/modules/gos/threads_advanced/gfxconf.h
new file mode 100644
index 00000000..f954e973
--- /dev/null
+++ b/demos/modules/gos/threads_advanced/gfxconf.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2012, 2013, Joel Bodenmann aka Tectu <joel@unormal.org>
+ * Copyright (c) 2012, 2013, Andrew Hannam aka inmarket
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * Neither the name of the <organization> nor the
+ *      names of its contributors may be used to endorse or promote products
+ *      derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _GFXCONF_H
+#define _GFXCONF_H
+
+/* The operating system to use. One of these must be defined - preferably in your Makefile */
+//#define GFX_USE_OS_CHIBIOS	FALSE
+//#define GFX_USE_OS_WIN32		FALSE
+//#define GFX_USE_OS_LINUX		FALSE
+//#define GFX_USE_OS_OSX		FALSE
+
+#define GFX_USE_GTIMER        TRUE
+
+#endif /* _GFXCONF_H */
+
diff --git a/demos/modules/gos/threads_advanced/main.c b/demos/modules/gos/threads_advanced/main.c
new file mode 100644
index 00000000..7fdf5e0c
--- /dev/null
+++ b/demos/modules/gos/threads_advanced/main.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2012, 2013, Joel Bodenmann aka Tectu <joel@unormal.org>
+ * Copyright (c) 2012, 2013, Andrew Hannam aka inmarket
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * Neither the name of the <organization> nor the
+ *      names of its contributors may be used to endorse or promote products
+ *      derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * This demo shows how to create a static thread and how to terminate it
+ * after some period of time.
+ * A GTimer is used to termiate the thread.
+ *
+ * Note: The GOS API does not provide any function to terminate or kill a thread
+ *       as not every operating system allows it to terminate a thread out
+ *       from another one. Therefore, we use the parameters to implement a
+ *       "fall over the edge" algorithm.
+ */
+
+#include "gfx.h"
+
+GTimer				gt;
+gfxThreadHandle		thd;
+
+/*
+ * Thread function
+ * Prints a message
+ */
+threadreturn_t Thread_function(void* param)
+{	
+	/* Cast the paramter into a bool pointer so we can use it */
+	bool_t* doExit = (bool_t*)param;
+
+	/* Execute this until we shall be terminated */
+	while (*doExit == FALSE) {
+		printf("Message from Thread\r\n");
+		gfxSleepMilliseconds(500);
+	}
+
+	/* Don't return anything */
+	return (threadreturn_t)0;
+}
+
+/*
+ * Timer callback function
+ * Will be called when timer expires/fires
+ */
+void timerCallback(void* param)
+{
+	/* Cast the paramter into a bool pointer so we can use it */
+	bool_t* threadExit = (bool_t*)param;
+	
+	/* Ask the Thread to fall over the end */
+	printf("Closing thread!\r\n");
+	*threadExit = TRUE;
+}
+
+/*
+ * The main function
+ */
+int main(void)
+{
+	bool_t exitThread = FALSE;
+
+	gfxInit();
+
+	/* Initialize the timer */
+	gtimerInit(&gt);
+
+	/* Create a static thread from the default heap with normal priority. No parameter passed */
+	thd = gfxThreadCreate(NULL, 128, NORMAL_PRIORITY, Thread_function, (void*)&exitThread);
+
+	/* Start the timer. The callback function will be called once after 2000ms
+	 * We will pass the thread handle as a parameter so the timer can ask the thread to termite
+	 */
+	gtimerStart(&gt, timerCallback, (void*)&exitThread, FALSE, 2000);
+
+    while(TRUE) {
+    	gfxSleepMilliseconds(500);
+    }   
+}