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/*
* 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(>);
/* Create a static thread from the default heap with normal priority.
* We pass a the parameter to the thread which tells the thread whether to return or not
*/
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(>, timerCallback, (void*)&exitThread, FALSE, 2000);
while(TRUE) {
gfxSleepMilliseconds(500);
}
}
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