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