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added debounce timer to button sensor
OBS removed sensor changed notification when button released!
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f3e5126a8c
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@ -26,7 +26,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: button-sensor.c,v 1.1 2006/08/21 12:11:19 fros4943 Exp $
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* $Id: button-sensor.c,v 1.2 2006/10/05 11:51:51 fros4943 Exp $
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*/
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#include "lib/sensors.h"
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@ -35,6 +35,7 @@
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const struct simInterface button_interface;
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const struct sensors_sensor button_sensor;
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static struct timer debouncetimer;
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// COOJA variables
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char simButtonChanged;
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@ -46,6 +47,7 @@ static void
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init(void)
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{
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simButtonIsActive = 1;
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timer_set(&debouncetimer, 0);
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}
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/*---------------------------------------------------------------------------*/
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static int
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@ -75,7 +77,7 @@ active(void)
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static unsigned int
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value(int type)
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{
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return simButtonIsDown;
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return simButtonIsDown || !timer_expired(&debouncetimer);
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}
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/*---------------------------------------------------------------------------*/
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static int
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@ -94,10 +96,13 @@ static void
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doInterfaceActionsBeforeTick(void)
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{
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// Check if button value has changed
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if (simButtonChanged && simButtonIsActive) {
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if (simButtonChanged && simButtonIsActive && simButtonIsDown) {
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if(timer_expired(&debouncetimer)) {
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timer_set(&debouncetimer, CLOCK_SECOND / 4);
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sensors_changed(&button_sensor);
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simButtonChanged = 0;
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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static void
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