void EXTI1_IRQHandler(void)
{
EXTI->IMR &= ~USER_BUTTON_EXTI_LINE1; //close the EXTI_Line
EXTI->EMR &= ~USER_BUTTON_EXTI_LINE1;
Mearuse_time();
STM32vldiscovery_LEDToggle(LED4);
Sonic_dely(0x1f00);
EXTI->IMR |= USER_BUTTON_EXTI_LINE1; //open the EXIT_Line
EXTI->EMR |= USER_BUTTON_EXTI_LINE1;
EXTI_ClearITPendingBit(USER_BUTTON_EXTI_LINE1);
}
static void prvQueueReceiveTask( void *pvParameters )
{
unsigned long ulReceivedValue;
for( ;; )
{
/* Wait until something arrives in the queue - this task will block
indefinitely provided INCLUDE_vTaskSuspend is set to 1 in
FreeRTOSConfig.h. */
xQueueReceive( xQueue, &ulReceivedValue, portMAX_DELAY );
/* To get here something must have been received from the queue, but
is it the expected value? If it is, toggle the green LED. */
if( ulReceivedValue == 100UL )
{
/* NOTE - accessing the LED port should use a critical section
because it is accessed from multiple tasks, and the button interrupt
- in this trivial case, for simplicity, the critical section is
omitted. */
STM32vldiscovery_LEDToggle( LED3 );
}
}
}