void HAL_Delay_Microseconds(uint32_t uSec)
{
volatile uint32_t DWT_START = DWT->CYCCNT;
// keep DWT_TOTAL from overflowing (max 59.652323s w/72MHz SystemCoreClock)
if (uSec > (UINT_MAX / SYSTEM_US_TICKS))
{
uSec = (UINT_MAX / SYSTEM_US_TICKS);
}
volatile uint32_t DWT_TOTAL = (SYSTEM_US_TICKS * uSec);
while((DWT->CYCCNT - DWT_START) < DWT_TOTAL)
{
HAL_Notify_WDT();
}
}
/*******************************************************************************
* Function Name : HAL_SysTick_Handler
* Description : Decrements the various Timing variables related to SysTick.
* Input : None
* Output : None.
* Return : None.
************************************************
*******************************/
extern "C" void HAL_SysTick_Handler(void)
{
if (LED_RGB_IsOverRidden())
{
#ifndef SPARK_NO_CLOUD
if (LED_Spark_Signal != 0)
{
LED_Signaling_Override();
}
#endif
}
else if (TimingLED != 0x00)
{
TimingLED--;
}
else if(SPARK_FLASH_UPDATE || Spark_Error_Count || network.listening())
{
//Do nothing
}
else if (SYSTEM_POWEROFF)
{
LED_SetRGBColor(RGB_COLOR_GREY);
LED_On(LED_RGB);
}
else if(SPARK_LED_FADE && (!SPARK_CLOUD_CONNECTED || system_cloud_active()))
{
LED_Fade(LED_RGB);
TimingLED = 20;//Breathing frequency kept constant
}
else if(SPARK_CLOUD_CONNECTED)
{
LED_SetRGBColor(system_mode()==SAFE_MODE ? RGB_COLOR_MAGENTA : RGB_COLOR_CYAN);
LED_On(LED_RGB);
SPARK_LED_FADE = 1;
}
else
{
LED_Toggle(LED_RGB);
if(SPARK_CLOUD_SOCKETED || ( network.connected() && !network.ready()))
TimingLED = 50; //50ms
else
TimingLED = 100; //100ms
}
if(SPARK_FLASH_UPDATE)
{
#ifndef SPARK_NO_CLOUD
if (TimingFlashUpdateTimeout >= TIMING_FLASH_UPDATE_TIMEOUT)
{
//Reset is the only way now to recover from stuck OTA update
HAL_Core_System_Reset();
}
else
{
TimingFlashUpdateTimeout++;
}
#endif
}
else if(network.listening() && HAL_Core_Mode_Button_Pressed(10000))
{
network.listen_command();
}
// determine if the button press needs to change the state (and hasn't done so already))
else if(!network.listening() && HAL_Core_Mode_Button_Pressed(3000) && !wasListeningOnButtonPress)
{
if (network.connecting()) {
network.connect_cancel(true, true);
}
// fire the button event to the user, then enter listening mode (so no more button notifications are sent)
// there's a race condition here - the HAL_notify_button_state function should
// be thread safe, but currently isn't.
HAL_Notify_Button_State(0, false);
network.listen();
HAL_Notify_Button_State(0, true);
}
#ifdef IWDG_RESET_ENABLE
if (TimingIWDGReload >= TIMING_IWDG_RELOAD)
{
TimingIWDGReload = 0;
/* Reload WDG counter */
HAL_Notify_WDT();
DECLARE_SYS_HEALTH(CLEARED_WATCHDOG);
}
else
{
TimingIWDGReload++;
}
#endif
}