/***************************************************************************//**
* @brief
* GPIO even interrupt handler
*
* @details
* This function is automatically called by the hardware upon incoming
* interrupt generated by an even-numbered GPIO pin.
******************************************************************************/
void GPIO_EVEN_IRQHandler(void)
{
uint32_t flag;
uint32_t system_mask = TD_GPIO_Hooks[TD_GPIO_SYSTEM_EVEN].mask;
uint32_t user_mask = TD_GPIO_Hooks[TD_GPIO_USER_EVEN].mask;
// Get interrupt bits
flag = GPIO_IntGet() & TD_GPIO_EVEN_MASK & GPIO_IntGetEnabled();
// Acknowledge IRQ.
// We acknowledge all IRQ read, for this IRQ (EVEN) and enabled
// even if theses IRQ are not used (otherwise, it will infinitely reenter in this IRQ)
GPIO_IntClear(flag);
#ifdef WAKE_MAIN_LOOP_DEBUG
tfp_printf("IO:0x%08X\r\n");
#endif
// System hook set on odd IRQ
if (TD_GPIO_Hooks[TD_GPIO_SYSTEM_EVEN].callback && (flag & system_mask)) {
// Call the IRQ hook
TD_GPIO_Hooks[TD_GPIO_SYSTEM_EVEN].callback(flag & system_mask);
// Remember that this interrupt source has been processed
flag &= ~system_mask;
TD_WakeMainLoop();
}
// User hook on even IRQ
if (TD_GPIO_Hooks[TD_GPIO_USER_EVEN].callback && (flag & user_mask)) {
// Call the IRQ hook
TD_GPIO_Hooks[TD_GPIO_USER_EVEN].callback(flag & user_mask);
TD_WakeMainLoop();
}
}
/***************************************************************************//**
* @brief
* GPIO ODD interrupt handler. Interrupt handler clears all IF odd flags and
* call the dispatcher passing the flags which triggered the interrupt.
*
******************************************************************************/
void GPIO_ODD_IRQHandler(void)
{
uint32_t iflags;
/* Get all odd interrupts. */
iflags = GPIO_IntGetEnabled() & 0x0000AAAA;
/* Clean only even interrupts. */
GPIO_IntClear(iflags);
GPIOINT_IRQDispatcher(iflags);
}
