#include "mik32_hal_irq.h" 
#include "wiring_LL.h" 

// isr functions
extern void serial_interrupt_handler(uint8_t uartNumInt);
extern void gpio_interrupt_handler(void);
extern void tone_interrupt_handler(void);
void __attribute__((weak)) wire_interrupt_handler(void)
{
    // dummy function for case when wire library is not in use
}
void __attribute__((weak)) servo_interrupt_handler(void)
{
    // dummy function for case when wire library is not in use
}

// ---------------------------------------------- //
void __attribute__((noinline, section(".ram_text"), optimize("O3"))) trap_handler (void)  
{
    // gpio interrupt
    if (EPIC_CHECK_GPIO_IRQ())
        gpio_interrupt_handler();

    // tone timer interrupt
    if (EPIC_CHECK_TIMER16_1())
        tone_interrupt_handler();

    // servo timer interrupt
    if (EPIC_CHECK_TIMER16_2())
        servo_interrupt_handler();

    // uart0 interrupt
    if (EPIC_CHECK_UART_0())
        serial_interrupt_handler(0);

    // uart1 interrupt
    if (EPIC_CHECK_UART_1())
        serial_interrupt_handler(1);
        
    // i2c interrupt
    if (EPIC_CHECK_I2C_1())
        wire_interrupt_handler();

    // reset all interrupts
    EPIC_CLEAR_ALL();
}