elbear_arduino_bsp/cores/arduino/trap_handler.c

47 lines
1.2 KiB
C

#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();
}