#ifndef __HARDWARE_IRQ_H__
#define __HARDWARE_IRQ_H__

#include "m0plus_reg.h"

#define IRQ_PERI_BASE (16)
#define IRQ_NUM_BASE  (0 - IRQ_PERI_BASE)

#define RESET_IRQ     (1 + IRQ_NUM_BASE)
#define NMI_IRQ       (2 + IRQ_NUM_BASE)
#define HARDFAULT_IRQ (3 + IRQ_NUM_BASE)
#define SVCALL_IRQ    (11 + IRQ_NUM_BASE)
#define PENDSV_IRQ    (14 + IRQ_NUM_BASE)
#define SYSTICK_IRQ   (15 + IRQ_NUM_BASE)

#define TIMER_IRQ_0   (0)
#define TIMER_IRQ_1   (1)
#define TIMER_IRQ_2   (2)
#define TIMER_IRQ_3   (3)
#define PWM_IRQ_WRAP  (4)
#define USBCTRL_IRQ   (5)
#define XIP_IRQ       (6)
#define PIO0_IRQ_0    (7)
#define PIO0_IRQ_1    (8)
#define PIO1_IRQ_0    (9)
#define PIO1_IRQ_1    (10)
#define DMA_IRQ_0     (11)
#define DMA_IRQ_1     (12)
#define IO_IRQ_BANK0  (13)
#define IO_IRQ_QSPI   (14)
#define SIO_IRQ_PROC0 (15)
#define SIO_IRQ_PROC1 (16)
#define CLOCKS_IRQ    (17)
#define SPI0_IRQ      (18)
#define SPI1_IRQ      (19)
#define UART0_IRQ     (20)
#define UART1_IRQ     (21)
#define ADC_IRQ_FIFO  (22)
#define I2C0_IRQ      (23)
#define I2C1_IRQ      (24)
#define RTC_IRQ       (25)
#define MAX_IRQ       (26)

#define IRQ_NUM_MAX   (IRQ_PERI_BASE + MAX_IRQ)

#ifdef __cplusplus
extern "C" {
#endif

typedef void (*irq_handler_t)(void);

static inline void irq_enable_global(void)
{
    __asm volatile ("cpsie i" : : : "memory");
}

static inline void irq_disable_global(void)
{
    __asm volatile ("cpsid i" : : : "memory");
}

void irq_init(void);
void irq_attach(int irq, irq_handler_t isr);
void irq_detach(int irq);
void irq_set_priority(int irq, uint8_t priority);
void irq_enable(int irq);
void irq_disable(int irq);
int irq_is_enabled(int irq);

#ifdef __cplusplus
}
#endif

#endif /* __HARDWARE_IRQ_H__ */