clic.h

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/*
 * Copyright (C) 2020 Koen Zandberg <koen@bergzand.net>
 *
 * This file is subject to the terms and conditions of the GNU Lesser General
 * Public License v2.1. See the file LICENSE in the top level directory for more
 * details.
 */
 
#pragma once

 
#include "cpu_conf.h"
 
#ifdef __cplusplus
extern "C" {
#endif

typedef void (*clic_isr_cb_t)(unsigned irq);

typedef struct __attribute((packed)) {
    volatile uint8_t ip;        
    volatile uint8_t ie;        
    volatile uint8_t attr;      
    volatile uint8_t ctl;       
} clic_clicint_t;

void clic_init(void);

void clic_enable_interrupt(unsigned irq, unsigned priority);

void clic_disable_interrupt(unsigned irq);

void clic_set_priority(unsigned irq, unsigned priority);

void clic_set_handler(unsigned irq, clic_isr_cb_t cb);

void clic_isr_handler(uint32_t irq);
 
#ifdef __cplusplus
}
#endif