cb_mux.h

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/*
 * Copyright (C) 2018 Acutam Automation, LLC
 *
 * 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 <stdint.h>
 
/* For alternate cb_mux_cbid_t */
#include "periph_cpu.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifndef HAVE_CB_MUX_CBID_T
typedef unsigned int cb_mux_cbid_t;
#endif

typedef void (*cb_mux_cb_t)(void *);

typedef struct cb_mux {
    struct cb_mux *next;  
    cb_mux_cbid_t cbid;   
    void *info;           
    cb_mux_cb_t cb;       
    void *arg;            
} cb_mux_t;

typedef void (*cb_mux_iter_t)(cb_mux_t *, void *);

void cb_mux_add(cb_mux_t **head, cb_mux_t *entry);

void cb_mux_del(cb_mux_t **head, cb_mux_t *entry);

cb_mux_t *cb_mux_find_cbid(cb_mux_t *head, cb_mux_cbid_t cbid_val);

cb_mux_t *cb_mux_find_low(cb_mux_t *head);

cb_mux_t *cb_mux_find_high(cb_mux_t *head);

cb_mux_cbid_t cb_mux_find_free_id(cb_mux_t *head);

void cb_mux_iter(cb_mux_t *head, cb_mux_iter_t func, void *arg);
 
#ifdef __cplusplus
}
#endif