/space/home/slher/rel/Beken/v6_4_5/macsw/modules/ke/src/ke_msg.h

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#ifndef _KE_MSG_H_
#define _KE_MSG_H_

/*
 * INCLUDE FILES
 ****************************************************************************************
 */
#include <stddef.h>
#include "co_int.h"
#include "co_bool.h"
#include "dbg_assert.h"
#include "compiler.h"

#include "ke_config.h"
#include "co_list.h"



typedef uint16_t ke_task_id_t;

#define KE_BUILD_ID(type, index) ( (ke_task_id_t)(((index) << 8)|(type)) )

#define KE_TYPE_GET(ke_task_id) ((ke_task_id) & 0xFF)

#define KE_IDX_GET(ke_task_id) (((ke_task_id) >> 8) & 0xFF)

typedef uint16_t ke_state_t;

typedef uint16_t ke_msg_id_t;

struct ke_msg
{
    struct co_list_hdr hdr;     
    ke_msg_id_t     id;         
    ke_task_id_t    dest_id;    
    ke_task_id_t    src_id;     
    uint16_t        param_len;  
    uint32_t        param[1];   
};


enum ke_msg_status_tag
{
    KE_MSG_CONSUMED = 0, 
    KE_MSG_NO_FREE,      
    KE_MSG_SAVED,        
};

__INLINE struct ke_msg * ke_param2msg(void const *param_ptr)
{
    return (struct ke_msg*) (((uint8_t*)param_ptr) - offsetof(struct ke_msg, param));
}

__INLINE void * ke_msg2param(struct ke_msg const *msg)
{
    return (void*) (((uint8_t*) msg) + offsetof(struct ke_msg, param));
}

#define KE_MSG_ALLOC(id, dest, src, param_str) \
    (struct param_str*) ke_msg_alloc(id, dest, src, sizeof(struct param_str))

#define KE_MSG_ALLOC_VAR(id, dest, src, param_str, var_len) \
    (struct param_str*) ke_msg_alloc(id, dest, src, sizeof(struct param_str) + var_len)

#define KE_MSG_FREE(param_ptr) ke_msg_free(ke_param2msg((param_ptr)))

void *ke_msg_alloc(ke_msg_id_t const id,
                   ke_task_id_t const dest_id,
                   ke_task_id_t const src_id,
                   uint16_t const param_len);

void ke_msg_send(void const *param_ptr);

void ke_msg_send_basic(ke_msg_id_t const id,
                       ke_task_id_t const dest_id,
                       ke_task_id_t const src_id);

void ke_msg_forward(void const *param_ptr,
                    ke_task_id_t const dest_id,
                    ke_task_id_t const src_id);

void ke_msg_forward_and_change_id(void const *param_ptr,
                                  ke_msg_id_t const msg_id,
                                  ke_task_id_t const dest_id,
                                  ke_task_id_t const src_id);

void ke_msg_free(struct ke_msg const *param);


#endif // _KE_MSG_H_

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