79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
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#ifndef _INCLUDE_EXTERNAL_INTERFACE_EVENT_
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#define _INCLUDE_EXTERNAL_INTERFACE_EVENT_
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include "external_interface.h"
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#define ET_TYPE_EVENT 32
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#define ET_EVENT_TRIGGER_BUFFER_SIZE 32
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef void (*event_callback)(const char*, size_t, void*, void*);
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typedef struct _EventRegister {
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const char* name;
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event_callback callback;
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void* user_data;
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} EventRegister, EventUnregister;
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typedef struct _EventTrigger {
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const char* name;
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size_t args_size;
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uint8_t args[ET_EVENT_TRIGGER_BUFFER_SIZE];
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} EventTrigger;
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#define EXINT_EVENT_PUBLIC static __inline
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#ifndef EXINT_EVENT
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#define EXINT_EVENT_PUBLIC_FUNC_NAME(name) exint_ ## name
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#else
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#define EXINT_EVENT_PUBLIC_FUNC_NAME(name) exint_public_ ## name
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#endif
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#define EXINT_EVENT_PUBLIC_FUNC(name) EXINT_EVENT_PUBLIC void EXINT_EVENT_PUBLIC_FUNC_NAME(name)
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EXINT_EVENT_PUBLIC_FUNC(event)
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(const char* name, const size_t args_size, void* args) {
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if (args_size <= ET_EVENT_TRIGGER_BUFFER_SIZE) {
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EventTrigger trigger = {name, args_size, {0}};
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memcpy(trigger.args, args, args_size);
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exint_send(
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ET_TYPE_EVENT,
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sizeof(EventTrigger) + args_size - ET_EVENT_TRIGGER_BUFFER_SIZE,
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&trigger
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);
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} else {
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EventTrigger* trigger = (EventTrigger*)malloc(sizeof(EventTrigger) + args_size - ET_EVENT_TRIGGER_BUFFER_SIZE);
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if (trigger == NULL) return;
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trigger->name = name;
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trigger->args_size = args_size;
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memcpy(trigger->args, args, args_size);
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exint_send(
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ET_TYPE_EVENT,
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sizeof(EventTrigger) + args_size - ET_EVENT_TRIGGER_BUFFER_SIZE,
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trigger
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);
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free(trigger);
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}
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}
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EXINT_EVENT_PUBLIC_FUNC(event_register)
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(const char *event_name, event_callback callback, void* user_data) {
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EventRegister register_ = {event_name, callback, user_data};
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EXINT_EVENT_PUBLIC_FUNC_NAME(event)("event_register", sizeof(EventRegister), ®ister_);
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}
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EXINT_EVENT_PUBLIC_FUNC(event_unregister)
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(const char *event_name, event_callback callback, void* user_data) {
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EventUnregister unregister = {event_name, callback, user_data};
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EXINT_EVENT_PUBLIC_FUNC_NAME(event)("event_unregister", sizeof(EventUnregister), &unregister);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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