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76 lines
1.3 KiB
76 lines
1.3 KiB
9 years ago
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#pragma once
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#include "main.h"
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#include "utils/circbuf.h"
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#define TASK_QUEUE_SIZE 64
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#define EVENT_QUEUE_SIZE 64
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/** Application events */
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typedef enum {
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EVENT_ONE // placeholder
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} EventType;
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/** Event Queue entry */
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typedef struct {
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EventType type;
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void *data;
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} Event;
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typedef struct {
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void (*handler)(void*);
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void* arg;
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} QueuedTask;
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/**
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* @brief Set up the task and event queues
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* @param tq_size : number of slots in the task queue
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* @param eq_size : number of slots in the event queue
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*/
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void queues_init(size_t tq_size, size_t eq_size);
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/**
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* @brief Post a task on the task queue, with arg.
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*
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* @see tq_post()
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*
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* @param handler : task function
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* @param arg : argument for the handler
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* @return success
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*/
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bool tq_post(void (*handler)(void *), void *arg);
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/**
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* @brief Post an event on the event queue
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* @param event : pointer to an event to post; will be copied.
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* @return success
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*/
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bool eq_post(const Event *event);
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/**
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* @brief Run all pending tasks on the task queue
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*/
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void tq_poll(void);
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/**
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* @brief Run one pending task on the task queue
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* @return true if a task was run.
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*/
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bool tq_poll_one(void);
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/**
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* @brief Take one event off the event queue.
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* @param dest : pointer to a destination event variable.
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* @return success
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*/
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bool eq_take(Event *dest);
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