mirror of
https://github.com/suchmememanyskill/TegraExplorer.git
synced 2024-12-27 03:46:02 +00:00
149 lines
3 KiB
C
149 lines
3 KiB
C
/**
|
|
* @file lv_task.c
|
|
* An 'lv_task' is a void (*fp) (void* param) type function which will be called periodically.
|
|
* A priority (5 levels + disable) can be assigned to lv_tasks.
|
|
*/
|
|
|
|
#ifndef LV_TASK_H
|
|
#define LV_TASK_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*********************
|
|
* INCLUDES
|
|
*********************/
|
|
#ifdef LV_CONF_INCLUDE_SIMPLE
|
|
#include "lv_conf.h"
|
|
#else
|
|
#include "../../lv_conf.h"
|
|
#endif
|
|
|
|
#include <stdint.h>
|
|
#include "lv_mem.h"
|
|
#include "lv_ll.h"
|
|
|
|
/*********************
|
|
* DEFINES
|
|
*********************/
|
|
#ifndef LV_ATTRIBUTE_TASK_HANDLER
|
|
#define LV_ATTRIBUTE_TASK_HANDLER
|
|
#endif
|
|
/**********************
|
|
* TYPEDEFS
|
|
**********************/
|
|
/**
|
|
* Possible priorities for lv_tasks
|
|
*/
|
|
#define LV_TASK_ONESHOT 0
|
|
enum
|
|
{
|
|
LV_TASK_PRIO_OFF = 0,
|
|
LV_TASK_PRIO_LOWEST,
|
|
LV_TASK_PRIO_LOW,
|
|
LV_TASK_PRIO_MID,
|
|
LV_TASK_PRIO_HIGH,
|
|
LV_TASK_PRIO_HIGHEST,
|
|
LV_TASK_PRIO_NUM,
|
|
};
|
|
typedef uint8_t lv_task_prio_t;
|
|
|
|
/**
|
|
* Descriptor of a lv_task
|
|
*/
|
|
typedef struct
|
|
{
|
|
uint32_t period;
|
|
uint32_t last_run;
|
|
void (*task) (void*);
|
|
void * param;
|
|
uint8_t prio:3;
|
|
uint8_t once:1;
|
|
} lv_task_t;
|
|
|
|
/**********************
|
|
* GLOBAL PROTOTYPES
|
|
**********************/
|
|
|
|
/**
|
|
* Init the lv_task module
|
|
*/
|
|
void lv_task_init(void);
|
|
|
|
/**
|
|
* Call it periodically to handle lv_tasks.
|
|
*/
|
|
LV_ATTRIBUTE_TASK_HANDLER void lv_task_handler(void);
|
|
|
|
/**
|
|
* Create a new lv_task
|
|
* @param task a function which is the task itself
|
|
* @param period call period in ms unit
|
|
* @param prio priority of the task (LV_TASK_PRIO_OFF means the task is stopped)
|
|
* @param param free parameter
|
|
* @return pointer to the new task
|
|
*/
|
|
lv_task_t* lv_task_create(void (*task) (void *), uint32_t period, lv_task_prio_t prio, void * param);
|
|
|
|
/**
|
|
* Delete a lv_task
|
|
* @param lv_task_p pointer to task created by lv_task_p
|
|
*/
|
|
void lv_task_del(lv_task_t* lv_task_p);
|
|
|
|
/**
|
|
* Set new priority for a lv_task
|
|
* @param lv_task_p pointer to a lv_task
|
|
* @param prio the new priority
|
|
*/
|
|
void lv_task_set_prio(lv_task_t* lv_task_p, lv_task_prio_t prio);
|
|
|
|
/**
|
|
* Set new period for a lv_task
|
|
* @param lv_task_p pointer to a lv_task
|
|
* @param period the new period
|
|
*/
|
|
void lv_task_set_period(lv_task_t* lv_task_p, uint32_t period);
|
|
|
|
/**
|
|
* Make a lv_task ready. It will not wait its period.
|
|
* @param lv_task_p pointer to a lv_task.
|
|
*/
|
|
void lv_task_ready(lv_task_t* lv_task_p);
|
|
|
|
|
|
/**
|
|
* Delete the lv_task after one call
|
|
* @param lv_task_p pointer to a lv_task.
|
|
*/
|
|
void lv_task_once(lv_task_t * lv_task_p);
|
|
|
|
/**
|
|
* Reset a lv_task.
|
|
* It will be called the previously set period milliseconds later.
|
|
* @param lv_task_p pointer to a lv_task.
|
|
*/
|
|
void lv_task_reset(lv_task_t* lv_task_p);
|
|
|
|
/**
|
|
* Enable or disable the whole lv_task handling
|
|
* @param en: true: lv_task handling is running, false: lv_task handling is suspended
|
|
*/
|
|
void lv_task_enable(bool en);
|
|
|
|
/**
|
|
* Get idle percentage
|
|
* @return the lv_task idle in percentage
|
|
*/
|
|
uint8_t lv_task_get_idle(void);
|
|
|
|
/**********************
|
|
* MACROS
|
|
**********************/
|
|
|
|
#ifdef __cplusplus
|
|
} /* extern "C" */
|
|
#endif
|
|
|
|
#endif
|