nodemcu-firmware/app/include/task/task.h

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#ifndef _TASK_H_
#define _TASK_H_
#include "ets_sys.h"
#include "osapi.h"
#include "os_type.h"
#include "user_interface.h"
/* use LOW / MEDIUM / HIGH since it isn't clear from the docs which is higher */
#define TASK_PRIORITY_LOW 0
#define TASK_PRIORITY_MEDIUM 1
#define TASK_PRIORITY_HIGH 2
#define TASK_PRIORITY_COUNT 3
/*
* Signals are a 32-bit number of the form header:14; count:16, priority:2. The header
* is just a fixed fingerprint and the count is allocated serially by the task get_id()
* function.
*/
#define task_post(priority,handle,param) system_os_post(priority, ((handle) | priority), param)
#define task_post_low(handle,param) task_post(TASK_PRIORITY_LOW, handle, param)
#define task_post_medium(handle,param) task_post(TASK_PRIORITY_MEDIUM, handle, param)
#define task_post_high(handle,param) task_post(TASK_PRIORITY_HIGH, handle, param)
#define task_handle_t os_signal_t
#define task_param_t os_param_t
typedef void (*task_callback_t)(task_param_t param, uint8 prio);
bool task_init_handler(uint8 priority, uint8 qlen);
task_handle_t task_get_id(task_callback_t t);
#endif