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91 lines
2.1 KiB
C
91 lines
2.1 KiB
C
/*
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* Copyright (C) 2020 Inria
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup pkg_uwb_core
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* @{
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*
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* @file
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* @brief uwb-core DPL (Decawave Porting Layer) thread/task wrappers
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*
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* @author Francisco Molina <francois-xavier.molina@inria.fr>
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* @}
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*/
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#ifndef DPL_DPL_TASKS_H
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#define DPL_DPL_TASKS_H
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#include "dpl_types.h"
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#include "sched.h"
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#include "thread.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief dpl task wrapper
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*/
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struct dpl_task {
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kernel_pid_t pid; /**< the process id */
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};
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/**
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* @brief dpl task function
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*/
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typedef thread_task_func_t dpl_task_func_t;
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/**
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* @brief Initialize a task.
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*
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* This function initializes the task structure pointed to by t,
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* clearing and setting it's stack pointer, provides sane defaults
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* and sets the task as ready to run, and inserts it into the operating
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* system scheduler.
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*
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* @param[in] t the task to initialize
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* @param[in] name task name
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* @param[in] func task function to call
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* @param[in] arg argument to pass in task init function
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* @param[in] prio task priority
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* @param[in] sanity_itvl UNUSED
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* @param[in] stack_bottom pointer to bottom of the stack
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* @param[in] stack_size task stack size
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*
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* @return 0 on success, non-zero on failure.
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*/
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int dpl_task_init(struct dpl_task *t, const char *name, dpl_task_func_t func,
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void *arg, uint8_t prio, dpl_time_t sanity_itvl,
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dpl_stack_t *stack_bottom, uint16_t stack_size);
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/**
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* @brief removes specified task
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*
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* NOTE: This interface is currently experimental and not ready for common use
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*/
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int dpl_task_remove(struct dpl_task *t);
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/**
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* @brief Return the number of tasks initialized.
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*
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* @return number of tasks initialized
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*/
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uint8_t dpl_task_count(void);
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/**
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* @brief Lets current thread yield.
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*/
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void dpl_task_yield(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* DPL_DPL_TASKS_H */
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