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- /**
- * Copyright (c) 2016 - 2020 Nordic Semiconductor ASA and Luxoft Global Operations Gmbh.
- *
- * All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form, except as embedded into a Nordic
- * Semiconductor ASA integrated circuit in a product or a software update for
- * such product, must reproduce the above copyright notice, this list of
- * conditions and the following disclaimer in the documentation and/or other
- * materials provided with the distribution.
- *
- * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * 4. This software, with or without modification, must only be used with a
- * Nordic Semiconductor ASA integrated circuit.
- *
- * 5. Any software provided in binary form under this license must not be reverse
- * engineered, decompiled, modified and/or disassembled.
- *
- *
- * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
- #ifndef HAL_TASK_H_INCLUDED
- #define HAL_TASK_H_INCLUDED
- #include <stdint.h>
- #include "hal_atomic.h"
- #include "sys_utils.h"
- #include "sys_task_scheduler.h"
- /**
- * @defgroup hal_task HAL Tasks
- * @ingroup hal_15_4
- * @{
- * @brief Module to declare HAL tasks library
- */
- /**@brief Identifiers for registered HAL handlers.
- *
- * @details enumeration with identifiers of registered HAL handlers.
- * HAL handlers will be called from the HAL task.
- */
- typedef enum
- {
- HAL_TIMER_TASK_ID,
- HAL_UART_TASK_ID,
- HAL_TIMER_CRITICAL_MANUAL_TASK,
- HAL_TASKS_AMOUNT,
- } hal_task_id_t;
- /**@brief Prototype of a HAL task handler.
- *
- * @details Handler which will be called from HAL task.
- */
- typedef void (* hal_task_handler_t)(void);
- void hal_task_handler(void);
- void hal_timer_task_handler(void);
- void hal_uart_task_handler(void);
- void hal_timer_critical_manual_handler(void);
- /**@brief Pending HAL tasks.
- *
- * @details Variable which includes markers of pending HAL tasks.
- */
- extern volatile uint_fast16_t g_hal_tasks;
- /**@brief Notify task scheduler to add a HAL task for execution.
- *
- * @details The function sets a marker for the HAL task for execution.
- *
- * @param[in] hal_task_id HAL task identifier (see \ref hal_task_id_t enumeration).
- */
- static inline void hal_task_post(hal_task_id_t hal_task_id)
- {
- atomic_t atomic = 0;
- hal_atomic_start(&atomic);
- g_hal_tasks |= BIT(hal_task_id);
- hal_atomic_end(&atomic);
-
- sys_task_post(HAL_TASK_ID);
- }
- /**@brief Removes a task from pending list in HAL task scheduler.
- *
- * @details The function removes a marker from the HAL execution list.
- *
- * @param[in] hal_task_id HAL task identifier (see \ref hal_task_id_t enumeration).
- */
- static inline void hal_task_unpost(hal_task_id_t hal_task_id)
- {
- atomic_t atomic = 0;
- hal_atomic_start(&atomic);
- g_hal_tasks &= ~BIT(hal_task_id);
- hal_atomic_end(&atomic);
- }
- /** @} */
- #endif // HAL_TASK_H_INCLUDED
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