143 lines
5.1 KiB
C
143 lines
5.1 KiB
C
/*
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* osal_freeRTOS.h
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*
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* Created on: Feb 2, 2013
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* Author: hathach
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*/
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/*
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* Software License Agreement (BSD License)
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* Copyright (c) 2012, hathach (tinyusb.net)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the tiny usb stack.
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*/
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/** \file
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* \brief TBD
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*
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* \note TBD
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*/
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/** \ingroup TBD
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* \defgroup TBD
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* \brief TBD
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*
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* @{
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*/
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#ifndef _TUSB_OSAL_FREERTOS_H_
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#define _TUSB_OSAL_FREERTOS_H_
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#include "osal_common.h"
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//------------- FreeRTOS Headers -------------//
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#include "FreeRTOS.h"
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#include "semphr.h"
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#include "queue.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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// TICK API
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//--------------------------------------------------------------------+
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#define osal_tick_get xTaskGetTickCount
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//--------------------------------------------------------------------+
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// TASK API
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//--------------------------------------------------------------------+
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#define OSAL_TASK_LOOP_BEGIN \
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while(1) {
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#define OSAL_TASK_LOOP_END \
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}
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// TODO FreeRTOS TASK_ASSERT need to omit do while to get continue statement works.
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#define TASK_ASSERT(condition)
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#define TASK_ASSERT_STATUS(sts)
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//--------------------------------------------------------------------+
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// Semaphore API
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//--------------------------------------------------------------------+
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#define OSAL_SEM_DEF(name)
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typedef xSemaphoreHandle osal_semaphore_handle_t;
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// create FreeRTOS binary semaphore with zero as init value TODO: omit semaphore take from vSemaphoreCreateBinary API, should double checks this
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#define osal_semaphore_create(x) \
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xQueueGenericCreate( ( unsigned portBASE_TYPE ) 1, semSEMAPHORE_QUEUE_ITEM_LENGTH, queueQUEUE_TYPE_BINARY_SEMAPHORE )
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static inline tusb_error_t osal_semaphore_post(osal_semaphore_handle_t const sem_hdl) ATTR_ALWAYS_INLINE;
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static inline tusb_error_t osal_semaphore_post(osal_semaphore_handle_t const sem_hdl)
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{
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portBASE_TYPE taskWaken;
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return (xSemaphoreGiveFromISR(sem_hdl, &taskWaken) == pdTRUE) ? TUSB_ERROR_NONE : TUSB_ERROR_OSAL_SEMAPHORE_FAILED;
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}
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static inline void osal_semaphore_wait(osal_semaphore_handle_t const sem_hdl, uint32_t msec, tusb_error_t *p_error) ATTR_ALWAYS_INLINE;
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static inline void osal_semaphore_wait(osal_semaphore_handle_t const sem_hdl, uint32_t msec, tusb_error_t *p_error)
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{
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(*p_error) = ( xSemaphoreTake(sem_hdl, osal_tick_from_msec(msec)) == pdPASS ) ? TUSB_ERROR_NONE : TUSB_ERROR_OSAL_TIMEOUT;
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}
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//--------------------------------------------------------------------+
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// QUEUE API
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//--------------------------------------------------------------------+
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typedef struct{
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uint8_t const depth ; ///< buffer size
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} osal_queue_t;
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typedef xQueueHandle osal_queue_handle_t;
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#define OSAL_QUEUE_DEF(name, queue_depth, type)\
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osal_queue_t name = {\
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.depth = queue_depth\
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}
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#define osal_queue_create(p_queue) \
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xQueueCreate((p_queue)->depth, sizeof(uint32_t))
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static inline void osal_queue_receive (osal_queue_handle_t const queue_hdl, uint32_t *p_data, uint32_t msec, tusb_error_t *p_error) ATTR_ALWAYS_INLINE;
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static inline void osal_queue_receive (osal_queue_handle_t const queue_hdl, uint32_t *p_data, uint32_t msec, tusb_error_t *p_error)
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{
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(*p_error) = ( xQueueReceive(queue_hdl, p_data, osal_tick_from_msec(msec)) == pdPASS ) ? TUSB_ERROR_NONE : TUSB_ERROR_OSAL_TIMEOUT;
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}
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static inline tusb_error_t osal_queue_send(osal_queue_handle_t const queue_hdl, uint32_t data) ATTR_ALWAYS_INLINE;
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static inline tusb_error_t osal_queue_send(osal_queue_handle_t const queue_hdl, uint32_t data)
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{
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portBASE_TYPE taskWaken;
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return ( xQueueSendFromISR(queue_hdl, &data, &taskWaken) == pdTRUE ) ? TUSB_ERROR_NONE : TUSB_ERROR_OSAL_QUEUE_FAILED;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TUSB_OSAL_FREERTOS_H_ */
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/** @} */
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