238 lines
8.3 KiB
C
238 lines
8.3 KiB
C
/**************************************************************************/
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/*!
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@file osal.h
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@author hathach (tinyusb.org)
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@section LICENSE
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Software License Agreement (BSD License)
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Copyright (c) 2013, hathach (tinyusb.org)
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the copyright holders nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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This file is part of the tinyusb stack.
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*/
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/**************************************************************************/
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#ifndef _TUSB_OSAL_H_
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#define _TUSB_OSAL_H_
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/** \ingroup group_configuration
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* \defgroup TUSB_OS RTOS Integration Selection
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* \brief TUSB_CFG_OS must be defined to one of these
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* @{ */
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#define TUSB_OS_NONE 1 ///< No RTOS is used
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#define TUSB_OS_FREERTOS 2 ///< FreeRTOS is used
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#define TUSB_OS_CMSIS_RTX 3 ///< CMSIS RTX is used
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#define TUSB_OS_UCOS2 4 ///< MicroC OS II is used (not supported yet)
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#define TUSB_OS_UCOS3 5 ///< MicroC OS III is used (not supported yet)
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/** @} */
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/** \addtogroup Port Port
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* @{
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* \defgroup Port_OSAL OS Abstraction Layer (OSAL)
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* @{
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "tusb_option.h"
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#ifndef _TEST_
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#if TUSB_CFG_OS == TUSB_OS_NONE
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#include "osal_none.h"
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#else
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#define OSAL_VAR
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#define OSAL_TASK_FUNCTION(task_func) void task_func
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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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//------------- Sub Task -------------//
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#define OSAL_SUBTASK_BEGIN // TODO refractor move
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#define OSAL_SUBTASK_END \
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return TUSB_ERROR_NONE;
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#define SUBTASK_EXIT(error) return error;
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#define OSAL_SUBTASK_INVOKED_AND_WAIT(subtask, status) \
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status = subtask
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//------------- Sub Task Assert -------------//
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#define SUBTASK_ASSERT_STATUS(sts) ASSERT_STATUS(sts)
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#define SUBTASK_ASSERT(condition) ASSERT(condition, TUSB_ERROR_OSAL_TASK_FAILED)
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#define _SUBTASK_ASSERT_ERROR_HANDLER(error, func_call)\
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func_call; return error
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#define SUBTASK_ASSERT_STATUS_WITH_HANDLER(sts, func_call) \
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ASSERT_DEFINE_WITH_HANDLER(_SUBTASK_ASSERT_ERROR_HANDLER, func_call, tusb_error_t status = (tusb_error_t)(sts),\
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TUSB_ERROR_NONE == status, status, "%s", TUSB_ErrorStr[status])
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#define SUBTASK_ASSERT_WITH_HANDLER(condition, func_call) \
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ASSERT_DEFINE_WITH_HANDLER(_SUBTASK_ASSERT_ERROR_HANDLER, func_call, ,\
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condition, TUSB_ERROR_OSAL_TASK_FAILED, "%s", "evaluated to false")
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#if TUSB_CFG_OS == TUSB_OS_FREERTOS
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#include "osal_freeRTOS.h"
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#elif TUSB_CFG_OS == TUSB_OS_CMSIS_RTX
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#include "osal_cmsis_rtx.h"
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#else
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#error TUSB_CFG_OS is not defined or OS is not supported yet
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#endif
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#endif
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#else // OSAL API for cmock
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#define OSAL_VAR
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#include "osal_common.h"
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//------------- Tick -------------//
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uint32_t osal_tick_get(void);
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//--------------------------------------------------------------------+
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// TASK API
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//--------------------------------------------------------------------+
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typedef uint32_t osal_task_t;
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tusb_error_t osal_task_create(osal_task_t *task);
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#define OSAL_TASK_DEF(code, stack_depth, prio) \
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osal_task_t variable
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#define OSAL_TASK_REF(name) (&name)
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#define OSAL_TASK_FUNCTION(task_name) \
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void task_name
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void osal_task_delay(uint32_t msec);
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#define OSAL_TASK_LOOP_BEGIN
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#define OSAL_TASK_LOOP_END
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#define SUBTASK_EXIT(error) return error;
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//------------- Sub Task -------------//
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#define OSAL_SUBTASK_INVOKED_AND_WAIT(subtask, status) \
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status = subtask
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#define OSAL_SUBTASK_BEGIN
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#define OSAL_SUBTASK_END \
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return TUSB_ERROR_NONE;
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//------------- Sub Task Assert -------------//
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#define _SUBTASK_ASSERT_ERROR_HANDLER(error, func_call)\
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func_call; return error
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#define SUBTASK_ASSERT_STATUS(sts) ASSERT_STATUS(sts)
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#define SUBTASK_ASSERT_STATUS_WITH_HANDLER(sts, func_call) \
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ASSERT_DEFINE_WITH_HANDLER(_SUBTASK_ASSERT_ERROR_HANDLER, func_call, tusb_error_t status = (tusb_error_t)(sts),\
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TUSB_ERROR_NONE == status, status, "%s", TUSB_ErrorStr[status])
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#define SUBTASK_ASSERT(condition) ASSERT(condition, TUSB_ERROR_OSAL_TASK_FAILED)
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#define SUBTASK_ASSERT_WITH_HANDLER(condition, func_call) \
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ASSERT_DEFINE_WITH_HANDLER(_SUBTASK_ASSERT_ERROR_HANDLER, func_call, ,\
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condition, TUSB_ERROR_OSAL_TASK_FAILED, "%s", "evaluated to false")
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//--------------------------------------------------------------------+
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// Semaphore API
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//--------------------------------------------------------------------+
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typedef volatile uint8_t osal_semaphore_t;
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typedef osal_semaphore_t * osal_semaphore_handle_t;
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#define OSAL_SEM_DEF(name)\
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osal_semaphore_t name
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#define OSAL_SEM_REF(name)\
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&name
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osal_semaphore_handle_t osal_semaphore_create(osal_semaphore_t * p_sem);
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void osal_semaphore_wait(osal_semaphore_handle_t sem_hdl, uint32_t msec, tusb_error_t *p_error);
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tusb_error_t osal_semaphore_post(osal_semaphore_handle_t sem_hdl);
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void osal_semaphore_reset(osal_semaphore_handle_t sem_hdl);
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//--------------------------------------------------------------------+
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// MUTEX API (priority inheritance)
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//--------------------------------------------------------------------+
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#define OSAL_MUTEX_DEF(name)\
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osal_mutex_t name
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#define OSAL_MUTEX_REF(name)\
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&name
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typedef osal_semaphore_t osal_mutex_t;
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typedef osal_semaphore_handle_t osal_mutex_handle_t;
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osal_mutex_handle_t osal_mutex_create(osal_mutex_t * p_mutex);
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void osal_mutex_wait(osal_mutex_handle_t mutex_hdl, uint32_t msec, tusb_error_t *p_error);
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tusb_error_t osal_mutex_release(osal_mutex_handle_t mutex_hdl);
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void osal_mutex_reset(osal_mutex_handle_t mutex_hdl);
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//--------------------------------------------------------------------+
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// QUEUE API
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//--------------------------------------------------------------------+
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typedef struct{
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uint32_t * const buffer ; ///< buffer pointer
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uint8_t const depth ; ///< buffer size
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volatile uint8_t count ; ///< bytes in fifo
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volatile uint8_t wr_idx ; ///< write pointer
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volatile uint8_t rd_idx ; ///< read pointer
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} osal_queue_t;
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typedef osal_queue_t * 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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#define OSAL_QUEUE_REF(name) (&name)
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osal_queue_handle_t osal_queue_create (osal_queue_t *p_queue);
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void osal_queue_receive (osal_queue_handle_t const queue_hdl, void *p_data, uint32_t msec, tusb_error_t *p_error);
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tusb_error_t osal_queue_send (osal_queue_handle_t const queue_hdl, const void * data);
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void osal_queue_flush(osal_queue_handle_t const queue_hdl);
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//--------------------------------------------------------------------+
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// TICK API
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//--------------------------------------------------------------------+
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uint32_t osal_tick_get(void);
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#endif
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#ifdef __cplusplus
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}
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#endif
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/** @} */
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/** @} */
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#endif /* _TUSB_OSAL_H_ */
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