216 lines
6.5 KiB
C
216 lines
6.5 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Ha Thach (tinyusb.org)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* This file is part of the TinyUSB stack.
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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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// FreeRTOS Headers
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#include TU_INCLUDE_PATH(CFG_TUSB_OS_INC_PATH,FreeRTOS.h)
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#include TU_INCLUDE_PATH(CFG_TUSB_OS_INC_PATH,semphr.h)
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#include TU_INCLUDE_PATH(CFG_TUSB_OS_INC_PATH,queue.h)
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#include TU_INCLUDE_PATH(CFG_TUSB_OS_INC_PATH,task.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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// MACRO CONSTANT TYPEDEF PROTYPES
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//--------------------------------------------------------------------+
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#if configSUPPORT_STATIC_ALLOCATION
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typedef StaticSemaphore_t osal_semaphore_def_t;
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typedef StaticSemaphore_t osal_mutex_def_t;
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#else
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// not used therefore defined to smallest possible type to save space
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typedef uint8_t osal_semaphore_def_t;
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typedef uint8_t osal_mutex_def_t;
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#endif
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typedef SemaphoreHandle_t osal_semaphore_t;
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typedef SemaphoreHandle_t osal_mutex_t;
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// _int_set is not used with an RTOS
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#define OSAL_QUEUE_DEF(_int_set, _name, _depth, _type) \
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static _type _name##_##buf[_depth];\
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osal_queue_def_t _name = { .depth = _depth, .item_sz = sizeof(_type), .buf = _name##_##buf };
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typedef struct
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{
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uint16_t depth;
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uint16_t item_sz;
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void* buf;
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#if configSUPPORT_STATIC_ALLOCATION
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StaticQueue_t sq;
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#endif
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}osal_queue_def_t;
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typedef QueueHandle_t osal_queue_t;
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//--------------------------------------------------------------------+
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// TASK API
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//--------------------------------------------------------------------+
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TU_ATTR_ALWAYS_INLINE static inline uint32_t _osal_ms2tick(uint32_t msec)
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{
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if (msec == OSAL_TIMEOUT_WAIT_FOREVER) return portMAX_DELAY;
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if (msec == 0) return 0;
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uint32_t ticks = pdMS_TO_TICKS(msec);
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// configTICK_RATE_HZ is less than 1000 and 1 tick > 1 ms
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// we still need to delay at least 1 tick
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if (ticks == 0) ticks =1 ;
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return ticks;
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}
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TU_ATTR_ALWAYS_INLINE static inline void osal_task_delay(uint32_t msec)
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{
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vTaskDelay( pdMS_TO_TICKS(msec) );
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}
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//--------------------------------------------------------------------+
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// Semaphore API
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//--------------------------------------------------------------------+
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TU_ATTR_ALWAYS_INLINE static inline osal_semaphore_t osal_semaphore_create(osal_semaphore_def_t* semdef)
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{
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#if configSUPPORT_STATIC_ALLOCATION
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return xSemaphoreCreateBinaryStatic(semdef);
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#else
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(void) semdef;
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return xSemaphoreCreateBinary();
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#endif
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}
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TU_ATTR_ALWAYS_INLINE static inline bool osal_semaphore_post(osal_semaphore_t sem_hdl, bool in_isr)
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{
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if ( !in_isr )
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{
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return xSemaphoreGive(sem_hdl) != 0;
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}
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else
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{
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BaseType_t xHigherPriorityTaskWoken;
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BaseType_t res = xSemaphoreGiveFromISR(sem_hdl, &xHigherPriorityTaskWoken);
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#if CFG_TUSB_MCU == OPT_MCU_ESP32S2 || CFG_TUSB_MCU == OPT_MCU_ESP32S3
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// not needed after https://github.com/espressif/esp-idf/commit/c5fd79547ac9b7bae06fa660e9f814d18d3390b7
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if ( xHigherPriorityTaskWoken ) portYIELD_FROM_ISR();
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#else
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portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
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#endif
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return res != 0;
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}
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}
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TU_ATTR_ALWAYS_INLINE static inline bool osal_semaphore_wait(osal_semaphore_t sem_hdl, uint32_t msec)
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{
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return xSemaphoreTake(sem_hdl, _osal_ms2tick(msec));
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}
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TU_ATTR_ALWAYS_INLINE static inline void osal_semaphore_reset(osal_semaphore_t const sem_hdl)
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{
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xQueueReset(sem_hdl);
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}
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//--------------------------------------------------------------------+
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// MUTEX API (priority inheritance)
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//--------------------------------------------------------------------+
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TU_ATTR_ALWAYS_INLINE static inline osal_mutex_t osal_mutex_create(osal_mutex_def_t* mdef)
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{
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#if configSUPPORT_STATIC_ALLOCATION
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return xSemaphoreCreateMutexStatic(mdef);
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#else
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(void) mdef;
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return xSemaphoreCreateMutex();
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#endif
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}
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TU_ATTR_ALWAYS_INLINE static inline bool osal_mutex_lock(osal_mutex_t mutex_hdl, uint32_t msec)
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{
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return osal_semaphore_wait(mutex_hdl, msec);
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}
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TU_ATTR_ALWAYS_INLINE static inline bool osal_mutex_unlock(osal_mutex_t mutex_hdl)
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{
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return xSemaphoreGive(mutex_hdl);
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}
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//--------------------------------------------------------------------+
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// QUEUE API
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//--------------------------------------------------------------------+
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TU_ATTR_ALWAYS_INLINE static inline osal_queue_t osal_queue_create(osal_queue_def_t* qdef)
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{
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#if configSUPPORT_STATIC_ALLOCATION
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return xQueueCreateStatic(qdef->depth, qdef->item_sz, (uint8_t*) qdef->buf, &qdef->sq);
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#else
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return xQueueCreate(qdef->depth, qdef->item_sz);
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#endif
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}
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TU_ATTR_ALWAYS_INLINE static inline bool osal_queue_receive(osal_queue_t qhdl, void* data, uint32_t msec)
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{
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return xQueueReceive(qhdl, data, _osal_ms2tick(msec));
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}
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TU_ATTR_ALWAYS_INLINE static inline bool osal_queue_send(osal_queue_t qhdl, void const * data, bool in_isr)
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{
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if ( !in_isr )
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{
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return xQueueSendToBack(qhdl, data, OSAL_TIMEOUT_WAIT_FOREVER) != 0;
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}
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else
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{
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BaseType_t xHigherPriorityTaskWoken;
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BaseType_t res = xQueueSendToBackFromISR(qhdl, data, &xHigherPriorityTaskWoken);
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#if CFG_TUSB_MCU == OPT_MCU_ESP32S2 || CFG_TUSB_MCU == OPT_MCU_ESP32S3
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// not needed after https://github.com/espressif/esp-idf/commit/c5fd79547ac9b7bae06fa660e9f814d18d3390b7
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if ( xHigherPriorityTaskWoken ) portYIELD_FROM_ISR();
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#else
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portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
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#endif
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return res != 0;
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}
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}
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TU_ATTR_ALWAYS_INLINE static inline bool osal_queue_empty(osal_queue_t qhdl)
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{
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return uxQueueMessagesWaiting(qhdl) == 0;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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