diff options
Diffstat (limited to 'tinyusb/src/osal/osal_freertos.h')
-rwxr-xr-x | tinyusb/src/osal/osal_freertos.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/tinyusb/src/osal/osal_freertos.h b/tinyusb/src/osal/osal_freertos.h new file mode 100755 index 00000000..66070c27 --- /dev/null +++ b/tinyusb/src/osal/osal_freertos.h @@ -0,0 +1,172 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2019 Ha Thach (tinyusb.org) + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + * This file is part of the TinyUSB stack. + */ + +#ifndef _TUSB_OSAL_FREERTOS_H_ +#define _TUSB_OSAL_FREERTOS_H_ + +// FreeRTOS Headers +#include "FreeRTOS.h" +#include "semphr.h" +#include "queue.h" +#include "task.h" + +#ifdef __cplusplus +extern "C" { +#endif + +//--------------------------------------------------------------------+ +// TASK API +//--------------------------------------------------------------------+ +static inline void osal_task_delay(uint32_t msec) +{ + vTaskDelay( pdMS_TO_TICKS(msec) ); +} + +//--------------------------------------------------------------------+ +// Semaphore API +//--------------------------------------------------------------------+ +typedef StaticSemaphore_t osal_semaphore_def_t; +typedef SemaphoreHandle_t osal_semaphore_t; + +static inline osal_semaphore_t osal_semaphore_create(osal_semaphore_def_t* semdef) +{ + return xSemaphoreCreateBinaryStatic(semdef); +} + +static inline bool osal_semaphore_post(osal_semaphore_t sem_hdl, bool in_isr) +{ + if ( !in_isr ) + { + return xSemaphoreGive(sem_hdl) != 0; + } + else + { + BaseType_t xHigherPriorityTaskWoken; + BaseType_t res = xSemaphoreGiveFromISR(sem_hdl, &xHigherPriorityTaskWoken); + +#if CFG_TUSB_MCU == OPT_MCU_ESP32S2 || CFG_TUSB_MCU == OPT_MCU_ESP32S3 + if ( xHigherPriorityTaskWoken ) portYIELD_FROM_ISR(); +#else + portYIELD_FROM_ISR(xHigherPriorityTaskWoken); +#endif + + return res != 0; + } +} + +static inline bool osal_semaphore_wait (osal_semaphore_t sem_hdl, uint32_t msec) +{ + uint32_t const ticks = (msec == OSAL_TIMEOUT_WAIT_FOREVER) ? portMAX_DELAY : pdMS_TO_TICKS(msec); + return xSemaphoreTake(sem_hdl, ticks); +} + +static inline void osal_semaphore_reset(osal_semaphore_t const sem_hdl) +{ + xQueueReset(sem_hdl); +} + +//--------------------------------------------------------------------+ +// MUTEX API (priority inheritance) +//--------------------------------------------------------------------+ +typedef StaticSemaphore_t osal_mutex_def_t; +typedef SemaphoreHandle_t osal_mutex_t; + +static inline osal_mutex_t osal_mutex_create(osal_mutex_def_t* mdef) +{ + return xSemaphoreCreateMutexStatic(mdef); +} + +static inline bool osal_mutex_lock (osal_mutex_t mutex_hdl, uint32_t msec) +{ + return osal_semaphore_wait(mutex_hdl, msec); +} + +static inline bool osal_mutex_unlock(osal_mutex_t mutex_hdl) +{ + return xSemaphoreGive(mutex_hdl); +} + +//--------------------------------------------------------------------+ +// QUEUE API +//--------------------------------------------------------------------+ + +// role device/host is used by OS NONE for mutex (disable usb isr) only +#define OSAL_QUEUE_DEF(_role, _name, _depth, _type) \ + static _type _name##_##buf[_depth];\ + osal_queue_def_t _name = { .depth = _depth, .item_sz = sizeof(_type), .buf = _name##_##buf }; + +typedef struct +{ + uint16_t depth; + uint16_t item_sz; + void* buf; + + StaticQueue_t sq; +}osal_queue_def_t; + +typedef QueueHandle_t osal_queue_t; + +static inline osal_queue_t osal_queue_create(osal_queue_def_t* qdef) +{ + return xQueueCreateStatic(qdef->depth, qdef->item_sz, (uint8_t*) qdef->buf, &qdef->sq); +} + +static inline bool osal_queue_receive(osal_queue_t qhdl, void* data) +{ + return xQueueReceive(qhdl, data, portMAX_DELAY); +} + +static inline bool osal_queue_send(osal_queue_t qhdl, void const * data, bool in_isr) +{ + if ( !in_isr ) + { + return xQueueSendToBack(qhdl, data, OSAL_TIMEOUT_WAIT_FOREVER) != 0; + } + else + { + BaseType_t xHigherPriorityTaskWoken; + BaseType_t res = xQueueSendToBackFromISR(qhdl, data, &xHigherPriorityTaskWoken); + +#if CFG_TUSB_MCU == OPT_MCU_ESP32S2 || CFG_TUSB_MCU == OPT_MCU_ESP32S3 + if ( xHigherPriorityTaskWoken ) portYIELD_FROM_ISR(); +#else + portYIELD_FROM_ISR(xHigherPriorityTaskWoken); +#endif + + return res != 0; + } +} + +static inline bool osal_queue_empty(osal_queue_t qhdl) +{ + return uxQueueMessagesWaiting(qhdl) == 0; +} + +#ifdef __cplusplus + } +#endif + +#endif /* _TUSB_OSAL_FREERTOS_H_ */ |