/**************************************************************************** * * Copyright (c) 2017, Michael Becker (michael.f.becker@gmail.com) * * This file is part of the FreeRTOS Add-ons project. * * Source Code: * https://github.com/michaelbecker/freertos-addons * * Project Page: * http://michaelbecker.github.io/freertos-addons/ * * On-line Documentation: * http://michaelbecker.github.io/freertos-addons/docs/html/index.html * * 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. * + Credit is appreciated, but not required, if you find this project * useful enough to include in your application, product, device, etc. * * 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. * ***************************************************************************/ #include "queue.hpp" using namespace cpp_freertos; Queue::Queue(UBaseType_t maxItems, UBaseType_t itemSize) { handle = xQueueCreate(maxItems, itemSize); if (handle == NULL) { #ifndef CPP_FREERTOS_NO_EXCEPTIONS throw QueueCreateException(); #else configASSERT(!"Queue Constructor Failed"); #endif } } Queue::~Queue() { vQueueDelete(handle); } bool Queue::Overwrite(void *item) { BaseType_t success; success = xQueueOverwrite(handle, item); return success == pdTRUE ? true : false; } bool Queue::Enqueue(void *item) { BaseType_t success; success = xQueueSendToBack(handle, item, portMAX_DELAY); return success == pdTRUE ? true : false; } bool Queue::Enqueue(void *item, TickType_t Timeout) { BaseType_t success; success = xQueueSendToBack(handle, item, Timeout); return success == pdTRUE ? true : false; } bool Queue::Dequeue(void *item, TickType_t Timeout) { BaseType_t success; success = xQueueReceive(handle, item, Timeout); return success == pdTRUE ? true : false; } bool Queue::Peek(void *item, TickType_t Timeout) { BaseType_t success; success = xQueuePeek(handle, item, Timeout); return success == pdTRUE ? true : false; } bool Queue::EnqueueFromISR(void *item, BaseType_t *pxHigherPriorityTaskWoken) { BaseType_t success; success = xQueueSendToBackFromISR(handle, item, pxHigherPriorityTaskWoken); return success == pdTRUE ? true : false; } bool Queue::DequeueFromISR(void *item, BaseType_t *pxHigherPriorityTaskWoken) { BaseType_t success; success = xQueueReceiveFromISR(handle, item, pxHigherPriorityTaskWoken); return success == pdTRUE ? true : false; } bool Queue::PeekFromISR(void *item) { BaseType_t success; success = xQueuePeekFromISR(handle, item); return success == pdTRUE ? true : false; } bool Queue::IsEmpty() { UBaseType_t cnt = uxQueueMessagesWaiting(handle); return cnt == 0 ? true : false; } bool Queue::IsFull() { UBaseType_t cnt = uxQueueSpacesAvailable(handle); return cnt == 0 ? true : false; } void Queue::Flush() { xQueueReset(handle); } UBaseType_t Queue::NumItems() { return uxQueueMessagesWaiting(handle); } UBaseType_t Queue::NumSpacesLeft() { return uxQueueSpacesAvailable(handle); } Deque::Deque(UBaseType_t maxItems, UBaseType_t itemSize) : Queue(maxItems, itemSize) { } bool Deque::EnqueueToFront(void *item, TickType_t Timeout) { BaseType_t success; success = xQueueSendToFront(handle, item, Timeout); return success == pdTRUE ? true : false; } bool Deque::EnqueueToFrontFromISR(void *item, BaseType_t *pxHigherPriorityTaskWoken) { BaseType_t success; success = xQueueSendToFrontFromISR(handle, item, pxHigherPriorityTaskWoken); return success == pdTRUE ? true : false; } BinaryQueue::BinaryQueue(UBaseType_t itemSize) : Queue(1, itemSize) { } bool BinaryQueue::Enqueue(void *item) { (void)xQueueOverwrite(handle, item); return true; } bool BinaryQueue::EnqueueFromISR(void *item, BaseType_t *pxHigherPriorityTaskWoken) { (void)xQueueOverwriteFromISR(handle, item, pxHigherPriorityTaskWoken); return true; }