diff options
Diffstat (limited to 'ChibiOS_16.1.5/community/os/various/tribuf.c')
| -rw-r--r-- | ChibiOS_16.1.5/community/os/various/tribuf.c | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/ChibiOS_16.1.5/community/os/various/tribuf.c b/ChibiOS_16.1.5/community/os/various/tribuf.c deleted file mode 100644 index 80eb258..0000000 --- a/ChibiOS_16.1.5/community/os/various/tribuf.c +++ /dev/null @@ -1,214 +0,0 @@ -/*
- Copyright (C) 2014..2015 Andrea Zoppi
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-#include "osal.h"
-#include "tribuf.h"
-
-/**
- * @file tribuf.c
- * @brief Triple buffer handler source.
- *
- * @addtogroup TriBuf
- * @{
- */
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Initializes the tribuf handler object.
- *
- * @param[in] handler Pointer to the tribuf handler object.
- * @param[in] front Pointer to the initial front buffer.
- * @param[in] back Pointer to the initial back buffer.
- * @param[in] orphan Pointer to the initial orphan buffer.
- *
- * @init
- */
-void tribufObjectInit(tribuf_t *handler, void *front, void *back, void *orphan) {
-
- handler->front = front;
- handler->back = back;
- handler->orphan = orphan;
-#if (TRIBUF_USE_WAIT == TRUE)
- chSemObjectInit(&handler->ready, (cnt_t)0);
-#else
- handler->ready = false;
-#endif
-}
-
-/**
- * @brief Gets the current front buffer.
- *
- * @param[in] handler Pointer to the tribuf handler object.
- * @return Pointer to the current front buffer.
- *
- * @api
- */
-void *tribufGetFront(tribuf_t *handler) {
-
- void *front;
-
- osalSysLock();
- front = tribufGetFrontI(handler);
- osalSysUnlock();
- return front;
-}
-
-/**
- * @brief Swaps the current front buffer.
- *
- * @details Exchanges the pointer of the current front buffer, which will be
- * dismissed, with the pointer of the current orphan buffer, which
- * holds the content of the new front buffer.
- *
- * @pre The orphan buffer holds new data, swapped by the back buffer.
- * @pre The fron buffer is ready for swap.
- * @post The orphan buffer can be used as new back buffer in the future.
- *
- * @param[in] handler Pointer to the tribuf handler object.
- *
- * @iclass
- */
-void tribufSwapFrontI(tribuf_t *handler) {
-
- void *front;
-
- osalDbgCheckClassI();
-
- front = handler->orphan;
- handler->orphan = handler->front;
- handler->front = front;
-}
-
-/**
- * @brief Swaps the current front buffer.
- *
- * @details Exchanges the pointer of the current front buffer, which will be
- * dismissed, with the pointer of the current orphan buffer, which
- * holds the content of the new front buffer.
- *
- * @pre The orphan buffer holds new data, swapped by the back buffer.
- * @pre The fron buffer is ready for swap.
- * @post The orphan buffer can be used as new back buffer in the future.
- *
- * @param[in] handler Pointer to the tribuf handler object.
- *
- * @api
- */
-void tribufSwapFront(tribuf_t *handler) {
-
- osalSysLock();
- tribufSwapFrontI(handler);
- osalSysUnlock();
-}
-
-/**
- * @brief Gets the current back buffer.
- *
- * @param[in] handler Pointer to the tribuf handler object.
- * @return Pointer to the current back buffer.
- *
- * @api
- */
-void *tribufGetBack(tribuf_t *handler) {
-
- void *back;
-
- osalSysLock();
- back = tribufGetBackI(handler);
- osalSysUnlock();
- return back;
-}
-
-/**
- * @brief Swaps the current back buffer.
- *
- * @details Exchanges the pointer of the current back buffer, which holds new
- * useful data, with the pointer of the current orphan buffer.
- *
- * @pre The orphan buffer holds no meaningful data.
- * @post The orphan buffer is candidate for new front buffer.
- * @post A new front buffer is ready and signaled.
- *
- * @param[in] handler Pointer to the tribuf handler object.
- *
- * @iclass
- */
-void tribufSwapBackI(tribuf_t *handler) {
-
- void *back;
-
- osalDbgCheckClassI();
-
- back = handler->orphan;
- handler->orphan = handler->back;
- handler->back = back;
-
-#if (TRIBUF_USE_WAIT == TRUE)
- if (chSemGetCounterI(&handler->ready) < (cnt_t)1)
- chSemSignalI(&handler->ready);
-#else
- handler->ready = true;
-#endif
-}
-
-/**
- * @brief Swaps the current back buffer.
- *
- * @details Exchanges the pointer of the current back buffer, which holds new
- * useful data, with the pointer of the current orphan buffer.
- *
- * @pre The orphan buffer holds no meaningful data.
- * @post The orphan buffer is candidate for new front buffer.
- * @post A new front buffer is ready and signaled.
- *
- * @param[in] handler Pointer to the tribuf handler object.
- *
- * @api
- */
-void tribufSwapBack(tribuf_t *handler) {
-
- osalSysLock();
- tribufSwapBackI(handler);
-#if (TRIBUF_USE_WAIT == TRUE)
- osalOsRescheduleS();
-#endif
- osalSysUnlock();
-}
-
-/** @} */
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