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Diffstat (limited to 'os/kernel/include/chmboxes.h')
| -rw-r--r-- | os/kernel/include/chmboxes.h | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/os/kernel/include/chmboxes.h b/os/kernel/include/chmboxes.h deleted file mode 100644 index 85192e804..000000000 --- a/os/kernel/include/chmboxes.h +++ /dev/null @@ -1,163 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
- 2011,2012,2013 Giovanni Di Sirio.
-
- This file is part of ChibiOS/RT.
-
- ChibiOS/RT is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/RT is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/**
- * @file chmboxes.h
- * @brief Mailboxes macros and structures.
- *
- * @addtogroup mailboxes
- * @{
- */
-
-#ifndef _CHMBOXES_H_
-#define _CHMBOXES_H_
-
-#if CH_USE_MAILBOXES || defined(__DOXYGEN__)
-
-/*
- * Module dependencies check.
- */
-#if !CH_USE_SEMAPHORES
-#error "CH_USE_MAILBOXES requires CH_USE_SEMAPHORES"
-#endif
-
-/**
- * @brief Structure representing a mailbox object.
- */
-typedef struct {
- msg_t *mb_buffer; /**< @brief Pointer to the mailbox
- buffer. */
- msg_t *mb_top; /**< @brief Pointer to the location
- after the buffer. */
- msg_t *mb_wrptr; /**< @brief Write pointer. */
- msg_t *mb_rdptr; /**< @brief Read pointer. */
- Semaphore mb_fullsem; /**< @brief Full counter
- @p Semaphore. */
- Semaphore mb_emptysem; /**< @brief Empty counter
- @p Semaphore. */
-} Mailbox;
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void chMBInit(Mailbox *mbp, msg_t *buf, cnt_t n);
- void chMBReset(Mailbox *mbp);
- msg_t chMBPost(Mailbox *mbp, msg_t msg, systime_t timeout);
- msg_t chMBPostS(Mailbox *mbp, msg_t msg, systime_t timeout);
- msg_t chMBPostI(Mailbox *mbp, msg_t msg);
- msg_t chMBPostAhead(Mailbox *mbp, msg_t msg, systime_t timeout);
- msg_t chMBPostAheadS(Mailbox *mbp, msg_t msg, systime_t timeout);
- msg_t chMBPostAheadI(Mailbox *mbp, msg_t msg);
- msg_t chMBFetch(Mailbox *mbp, msg_t *msgp, systime_t timeout);
- msg_t chMBFetchS(Mailbox *mbp, msg_t *msgp, systime_t timeout);
- msg_t chMBFetchI(Mailbox *mbp, msg_t *msgp);
-#ifdef __cplusplus
-}
-#endif
-
-/**
- * @name Macro Functions
- * @{
- */
-/**
- * @brief Returns the mailbox buffer size.
- *
- * @param[in] mbp the pointer to an initialized Mailbox object
- *
- * @iclass
- */
-#define chMBSizeI(mbp) \
- ((mbp)->mb_top - (mbp)->mb_buffer)
-
-/**
- * @brief Returns the number of free message slots into a mailbox.
- * @note Can be invoked in any system state but if invoked out of a locked
- * state then the returned value may change after reading.
- * @note The returned value can be less than zero when there are waiting
- * threads on the internal semaphore.
- *
- * @param[in] mbp the pointer to an initialized Mailbox object
- * @return The number of empty message slots.
- *
- * @iclass
- */
-#define chMBGetFreeCountI(mbp) chSemGetCounterI(&(mbp)->mb_emptysem)
-
-/**
- * @brief Returns the number of used message slots into a mailbox.
- * @note Can be invoked in any system state but if invoked out of a locked
- * state then the returned value may change after reading.
- * @note The returned value can be less than zero when there are waiting
- * threads on the internal semaphore.
- *
- * @param[in] mbp the pointer to an initialized Mailbox object
- * @return The number of queued messages.
- *
- * @iclass
- */
-#define chMBGetUsedCountI(mbp) chSemGetCounterI(&(mbp)->mb_fullsem)
-
-/**
- * @brief Returns the next message in the queue without removing it.
- * @pre A message must be waiting in the queue for this function to work
- * or it would return garbage. The correct way to use this macro is
- * to use @p chMBGetFullCountI() and then use this macro, all within
- * a lock state.
- *
- * @iclass
- */
-#define chMBPeekI(mbp) (*(mbp)->mb_rdptr)
-/** @} */
-
-/**
- * @brief Data part of a static mailbox initializer.
- * @details This macro should be used when statically initializing a
- * mailbox that is part of a bigger structure.
- *
- * @param[in] name the name of the mailbox variable
- * @param[in] buffer pointer to the mailbox buffer area
- * @param[in] size size of the mailbox buffer area
- */
-#define _MAILBOX_DATA(name, buffer, size) { \
- (msg_t *)(buffer), \
- (msg_t *)(buffer) + size, \
- (msg_t *)(buffer), \
- (msg_t *)(buffer), \
- _SEMAPHORE_DATA(name.mb_fullsem, 0), \
- _SEMAPHORE_DATA(name.mb_emptysem, size), \
-}
-
-/**
- * @brief Static mailbox initializer.
- * @details Statically initialized mailboxes require no explicit
- * initialization using @p chMBInit().
- *
- * @param[in] name the name of the mailbox variable
- * @param[in] buffer pointer to the mailbox buffer area
- * @param[in] size size of the mailbox buffer area
- */
-#define MAILBOX_DECL(name, buffer, size) \
- Mailbox name = _MAILBOX_DATA(name, buffer, size)
-
-#endif /* CH_USE_MAILBOXES */
-
-#endif /* _CHMBOXES_H_ */
-
-/** @} */
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