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-rw-r--r--os/hal/src/pal.c127
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diff --git a/os/hal/src/pal.c b/os/hal/src/pal.c
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--- a/os/hal/src/pal.c
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-/*
- 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 pal.c
- * @brief I/O Ports Abstraction Layer code.
- *
- * @addtogroup PAL
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_PAL || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Read from an I/O bus.
- * @note The operation is not guaranteed to be atomic on all the
- * architectures, for atomicity and/or portability reasons you may
- * need to enclose port I/O operations between @p chSysLock() and
- * @p chSysUnlock().
- * @note The function internally uses the @p palReadGroup() macro. The use
- * of this function is preferred when you value code size, readability
- * and error checking over speed.
- *
- * @param[in] bus the I/O bus, pointer to a @p IOBus structure
- * @return The bus logical states.
- *
- * @api
- */
-ioportmask_t palReadBus(IOBus *bus) {
-
- chDbgCheck((bus != NULL) &&
- (bus->offset < PAL_IOPORTS_WIDTH), "palReadBus");
-
- return palReadGroup(bus->portid, bus->mask, bus->offset);
-}
-
-/**
- * @brief Write to an I/O bus.
- * @note The operation is not guaranteed to be atomic on all the
- * architectures, for atomicity and/or portability reasons you may
- * need to enclose port I/O operations between @p chSysLock() and
- * @p chSysUnlock().
- * @note The default implementation is non atomic and not necessarily
- * optimal. Low level drivers may optimize the function by using
- * specific hardware or coding.
- *
- * @param[in] bus the I/O bus, pointer to a @p IOBus structure
- * @param[in] bits the bits to be written on the I/O bus. Values exceeding
- * the bus width are masked so most significant bits are
- * lost.
- *
- * @api
- */
-void palWriteBus(IOBus *bus, ioportmask_t bits) {
-
- chDbgCheck((bus != NULL) &&
- (bus->offset < PAL_IOPORTS_WIDTH), "palWriteBus");
-
- palWriteGroup(bus->portid, bus->mask, bus->offset, bits);
-}
-
-/**
- * @brief Programs a bus with the specified mode.
- * @note The operation is not guaranteed to be atomic on all the
- * architectures, for atomicity and/or portability reasons you may
- * need to enclose port I/O operations between @p chSysLock() and
- * @p chSysUnlock().
- * @note The default implementation is non atomic and not necessarily
- * optimal. Low level drivers may optimize the function by using
- * specific hardware or coding.
- *
- * @param[in] bus the I/O bus, pointer to a @p IOBus structure
- * @param[in] mode the mode
- *
- * @api
- */
-void palSetBusMode(IOBus *bus, iomode_t mode) {
-
- chDbgCheck((bus != NULL) &&
- (bus->offset < PAL_IOPORTS_WIDTH), "palSetBusMode");
-
- palSetGroupMode(bus->portid, bus->mask, bus->offset, mode);
-}
-
-#endif /* HAL_USE_PAL */
-
-/** @} */