56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file ports/ARM7-LPC214x/lpc214x_ssp.h
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* @brief LPC214x SSP driver macros and structures.
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* @addtogroup LPC214x_SSP
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* @{
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*/
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#ifndef _LPC214x_SSP_H_
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#define _LPC214x_SSP_H_
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/**
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* @brief SSP bus mutual exclusion control.
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* @details Configuration parameter, if set to @p TRUE enforces mutual
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* exclusion when invoking @p sspAcquireBus() and @p sspReleaseBus().
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* @note The internally used synchronization mechanism is a @p Semaphore.
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* @todo Make it use Mutexes or Semaphores like the Heap subsystem.
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*/
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#if !defined(LPC214x_SSP_USE_MUTEX) || defined(__DOXYGEN__)
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#define LPC214x_SSP_USE_MUTEX TRUE
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#endif
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#ifdef __cplusplus
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}
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#endif
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void ssp_init(void);
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void ssp_setup(int cpsr, int cr0, int cr1);
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void sspAcquireBus(void);
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void sspReleaseBus(void);
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void sspRW(uint8_t *in, uint8_t *out, size_t n);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _LPC214x_SSP_H_*/
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/** @} */
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