91 lines
3.3 KiB
C
91 lines
3.3 KiB
C
/*-----------------------------------------------------------------------------
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* Name: Board_LED.h
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* Purpose: LED interface header file
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* Rev.: 1.0.0
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*-----------------------------------------------------------------------------*/
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/* Copyright (c) 2013 - 2014 ARM LIMITED
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of ARM nor the names of its contributors may be used
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to endorse or promote products derived from this software without
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specific prior written permission.
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*
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------*/
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#ifndef __BOARD_LED_H
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#define __BOARD_LED_H
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#include <stdint.h>
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/**
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\fn int32_t LED_Initialize (void)
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\brief Initialize I/O interface for LEDs
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\returns
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- \b 0: function succeeded
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- \b -1: function failed
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*/
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/**
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\fn int32_t LED_Uninitialize (void)
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\brief De-initialize I/O interface for LEDs
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\returns
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- \b 0: function succeeded
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- \b -1: function failed
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*/
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/**
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\fn int32_t LED_On (uint32_t num)
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\brief Turn on a single LED indicated by \em num
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\param[in] num LED number
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\returns
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- \b 0: function succeeded
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- \b -1: function failed
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*/
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/**
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\fn int32_t LED_Off (uint32_t num)
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\brief Turn off a single LED indicated by \em num
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\param[in] num LED number
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\returns
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- \b 0: function succeeded
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- \b -1: function failed
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*/
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/**
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\fn int32_t LED_SetOut (uint32_t val)
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\brief Control all LEDs with the bit vector \em val
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\param[in] val each bit represents the status of one LED.
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\returns
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- \b 0: function succeeded
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- \b -1: function failed
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*/
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/**
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\fn uint32_t LED_GetCount (void)
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\brief Get number of available LEDs on evaluation hardware
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\return Number of available LEDs
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*/
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extern int32_t LED_Initialize (void);
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extern int32_t LED_Uninitialize (void);
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extern int32_t LED_On (uint32_t num);
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extern int32_t LED_Off (uint32_t num);
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extern int32_t LED_SetOut (uint32_t val);
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extern uint32_t LED_GetCount (void);
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#endif /* __BOARD_LED_H */
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