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Add FreeRTOS-Plus directory.
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Richard Barry
parent
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commit
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6798 changed files with 134949 additions and 19 deletions
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/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2008, Atmel Corporation
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*
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* All rights reserved.
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*
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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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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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//------------------------------------------------------------------------------
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// Headers
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//------------------------------------------------------------------------------
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#include "aic.h"
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#include <board.h>
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//------------------------------------------------------------------------------
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// Exported functions
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//------------------------------------------------------------------------------
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//------------------------------------------------------------------------------
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/// Configures the interrupt associated with the given source, using the
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/// specified mode and interrupt handler.
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/// \param source Interrupt source to configure.
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/// \param mode Triggering mode of the interrupt.
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/// \param handler Interrupt handler function.
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//------------------------------------------------------------------------------
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void AIC_ConfigureIT(unsigned int source,
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unsigned int mode,
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void (*handler)( void ))
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{
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// Disable the interrupt first
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AT91C_BASE_AIC->AIC_IDCR = 1 << source;
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// Configure mode and handler
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AT91C_BASE_AIC->AIC_SMR[source] = mode;
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AT91C_BASE_AIC->AIC_SVR[source] = (unsigned int) handler;
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// Clear interrupt
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AT91C_BASE_AIC->AIC_ICCR = 1 << source;
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}
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//------------------------------------------------------------------------------
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/// Enables interrupts coming from the given (unique) source.
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/// \param source Interrupt source to enable.
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//------------------------------------------------------------------------------
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void AIC_EnableIT(unsigned int source)
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{
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AT91C_BASE_AIC->AIC_IECR = 1 << source;
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}
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//------------------------------------------------------------------------------
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/// Disables interrupts coming from the given (unique) source.
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/// \param source Interrupt source to enable.
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//------------------------------------------------------------------------------
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void AIC_DisableIT(unsigned int source)
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{
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AT91C_BASE_AIC->AIC_IDCR = 1 << source;
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}
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@ -0,0 +1,74 @@
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/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2008, Atmel Corporation
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*
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* All rights reserved.
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*
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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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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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//------------------------------------------------------------------------------
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/// \dir
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/// !Purpose
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///
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/// Methods and definitions for configuring interrupts using the Advanced
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/// Interrupt Controller (AIC).
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///
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/// !Usage
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/// -# Configure an interrupt source using AIC_ConfigureIT
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/// -# Enable or disable interrupt generation of a particular source with
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/// AIC_EnableIT and AIC_DisableIT.
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//------------------------------------------------------------------------------
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#ifndef AIC_H
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#define AIC_H
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//------------------------------------------------------------------------------
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// Headers
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//------------------------------------------------------------------------------
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#include <board.h>
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//------------------------------------------------------------------------------
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// Definitions
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//------------------------------------------------------------------------------
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#ifndef AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL
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/// Redefinition of missing constant.
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#define AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL AT91C_AIC_SRCTYPE_INT_LEVEL_SENSITIVE
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#endif
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//------------------------------------------------------------------------------
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// Global functions
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//------------------------------------------------------------------------------
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extern void AIC_ConfigureIT(unsigned int source,
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unsigned int mode,
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void (*handler)( void ));
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extern void AIC_EnableIT(unsigned int source);
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extern void AIC_DisableIT(unsigned int source);
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#endif //#ifndef AIC_H
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