mirror of https://gerrit.osmocom.org/simtrace2
105 lines
4.4 KiB
C
105 lines
4.4 KiB
C
/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2010, 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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* \page sam3s_ppc SAM3S PIO Parallel Capture
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*
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* \section Purpose
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*
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* Interface for configuration the PIO Parallel Capture peripheral.
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*
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* \section Usage
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*
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* -# Configurate the interrupt for PIOA, can be done by PIO_InitializeInterrupts()
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* -# Initialize the PIO Parallel Capture API by filing the SpioCaptureInit structur.
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* 2 options:
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* - alwaysSampling: for sample data with or without take in account ENABLE pins.
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* - halfSampling: for sample all data or only one time out of two
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* -# Call PIO_CaptureInit() for init and enable the PDC, init the PIO capture.
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* -# Call PIO_CaptureEnable() for enable the PIO Parallel Capture.
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* -# When an interrupt is received, the PIO_CaptureHandler() is call and the respective
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* callback is launch.
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* -# When the transfer is complete, the user need to disable interrupt with
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* PIO_CaptureDisableIt(). Otherway, the PDC will send an interrupt.
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* -# The data receive by the PIO Parallel Capture is inside the buffer passed in the
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* PIO_CaptureInit().
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*
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*/
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#ifndef PIO_CAPTURE_H
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#define PIO_CAPTURE_H
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/*----------------------------------------------------------------------------
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* Types
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*----------------------------------------------------------------------------*/
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/** \brief PIO Parallel Capture structure for initialize.
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*
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* At the end of the transfer, the callback is invoked by the interrupt handler.
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*/
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typedef struct _SpioCaptureInit {
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/** PIO_PCRHR register is a BYTE, HALF-WORD or WORD */
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uint8_t dsize;
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/** PDC size, data to be received */
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uint16_t dPDCsize;
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/** Data to be received */
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uint32_t *pData;
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/** Parallel Capture Mode Always Sampling */
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uint8_t alwaysSampling;
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/** Parallel Capture Mode Half Sampling */
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uint8_t halfSampling;
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/** Parallel Capture Mode First Sample */
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uint8_t modeFirstSample;
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/** Callback function invoked at Mode Data Ready */
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void (*CbkDataReady)( struct _SpioCaptureInit* );
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/** Callback function invoked at Mode Overrun Error */
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void (*CbkOverrun)( struct _SpioCaptureInit* );
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/** Callback function invoked at End of Reception Transfer */
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void (*CbkEndReception)( struct _SpioCaptureInit* );
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/** Callback function invoked at Reception Buffer Full */
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void (*CbkBuffFull)( struct _SpioCaptureInit* );
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/** Callback arguments.*/
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void *pParam;
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} SpioCaptureInit ;
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/*----------------------------------------------------------------------------
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* Global Functions
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*----------------------------------------------------------------------------*/
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extern void PIO_CaptureDisableIt( uint32_t itToDisable ) ;
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extern void PIO_CaptureEnableIt( uint32_t itToEnable ) ;
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extern void PIO_CaptureEnable( void ) ;
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extern void PIO_CaptureDisable( void ) ;
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extern void PIO_CaptureInit( SpioCaptureInit* pInit ) ;
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#endif /* #ifndef PIO_CAPTURE_H */
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