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//*****************************************************************************
//
// ssi.h - Prototypes for the Synchronous Serial Interface Driver.
//
// Copyright (c) 2005-2014 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 2.1.0.12573 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_SSI_H__
#define __DRIVERLIB_SSI_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Values that can be passed to SSIIntEnable, SSIIntDisable, and SSIIntClear
// as the ui32IntFlags parameter, and returned by SSIIntStatus.
//
//*****************************************************************************
#define SSI_TXEOT 0x00000040 // Transmit FIFO is empty
#define SSI_DMATX 0x00000020 // DMA Transmit complete
#define SSI_DMARX 0x00000010 // DMA Receive complete
#define SSI_TXFF 0x00000008 // TX FIFO half full or less
#define SSI_RXFF 0x00000004 // RX FIFO half full or more
#define SSI_RXTO 0x00000002 // RX timeout
#define SSI_RXOR 0x00000001 // RX overrun
//*****************************************************************************
//
// Values that can be passed to SSIConfigSetExpClk.
//
//*****************************************************************************
#define SSI_FRF_MOTO_MODE_0 0x00000000 // Moto fmt, polarity 0, phase 0
#define SSI_FRF_MOTO_MODE_1 0x00000002 // Moto fmt, polarity 0, phase 1
#define SSI_FRF_MOTO_MODE_2 0x00000001 // Moto fmt, polarity 1, phase 0
#define SSI_FRF_MOTO_MODE_3 0x00000003 // Moto fmt, polarity 1, phase 1
#define SSI_FRF_TI 0x00000010 // TI frame format
#define SSI_FRF_NMW 0x00000020 // National MicroWire frame format
#define SSI_MODE_MASTER 0x00000000 // SSI master
#define SSI_MODE_SLAVE 0x00000001 // SSI slave
#define SSI_MODE_SLAVE_OD 0x00000002 // SSI slave with output disabled
//*****************************************************************************
//
// Values that can be passed to SSIDMAEnable() and SSIDMADisable().
//
//*****************************************************************************
#define SSI_DMA_TX 0x00000002 // Enable DMA for transmit
#define SSI_DMA_RX 0x00000001 // Enable DMA for receive
//*****************************************************************************
//
// Values that can be passed to SSIClockSourceSet() or returned from
// SSIClockSourceGet().
//
//*****************************************************************************
#define SSI_CLOCK_SYSTEM 0x00000000
#define SSI_CLOCK_PIOSC 0x00000005
//*****************************************************************************
//
// Values that can be passed to SSIAdvModeSet().
//
//*****************************************************************************
#define SSI_ADV_MODE_LEGACY 0x00000000
#define SSI_ADV_MODE_READ_WRITE 0x000001c0
#define SSI_ADV_MODE_WRITE 0x000000c0
#define SSI_ADV_MODE_BI_READ 0x00000140
#define SSI_ADV_MODE_BI_WRITE 0x00000040
#define SSI_ADV_MODE_QUAD_READ 0x00000180
#define SSI_ADV_MODE_QUAD_WRITE 0x00000080
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern void SSIConfigSetExpClk(uint32_t ui32Base, uint32_t ui32SSIClk,
uint32_t ui32Protocol, uint32_t ui32Mode,
uint32_t ui32BitRate,
uint32_t ui32DataWidth);
extern void SSIDataGet(uint32_t ui32Base, uint32_t *pui32Data);
extern int32_t SSIDataGetNonBlocking(uint32_t ui32Base,
uint32_t *pui32Data);
extern void SSIDataPut(uint32_t ui32Base, uint32_t ui32Data);
extern int32_t SSIDataPutNonBlocking(uint32_t ui32Base, uint32_t ui32Data);
extern void SSIDisable(uint32_t ui32Base);
extern void SSIEnable(uint32_t ui32Base);
extern void SSIIntClear(uint32_t ui32Base, uint32_t ui32IntFlags);
extern void SSIIntDisable(uint32_t ui32Base, uint32_t ui32IntFlags);
extern void SSIIntEnable(uint32_t ui32Base, uint32_t ui32IntFlags);
extern void SSIIntRegister(uint32_t ui32Base, void (*pfnHandler)(void));
extern uint32_t SSIIntStatus(uint32_t ui32Base, bool bMasked);
extern void SSIIntUnregister(uint32_t ui32Base);
extern void SSIDMAEnable(uint32_t ui32Base, uint32_t ui32DMAFlags);
extern void SSIDMADisable(uint32_t ui32Base, uint32_t ui32DMAFlags);
extern bool SSIBusy(uint32_t ui32Base);
extern void SSIClockSourceSet(uint32_t ui32Base, uint32_t ui32Source);
extern uint32_t SSIClockSourceGet(uint32_t ui32Base);
extern void SSIAdvModeSet(uint32_t ui32Base, uint32_t ui32Mode);
extern void SSIAdvDataPutFrameEnd(uint32_t ui32Base, uint32_t ui32Data);
extern int32_t SSIAdvDataPutFrameEndNonBlocking(uint32_t ui32Base,
uint32_t ui32Data);
extern void SSIAdvFrameHoldEnable(uint32_t ui32Base);
extern void SSIAdvFrameHoldDisable(uint32_t ui32Base);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_SSI_H__
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