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//*****************************************************************************
//
// ssi.h - Prototypes for the Synchronous Serial Interface Driver.
//
// Copyright (c) 2005,2006 Luminary Micro, Inc. All rights reserved.
//
// Software License Agreement
//
// Luminary Micro, Inc. (LMI) is supplying this software for use solely and
// exclusively on LMI's Stellaris Family of microcontroller products.
//
// The software is owned by LMI and/or its suppliers, and is protected under
// applicable copyright laws. All rights are reserved. Any use in violation
// of the foregoing restrictions may subject the user to criminal sanctions
// under applicable laws, as well as to civil liability for the breach of the
// terms and conditions of this license.
//
// THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
// OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
//
// This is part of revision 635 of the Stellaris Driver Library.
//
//*****************************************************************************
#ifndef __SSI_H__
#define __SSI_H__
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Values that can be passed to SSIIntEnable, SSIIntDisable, and SSIIntClear
// as the ulIntFlags parameter, and returned by SSIIntStatus.
//
//*****************************************************************************
#define SSI_TXFF 0x00000008 // TX FIFO half empty or less
#define SSI_RXFF 0x00000004 // RX FIFO half full or less
#define SSI_RXTO 0x00000002 // RX timeout
#define SSI_RXOR 0x00000001 // RX overrun
//*****************************************************************************
//
// Values that can be passed to SSIConfig.
//
//*****************************************************************************
#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
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern void SSIConfig(unsigned long ulBase, unsigned long ulProtocol,
unsigned long ulMode, unsigned long ulBitRate,
unsigned long ulDataWidth);
extern void SSIDataGet(unsigned long ulBase, unsigned long *ulData);
extern long SSIDataNonBlockingGet(unsigned long ulBase, unsigned long *ulData);
extern void SSIDataPut(unsigned long ulBase, unsigned long ulData);
extern long SSIDataNonBlockingPut(unsigned long ulBase, unsigned long ulData);
extern void SSIDisable(unsigned long ulBase);
extern void SSIEnable(unsigned long ulBase);
extern void SSIIntClear(unsigned long ulBase, unsigned long ulIntFlags);
extern void SSIIntDisable(unsigned long ulBase, unsigned long ulIntFlags);
extern void SSIIntEnable(unsigned long ulBase, unsigned long ulIntFlags);
extern void SSIIntRegister(unsigned long ulBase, void(*pfnHandler)(void));
extern unsigned long SSIIntStatus(unsigned long ulBase, tBoolean bMasked);
extern void SSIIntUnregister(unsigned long ulBase);
#ifdef __cplusplus
}
#endif
#endif // __SSI_H__
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