137 lines
6.1 KiB
C
137 lines
6.1 KiB
C
//*****************************************************************************
|
|
//
|
|
// ssi.h - Prototypes for the Synchronous Serial Interface Driver.
|
|
//
|
|
// Copyright (c) 2005-2011 Texas Instruments Incorporated. All rights reserved.
|
|
// Software License Agreement
|
|
//
|
|
// Texas Instruments (TI) is supplying this software for use solely and
|
|
// exclusively on TI's microcontroller products. The software is owned by
|
|
// TI and/or its suppliers, and is protected under applicable copyright
|
|
// laws. You may not combine this software with "viral" open-source
|
|
// software in order to form a larger program.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
|
|
// 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. TI SHALL NOT, UNDER ANY
|
|
// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
|
|
// DAMAGES, FOR ANY REASON WHATSOEVER.
|
|
//
|
|
// This is part of revision 8264 of the Stellaris Peripheral Driver Library.
|
|
//
|
|
//*****************************************************************************
|
|
|
|
#ifndef __SSI_H__
|
|
#define __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 ulIntFlags parameter, and returned by SSIIntStatus.
|
|
//
|
|
//*****************************************************************************
|
|
#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 0x00000001
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Prototypes for the APIs.
|
|
//
|
|
//*****************************************************************************
|
|
extern void SSIConfigSetExpClk(unsigned long ulBase, unsigned long ulSSIClk,
|
|
unsigned long ulProtocol, unsigned long ulMode,
|
|
unsigned long ulBitRate,
|
|
unsigned long ulDataWidth);
|
|
extern void SSIDataGet(unsigned long ulBase, unsigned long *pulData);
|
|
extern long SSIDataGetNonBlocking(unsigned long ulBase,
|
|
unsigned long *pulData);
|
|
extern void SSIDataPut(unsigned long ulBase, unsigned long ulData);
|
|
extern long SSIDataPutNonBlocking(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);
|
|
extern void SSIDMAEnable(unsigned long ulBase, unsigned long ulDMAFlags);
|
|
extern void SSIDMADisable(unsigned long ulBase, unsigned long ulDMAFlags);
|
|
extern tBoolean SSIBusy(unsigned long ulBase);
|
|
extern void SSIClockSourceSet(unsigned long ulBase, unsigned long ulSource);
|
|
extern unsigned long SSIClockSourceGet(unsigned long ulBase);
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Several SSI APIs have been renamed, with the original function name being
|
|
// deprecated. These defines provide backward compatibility.
|
|
//
|
|
//*****************************************************************************
|
|
#ifndef DEPRECATED
|
|
#include "driverlib/sysctl.h"
|
|
#define SSIConfig(a, b, c, d, e) \
|
|
SSIConfigSetExpClk(a, SysCtlClockGet(), b, c, d, e)
|
|
#define SSIDataNonBlockingGet(a, b) \
|
|
SSIDataGetNonBlocking(a, b)
|
|
#define SSIDataNonBlockingPut(a, b) \
|
|
SSIDataPutNonBlocking(a, b)
|
|
#endif
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Mark the end of the C bindings section for C++ compilers.
|
|
//
|
|
//*****************************************************************************
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // __SSI_H__
|