157 lines
7.0 KiB
C
157 lines
7.0 KiB
C
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// ssi.h - Prototypes for the Synchronous Serial Interface Driver.
|
||
|
|
//
|
||
|
|
// Copyright (c) 2005-2017 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.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
|
||
|
|
#ifndef __DRIVERLIB_SSI_H__
|
||
|
|
#define __DRIVERLIB_SSI_H__
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <stdbool.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_MODE_MASTER 0x00000000 // SSI master
|
||
|
|
#define SSI_MODE_SLAVE 0x00000001 // SSI slave
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// 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_ALTCLK 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__
|