From 44b979ac3dc53b29ee8176517b7d9a10935630c0 Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Mon, 29 Oct 2012 21:36:23 +0200 Subject: Initial code --- driverlib/ssi.h | 151 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 151 insertions(+) create mode 100644 driverlib/ssi.h (limited to 'driverlib/ssi.h') diff --git a/driverlib/ssi.h b/driverlib/ssi.h new file mode 100644 index 0000000..1a40214 --- /dev/null +++ b/driverlib/ssi.h @@ -0,0 +1,151 @@ +//***************************************************************************** +// +// ssi.h - Prototypes for the Synchronous Serial Interface Driver. +// +// Copyright (c) 2005-2012 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 9453 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 0x00000005 + +//***************************************************************************** +// +// 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__ -- cgit v1.3.1