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Diffstat (limited to 'driverlib/ssi.h')
| -rw-r--r-- | driverlib/ssi.h | 151 |
1 files changed, 151 insertions, 0 deletions
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__
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