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Diffstat (limited to 'ports/cc3200/hal/spi.h')
| -rw-r--r-- | ports/cc3200/hal/spi.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/ports/cc3200/hal/spi.h b/ports/cc3200/hal/spi.h new file mode 100644 index 000000000..593986bc6 --- /dev/null +++ b/ports/cc3200/hal/spi.h @@ -0,0 +1,163 @@ +//***************************************************************************** +// +// spi.h +// +// Defines and Macros for the SPI. +// +// Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/ +// +// +// 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 __SPI_H__ +#define __SPI_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 SPIConfigSetExpClk() as ulMode parameter +//***************************************************************************** +#define SPI_MODE_MASTER 0x00000000 +#define SPI_MODE_SLAVE 0x00000004 + +//***************************************************************************** +// Values that can be passed to SPIConfigSetExpClk() as ulSubMode parameter +//***************************************************************************** +#define SPI_SUB_MODE_0 0x00000000 +#define SPI_SUB_MODE_1 0x00000001 +#define SPI_SUB_MODE_2 0x00000002 +#define SPI_SUB_MODE_3 0x00000003 + + +//***************************************************************************** +// Values that can be passed to SPIConfigSetExpClk() as ulConfigFlags parameter +//***************************************************************************** +#define SPI_SW_CTRL_CS 0x01000000 +#define SPI_HW_CTRL_CS 0x00000000 +#define SPI_3PIN_MODE 0x02000000 +#define SPI_4PIN_MODE 0x00000000 +#define SPI_TURBO_ON 0x00080000 +#define SPI_TURBO_OFF 0x00000000 +#define SPI_CS_ACTIVEHIGH 0x00000000 +#define SPI_CS_ACTIVELOW 0x00000040 +#define SPI_WL_8 0x00000380 +#define SPI_WL_16 0x00000780 +#define SPI_WL_32 0x00000F80 + +//***************************************************************************** +// Values that can be passed to SPIFIFOEnable() and SPIFIFODisable() +//***************************************************************************** +#define SPI_TX_FIFO 0x08000000 +#define SPI_RX_FIFO 0x10000000 + +//***************************************************************************** +// Values that can be passed to SPIDMAEnable() and SPIDMADisable() +//***************************************************************************** +#define SPI_RX_DMA 0x00008000 +#define SPI_TX_DMA 0x00004000 + +//***************************************************************************** +// Values that can be passed to SPIIntEnable(), SPIIntDiasble(), +// SPIIntClear() or returned from SPIStatus() +//***************************************************************************** +#define SPI_INT_DMATX 0x20000000 +#define SPI_INT_DMARX 0x10000000 +#define SPI_INT_EOW 0x00020000 +#define SPI_INT_WKS 0x00010000 +#define SPI_INT_RX_OVRFLOW 0x00000008 +#define SPI_INT_RX_FULL 0x00000004 +#define SPI_INT_TX_UDRFLOW 0x00000002 +#define SPI_INT_TX_EMPTY 0x00000001 + +//***************************************************************************** +// Values that can be passed to SPITransfer() +//***************************************************************************** +#define SPI_CS_ENABLE 0x00000001 +#define SPI_CS_DISABLE 0x00000002 + +//***************************************************************************** +// +// API Function prototypes +// +//***************************************************************************** +extern void SPIEnable(unsigned long ulBase); +extern void SPIDisable(unsigned long ulBase); +extern void SPIReset(unsigned long ulBase); +extern void SPIConfigSetExpClk(unsigned long ulBase,unsigned long ulSPIClk, + unsigned long ulBitRate, unsigned long ulMode, + unsigned long ulSubMode, unsigned long ulConfig); +extern long SPIDataGetNonBlocking(unsigned long ulBase, + unsigned long * pulData); +extern void SPIDataGet(unsigned long ulBase, unsigned long *pulData); +extern long SPIDataPutNonBlocking(unsigned long ulBase, + unsigned long ulData); +extern void SPIDataPut(unsigned long ulBase, unsigned long ulData); +extern void SPIFIFOEnable(unsigned long ulBase, unsigned long ulFlags); +extern void SPIFIFODisable(unsigned long ulBase, unsigned long ulFlags); +extern void SPIFIFOLevelSet(unsigned long ulBase, unsigned long ulTxLevel, + unsigned long ulRxLevel); +extern void SPIFIFOLevelGet(unsigned long ulBase, unsigned long *pulTxLevel, + unsigned long *pulRxLevel); +extern void SPIWordCountSet(unsigned long ulBase, unsigned long ulWordCount); +extern void SPIIntRegister(unsigned long ulBase, void(*pfnHandler)(void)); +extern void SPIIntUnregister(unsigned long ulBase); +extern void SPIIntEnable(unsigned long ulBase, unsigned long ulIntFlags); +extern void SPIIntDisable(unsigned long ulBase, unsigned long ulIntFlags); +extern unsigned long SPIIntStatus(unsigned long ulBase, tBoolean bMasked); +extern void SPIIntClear(unsigned long ulBase, unsigned long ulIntFlags); +extern void SPIDmaEnable(unsigned long ulBase, unsigned long ulFlags); +extern void SPIDmaDisable(unsigned long ulBase, unsigned long ulFlags); +extern void SPICSEnable(unsigned long ulBase); +extern void SPICSDisable(unsigned long ulBase); +extern long SPITransfer(unsigned long ulBase, unsigned char *ucDout, + unsigned char *ucDin, unsigned long ulSize, + unsigned long ulFlags); + + +//***************************************************************************** +// +// Mark the end of the C bindings section for C++ compilers. +// +//***************************************************************************** +#ifdef __cplusplus +} +#endif + +#endif // __SPI_H__ |