kopia lustrzana https://github.com/micropython/micropython
219 wiersze
8.8 KiB
C
219 wiersze
8.8 KiB
C
//*****************************************************************************
|
|
//
|
|
// i2s.h
|
|
//
|
|
// Defines and Macros for the I2S.
|
|
//
|
|
// 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 __I2S_H__
|
|
#define __I2S_H__
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// If building with a C++ compiler, make all of the definitions in this header
|
|
// have a C binding.
|
|
//
|
|
//*****************************************************************************
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// I2S DMA ports.
|
|
//
|
|
//*****************************************************************************
|
|
#define I2S_TX_DMA_PORT 0x4401E200
|
|
#define I2S_RX_DMA_PORT 0x4401E280
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to I2SConfigSetExpClk() as the ulConfig parameter.
|
|
//
|
|
//*****************************************************************************
|
|
#define I2S_SLOT_SIZE_8 0x00300032
|
|
#define I2S_SLOT_SIZE_16 0x00700074
|
|
#define I2S_SLOT_SIZE_24 0x00B000B6
|
|
|
|
|
|
#define I2S_PORT_CPU 0x00080008
|
|
#define I2S_PORT_DMA 0x00000000
|
|
|
|
#define I2S_MODE_MASTER 0x00000000
|
|
#define I2S_MODE_SLAVE 0x00008000
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed as ulDataLine parameter.
|
|
//
|
|
//*****************************************************************************
|
|
#define I2S_DATA_LINE_0 0x00000001
|
|
#define I2S_DATA_LINE_1 0x00000002
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to I2SSerializerConfig() as the ulSerMode
|
|
// parameter.
|
|
//
|
|
//*****************************************************************************
|
|
#define I2S_SER_MODE_TX 0x00000001
|
|
#define I2S_SER_MODE_RX 0x00000002
|
|
#define I2S_SER_MODE_DISABLE 0x00000000
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to I2SSerializerConfig() as the ulInActState
|
|
// parameter.
|
|
//
|
|
//*****************************************************************************
|
|
#define I2S_INACT_TRI_STATE 0x00000000
|
|
#define I2S_INACT_LOW_LEVEL 0x00000008
|
|
#define I2S_INACT_HIGH_LEVEL 0x0000000C
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to I2SIntEnable() and I2SIntDisable() as the
|
|
// ulIntFlags parameter.
|
|
//
|
|
//*****************************************************************************
|
|
#define I2S_INT_XUNDRN 0x00000001
|
|
#define I2S_INT_XSYNCERR 0x00000002
|
|
#define I2S_INT_XLAST 0x00000010
|
|
#define I2S_INT_XDATA 0x00000020
|
|
#define I2S_INT_XSTAFRM 0x00000080
|
|
#define I2S_INT_XDMA 0x80000000
|
|
#define I2S_INT_ROVRN 0x00010000
|
|
#define I2S_INT_RSYNCERR 0x00020000
|
|
#define I2S_INT_RLAST 0x00100000
|
|
#define I2S_INT_RDATA 0x00200000
|
|
#define I2S_INT_RSTAFRM 0x00800000
|
|
#define I2S_INT_RDMA 0x40000000
|
|
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to I2SRxActiveSlotSet() and I2STxActiveSlotSet
|
|
//
|
|
//*****************************************************************************
|
|
#define I2S_ACT_SLOT_EVEN 0x00000001
|
|
#define I2S_ACT_SLOT_ODD 0x00000002
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to I2SIntClear() as the
|
|
// ulIntFlags parameter and returned from I2SIntStatus().
|
|
//
|
|
//*****************************************************************************
|
|
#define I2S_STS_XERR 0x00000100
|
|
#define I2S_STS_XDMAERR 0x00000080
|
|
#define I2S_STS_XSTAFRM 0x00000040
|
|
#define I2S_STS_XDATA 0x00000020
|
|
#define I2S_STS_XLAST 0x00000010
|
|
#define I2S_STS_XSYNCERR 0x00000002
|
|
#define I2S_STS_XUNDRN 0x00000001
|
|
#define I2S_STS_XDMA 0x80000000
|
|
#define I2S_STS_RERR 0x01000000
|
|
#define I2S_STS_RDMAERR 0x00800000
|
|
#define I2S_STS_RSTAFRM 0x00400000
|
|
#define I2S_STS_RDATA 0x00200000
|
|
#define I2S_STS_RLAST 0x00100000
|
|
#define I2S_STS_RSYNCERR 0x00020000
|
|
#define I2S_STS_ROVERN 0x00010000
|
|
#define I2S_STS_RDMA 0x40000000
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to I2SEnable() as the ulMode parameter.
|
|
//
|
|
//*****************************************************************************
|
|
#define I2S_MODE_TX_ONLY 0x00000001
|
|
#define I2S_MODE_TX_RX_SYNC 0x00000003
|
|
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// API Function prototypes
|
|
//
|
|
//*****************************************************************************
|
|
extern void I2SEnable(unsigned long ulBase, unsigned long ulMode);
|
|
extern void I2SDisable(unsigned long ulBase);
|
|
|
|
extern void I2SDataPut(unsigned long ulBase, unsigned long ulDataLine,
|
|
unsigned long ulData);
|
|
extern long I2SDataPutNonBlocking(unsigned long ulBase,
|
|
unsigned long ulDataLine, unsigned long ulData);
|
|
|
|
extern void I2SDataGet(unsigned long ulBase, unsigned long ulDataLine,
|
|
unsigned long *pulData);
|
|
extern long I2SDataGetNonBlocking(unsigned long ulBase,
|
|
unsigned long ulDataLine, unsigned long *pulData);
|
|
|
|
extern void I2SConfigSetExpClk(unsigned long ulBase, unsigned long ulI2SClk,
|
|
unsigned long ulBitClk, unsigned long ulConfig);
|
|
|
|
extern void I2STxFIFOEnable(unsigned long ulBase, unsigned long ulTxLevel,
|
|
unsigned long ulWordsPerTransfer);
|
|
extern void I2STxFIFODisable(unsigned long ulBase);
|
|
extern void I2SRxFIFOEnable(unsigned long ulBase, unsigned long ulRxLevel,
|
|
unsigned long ulWordsPerTransfer);
|
|
extern void I2SRxFIFODisable(unsigned long ulBase);
|
|
extern unsigned long I2STxFIFOStatusGet(unsigned long ulBase);
|
|
extern unsigned long I2SRxFIFOStatusGet(unsigned long ulBase);
|
|
|
|
extern void I2SSerializerConfig(unsigned long ulBase, unsigned long ulDataLine,
|
|
unsigned long ulSerMode, unsigned long ulInActState);
|
|
|
|
extern void I2SIntEnable(unsigned long ulBase, unsigned long ulIntFlags);
|
|
extern void I2SIntDisable(unsigned long ulBase, unsigned long ulIntFlags);
|
|
extern unsigned long I2SIntStatus(unsigned long ulBase);
|
|
extern void I2SIntClear(unsigned long ulBase, unsigned long ulIntFlags);
|
|
extern void I2SIntRegister(unsigned long ulBase, void (*pfnHandler)(void));
|
|
extern void I2SIntUnregister(unsigned long ulBase);
|
|
extern void I2STxActiveSlotSet(unsigned long ulBase, unsigned long ulActSlot);
|
|
extern void I2SRxActiveSlotSet(unsigned long ulBase, unsigned long ulActSlot);
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Mark the end of the C bindings section for C++ compilers.
|
|
//
|
|
//*****************************************************************************
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif //__I2S_H__
|
|
|