2013-01-08 22:40:58 +08:00
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//*****************************************************************************
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//
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// i2s.h - Prototypes and macros for the I2S controller.
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//
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// Copyright (c) 2008-2011 Texas Instruments Incorporated. All rights reserved.
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// Software License Agreement
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//
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// Texas Instruments (TI) is supplying this software for use solely and
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// exclusively on TI's microcontroller products. The software is owned by
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// TI and/or its suppliers, and is protected under applicable copyright
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// laws. You may not combine this software with "viral" open-source
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// software in order to form a larger program.
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//
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// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
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// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
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// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
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// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
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// DAMAGES, FOR ANY REASON WHATSOEVER.
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//
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// This is part of revision 8264 of the Stellaris Peripheral Driver Library.
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//
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//*****************************************************************************
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#ifndef __I2S_H__
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#define __I2S_H__
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//*****************************************************************************
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//
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// If building with a C++ compiler, make all of the definitions in this header
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// have a C binding.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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//*****************************************************************************
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//
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// Values that can be passed to I2STxConfigSet() and I2SRxConfigSet()
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//
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//*****************************************************************************
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#define I2S_CONFIG_FORMAT_MASK 0x3C000000 // JST, DLY, SCP, LRP
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#define I2S_CONFIG_FORMAT_I2S 0x14000000 // !JST, DLY, !SCP, LRP
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#define I2S_CONFIG_FORMAT_LEFT_JUST \
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0x00000000 // !JST, !DLY, !SCP, !LRP
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#define I2S_CONFIG_FORMAT_RIGHT_JUST \
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0x20000000 // JST, !DLY, !SCP, !LRP
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#define I2S_CONFIG_SCLK_INVERT 0x08000000
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#define I2S_CONFIG_MODE_MASK 0x03000000
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#define I2S_CONFIG_MODE_DUAL 0x00000000
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#define I2S_CONFIG_MODE_COMPACT_16 \
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0x01000000
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#define I2S_CONFIG_MODE_COMPACT_8 \
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0x03000000
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#define I2S_CONFIG_MODE_MONO 0x02000000
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#define I2S_CONFIG_EMPTY_MASK 0x00800000
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#define I2S_CONFIG_EMPTY_ZERO 0x00000000
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#define I2S_CONFIG_EMPTY_REPEAT 0x00800000
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#define I2S_CONFIG_CLK_MASK 0x00400000
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#define I2S_CONFIG_CLK_MASTER 0x00400000
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#define I2S_CONFIG_CLK_SLAVE 0x00000000
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#define I2S_CONFIG_SAMPLE_SIZE_MASK \
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0x0000FC00
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#define I2S_CONFIG_SAMPLE_SIZE_32 \
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0x00007C00
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#define I2S_CONFIG_SAMPLE_SIZE_24 \
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0x00005C00
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#define I2S_CONFIG_SAMPLE_SIZE_20 \
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0x00004C00
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#define I2S_CONFIG_SAMPLE_SIZE_16 \
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0x00003C00
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#define I2S_CONFIG_SAMPLE_SIZE_8 \
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0x00001C00
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#define I2S_CONFIG_WIRE_SIZE_MASK \
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0x000003F0
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#define I2S_CONFIG_WIRE_SIZE_32 0x000001F0
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#define I2S_CONFIG_WIRE_SIZE_24 0x00000170
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#define I2S_CONFIG_WIRE_SIZE_20 0x00000130
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#define I2S_CONFIG_WIRE_SIZE_16 0x000000F0
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#define I2S_CONFIG_WIRE_SIZE_8 0x00000070
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//*****************************************************************************
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//
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// Values that can be passed to I2SMasterClockSelect()
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//
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//*****************************************************************************
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#define I2S_TX_MCLK_EXT 0x00000010
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#define I2S_TX_MCLK_INT 0x00000000
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#define I2S_RX_MCLK_EXT 0x00000020
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#define I2S_RX_MCLK_INT 0x00000000
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//*****************************************************************************
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//
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// Values that can be passed to I2SIntEnable(), I2SIntDisable(), and
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// I2SIntClear()
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//
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//*****************************************************************************
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#define I2S_INT_RXERR 0x00000020
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#define I2S_INT_RXREQ 0x00000010
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#define I2S_INT_TXERR 0x00000002
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#define I2S_INT_TXREQ 0x00000001
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//*****************************************************************************
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//
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// API Function prototypes
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//
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//*****************************************************************************
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extern void I2STxEnable(unsigned long ulBase);
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extern void I2STxDisable(unsigned long ulBase);
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extern void I2STxDataPut(unsigned long ulBase, unsigned long ulData);
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extern long I2STxDataPutNonBlocking(unsigned long ulBase,
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unsigned long ulData);
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extern void I2STxConfigSet(unsigned long ulBase, unsigned long ulConfig);
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extern void I2STxFIFOLimitSet(unsigned long ulBase, unsigned long ulLevel);
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extern unsigned long I2STxFIFOLimitGet(unsigned long ulBase);
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extern unsigned long I2STxFIFOLevelGet(unsigned long ulBase);
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extern void I2SRxEnable(unsigned long ulBase);
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extern void I2SRxDisable(unsigned long ulBase);
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extern void I2SRxDataGet(unsigned long ulBase, unsigned long *pulData);
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extern long I2SRxDataGetNonBlocking(unsigned long ulBase,
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unsigned long *pulData);
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extern void I2SRxConfigSet(unsigned long ulBase, unsigned long ulConfig);
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extern void I2SRxFIFOLimitSet(unsigned long ulBase, unsigned long ulLevel);
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extern unsigned long I2SRxFIFOLimitGet(unsigned long ulBase);
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extern unsigned long I2SRxFIFOLevelGet(unsigned long ulBase);
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extern void I2STxRxEnable(unsigned long ulBase);
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extern void I2STxRxDisable(unsigned long ulBase);
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extern void I2STxRxConfigSet(unsigned long ulBase, unsigned long ulConfig);
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extern void I2SMasterClockSelect(unsigned long ulBase, unsigned long ulMClock);
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extern void I2SIntEnable(unsigned long ulBase, unsigned long ulIntFlags);
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extern void I2SIntDisable(unsigned long ulBase, unsigned long ulIntFlags);
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extern unsigned long I2SIntStatus(unsigned long ulBase, tBoolean bMasked);
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extern void I2SIntClear(unsigned long ulBase, unsigned long ulIntFlags);
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extern void I2SIntRegister(unsigned long ulBase, void (*pfnHandler)(void));
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extern void I2SIntUnregister(unsigned long ulBase);
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//*****************************************************************************
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//
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// Mark the end of the C bindings section for C++ compilers.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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}
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#endif
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#endif // __I2S_H__
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