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https://github.com/rvtr/twl_wrapsdk.git
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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/twl_wrapsdk/trunk@256 4ee2a332-4b2b-5046-8439-1ba90f034370
173 lines
5.8 KiB
C
173 lines
5.8 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlSDK - libraries - mcu
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File: i2c.h
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Copyright 2007 Nintendo. All rights reserved.
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These coded instructions, statements, and computer programs contain
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proprietary information of Nintendo of America Inc. and/or Nintendo
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Company Ltd., and are protected by Federal copyright law. They may
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not be disclosed to third parties or copied or duplicated in any form,
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in whole or in part, without the prior written consent of Nintendo.
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$Log: $
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$NoKeywords: $
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*---------------------------------------------------------------------------*/
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#ifndef TWL_MCU_I2C_COMMON_H_
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#define TWL_MCU_I2C_COMMON_H_
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#include <twl/types.h>
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#include <twl/i2c/ARM7/i2c.h>
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#ifdef _cplusplus
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extern "C" {
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#endif
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//================================================================================
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// I2C ACCESS
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//================================================================================
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/*---------------------------------------------------------------------------*
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Name: MCUi_WriteRegister
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Description: set value to decive register through I2C.
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Arguments: reg : decive register
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data : value to be written
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Returns: None
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*---------------------------------------------------------------------------*/
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static inline BOOL MCUi_WriteRegister( u8 reg, u8 data )
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{
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return I2Ci_WriteRegister( I2C_SLAVE_MICRO_CONTROLLER, reg, data );
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}
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static inline BOOL MCU_WriteRegister( u8 reg, u8 data )
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{
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return I2C_WriteRegister( I2C_SLAVE_MICRO_CONTROLLER, reg, data );
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}
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/*---------------------------------------------------------------------------*
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Name: MCUi_ReadRegister
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Description: get value from decive register through I2C.
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Arguments: reg : decive register
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Returns: value which is read from specified decive register
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*---------------------------------------------------------------------------*/
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static inline u8 MCUi_ReadRegister( u8 reg )
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{
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return I2Ci_ReadRegister( I2C_SLAVE_MICRO_CONTROLLER, reg );
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}
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static inline u8 MCU_ReadRegister( u8 reg )
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{
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return I2C_ReadRegister( I2C_SLAVE_MICRO_CONTROLLER, reg );
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}
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/*---------------------------------------------------------------------------*
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Name: MCUi_WriteRegisters
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Description: set value to decive registers through I2C.
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Arguments: reg : decive register
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bufp : data array to be written
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size : data size
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Returns: None
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*---------------------------------------------------------------------------*/
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static inline BOOL MCUi_WriteRegisters( u8 reg, const u8 *bufp, size_t size )
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{
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return I2Ci_WriteRegisters( I2C_SLAVE_MICRO_CONTROLLER, reg, bufp, size );
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}
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static inline BOOL MCU_WriteRegisters( u8 reg, const u8 *bufp, size_t size )
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{
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return I2C_WriteRegisters( I2C_SLAVE_MICRO_CONTROLLER, reg, bufp, size );
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}
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/*---------------------------------------------------------------------------*
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Name: MCUi_ReadRegisters
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Description: get value from decive registers through I2C.
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Arguments: reg : decive register
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bufp : data array to be read
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size : data size
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Returns: value which is read from specified decive register
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*---------------------------------------------------------------------------*/
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static inline BOOL MCUi_ReadRegisters( u8 reg, u8 *bufp, size_t size )
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{
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return I2Ci_ReadRegisters( I2C_SLAVE_MICRO_CONTROLLER, reg, bufp, size );
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}
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static inline BOOL MCU_ReadRegisters( u8 reg, u8 *bufp, size_t size )
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{
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return I2C_ReadRegisters( I2C_SLAVE_MICRO_CONTROLLER, reg, bufp, size );
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}
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//================================================================================
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// I2C BIT CONTROL
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//================================================================================
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/*---------------------------------------------------------------------------*
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Name: MCUi_SetParams
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Description: set control bit to device register
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Arguments: reg : device register
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setBits : bits to set
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maskBits : bits to mask
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Returns: None
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*---------------------------------------------------------------------------*/
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static inline BOOL MCUi_SetParams( u8 reg, u8 setBits, u8 maskBits )
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{
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return I2Ci_SetParams( I2C_SLAVE_MICRO_CONTROLLER, reg, setBits, maskBits );
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}
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static inline BOOL MCU_SetParams( u8 reg, u8 setBits, u8 maskBits )
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{
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return I2C_SetParams( I2C_SLAVE_MICRO_CONTROLLER, reg, setBits, maskBits );
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}
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/*---------------------------------------------------------------------------*
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Name: MCUi_SetFlags
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Description: set control bit to device register
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Arguments: reg : device register
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setBits : bits to set
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Returns: None
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*---------------------------------------------------------------------------*/
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static inline BOOL MCUi_SetFlags( u8 reg, u8 setBits )
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{
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return MCUi_SetParams( reg, setBits, setBits );
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}
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static inline BOOL MCU_SetFlags( u8 reg, u8 setBits )
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{
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return MCU_SetParams( reg, setBits, setBits );
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}
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/*---------------------------------------------------------------------------*
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Name: MCUi_ClearFlags
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Description: clear control bit to device register
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Arguments: reg : device register
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clrBits : bits to clear
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Returns: None
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*---------------------------------------------------------------------------*/
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static inline BOOL MCUi_ClearFlags( u8 reg, u8 clrBits )
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{
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return MCUi_SetParams( reg, 0, clrBits );
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}
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static inline BOOL MCU_ClearFlags( u8 reg, u8 clrBits )
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{
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return MCU_SetParams( reg, 0, clrBits );
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}
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#ifdef _cplusplus
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} /* extern "C" */
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#endif
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/* TWL_MCU_I2C_COMMON_H_ */
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#endif
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