lib_twi.h

来自「this document is source code for arm9 of」· C头文件 代码 · 共 80 行

/*-----------------------------------------------------------------------------
*      ATMEL Microcontroller Software Support  -  ROUSSET  -
*------------------------------------------------------------------------------
* The software is delivered "AS IS" without warranty or condition of any
* kind, either express, implied or statutory. This includes without
* limitation any warranty or condition with respect to merchantability or
* fitness for any particular purpose, or against the infringements of
* intellectual property rights of others.
*------------------------------------------------------------------------------
* File Name           : lib_twi.h
* Object
* 1.1 31/Jan/05 JPP   : Clean For basic:
*----------------------------------------------------------------------------*/
#ifndef lib_twi_h
#define lib_twi_h

/* Global declarations */

/* TWI Init functions */
extern void AT91F_TWI_Open(int TwiClock);


extern int AT91F_TWI_WriteSingle(const AT91PS_TWI pTwi,
                        int SlaveAddr,
                        char *data);

extern int AT91F_TWI_WriteSingleIadr(const AT91PS_TWI pTwi,
                        int SlaveAddr,
                        int IntAddr,
                        int IntAddrSize,
                        char *data);

extern int AT91F_TWI_WriteMultiple(const AT91PS_TWI pTwi,
                        int SlaveAddr,
                        char *data,
                        unsigned int NumOfBytes);

extern int AT91F_TWI_WriteMultipleIadr(const AT91PS_TWI pTwi,
                        int SlaveAddr,
                        int IntAddr,
                        int IntAddrSize,
                        char *data,
                        unsigned int NumOfBytes);

extern int AT91F_TWI_ReadSingle(const AT91PS_TWI pTwi,
                       int SlaveAddr,
                       char *data);

extern int AT91F_TWI_ReadSingleIadr(const AT91PS_TWI pTwi,
                       int SlaveAddr,
                       int IntAddr,
                       int IntAddrSize,
                       char *data);

extern int AT91F_TWI_ReadMultiple(const AT91PS_TWI pTwi,
                       int SlaveAddr,
                       unsigned int NumOfBytes,
                       char *data);

extern int AT91F_TWI_ReadMultipleIadr(const AT91PS_TWI pTwi,
                       int SlaveAddr,
                       unsigned int NumOfBytes,
                       int IntAddr,
                       int IntAddrSize,
                       char *data);

extern void AT91F_TWI_BusRecovery (const AT91PS_PIO pPio,
                            int PioID,
                            int Twck,
                            int Twd);

extern void AT91F_TWI_WaitMicroSecond (unsigned int MicroSecond);


extern int AT91F_TWI_ProbeDevices(const AT91PS_TWI pTwi, int SlaveAddr);


#endif