lib_twi.h

this document is source code for arm9 of atmel

/*-----------------------------------------------------------------------------
*      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(int SlaveAddr,
                                 char *data);

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

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

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

extern int AT91F_TWI_ReadSingle(int SlaveAddr,
                                char *data);

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

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

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

extern int AT91F_TWI_ReadMultipleIaddr(int SlaveAddr,
                                       int IntAddr,
                                       int IntAddrSize,
                                       char *data,
                                       unsigned int NumOfBytes);

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(int SlaveAddr);


#endif