m2mb_i2c.h

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/*===============================================================================================*/
/*         >>> Copyright (C) Telit Communications S.p.A. Italy All Rights Reserved. <<<          */
#ifndef M2M_M2MB_I2C_API_H
#define M2M_M2MB_I2C_API_H


#ifdef __cplusplus
extern "C" {
#endif
 
/*-----------------------------------------------------------------------------------------------*/

/*-----------------------------------------------------------------------------------------------*/


/* Global declarations ==========================================================================*/
#define I2C_FLAG_START         0x00000001  
#define I2C_FLAG_STOP          0x00000002  
#define I2C_FLAG_WRITE         0x00000004  
#define I2C_FLAG_READ          0x00000008  
/* Global enums ==============================================================================*/

typedef enum M2MB_I2C_IOCTL_REQUEST
{
  M2MB_I2C_IOCTL_SET_CFG, 
  M2MB_I2C_IOCTL_GET_CFG  
}M2MB_I2C_IOCTL_REQUEST_T;

/* Global typedefs ==============================================================================*/

typedef void* M2MB_I2C_ID_T;

typedef struct
{
  M2MB_I2C_ID_T accessId;                                       
  UINT32                instance;                               
  UINT32                bus_Frequency_KHz;          
  UINT32                slave_Address;              
  UINT32                SMBUS_Mode;                 
  UINT32                slave_Max_Clock_Stretch_Us; 
  UINT32                core_Configuration1;        
  UINT32                core_Configuration2;        
  UINT8 *       buffer;                                 
  UINT32                length;                                 
  UINT32                transferred;                            
  UINT32                flags;                                  
} M2MB_I2C_CFG_T;

/* Global functions =============================================================================*/

/*-----------------------------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------------------------*/
INT32 m2mb_i2c_open( const CHAR *path, INT32 flags, ... );



/*-----------------------------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------------------------*/
INT32 m2mb_i2c_close( INT32 fd );



/*-----------------------------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------------------------*/
INT32 m2mb_i2c_ioctl( INT32 fd, M2MB_I2C_IOCTL_REQUEST_T request, ... );



/*-----------------------------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------------------------*/
SSIZE_T m2mb_i2c_read( INT32 fd, void *buf, SIZE_T nbyte );



/*-----------------------------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------------------------*/
SSIZE_T m2mb_i2c_write( INT32 fd, const void *buf, SIZE_T nbyte );

/*-----------------------------------------------------------------------------------------------*/


#ifdef __cplusplus
}
#endif

#endif  /* M2M_M2MB_I2C_API_H */