m2mb_i2c.h

Go to the documentation of this file.

/*===============================================================================================*/
/*         >>> 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 ==========================================================================*/

/* Global enums ==============================================================================*/

typedef enum M2MB_I2C_IOCTL_REQUEST
{
  M2MB_I2C_IOCTL_SET_CFG, 
  M2MB_I2C_IOCTL_GET_CFG  
}M2MB_I2C_IOCTL_REQUEST_T;


typedef enum M2MB_I2C_MODE
{
  M2MB_I2C_MODE_SLAVE = 0,   
  M2MB_I2C_MODE_MASTER = 1   
}M2MB_I2C_MODE_T;

typedef enum M2MB_I2C_ADDR
{
  M2MB_I2C_ADDR_7BIT = 0,   
  M2MB_I2C_ADDR_10BIT = 1   
}M2MB_I2C_ADDR_T;


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

typedef struct
{
  M2MB_I2C_MODE_T   i2c_mode;                   
  M2MB_I2C_ADDR_T   i2c_addressing;             
  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, SSIZE_T nbyte );



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

/*-----------------------------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------------------------*/
INT32 m2mb_i2c_reset( INT32 fd);


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


#ifdef __cplusplus
}
#endif

#endif  /* M2M_M2MB_I2C_API_H */