File nut/include/dev/twif.h

Included Files

Preprocessor definitions

#define _DEV_TWIF_H_

#define TWI_SETSPEED 0x0401

#define TWI_GETSPEED 0x0402

#define TWI_SETSLAVEADDRESS 0x0403

#define TWI_GETSLAVEADDRESS 0x0404

#define TWI_SETSTATUS 0x0409

#define TWI_GETSTATUS 0x040a

#define TWERR_OK 0

#define TWERR_TIMEOUT -1

#define TWERR_BUS -2

#define TWERR_IF_LOCKED -3

#define TWERR_SLA_NACK -4

#define TWERR_DATA_NACK -5

#define TWERR_OVRE -6

#define TWERR_ARBLOST -7

#define TWERR_SPCTOUT -8

#define TWERR_BUSY -9

#define TWSLA_MIN 17

#define TWSLA_MAX 79

#define TWSLA_BCAST 0

#define TWSLA_HOST 16

#define TWSLA_DEFAULT 193

#define TwInit( slv )

#define TwIOCtl( req, conf )

#define TwMasterTransact( sla, txd, txl, rxd, rxs, tmo )

#define TwMasterRegRead( sla, iadr, ial, rxd, rxs, tmo )

#define TwMasterRegWrite( sla, iadr, ial, txd, txs, tmo )

#define TwMasterError( void )

#define TwMasterIndexes( idx )

#define TwSlaveListen( sla, rxdata, rxsiz, tmo )

#define TwSlaveRespond( txdata, txlen, tmo )

#define TwSlaveError( void )

Typedef NUTTWIBUS

typedef struct _NUTTWIBUS NUTTWIBUS
See: Type struct _NUTTWIBUS

Type struct _NUTTWIBUS

struct _NUTTWIBUS
struct _NUTTWIBUS  
   {  
      uptr_t bus_base;  
      IRQ_HANDLER* bus_sig_ev;  
      IRQ_HANDLER* bus_sig_er;  
      HANDLE bus_mutex;  
      NUTTWIICB* bus_icb;  
      uint_fast8_t bus_dma_tx;  
      uint_fast8_t bus_dma_rx;  
      int (*bus_initbus)(void);  
      int (*bus_recover)(void);  
   }