AN1105 datasheet(59/100 Pages) STMICROELECTRONICS

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ST7 pCAN PERIPHERAL DRIVER

// to give them the correct hardware format

#define REMOTE_BIT

/*Place of the remote bit in the ID field*/

#define REGISTER_SIZE 8

/*Size of a register*/

*#########################################################################*/

STRUCTURES TYPEDEF

*#########################################################################*/

//Transmission queue element

typedef struct FIFO_Object{

// Definition of the reception FIFO unit

CAN_Buffer* message; // Pointer to a CAN message structure

struct FIFO_Object* next_object;

// Pointer to the following object

in the queue

struct FIFO_Object* preceding_object;

// Pointer on the

preceding object in the queue

}FIFO_Object;

//Transmission queue

typedef struct {

// Definition of the reception FIFO type

u8 fifo_size;

// Size of the FIFO

FIFO_Object* first_object;

// Next object to be outqueued

FIFO_Object* last_object;

// Next place to fill

CAN_Bool isinuse;

// Data sharing control

} FIFO;

#ifdef FILTERS_ENABLED

//Filtering results

typedef enum {CAN_FILTER_MATCH,CAN_FILTER_NO_MATCH}CAN_Filter_Status;

#endif

//IT types

typedef enum {ITERR,ITRECEPT,ITTRANSMIT,ITSCIF}IT_Type;

//Clean error codes

typedef enum

{CAN_CLEAN_FATAL,CAN_CLEAN_SUCCESS,CAN_CLEAN_FAILURE}CAN_Clean_Error;

*#########################################################################*/

VARIABLES

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