AN1105 STMicroelectronics, AN1105 Datasheet - Page 88

• Manufacturer Part Number: AN1105
• Description: ST7 PCAN PERIPHERAL DRIVER
• Manufacturer: STMicroelectronics

ST7 pCAN PERIPHERAL DRIVER
//Error status messages
//Initialisation
typedef enum {CAN_INIT_SUCCESS,CAN_INIT_FAILURE}CAN_Init_Error;
//Sleep
typedef enum
{CAN_SLEEP_FATAL,CAN_SLEEP_ERROR,CAN_SLEEP_SUCCESS,CAN_SWITCH_ON_SUCCES,CAN_
SWITCH_ON_FAILURE}CAN_Switch_Error;
//Status
typedef enum
{CAN_RUN,CAN_STANDBY,CAN_BUS_ACTIVE,CAN_BUS_PASSIVE,CAN_BUS_OFF}CAN_Status;
//Misc.
typedef enum {CFALSE=0,CTRUE=1}CAN_Bool;
//Transmission-Reception
typedef enum
{CAN_TRANSMIT_FATAL,CAN_TRANSMIT_SUCCESS,CAN_TRANSMIT_FAILURE,CAN_TRANSMIT_N
O_MSG,CAN_FIFO_FULL,CAN_TRANSMIT_BUFFER_FULL,CAN_TRANSMISSION_ERROR_IT}CAN_T
ransmit_Error;
typedef enum
{CAN_RECEIVE_FATAL,CAN_RECEIVE_SUCCESS,CAN_RECEIVE_REMOTE,CAN_ILLEGAL_IDENTI
FIER,CAN_FILTERING_FAILURE,CAN_BUFFER_IN_USE,CAN_NO_BUFFER,CAN_RCV_BUFFER_NO
T_READY}CAN_Receive_Error;
//////////////////////////////////////
//Transmission/Reception structures //
//////////////////////////////////////
//Input/output structure
typedef struct CAN_Buffer{
/////////////////////////////
//Initialization parameters//
/////////////////////////////
//Initialisation data structure
typedef struct {
88/100
u8 btr_init;
u8 brpr_init;
u8 fhr1_init;
u16 msg_identifier;
CAN_Data_Size data_size;
u8 CAN_msg_data[CAN_MAX_DATA_SIZE];
CAN_Bool buffer_rw;
CAN_Bool buffer_free; //shared variable
}CAN_Buffer;