AN1105 datasheet(72/100 Pages) STMICROELECTRONICS

номер детали	AN1105

подробное описание детали	ST7 pCAN PERIPHERAL DRIVER

PDF	100 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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72 / 100 page

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ST7 pCAN PERIPHERAL DRIVER

for (counter=0;counter<data_size;counter++)

{

data_ptr[counter]=CANDR[counter];

}

Clr_RDY_Bit();

//Releases the buffer and clears the IT flag

return CAN_RECEIVE_SUCCESS;

}

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

ROUTINE NAME : CAN_Receive

INPUT/OUTPUT : ID of the buffer to void/Status message

DESCRIPTION : Fetches the datas received in a hardware buffer and saves them in a

soft buffer

furnished by the application.

COMMENTS

: ITs have to be disabled

Calls

CAN_Filter (optionnal)

CAN_Request_Buffer

CAN_Store_Rcvd_Msg

Possible return values : CAN_FILTERING_FAILURE

CAN_NO_BUFFER

CAN__RECEIVE_FATAL

CAN_RECEIVE_SUCCESS

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

static CAN_Receive_Error CAN_Receive(u8 num_buff_hard)

{

CAN_Buffer* soft_buffer_ptr;

CAN_Receive_Error receive_status;

u16 message_ident;

#ifdef FILTERS_ENABLED

/*Conditionnal compilation*/

CAN_Filter_Status filtering_status;

#endif

//Retrieving the ID of the message

CANPSR=num_buff_hard;

AN1105 датащи(PDF) 72 Page - STMicroelectronics