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AN1105 Datasheet(PDF) 71 Page - STMicroelectronics

Part # AN1105
Description  ST7 pCAN PERIPHERAL DRIVER
PDF  100 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN1105 Datasheet(HTML) 71 Page - STMicroelectronics

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ST7 pCAN PERIPHERAL DRIVER
CANDR[counter]=data_ptr[counter];
}
}
counter=7;
CANDR[7]=data_ptr[counter];
}
msg_to_send_ptr->buffer_free=CTRUE;
msg_to_send_ptr->buffer_rw=CFALSE;
}
return CAN_TRANSMIT_SUCCESS;
}
/*--------------------------------------------------------------------------
ROUTINE NAME : CAN_Store_Rcvd_Msg
INPUT/OUTPUT : ID of the buffer to void/Status message
DESCRIPTION : Fetches the datas received in a hardware buffer.
COMMENTS
: ITs have to be disabled
This fuction is called by CAN_Recept, only in case of reception of datas
Priority given to SPEED here, that‘s why the code may look strange
Possible return values : CAN_ILLEGAL_IDENTIFIER
CAN_RECEIVE_SUCCESS
--------------------------------------------------------------------------*/
static CAN_Receive_Error CAN_Store_Rcvd_Msg(CAN_Buffer* dest_ptr)
{
u8* data_ptr;
u8 data_size;
//CANPSR=num_buff_hard;
data_ptr=(dest_ptr->CAN_msg_data);
data_size=(CANIDLR&0x0F);
if(data_size>8)
{
Clr_RDY_Bit();
return CAN_ILLEGAL_IDENTIFIER;
}
dest_ptr->data_size=data_size;//Saving data size
{
register u8 counter;



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