void datalink_get_my_address ( BACNET_ADDRESS * my_address,uint8_t protocal)
{
if(protocal == BAC_MSTP || protocal == BAC_PTP)
{
dlmstp_get_my_address(my_address);
}
// else if((protocal == BAC_IP) ||(protocal == BAC_GSM))
// {
// bip_get_my_address(my_address);
// }
}
/* returns number of bytes sent on success, zero on failure */
int dlmstp_send_pdu(
BACNET_ADDRESS * dest, /* destination address */
BACNET_NPDU_DATA * npdu_data, /* network information */
uint8_t * pdu, /* any data to be sent - may be null */
unsigned pdu_len)
{ /* number of bytes of data */
int bytes_sent = 0;
unsigned npdu_len = 0;
uint8_t frame_type = 0;
uint8_t destination = 0; /* destination address */
BACNET_ADDRESS src;
unsigned i = 0; /* loop counter */
if (MSTP_Port.TxReady == false) {
if (npdu_data->data_expecting_reply)
MSTP_Port.TxFrameType = FRAME_TYPE_BACNET_DATA_EXPECTING_REPLY;
else
MSTP_Port.TxFrameType = FRAME_TYPE_BACNET_DATA_NOT_EXPECTING_REPLY;
/* load destination MAC address */
if (dest && dest->mac_len == 1) {
destination = dest->mac[0];
} else {
return -2;
}
dlmstp_get_my_address(&src);
if ((MAX_HEADER + pdu_len) > MAX_MPDU) {
return -4;
}
bytes_sent =
MSTP_Create_Frame((uint8_t *) & MSTP_Port.TxBuffer[0],
sizeof(MSTP_Port.TxBuffer), MSTP_Port.TxFrameType, destination,
MSTP_Port.This_Station, pdu, pdu_len);
MSTP_Port.TxLength = bytes_sent;
MSTP_Port.TxReady = true;
MSTP_Packets++;
}
return bytes_sent;
}
