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Modified the API between mstp and dlmstp to better handler multiple MS/TP ports.

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This commit is contained in:
skarg
2007-07-16 14:19:49 +00:00
parent d9e1af4b2e
commit 382766d7c4
5 changed files with 54 additions and 43 deletions
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bacnet-stack/ports/win32/dlmstp.c
+19 -9
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@@ -208,21 +208,31 @@ void dlmstp_fill_bacnet_address(BACNET_ADDRESS * src, uint8_t mstp_address)
}
/* for the MS/TP state machine to use for putting received data */
uint16_t dlmstp_put_receive(uint8_t src, /* source MS/TP address */
uint8_t * pdu, /* PDU data */
uint16_t pdu_len)
{ /* amount of PDU data */
/* PDU is already in the Receive_Packet */
dlmstp_fill_bacnet_address(&Receive_Packet.address, src);
Receive_Packet.pdu_len = pdu_len;
Receive_Packet.ready = true;
uint16_t MSTP_Put_Receive(
volatile struct mstp_port_struct_t *mstp_port)
{
uint16_t pdu_len = 0;
if (!Receive_Packet.ready) {
/* bounds check - maybe this should send an abort? */
pdu_len = mstp_port->DataLength;
if (pdu_len > sizeof(Receive_Packet.pdu))
pdu_len = sizeof(Receive_Packet.pdu);
memmove((void *) & Receive_Packet.pdu[0],
(void *) & mstp_port->InputBuffer[0],
pdu_len);
dlmstp_fill_bacnet_address(&Receive_Packet.address,
mstp_port->SourceAddress);
Receive_Packet.pdu_len = mstp_port->DataLength;
Receive_Packet.ready = true;
}
return pdu_len;
}
/* for the MS/TP state machine to use for getting data to send */
/* Return: amount of PDU data */
uint16_t dlmstp_get_send(
uint16_t MSTP_Get_Send(
uint8_t src, /* source MS/TP address for creating packet */
uint8_t * pdu, /* data to send */
uint16_t max_pdu, /* amount of space available */