/*******************************************************************************
**
** Function PORT_ControlCnf
**
** Description This function is called from the RFCOMM layer when
** peer acknowleges change of the modem signals.
**
*******************************************************************************/
void PORT_ControlCnf (tRFC_MCB *p_mcb, UINT8 dlci, tPORT_CTRL *p_pars)
{
tPORT *p_port = port_find_mcb_dlci_port (p_mcb, dlci);
UINT32 event = 0;
UNUSED(p_pars);
RFCOMM_TRACE_EVENT ("PORT_ControlCnf");
if (!p_port) {
return;
}
if (!(p_port->port_ctrl & PORT_CTRL_REQ_CONFIRMED)) {
p_port->port_ctrl |= PORT_CTRL_REQ_CONFIRMED;
if (p_port->port_ctrl & PORT_CTRL_IND_RECEIVED) {
event = (p_port->ev_mask & PORT_EV_CONNECTED);
}
}
if (p_port->port_ctrl & PORT_CTRL_IND_RECEIVED) {
event |= port_rfc_send_tx_data(p_port);
}
/* execute call back function only if the application is registered for events */
if (event && p_port->p_callback) {
(p_port->p_callback)(event, p_port->inx);
}
}
/*******************************************************************************
**
** Function PORT_FlowInd
**
** Description This function is called from the RFCOMM layer on the flow
** control signal change. Propagate change to the user.
**
*******************************************************************************/
void PORT_FlowInd (tRFC_MCB *p_mcb, UINT8 dlci, BOOLEAN enable_data)
{
tPORT *p_port = (tPORT *)NULL;
UINT32 events = 0;
int i;
RFCOMM_TRACE_EVENT ("PORT_FlowInd fc:%d", enable_data);
if (dlci == 0)
{
p_mcb->peer_ready = enable_data;
}
else
{
if ((p_port = port_find_mcb_dlci_port (p_mcb, dlci)) == NULL)
return;
p_port->tx.peer_fc = !enable_data;
}
for (i = 0; i < MAX_RFC_PORTS; i++)
{
/* If DLCI is 0 event applies to all ports */
if (dlci == 0)
{
p_port = &rfc_cb.port.port[i];
if (!p_port->in_use
|| (p_port->rfc.p_mcb != p_mcb)
|| (p_port->rfc.state != RFC_STATE_OPENED))
continue;
}
events = 0;
/* Check if flow of data is still enabled */
events |= port_flow_control_user (p_port);
/* Check if data can be sent and send it */
events |= port_rfc_send_tx_data (p_port);
/* Mask out all events that are not of interest to user */
events &= p_port->ev_mask;
/* Send event to the application */
if (p_port->p_callback && events)
(p_port->p_callback)(events, p_port->inx);
/* If DLCI is not 0 event applies to one port only */
if (dlci != 0)
break;
}
}
/*******************************************************************************
**
** Function PORT_ControlInd
**
** Description This function is called from the RFCOMM layer on the modem
** signal change. Propagate change to the user.
**
*******************************************************************************/
void PORT_ControlInd (tRFC_MCB *p_mcb, UINT8 dlci, tPORT_CTRL *p_pars)
{
tPORT *p_port = port_find_mcb_dlci_port (p_mcb, dlci);
UINT32 event;
UINT8 old_signals;
RFCOMM_TRACE_EVENT ("PORT_ControlInd");
if (!p_port) {
return;
}
old_signals = p_port->peer_ctrl.modem_signal;
event = port_get_signal_changes (p_port, old_signals, p_pars->modem_signal);
p_port->peer_ctrl = *p_pars;
if (!(p_port->port_ctrl & PORT_CTRL_REQ_SENT)) {
RFCOMM_ControlReq (p_port->rfc.p_mcb, p_port->dlci, &p_port->local_ctrl);
} else {
/* If this is the first time we received control RFCOMM is connected */
if (!(p_port->port_ctrl & PORT_CTRL_IND_RECEIVED)) {
event |= (PORT_EV_CONNECTED & p_port->ev_mask);
}
if (p_port->port_ctrl & PORT_CTRL_REQ_CONFIRMED) {
event |= port_rfc_send_tx_data(p_port);
}
}
p_port->port_ctrl |= (PORT_CTRL_IND_RECEIVED | PORT_CTRL_IND_RESPONDED);
if (p_pars->break_signal) {
event |= (PORT_EV_BREAK & p_port->ev_mask);
}
/* execute call back function only if the application is registered for events */
if (event && p_port->p_callback) {
(p_port->p_callback)(event, p_port->inx);
}
RFCOMM_TRACE_EVENT ("PORT_ControlInd DTR_DSR : %d, RTS_CTS : %d, RI : %d, DCD : %d",
((p_port->peer_ctrl.modem_signal & MODEM_SIGNAL_DTRDSR) ? 1 : 0),
((p_port->peer_ctrl.modem_signal & MODEM_SIGNAL_RTSCTS) ? 1 : 0),
((p_port->peer_ctrl.modem_signal & MODEM_SIGNAL_RI) ? 1 : 0),
((p_port->peer_ctrl.modem_signal & MODEM_SIGNAL_DCD) ? 1 : 0));
}
