642 lines
21 KiB
C
642 lines
21 KiB
C
/******************************************************************************
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*
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* Copyright (C) 1999-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* This file contains state machine and action routines for multiplexer
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* channel of the RFCOMM unit
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*
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******************************************************************************/
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#include <string.h>
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#include "gki.h"
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#include "bt_types.h"
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#include "rfcdefs.h"
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#include "l2cdefs.h"
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#include "port_api.h"
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#include "port_int.h"
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#include "l2c_api.h"
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#include "rfc_int.h"
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#include "bt_defs.h"
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#define L2CAP_SUCCESS 0
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#define L2CAP_ERROR 1
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/********************************************************************************/
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/* L O C A L F U N C T I O N P R O T O T Y P E S */
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/********************************************************************************/
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static void rfc_mx_sm_state_idle (tRFC_MCB *p_mcb, UINT16 event, void *p_data);
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static void rfc_mx_sm_state_wait_conn_cnf (tRFC_MCB *p_mcb, UINT16 event, void *p_data);
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static void rfc_mx_sm_state_configure (tRFC_MCB *p_mcb, UINT16 event, void *p_data);
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static void rfc_mx_sm_sabme_wait_ua (tRFC_MCB *p_mcb, UINT16 event, void *p_data);
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static void rfc_mx_sm_state_wait_sabme (tRFC_MCB *p_mcb, UINT16 event, void *p_data);
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static void rfc_mx_sm_state_connected (tRFC_MCB *p_mcb, UINT16 event, void *p_data);
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static void rfc_mx_sm_state_disc_wait_ua (tRFC_MCB *p_mcb, UINT16 event, void *p_data);
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static void rfc_mx_send_config_req (tRFC_MCB *p_mcb);
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static void rfc_mx_conf_ind (tRFC_MCB *p_mcb, tL2CAP_CFG_INFO *p_cfg);
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static void rfc_mx_conf_cnf (tRFC_MCB *p_mcb, tL2CAP_CFG_INFO *p_cfg);
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/*******************************************************************************
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**
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** Function rfc_mx_sm_execute
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**
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** Description This function sends multiplexor events through the state
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** machine.
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**
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** Returns void
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**
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*******************************************************************************/
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void rfc_mx_sm_execute (tRFC_MCB *p_mcb, UINT16 event, void *p_data)
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{
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switch (p_mcb->state) {
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case RFC_MX_STATE_IDLE:
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rfc_mx_sm_state_idle (p_mcb, event, p_data);
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break;
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case RFC_MX_STATE_WAIT_CONN_CNF:
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rfc_mx_sm_state_wait_conn_cnf (p_mcb, event, p_data);
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break;
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case RFC_MX_STATE_CONFIGURE:
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rfc_mx_sm_state_configure (p_mcb, event, p_data);
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break;
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case RFC_MX_STATE_SABME_WAIT_UA:
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rfc_mx_sm_sabme_wait_ua (p_mcb, event, p_data);
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break;
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case RFC_MX_STATE_WAIT_SABME:
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rfc_mx_sm_state_wait_sabme (p_mcb, event, p_data);
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break;
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case RFC_MX_STATE_CONNECTED:
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rfc_mx_sm_state_connected (p_mcb, event, p_data);
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break;
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case RFC_MX_STATE_DISC_WAIT_UA:
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rfc_mx_sm_state_disc_wait_ua (p_mcb, event, p_data);
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break;
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}
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}
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/*******************************************************************************
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**
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** Function rfc_mx_sm_state_idle
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**
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** Description This function handles events when the multiplexer is in
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** IDLE state. This state exists when connection is being
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** initially established.
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**
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** Returns void
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**
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*******************************************************************************/
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void rfc_mx_sm_state_idle (tRFC_MCB *p_mcb, UINT16 event, void *p_data)
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{
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RFCOMM_TRACE_EVENT ("rfc_mx_sm_state_idle - evt:%d", event);
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switch (event) {
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case RFC_MX_EVENT_START_REQ:
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/* Initialize L2CAP MTU */
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p_mcb->peer_l2cap_mtu = L2CAP_DEFAULT_MTU - RFCOMM_MIN_OFFSET - 1;
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if ((p_mcb->lcid = L2CA_ConnectReq (BT_PSM_RFCOMM, p_mcb->bd_addr)) == 0) {
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PORT_StartCnf (p_mcb, RFCOMM_ERROR);
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return;
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}
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/* Save entry for quicker access to mcb based on the LCID */
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rfc_save_lcid_mcb (p_mcb, p_mcb->lcid);
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p_mcb->state = RFC_MX_STATE_WAIT_CONN_CNF;
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return;
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case RFC_MX_EVENT_START_RSP:
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case RFC_MX_EVENT_CONN_CNF:
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case RFC_MX_EVENT_CONF_IND:
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case RFC_MX_EVENT_CONF_CNF:
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RFCOMM_TRACE_ERROR ("Mx error state %d event %d", p_mcb->state, event);
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return;
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case RFC_MX_EVENT_CONN_IND:
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rfc_timer_start (p_mcb, RFCOMM_CONN_TIMEOUT);
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L2CA_ConnectRsp (p_mcb->bd_addr, *((UINT8 *)p_data), p_mcb->lcid, L2CAP_CONN_OK, 0);
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rfc_mx_send_config_req (p_mcb);
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p_mcb->state = RFC_MX_STATE_CONFIGURE;
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return;
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case RFC_EVENT_SABME:
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break;
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case RFC_EVENT_UA:
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case RFC_EVENT_DM:
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return;
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case RFC_EVENT_DISC:
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rfc_send_dm (p_mcb, RFCOMM_MX_DLCI, TRUE);
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return;
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case RFC_EVENT_UIH:
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rfc_send_dm (p_mcb, RFCOMM_MX_DLCI, FALSE);
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return;
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}
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RFCOMM_TRACE_EVENT ("RFCOMM MX ignored - evt:%d in state:%d", event, p_mcb->state);
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}
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/*******************************************************************************
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**
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** Function rfc_mx_sm_state_wait_conn_cnf
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**
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** Description This function handles events when the multiplexer is
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** waiting for Connection Confirm from L2CAP.
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**
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** Returns void
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**
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*******************************************************************************/
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void rfc_mx_sm_state_wait_conn_cnf (tRFC_MCB *p_mcb, UINT16 event, void *p_data)
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{
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RFCOMM_TRACE_EVENT ("rfc_mx_sm_state_wait_conn_cnf - evt:%d", event);
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switch (event) {
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case RFC_MX_EVENT_START_REQ:
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RFCOMM_TRACE_ERROR ("Mx error state %d event %d", p_mcb->state, event);
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return;
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/* There is some new timing so that Config Ind comes before security is completed
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so we are still waiting fo the confirmation. */
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case RFC_MX_EVENT_CONF_IND:
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rfc_mx_conf_ind (p_mcb, (tL2CAP_CFG_INFO *)p_data);
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return;
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case RFC_MX_EVENT_CONN_CNF:
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if (*((UINT16 *)p_data) != L2CAP_SUCCESS) {
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p_mcb->state = RFC_MX_STATE_IDLE;
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PORT_StartCnf (p_mcb, *((UINT16 *)p_data));
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return;
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}
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p_mcb->state = RFC_MX_STATE_CONFIGURE;
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rfc_mx_send_config_req (p_mcb);
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return;
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case RFC_MX_EVENT_DISC_IND:
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p_mcb->state = RFC_MX_STATE_IDLE;
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PORT_CloseInd (p_mcb);
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return;
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case RFC_EVENT_TIMEOUT:
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p_mcb->state = RFC_MX_STATE_IDLE;
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L2CA_DisconnectReq (p_mcb->lcid);
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/* we gave up outgoing connection request then try peer's request */
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if (p_mcb->pending_lcid) {
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UINT16 i;
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UINT8 idx;
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RFCOMM_TRACE_DEBUG ("RFCOMM MX retry as acceptor in collision case - evt:%d in state:%d", event, p_mcb->state);
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rfc_save_lcid_mcb (NULL, p_mcb->lcid);
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p_mcb->lcid = p_mcb->pending_lcid;
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rfc_save_lcid_mcb (p_mcb, p_mcb->lcid);
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p_mcb->is_initiator = FALSE;
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/* update direction bit */
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for (i = 0; i < RFCOMM_MAX_DLCI; i += 2) {
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if ((idx = p_mcb->port_inx[i]) != 0) {
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p_mcb->port_inx[i] = 0;
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p_mcb->port_inx[i + 1] = idx;
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rfc_cb.port.port[idx - 1].dlci += 1;
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RFCOMM_TRACE_DEBUG ("RFCOMM MX - DLCI:%d -> %d", i, rfc_cb.port.port[idx - 1].dlci);
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}
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}
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rfc_mx_sm_execute (p_mcb, RFC_MX_EVENT_CONN_IND, &(p_mcb->pending_id));
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} else {
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PORT_CloseInd (p_mcb);
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}
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return;
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}
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RFCOMM_TRACE_EVENT ("RFCOMM MX ignored - evt:%d in state:%d", event, p_mcb->state);
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}
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/*******************************************************************************
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**
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** Function rfc_mx_sm_state_configure
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**
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** Description This function handles events when the multiplexer in the
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** configuration state.
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**
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** Returns void
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**
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*******************************************************************************/
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void rfc_mx_sm_state_configure (tRFC_MCB *p_mcb, UINT16 event, void *p_data)
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{
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RFCOMM_TRACE_EVENT ("rfc_mx_sm_state_configure - evt:%d", event);
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switch (event) {
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case RFC_MX_EVENT_START_REQ:
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case RFC_MX_EVENT_CONN_CNF:
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RFCOMM_TRACE_ERROR ("Mx error state %d event %d", p_mcb->state, event);
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return;
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case RFC_MX_EVENT_CONF_IND:
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rfc_mx_conf_ind (p_mcb, (tL2CAP_CFG_INFO *)p_data);
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return;
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case RFC_MX_EVENT_CONF_CNF:
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rfc_mx_conf_cnf (p_mcb, (tL2CAP_CFG_INFO *)p_data);
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return;
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case RFC_MX_EVENT_DISC_IND:
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p_mcb->state = RFC_MX_STATE_IDLE;
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PORT_CloseInd (p_mcb);
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return;
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case RFC_EVENT_TIMEOUT:
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p_mcb->state = RFC_MX_STATE_IDLE;
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L2CA_DisconnectReq (p_mcb->lcid);
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PORT_StartCnf (p_mcb, RFCOMM_ERROR);
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return;
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}
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RFCOMM_TRACE_EVENT ("RFCOMM MX ignored - evt:%d in state:%d", event, p_mcb->state);
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}
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/*******************************************************************************
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**
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** Function rfc_mx_sm_sabme_wait_ua
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**
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** Description This function handles events when the multiplexer sent
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** SABME and is waiting for UA reply.
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**
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** Returns void
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**
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*******************************************************************************/
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void rfc_mx_sm_sabme_wait_ua (tRFC_MCB *p_mcb, UINT16 event, void *p_data)
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{
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UNUSED(p_data);
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RFCOMM_TRACE_EVENT ("rfc_mx_sm_sabme_wait_ua - evt:%d", event);
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switch (event) {
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case RFC_MX_EVENT_START_REQ:
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case RFC_MX_EVENT_CONN_CNF:
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RFCOMM_TRACE_ERROR ("Mx error state %d event %d", p_mcb->state, event);
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return;
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/* workaround: we don't support reconfig */
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/* commented out until we support reconfig
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case RFC_MX_EVENT_CONF_IND:
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rfc_mx_conf_ind (p_mcb, (tL2CAP_CFG_INFO *)p_data);
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return;
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case RFC_MX_EVENT_CONF_CNF:
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rfc_mx_conf_cnf (p_mcb, (tL2CAP_CFG_INFO *)p_data);
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return;
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*/
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case RFC_MX_EVENT_DISC_IND:
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p_mcb->state = RFC_MX_STATE_IDLE;
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PORT_CloseInd (p_mcb);
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return;
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case RFC_EVENT_UA:
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rfc_timer_stop (p_mcb);
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p_mcb->state = RFC_MX_STATE_CONNECTED;
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p_mcb->peer_ready = TRUE;
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PORT_StartCnf (p_mcb, RFCOMM_SUCCESS);
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return;
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case RFC_EVENT_DM:
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rfc_timer_stop (p_mcb);
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/* Case falls through */
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case RFC_MX_EVENT_CONF_IND: /* workaround: we don't support reconfig */
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case RFC_MX_EVENT_CONF_CNF: /* workaround: we don't support reconfig */
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case RFC_EVENT_TIMEOUT:
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p_mcb->state = RFC_MX_STATE_IDLE;
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L2CA_DisconnectReq (p_mcb->lcid);
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PORT_StartCnf (p_mcb, RFCOMM_ERROR);
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return;
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}
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RFCOMM_TRACE_EVENT ("RFCOMM MX ignored - evt:%d in state:%d", event, p_mcb->state);
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}
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/*******************************************************************************
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**
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** Function rfc_mx_sm_state_wait_sabme
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**
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** Description This function handles events when the multiplexer is
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** waiting for SABME on the acceptor side after configuration
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**
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** Returns void
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**
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*******************************************************************************/
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void rfc_mx_sm_state_wait_sabme (tRFC_MCB *p_mcb, UINT16 event, void *p_data)
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{
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RFCOMM_TRACE_EVENT ("rfc_mx_sm_state_wait_sabme - evt:%d", event);
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switch (event) {
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case RFC_MX_EVENT_DISC_IND:
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p_mcb->state = RFC_MX_STATE_IDLE;
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PORT_CloseInd (p_mcb);
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return;
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case RFC_EVENT_SABME:
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/* if we gave up outgoing connection request */
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if (p_mcb->pending_lcid) {
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p_mcb->pending_lcid = 0;
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rfc_send_ua (p_mcb, RFCOMM_MX_DLCI);
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rfc_timer_stop (p_mcb);
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p_mcb->state = RFC_MX_STATE_CONNECTED;
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p_mcb->peer_ready = TRUE;
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/* MX channel collision has been resolved, continue to open ports */
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PORT_StartCnf (p_mcb, RFCOMM_SUCCESS);
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} else {
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rfc_timer_stop (p_mcb);
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PORT_StartInd (p_mcb);
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}
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return;
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case RFC_MX_EVENT_START_RSP:
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if (*((UINT16 *)p_data) != RFCOMM_SUCCESS) {
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rfc_send_dm (p_mcb, RFCOMM_MX_DLCI, TRUE);
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} else {
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rfc_send_ua (p_mcb, RFCOMM_MX_DLCI);
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p_mcb->state = RFC_MX_STATE_CONNECTED;
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p_mcb->peer_ready = TRUE;
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}
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return;
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case RFC_MX_EVENT_CONF_IND: /* workaround: we don't support reconfig */
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case RFC_MX_EVENT_CONF_CNF: /* workaround: we don't support reconfig */
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case RFC_EVENT_TIMEOUT:
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p_mcb->state = RFC_MX_STATE_IDLE;
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L2CA_DisconnectReq (p_mcb->lcid);
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PORT_CloseInd (p_mcb);
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return;
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}
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RFCOMM_TRACE_EVENT ("RFCOMM MX ignored - evt:%d in state:%d", event, p_mcb->state);
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}
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/*******************************************************************************
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**
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** Function rfc_mx_sm_state_connected
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**
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** Description This function handles events when the multiplexer is
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** in the CONNECTED state
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**
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** Returns void
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**
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*******************************************************************************/
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void rfc_mx_sm_state_connected (tRFC_MCB *p_mcb, UINT16 event, void *p_data)
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{
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UNUSED(p_data);
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RFCOMM_TRACE_EVENT ("rfc_mx_sm_state_connected - evt:%d", event);
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switch (event) {
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case RFC_EVENT_TIMEOUT:
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case RFC_MX_EVENT_CLOSE_REQ:
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rfc_timer_start (p_mcb, RFC_DISC_TIMEOUT);
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p_mcb->state = RFC_MX_STATE_DISC_WAIT_UA;
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rfc_send_disc (p_mcb, RFCOMM_MX_DLCI);
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return;
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case RFC_MX_EVENT_DISC_IND:
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p_mcb->state = RFC_MX_STATE_IDLE;
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PORT_CloseInd (p_mcb);
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return;
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case RFC_EVENT_DISC:
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/* Reply with UA. If initiator bring down L2CAP connection */
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/* If server wait for some time if client decide to reinitiate channel */
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rfc_send_ua (p_mcb, RFCOMM_MX_DLCI);
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if (p_mcb->is_initiator) {
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L2CA_DisconnectReq (p_mcb->lcid);
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}
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/* notify all ports that connection is gone */
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PORT_CloseInd (p_mcb);
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return;
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}
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RFCOMM_TRACE_EVENT ("RFCOMM MX ignored - evt:%d in state:%d", event, p_mcb->state);
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}
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/*******************************************************************************
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**
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** Function rfc_mx_sm_state_disc_wait_ua
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**
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** Description This function handles events when the multiplexer sent
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** DISC and is waiting for UA reply.
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**
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** Returns void
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**
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*******************************************************************************/
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void rfc_mx_sm_state_disc_wait_ua (tRFC_MCB *p_mcb, UINT16 event, void *p_data)
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{
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BT_HDR *p_buf;
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RFCOMM_TRACE_EVENT ("rfc_mx_sm_state_disc_wait_ua - evt:%d", event);
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switch (event) {
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case RFC_EVENT_UA:
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case RFC_EVENT_DM:
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case RFC_EVENT_TIMEOUT:
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L2CA_DisconnectReq (p_mcb->lcid);
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if (p_mcb->restart_required) {
|
|
/* Start Request was received while disconnecting. Execute it again */
|
|
if ((p_mcb->lcid = L2CA_ConnectReq (BT_PSM_RFCOMM, p_mcb->bd_addr)) == 0) {
|
|
PORT_StartCnf (p_mcb, RFCOMM_ERROR);
|
|
return;
|
|
}
|
|
/* Save entry for quicker access to mcb based on the LCID */
|
|
rfc_save_lcid_mcb (p_mcb, p_mcb->lcid);
|
|
|
|
/* clean up before reuse it */
|
|
while ((p_buf = (BT_HDR *)GKI_dequeue(&p_mcb->cmd_q)) != NULL) {
|
|
GKI_freebuf(p_buf);
|
|
}
|
|
|
|
rfc_timer_start (p_mcb, RFC_MCB_INIT_INACT_TIMER);
|
|
|
|
p_mcb->is_initiator = TRUE;
|
|
p_mcb->restart_required = FALSE;
|
|
p_mcb->local_cfg_sent = FALSE;
|
|
p_mcb->peer_cfg_rcvd = FALSE;
|
|
|
|
p_mcb->state = RFC_MX_STATE_WAIT_CONN_CNF;
|
|
return;
|
|
}
|
|
rfc_release_multiplexer_channel (p_mcb);
|
|
return;
|
|
|
|
case RFC_EVENT_DISC:
|
|
rfc_send_ua (p_mcb, RFCOMM_MX_DLCI);
|
|
return;
|
|
|
|
case RFC_EVENT_UIH:
|
|
GKI_freebuf (p_data);
|
|
rfc_send_dm (p_mcb, RFCOMM_MX_DLCI, FALSE);
|
|
return;
|
|
|
|
case RFC_MX_EVENT_START_REQ:
|
|
p_mcb->restart_required = TRUE;
|
|
return;
|
|
|
|
case RFC_MX_EVENT_DISC_IND:
|
|
p_mcb->state = RFC_MX_STATE_IDLE;
|
|
PORT_CloseInd (p_mcb);
|
|
return;
|
|
|
|
case RFC_MX_EVENT_CLOSE_REQ:
|
|
return;
|
|
|
|
case RFC_MX_EVENT_QOS_VIOLATION_IND:
|
|
break;
|
|
}
|
|
RFCOMM_TRACE_EVENT ("RFCOMM MX ignored - evt:%d in state:%d", event, p_mcb->state);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function rfc_mx_send_config_req
|
|
**
|
|
** Description This function handles L2CA_ConnectInd message from the
|
|
** L2CAP. Accept connection.
|
|
**
|
|
*******************************************************************************/
|
|
static void rfc_mx_send_config_req (tRFC_MCB *p_mcb)
|
|
{
|
|
tL2CAP_CFG_INFO cfg;
|
|
|
|
RFCOMM_TRACE_EVENT ("rfc_mx_send_config_req");
|
|
|
|
memset (&cfg, 0, sizeof (tL2CAP_CFG_INFO));
|
|
|
|
cfg.mtu_present = TRUE;
|
|
cfg.mtu = L2CAP_MTU_SIZE;
|
|
|
|
/* Defaults set by memset
|
|
cfg.flush_to_present = FALSE;
|
|
cfg.qos_present = FALSE;
|
|
cfg.fcr_present = FALSE;
|
|
cfg.fcr.mode = L2CAP_FCR_BASIC_MODE;
|
|
cfg.fcs_present = FALSE;
|
|
cfg.fcs = N/A when fcs_present is FALSE;
|
|
*/
|
|
L2CA_ConfigReq (p_mcb->lcid, &cfg);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function rfc_mx_conf_cnf
|
|
**
|
|
** Description This function handles L2CA_ConfigCnf message from the
|
|
** L2CAP. If result is not success tell upper layer that
|
|
** start has not been accepted. If initiator send SABME
|
|
** on DLCI 0. T1 is still running.
|
|
**
|
|
*******************************************************************************/
|
|
static void rfc_mx_conf_cnf (tRFC_MCB *p_mcb, tL2CAP_CFG_INFO *p_cfg)
|
|
{
|
|
RFCOMM_TRACE_EVENT ("rfc_mx_conf_cnf p_cfg:%08x res:%d ", p_cfg, (p_cfg) ? p_cfg->result : 0);
|
|
|
|
if (p_cfg->result != L2CAP_CFG_OK) {
|
|
if (p_mcb->is_initiator) {
|
|
PORT_StartCnf (p_mcb, p_cfg->result);
|
|
L2CA_DisconnectReq (p_mcb->lcid);
|
|
}
|
|
rfc_release_multiplexer_channel (p_mcb);
|
|
return;
|
|
}
|
|
|
|
p_mcb->local_cfg_sent = TRUE;
|
|
if ((p_mcb->state == RFC_MX_STATE_CONFIGURE) && p_mcb->peer_cfg_rcvd) {
|
|
if (p_mcb->is_initiator) {
|
|
p_mcb->state = RFC_MX_STATE_SABME_WAIT_UA;
|
|
rfc_send_sabme (p_mcb, RFCOMM_MX_DLCI);
|
|
rfc_timer_start (p_mcb, RFC_T1_TIMEOUT);
|
|
} else {
|
|
p_mcb->state = RFC_MX_STATE_WAIT_SABME;
|
|
rfc_timer_start (p_mcb, RFCOMM_CONN_TIMEOUT); /* - increased from T2=20 to CONN=120
|
|
to allow the user more than 10 sec to type in the
|
|
pin which can be e.g. 16 digits */
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function rfc_mx_conf_ind
|
|
**
|
|
** Description This function handles L2CA_ConfigInd message from the
|
|
** L2CAP. Send the L2CA_ConfigRsp message.
|
|
**
|
|
*******************************************************************************/
|
|
static void rfc_mx_conf_ind (tRFC_MCB *p_mcb, tL2CAP_CFG_INFO *p_cfg)
|
|
{
|
|
/* Save peer L2CAP MTU if present */
|
|
/* RFCOMM adds 3-4 bytes in the beginning and 1 bytes FCS */
|
|
if (p_cfg->mtu_present) {
|
|
p_mcb->peer_l2cap_mtu = p_cfg->mtu - RFCOMM_MIN_OFFSET - 1;
|
|
} else {
|
|
p_mcb->peer_l2cap_mtu = L2CAP_DEFAULT_MTU - RFCOMM_MIN_OFFSET - 1;
|
|
}
|
|
|
|
p_cfg->mtu_present = FALSE;
|
|
p_cfg->flush_to_present = FALSE;
|
|
p_cfg->qos_present = FALSE;
|
|
|
|
p_cfg->result = L2CAP_CFG_OK;
|
|
|
|
L2CA_ConfigRsp (p_mcb->lcid, p_cfg);
|
|
|
|
p_mcb->peer_cfg_rcvd = TRUE;
|
|
if ((p_mcb->state == RFC_MX_STATE_CONFIGURE) && p_mcb->local_cfg_sent) {
|
|
if (p_mcb->is_initiator) {
|
|
p_mcb->state = RFC_MX_STATE_SABME_WAIT_UA;
|
|
rfc_send_sabme (p_mcb, RFCOMM_MX_DLCI);
|
|
rfc_timer_start (p_mcb, RFC_T1_TIMEOUT);
|
|
} else {
|
|
p_mcb->state = RFC_MX_STATE_WAIT_SABME;
|
|
rfc_timer_start (p_mcb, RFCOMM_CONN_TIMEOUT); /* - increased from T2=20 to CONN=120
|
|
to allow the user more than 10 sec to type in the
|
|
pin which can be e.g. 16 digits */
|
|
}
|
|
}
|
|
}
|