/******************************************************************************
*
* Copyright (C) 2010-2014 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* NFA interface for device management
*
******************************************************************************/
#include <string.h>
#include <android-base/stringprintf.h>
#include <base/logging.h>
#include "ndef_utils.h"
#include "nfa_api.h"
#include "nfa_ce_int.h"
using android::base::StringPrintf;
extern bool nfc_debug_enabled;
/*****************************************************************************
** Constants
*****************************************************************************/
/*****************************************************************************
** APIs
*****************************************************************************/
/*******************************************************************************
**
** Function NFA_Init
**
** Description This function initializes control blocks for NFA
**
** p_hal_entry_tbl points to a table of HAL entry points
**
** NOTE: the buffer that p_hal_entry_tbl points must be
** persistent until NFA is disabled.
**
** Returns none
**
*******************************************************************************/
void NFA_Init(tHAL_NFC_ENTRY* p_hal_entry_tbl) {
DLOG_IF(INFO, nfc_debug_enabled) << __func__;
nfa_sys_init();
nfa_dm_init();
nfa_p2p_init();
nfa_snep_init(false);
nfa_rw_init();
nfa_ce_init();
nfa_ee_init();
if (nfa_ee_max_ee_cfg != 0) {
nfa_dm_cb.get_max_ee = p_hal_entry_tbl->get_max_ee;
nfa_hci_init();
}
/* Initialize NFC module */
NFC_Init(p_hal_entry_tbl);
}
/*******************************************************************************
**
** Function NFA_Enable
**
** Description This function enables NFC. Prior to calling NFA_Enable,
** the NFCC must be powered up, and ready to receive commands.
** This function enables the tasks needed by NFC, opens the NCI
** transport, resets the NFC controller, downloads patches to
** the NFCC (if necessary), and initializes the NFC subsystems.
**
** This function should only be called once - typically when
** NFC is enabled during boot-up, or when NFC is enabled from a
** settings UI. Subsequent calls to NFA_Enable while NFA is
** enabling or enabled will be ignored. When the NFC startup
** procedure is completed, an NFA_DM_ENABLE_EVT is returned to
** the application using the tNFA_DM_CBACK.
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_Enable(tNFA_DM_CBACK* p_dm_cback,
tNFA_CONN_CBACK* p_conn_cback) {
tNFA_DM_API_ENABLE* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << __func__;
/* Validate parameters */
if ((!p_dm_cback) || (!p_conn_cback)) {
LOG(ERROR) << StringPrintf("error null callback");
return (NFA_STATUS_FAILED);
}
p_msg = (tNFA_DM_API_ENABLE*)GKI_getbuf(sizeof(tNFA_DM_API_ENABLE));
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_ENABLE_EVT;
p_msg->p_dm_cback = p_dm_cback;
p_msg->p_conn_cback = p_conn_cback;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_Disable
**
** Description This function is called to shutdown NFC. The tasks for NFC
** are terminated, and clean up routines are performed. This
** function is typically called during platform shut-down, or
** when NFC is disabled from a settings UI. When the NFC
** shutdown procedure is completed, an NFA_DM_DISABLE_EVT is
** returned to the application using the tNFA_DM_CBACK.
**
** The platform should wait until the NFC_DISABLE_REVT is
** received before powering down the NFC chip and NCI
** transport. This is required to so that NFA can gracefully
** shut down any open connections.
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_Disable(bool graceful) {
tNFA_DM_API_DISABLE* p_msg;
DLOG_IF(INFO, nfc_debug_enabled)
<< StringPrintf("NFA_Disable (graceful=%i)", graceful);
p_msg = (tNFA_DM_API_DISABLE*)GKI_getbuf(sizeof(tNFA_DM_API_DISABLE));
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_DISABLE_EVT;
p_msg->graceful = graceful;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_GetNCIVersion
**
** Description Returns the NCI version of the NFCC to upper layer
**
**
** Returns NCI version NCI2.0 / NCI1.0
**
*******************************************************************************/
uint8_t NFA_GetNCIVersion() { return NFC_GetNCIVersion(); }
/*******************************************************************************
**
** Function NFA_SetPowerSubStateForScreenState
**
** Description Update the power sub-state as per current screen state to
** NFCC.
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_SetPowerSubStateForScreenState(uint8_t screenState) {
DLOG_IF(INFO, nfc_debug_enabled)
<< StringPrintf("%s: state:0x%X", __func__, screenState);
uint8_t nci_scren_state = 0xFF;
uint16_t buf_size = sizeof(tNFA_DM_API_SET_POWER_SUB_STATE);
tNFA_DM_API_SET_POWER_SUB_STATE* p_msg =
(tNFA_DM_API_SET_POWER_SUB_STATE*)GKI_getbuf(buf_size);
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_SET_POWER_SUB_STATE_EVT;
switch (screenState) {
case NFA_SCREEN_STATE_ON_UNLOCKED:
nci_scren_state = SCREEN_STATE_ON_UNLOCKED;
break;
case NFA_SCREEN_STATE_OFF_UNLOCKED:
nci_scren_state = SCREEN_STATE_OFF_UNLOCKED;
break;
case NFA_SCREEN_STATE_ON_LOCKED:
nci_scren_state = SCREEN_STATE_ON_LOCKED;
break;
case NFA_SCREEN_STATE_OFF_LOCKED:
nci_scren_state = SCREEN_STATE_OFF_LOCKED;
break;
default:
DLOG_IF(INFO, nfc_debug_enabled)
<< StringPrintf("%s, unknown screen state", __func__);
break;
}
p_msg->screen_state = nci_scren_state;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_SetConfig
**
** Description Set the configuration parameters to NFCC. The result is
** reported with an NFA_DM_SET_CONFIG_EVT in the tNFA_DM_CBACK
** callback.
**
** Note: If RF discovery is started,
** NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
** happen before calling this function. Most Configuration
** parameters are related to RF discovery.
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_BUSY if previous setting is on-going
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_SetConfig(tNFA_PMID param_id, uint8_t length, uint8_t* p_data) {
tNFA_DM_API_SET_CONFIG* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("param_id:0x%X", param_id);
p_msg = (tNFA_DM_API_SET_CONFIG*)GKI_getbuf(
(uint16_t)(sizeof(tNFA_DM_API_SET_CONFIG) + length));
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_SET_CONFIG_EVT;
p_msg->param_id = param_id;
p_msg->length = length;
p_msg->p_data = (uint8_t*)(p_msg + 1);
/* Copy parameter data */
memcpy(p_msg->p_data, p_data, length);
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_GetConfig
**
** Description Get the configuration parameters from NFCC. The result is
** reported with an NFA_DM_GET_CONFIG_EVT in the tNFA_DM_CBACK
** callback.
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_GetConfig(uint8_t num_ids, tNFA_PMID* p_param_ids) {
tNFA_DM_API_GET_CONFIG* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("num_ids: %i", num_ids);
p_msg = (tNFA_DM_API_GET_CONFIG*)GKI_getbuf(
(uint16_t)(sizeof(tNFA_DM_API_GET_CONFIG) + num_ids));
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_GET_CONFIG_EVT;
p_msg->num_ids = num_ids;
p_msg->p_pmids = (tNFA_PMID*)(p_msg + 1);
/* Copy the param IDs */
memcpy(p_msg->p_pmids, p_param_ids, num_ids);
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_RequestExclusiveRfControl
**
** Description Request exclusive control of NFC.
** - Previous behavior (polling/tag reading, DH card emulation)
** will be suspended .
** - Polling and listening will be done based on the specified
** params
**
** The NFA_EXCLUSIVE_RF_CONTROL_STARTED_EVT event of
** tNFA_CONN_CBACK indicates the status of the operation.
**
** NFA_ACTIVATED_EVT and NFA_DEACTIVATED_EVT indicates link
** activation/deactivation.
**
** NFA_SendRawFrame is used to send data to the peer.
** NFA_DATA_EVT indicates data from the peer.
**
** If a tag is activated, then the NFA_RW APIs may be used to
** send commands to the tag. Incoming NDEF messages are sent to
** the NDEF callback.
**
** Once exclusive RF control has started, NFA will not activate
** LLCP internally. The application has exclusive control of
** the link.
**
** Note: If RF discovery is started,
** NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
** happen before calling this function
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_RequestExclusiveRfControl(tNFA_TECHNOLOGY_MASK poll_mask,
tNFA_LISTEN_CFG* p_listen_cfg,
tNFA_CONN_CBACK* p_conn_cback,
tNFA_NDEF_CBACK* p_ndef_cback) {
tNFA_DM_API_REQ_EXCL_RF_CTRL* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("poll_mask=0x%x", poll_mask);
if (!p_conn_cback) {
LOG(ERROR) << StringPrintf("error null callback");
return (NFA_STATUS_FAILED);
}
p_msg = (tNFA_DM_API_REQ_EXCL_RF_CTRL*)GKI_getbuf(
sizeof(tNFA_DM_API_REQ_EXCL_RF_CTRL));
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_REQUEST_EXCL_RF_CTRL_EVT;
p_msg->poll_mask = poll_mask;
p_msg->p_conn_cback = p_conn_cback;
p_msg->p_ndef_cback = p_ndef_cback;
if (p_listen_cfg)
memcpy(&p_msg->listen_cfg, p_listen_cfg, sizeof(tNFA_LISTEN_CFG));
else
memset(&p_msg->listen_cfg, 0x00, sizeof(tNFA_LISTEN_CFG));
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_ReleaseExclusiveRfControl
**
** Description Release exclusive control of NFC. Once released, behavior
** prior to obtaining exclusive RF control will resume.
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_ReleaseExclusiveRfControl(void) {
NFC_HDR* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << __func__;
if (!nfa_dm_cb.p_excl_conn_cback) {
LOG(ERROR) << StringPrintf(
"Exclusive rf control is not in "
"progress");
return (NFA_STATUS_FAILED);
}
p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
if (p_msg != NULL) {
p_msg->event = NFA_DM_API_RELEASE_EXCL_RF_CTRL_EVT;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_EnablePolling
**
** Description Enable polling for technologies specified by poll_mask.
**
** The following events (notified using the connection
** callback registered with NFA_Enable) are generated during
** polling:
**
** - NFA_POLL_ENABLED_EVT indicates whether or not polling
** successfully enabled.
** - NFA_DISC_RESULT_EVT indicates there are more than one
** devices, so application must select one of tags by calling
** NFA_Select().
** - NFA_SELECT_RESULT_EVT indicates whether previous selection
** was successful or not. If it was failed then application
** must select again or deactivate by calling
** NFA_Deactivate().
** - NFA_ACTIVATED_EVT is generated when an NFC link is
** activated.
** - NFA_NDEF_DETECT_EVT is generated if tag is activated
** - NFA_LLCP_ACTIVATED_EVT/NFA_LLCP_DEACTIVATED_EVT is
** generated if NFC-DEP is activated
** - NFA_DEACTIVATED_EVT will be returned after deactivating
** NFC link.
**
** Note: If RF discovery is started,
** NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
** happen before calling this function
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_EnablePolling(tNFA_TECHNOLOGY_MASK poll_mask) {
tNFA_DM_API_ENABLE_POLL* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("0x%X", poll_mask);
p_msg = (tNFA_DM_API_ENABLE_POLL*)GKI_getbuf(sizeof(tNFA_DM_API_ENABLE_POLL));
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_ENABLE_POLLING_EVT;
p_msg->poll_mask = poll_mask;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_DisablePolling
**
** Description Disable polling
** NFA_POLL_DISABLED_EVT will be returned after stopping
** polling.
**
** Note: If RF discovery is started,
** NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
** happen before calling this function
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_DisablePolling(void) {
NFC_HDR* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << __func__;
p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
if (p_msg != NULL) {
p_msg->event = NFA_DM_API_DISABLE_POLLING_EVT;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_EnableListening
**
** Description Enable listening.
** NFA_LISTEN_ENABLED_EVT will be returned after listening is
** allowed.
**
** The actual listening technologies are specified by other NFA
** API functions. Such functions include (but not limited to)
** NFA_CeConfigureUiccListenTech.
** If NFA_DisableListening () is called to ignore the listening
** technologies, NFA_EnableListening () is called to restore
** the listening technologies set by these functions.
**
** Note: If RF discovery is started,
** NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
** happen before calling this function
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_EnableListening(void) {
NFC_HDR* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << __func__;
p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
if (p_msg != NULL) {
p_msg->event = NFA_DM_API_ENABLE_LISTENING_EVT;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_DisableListening
**
** Description Disable listening
** NFA_LISTEN_DISABLED_EVT will be returned after stopping
** listening. This function is called to exclude listen at RF
** discovery.
**
** Note: If RF discovery is started,
** NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
** happen before calling this function
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_DisableListening(void) {
NFC_HDR* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << __func__;
p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
if (p_msg != NULL) {
p_msg->event = NFA_DM_API_DISABLE_LISTENING_EVT;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_PauseP2p
**
** Description Pause P2P services.
** NFA_P2P_PAUSED_EVT will be returned after P2P services are
** disabled.
**
** The P2P services enabled by NFA_P2p* API functions are not
** available. NFA_ResumeP2p() is called to resume the P2P
** services.
**
** Note: If RF discovery is started,
** NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
** happen before calling this function
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_PauseP2p(void) {
NFC_HDR* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << __func__;
p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
if (p_msg != NULL) {
p_msg->event = NFA_DM_API_PAUSE_P2P_EVT;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_ResumeP2p
**
** Description Resume P2P services.
** NFA_P2P_RESUMED_EVT will be returned after P2P services are.
** enables again.
**
** Note: If RF discovery is started,
** NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
** happen before calling this function
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_ResumeP2p(void) {
NFC_HDR* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << __func__;
p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
if (p_msg != NULL) {
p_msg->event = NFA_DM_API_RESUME_P2P_EVT;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_SetP2pListenTech
**
** Description This function is called to set listen technology for
** NFC-DEP. This funtion may be called before or after starting
** any server on NFA P2P/CHO/SNEP.
** If there is no technology for NFC-DEP, P2P listening will be
** stopped.
**
** NFA_SET_P2P_LISTEN_TECH_EVT without data will be returned.
**
** Note: If RF discovery is started,
** NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
** happen before calling this function
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_SetP2pListenTech(tNFA_TECHNOLOGY_MASK tech_mask) {
tNFA_DM_API_SET_P2P_LISTEN_TECH* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("tech_mask:0x%X", tech_mask);
p_msg = (tNFA_DM_API_SET_P2P_LISTEN_TECH*)GKI_getbuf(
sizeof(tNFA_DM_API_SET_P2P_LISTEN_TECH));
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_SET_P2P_LISTEN_TECH_EVT;
p_msg->tech_mask = tech_mask;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_StartRfDiscovery
**
** Description Start RF discovery
** RF discovery parameters shall be set by other APIs.
**
** An NFA_RF_DISCOVERY_STARTED_EVT indicates whether starting
** was successful or not.
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_StartRfDiscovery(void) {
NFC_HDR* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << __func__;
p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
if (p_msg != NULL) {
p_msg->event = NFA_DM_API_START_RF_DISCOVERY_EVT;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_StopRfDiscovery
**
** Description Stop RF discovery
**
** An NFA_RF_DISCOVERY_STOPPED_EVT indicates whether stopping
** was successful or not.
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_StopRfDiscovery(void) {
NFC_HDR* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << __func__;
p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
if (p_msg != NULL) {
p_msg->event = NFA_DM_API_STOP_RF_DISCOVERY_EVT;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_SetRfDiscoveryDuration
**
** Description Set the duration of the single discovery period in [ms].
** Allowable range: 0 ms to 0xFFFF ms.
**
** If discovery is already started, the application should
** call NFA_StopRfDiscovery prior to calling
** NFA_SetRfDiscoveryDuration, and then call
** NFA_StartRfDiscovery afterwards to restart discovery using
** the new duration.
**
** Note: If RF discovery is started,
** NFA_StopRfDiscovery()/NFA_RF_DISCOVERY_STOPPED_EVT should
** happen before calling this function
**
** Returns:
** NFA_STATUS_OK, if command accepted
** NFA_STATUS_FAILED: otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_SetRfDiscoveryDuration(uint16_t discovery_period_ms) {
tNFA_DM_API_SET_RF_DISC_DUR* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << __func__;
/* Post the API message */
p_msg = (tNFA_DM_API_SET_RF_DISC_DUR*)GKI_getbuf(sizeof(NFC_HDR));
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_SET_RF_DISC_DURATION_EVT;
/* Set discovery duration */
p_msg->rf_disc_dur_ms = discovery_period_ms;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_Select
**
** Description Select one from detected devices during discovery
** (from NFA_DISC_RESULT_EVTs). The application should wait for
** the final NFA_DISC_RESULT_EVT before selecting.
**
** An NFA_SELECT_RESULT_EVT indicates whether selection was
** successful or not. If failed then application must select
** again or deactivate by NFA_Deactivate().
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_INVALID_PARAM if RF interface is not matched
** protocol
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_Select(uint8_t rf_disc_id, tNFA_NFC_PROTOCOL protocol,
tNFA_INTF_TYPE rf_interface) {
tNFA_DM_API_SELECT* p_msg;
DLOG_IF(INFO, nfc_debug_enabled)
<< StringPrintf("rf_disc_id:0x%X, protocol:0x%X, rf_interface:0x%X",
rf_disc_id, protocol, rf_interface);
if (((rf_interface == NFA_INTERFACE_ISO_DEP) &&
(protocol != NFA_PROTOCOL_ISO_DEP)) ||
((rf_interface == NFA_INTERFACE_NFC_DEP) &&
(protocol != NFA_PROTOCOL_NFC_DEP))) {
LOG(ERROR) << StringPrintf("RF interface is not matched protocol");
return (NFA_STATUS_INVALID_PARAM);
}
p_msg =
(tNFA_DM_API_SELECT*)GKI_getbuf((uint16_t)(sizeof(tNFA_DM_API_SELECT)));
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_SELECT_EVT;
p_msg->rf_disc_id = rf_disc_id;
p_msg->protocol = protocol;
p_msg->rf_interface = rf_interface;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_UpdateRFCommParams
**
** Description This function is called to update RF Communication
** parameters once the Frame RF Interface has been activated.
**
** An NFA_UPDATE_RF_PARAM_RESULT_EVT indicates whether updating
** was successful or not.
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_UpdateRFCommParams(tNFA_RF_COMM_PARAMS* p_params) {
tNFA_DM_API_UPDATE_RF_PARAMS* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << __func__;
p_msg = (tNFA_DM_API_UPDATE_RF_PARAMS*)GKI_getbuf(
(uint16_t)(sizeof(tNFA_DM_API_UPDATE_RF_PARAMS)));
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_UPDATE_RF_PARAMS_EVT;
memcpy(&p_msg->params, p_params, sizeof(tNFA_RF_COMM_PARAMS));
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_Deactivate
**
** Description
** If sleep_mode=TRUE:
** Deselect the activated device by deactivating into sleep
** mode.
**
** An NFA_DEACTIVATE_FAIL_EVT indicates that selection was
** not successful. Application can select another
** discovered device or deactivate by NFA_Deactivate()
** after receiving NFA_DEACTIVATED_EVT.
**
** Deactivating to sleep mode is not allowed when NFCC is
** in wait-for-host-select mode, or in listen-sleep states;
** NFA will deactivate to idle or discovery state for these
** cases respectively.
**
**
** If sleep_mode=FALSE:
** Deactivate the connection (e.g. as a result of presence
** check failure) NFA_DEACTIVATED_EVT will indicate that
** link is deactivated. Polling/listening will resume
** (unless the nfcc is in wait_for-all-discoveries state)
**
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
extern tNFA_STATUS NFA_Deactivate(bool sleep_mode) {
tNFA_DM_API_DEACTIVATE* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("sleep_mode:%i", sleep_mode);
p_msg = (tNFA_DM_API_DEACTIVATE*)GKI_getbuf(
(uint16_t)(sizeof(tNFA_DM_API_DEACTIVATE)));
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_DEACTIVATE_EVT;
p_msg->sleep_mode = sleep_mode;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_SendRawFrame
**
** Description Send a raw frame over the activated interface with the NFCC.
** This function can only be called after NFC link is
** activated.
**
** If the activated interface is a tag and auto-presence check
** is enabled then presence_check_start_delay can be used to
** indicate the delay in msec after which the next auto
** presence check command can be sent.
** NFA_DM_DEFAULT_PRESENCE_CHECK_START_DELAY can be used as the
** default value for the delay.
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_SendRawFrame(uint8_t* p_raw_data, uint16_t data_len,
uint16_t presence_check_start_delay) {
NFC_HDR* p_msg;
uint16_t size;
uint8_t* p;
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("data_len:%d", data_len);
/* Validate parameters */
if ((data_len == 0) || (p_raw_data == NULL))
return (NFA_STATUS_INVALID_PARAM);
size = NFC_HDR_SIZE + NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE + data_len;
p_msg = (NFC_HDR*)GKI_getbuf(size);
if (p_msg != NULL) {
p_msg->event = NFA_DM_API_RAW_FRAME_EVT;
p_msg->layer_specific = presence_check_start_delay;
p_msg->offset = NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE;
p_msg->len = data_len;
p = (uint8_t*)(p_msg + 1) + p_msg->offset;
memcpy(p, p_raw_data, data_len);
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
** NDEF Handler APIs
*******************************************************************************/
/*******************************************************************************
**
** Function NFA_RegisterNDefTypeHandler
**
** Description This function allows the applications to register for
** specific types of NDEF records. When NDEF records are
** received, NFA will parse the record-type field, and pass
** the record to the registered tNFA_NDEF_CBACK.
**
** For records types which were not registered, the record will
** be sent to the default handler. A default type-handler may
** be registered by calling this NFA_RegisterNDefTypeHandler
** with tnf=NFA_TNF_DEFAULT. In this case, all un-registered
** record types will be sent to the callback. Only one default
** handler may be registered at a time.
**
** An NFA_NDEF_REGISTER_EVT will be sent to the tNFA_NDEF_CBACK
** to indicate that registration was successful, and provide a
** handle for this record type.
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_RegisterNDefTypeHandler(bool handle_whole_message, tNFA_TNF tnf,
uint8_t* p_type_name,
uint8_t type_name_len,
tNFA_NDEF_CBACK* p_ndef_cback) {
tNFA_DM_API_REG_NDEF_HDLR* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf(
"handle whole ndef message: %i, "
"tnf=0x%02x",
handle_whole_message, tnf);
/* Check for NULL callback */
if (!p_ndef_cback) {
LOG(ERROR) << StringPrintf("error - null callback");
return (NFA_STATUS_INVALID_PARAM);
}
p_msg = (tNFA_DM_API_REG_NDEF_HDLR*)GKI_getbuf(
(uint16_t)(sizeof(tNFA_DM_API_REG_NDEF_HDLR) + type_name_len));
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_REG_NDEF_HDLR_EVT;
p_msg->flags =
(handle_whole_message ? NFA_NDEF_FLAGS_HANDLE_WHOLE_MESSAGE : 0);
p_msg->tnf = tnf;
p_msg->name_len = type_name_len;
p_msg->p_ndef_cback = p_ndef_cback;
memcpy(p_msg->name, p_type_name, type_name_len);
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_RegisterNDefUriHandler
**
** Description This API is a special-case of NFA_RegisterNDefTypeHandler
** with TNF=NFA_TNF_WKT, and type_name='U' (URI record); and
** allows registering for specific URI types (e.g. 'tel:' or
** 'mailto:').
**
** An NFA_NDEF_REGISTER_EVT will be sent to the tNFA_NDEF_CBACK
** to indicate that registration was successful, and provide a
** handle for this registration.
**
** If uri_id=NFA_NDEF_URI_ID_ABSOLUTE, then p_abs_uri contains
** the unabridged URI. For all other uri_id values,
** the p_abs_uri parameter is ignored (i.e the URI prefix is
** implied by uri_id). See [NFC RTD URI] for more information.
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
extern tNFA_STATUS NFA_RegisterNDefUriHandler(bool handle_whole_message,
tNFA_NDEF_URI_ID uri_id,
uint8_t* p_abs_uri,
uint8_t uri_id_len,
tNFA_NDEF_CBACK* p_ndef_cback) {
tNFA_DM_API_REG_NDEF_HDLR* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf(
"handle whole ndef message: %i, "
"uri_id=0x%02x",
handle_whole_message, uri_id);
/* Check for NULL callback */
if (!p_ndef_cback) {
LOG(ERROR) << StringPrintf("error - null callback");
return (NFA_STATUS_INVALID_PARAM);
}
p_msg = (tNFA_DM_API_REG_NDEF_HDLR*)GKI_getbuf(
(uint16_t)(sizeof(tNFA_DM_API_REG_NDEF_HDLR) + uri_id_len));
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_REG_NDEF_HDLR_EVT;
p_msg->flags = NFA_NDEF_FLAGS_WKT_URI;
if (handle_whole_message) {
p_msg->flags |= NFA_NDEF_FLAGS_HANDLE_WHOLE_MESSAGE;
}
/* abs_uri is only valid fir uri_id=NFA_NDEF_URI_ID_ABSOLUTE */
if (uri_id != NFA_NDEF_URI_ID_ABSOLUTE) {
uri_id_len = 0;
}
p_msg->tnf = NFA_TNF_WKT;
p_msg->uri_id = uri_id;
p_msg->name_len = uri_id_len;
p_msg->p_ndef_cback = p_ndef_cback;
memcpy(p_msg->name, p_abs_uri, uri_id_len);
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_DeregisterNDefTypeHandler
**
** Description Deregister NDEF record type handler.
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
extern tNFA_STATUS NFA_DeregisterNDefTypeHandler(tNFA_HANDLE ndef_type_handle) {
tNFA_DM_API_DEREG_NDEF_HDLR* p_msg;
DLOG_IF(INFO, nfc_debug_enabled)
<< StringPrintf("handle 0x%08x", ndef_type_handle);
p_msg = (tNFA_DM_API_DEREG_NDEF_HDLR*)GKI_getbuf(
(uint16_t)(sizeof(tNFA_DM_API_DEREG_NDEF_HDLR)));
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_DEREG_NDEF_HDLR_EVT;
p_msg->ndef_type_handle = ndef_type_handle;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_PowerOffSleepMode
**
** Description This function is called to enter or leave NFCC Power Off
** Sleep mode NFA_DM_PWR_MODE_CHANGE_EVT will be sent to
** indicate status.
**
** start_stop : TRUE if entering Power Off Sleep mode
** FALSE if leaving Power Off Sleep mode
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_PowerOffSleepMode(bool start_stop) {
NFC_HDR* p_msg;
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("start_stop=%d", start_stop);
if (nfa_dm_cb.flags & NFA_DM_FLAGS_SETTING_PWR_MODE) {
LOG(ERROR) << StringPrintf("NFA DM is busy to update power mode");
return (NFA_STATUS_FAILED);
} else {
nfa_dm_cb.flags |= NFA_DM_FLAGS_SETTING_PWR_MODE;
}
p_msg = (NFC_HDR*)GKI_getbuf(sizeof(NFC_HDR));
if (p_msg != NULL) {
p_msg->event = NFA_DM_API_POWER_OFF_SLEEP_EVT;
p_msg->layer_specific = start_stop;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_RegVSCback
**
** Description This function is called to register or de-register a
** callback function to receive Proprietary NCI response and
** notification events. The maximum number of callback
** functions allowed is NFC_NUM_VS_CBACKS
**
** Returns tNFC_STATUS
**
*******************************************************************************/
tNFC_STATUS NFA_RegVSCback(bool is_register, tNFA_VSC_CBACK* p_cback) {
tNFA_DM_API_REG_VSC* p_msg;
DLOG_IF(INFO, nfc_debug_enabled)
<< StringPrintf("is_register=%d", is_register);
if (p_cback == NULL) {
LOG(ERROR) << StringPrintf("requires a valid callback function");
return (NFA_STATUS_FAILED);
}
p_msg = (tNFA_DM_API_REG_VSC*)GKI_getbuf(sizeof(tNFA_DM_API_REG_VSC));
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_REG_VSC_EVT;
p_msg->is_register = is_register;
p_msg->p_cback = p_cback;
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_SendVsCommand
**
** Description This function is called to send an NCI Vendor Specific
** command to NFCC.
**
** oid - The opcode of the VS command.
** cmd_params_len - The command parameter len
** p_cmd_params - The command parameter
** p_cback - The callback function to receive the
** command status
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_SendVsCommand(uint8_t oid, uint8_t cmd_params_len,
uint8_t* p_cmd_params, tNFA_VSC_CBACK* p_cback) {
tNFA_DM_API_SEND_VSC* p_msg;
uint16_t size = sizeof(tNFA_DM_API_SEND_VSC) + cmd_params_len;
DLOG_IF(INFO, nfc_debug_enabled) << StringPrintf("oid=0x%x", oid);
p_msg = (tNFA_DM_API_SEND_VSC*)GKI_getbuf(size);
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_SEND_VSC_EVT;
p_msg->oid = oid;
p_msg->p_cback = p_cback;
if (cmd_params_len && p_cmd_params) {
p_msg->cmd_params_len = cmd_params_len;
p_msg->p_cmd_params = (uint8_t*)(p_msg + 1);
memcpy(p_msg->p_cmd_params, p_cmd_params, cmd_params_len);
} else {
p_msg->cmd_params_len = 0;
p_msg->p_cmd_params = NULL;
}
nfa_sys_sendmsg(p_msg);
return (NFA_STATUS_OK);
}
return (NFA_STATUS_FAILED);
}
/*******************************************************************************
**
** Function NFA_SendRawVsCommand
**
** Description This function is called to send raw Vendor Specific
** command to NFCC.
**
** cmd_params_len - The command parameter len
** p_cmd_params - The command parameter
** p_cback - The callback function to receive the
** command
**
** Returns NFA_STATUS_OK if successfully initiated
** NFA_STATUS_FAILED otherwise
**
*******************************************************************************/
tNFA_STATUS NFA_SendRawVsCommand(uint8_t cmd_params_len, uint8_t* p_cmd_params,
tNFA_VSC_CBACK* p_cback) {
if (cmd_params_len == 0x00 || p_cmd_params == NULL || p_cback == NULL) {
return NFA_STATUS_INVALID_PARAM;
}
uint16_t size = sizeof(tNFA_DM_API_SEND_VSC) + cmd_params_len;
tNFA_DM_API_SEND_VSC* p_msg = (tNFA_DM_API_SEND_VSC*)GKI_getbuf(size);
if (p_msg != NULL) {
p_msg->hdr.event = NFA_DM_API_SEND_RAW_VS_EVT;
p_msg->p_cback = p_cback;
if (cmd_params_len && p_cmd_params) {
p_msg->cmd_params_len = cmd_params_len;
p_msg->p_cmd_params = (uint8_t*)(p_msg + 1);
memcpy(p_msg->p_cmd_params, p_cmd_params, cmd_params_len);
} else {
p_msg->cmd_params_len = 0;
p_msg->p_cmd_params = NULL;
}
nfa_sys_sendmsg(p_msg);
return NFA_STATUS_OK;
}
return NFA_STATUS_FAILED;
}
/*******************************************************************************
**
** Function: NFA_EnableDtamode
**
** Description: Enable DTA Mode
**
** Returns: none:
**
*******************************************************************************/
void NFA_EnableDtamode(tNFA_eDtaModes eDtaMode) {
DLOG_IF(INFO, nfc_debug_enabled)
<< StringPrintf("%s: 0x%x ", __func__, eDtaMode);
appl_dta_mode_flag = 0x01;
nfa_dm_cb.eDtaMode = eDtaMode;
}