| /****************************************************************************** |
| * |
| * Copyright (C) 2010-2012 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. |
| * |
| ******************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * This file contains functions that interface with the NFC NCI transport. |
| * On the receive side, it routes events to the appropriate handler |
| * (callback). On the transmit side, it manages the command transmission. |
| * |
| ******************************************************************************/ |
| #include <string.h> |
| #include "gki.h" |
| #include "nfc_target.h" |
| #include "bt_types.h" |
| #include "hcidefs.h" |
| |
| #if (NFC_INCLUDED == TRUE) |
| #include "nfc_hal_api.h" |
| #include "nfc_api.h" |
| #include "nfc_int.h" |
| #include "nci_hmsgs.h" |
| #include "rw_int.h" |
| #include "ce_int.h" |
| |
| #if (NFC_RW_ONLY == FALSE) |
| #include "ce_api.h" |
| #include "ce_int.h" |
| #include "llcp_int.h" |
| |
| /* NFC mandates support for at least one logical connection; |
| * Update max_conn to the NFCC capability on InitRsp */ |
| #define NFC_SET_MAX_CONN_DEFAULT() {nfc_cb.max_conn = 1;} |
| |
| #else /* NFC_RW_ONLY */ |
| #define ce_init() |
| #define llcp_init() |
| |
| #define NFC_SET_MAX_CONN_DEFAULT() |
| |
| #endif /* NFC_RW_ONLY */ |
| /**************************************************************************** |
| ** Declarations |
| ****************************************************************************/ |
| #if NFC_DYNAMIC_MEMORY == FALSE |
| tNFC_CB nfc_cb; |
| #endif |
| |
| #if (NFC_RW_ONLY == FALSE) |
| #define NFC_NUM_INTERFACE_MAP 2 |
| #else |
| #define NFC_NUM_INTERFACE_MAP 1 |
| #endif |
| |
| static const tNCI_DISCOVER_MAPS nfc_interface_mapping[NFC_NUM_INTERFACE_MAP] = |
| { |
| /* Protocols that use Frame Interface do not need to be included in the interface mapping */ |
| { |
| NCI_PROTOCOL_ISO_DEP, |
| NCI_INTERFACE_MODE_POLL_N_LISTEN, |
| NCI_INTERFACE_ISO_DEP |
| } |
| #if (NFC_RW_ONLY == FALSE) |
| , |
| /* this can not be set here due to 2079xB0 NFCC issues */ |
| { |
| NCI_PROTOCOL_NFC_DEP, |
| NCI_INTERFACE_MODE_POLL_N_LISTEN, |
| NCI_INTERFACE_NFC_DEP |
| } |
| #endif |
| }; |
| |
| |
| #if (BT_TRACE_VERBOSE == TRUE) |
| /******************************************************************************* |
| ** |
| ** Function nfc_state_name |
| ** |
| ** Description This function returns the state name. |
| ** |
| ** NOTE conditionally compiled to save memory. |
| ** |
| ** Returns pointer to the name |
| ** |
| *******************************************************************************/ |
| static char *nfc_state_name (UINT8 state) |
| { |
| switch (state) |
| { |
| case NFC_STATE_NONE: |
| return ("NONE"); |
| case NFC_STATE_W4_HAL_OPEN: |
| return ("W4_HAL_OPEN"); |
| case NFC_STATE_CORE_INIT: |
| return ("CORE_INIT"); |
| case NFC_STATE_W4_POST_INIT_CPLT: |
| return ("W4_POST_INIT_CPLT"); |
| case NFC_STATE_IDLE: |
| return ("IDLE"); |
| case NFC_STATE_OPEN: |
| return ("OPEN"); |
| case NFC_STATE_CLOSING: |
| return ("CLOSING"); |
| case NFC_STATE_W4_HAL_CLOSE: |
| return ("W4_HAL_CLOSE"); |
| case NFC_STATE_NFCC_POWER_OFF_SLEEP: |
| return ("NFCC_POWER_OFF_SLEEP"); |
| default: |
| return ("???? UNKNOWN STATE"); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_hal_event_name |
| ** |
| ** Description This function returns the HAL event name. |
| ** |
| ** NOTE conditionally compiled to save memory. |
| ** |
| ** Returns pointer to the name |
| ** |
| *******************************************************************************/ |
| static char *nfc_hal_event_name (UINT8 event) |
| { |
| switch (event) |
| { |
| case HAL_NFC_OPEN_CPLT_EVT: |
| return ("HAL_NFC_OPEN_CPLT_EVT"); |
| |
| case HAL_NFC_CLOSE_CPLT_EVT: |
| return ("HAL_NFC_CLOSE_CPLT_EVT"); |
| |
| case HAL_NFC_POST_INIT_CPLT_EVT: |
| return ("HAL_NFC_POST_INIT_CPLT_EVT"); |
| |
| case HAL_NFC_PRE_DISCOVER_CPLT_EVT: |
| return ("HAL_NFC_PRE_DISCOVER_CPLT_EVT"); |
| |
| case HAL_NFC_REQUEST_CONTROL_EVT: |
| return ("HAL_NFC_REQUEST_CONTROL_EVT"); |
| |
| case HAL_NFC_RELEASE_CONTROL_EVT: |
| return ("HAL_NFC_RELEASE_CONTROL_EVT"); |
| |
| case HAL_NFC_ERROR_EVT: |
| return ("HAL_NFC_ERROR_EVT"); |
| |
| default: |
| return ("???? UNKNOWN EVENT"); |
| } |
| } |
| #endif /* BT_TRACE_VERBOSE == TRUE */ |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_main_notify_enable_status |
| ** |
| ** Description Notify status of Enable/PowerOffSleep/PowerCycle |
| ** |
| *******************************************************************************/ |
| static void nfc_main_notify_enable_status (tNFC_STATUS nfc_status) |
| { |
| tNFC_RESPONSE evt_data; |
| |
| evt_data.status = nfc_status; |
| |
| if (nfc_cb.p_resp_cback) |
| { |
| /* if getting out of PowerOffSleep mode or restarting NFCC */ |
| if (nfc_cb.flags & (NFC_FL_RESTARTING|NFC_FL_POWER_CYCLE_NFCC)) |
| { |
| nfc_cb.flags &= ~(NFC_FL_RESTARTING|NFC_FL_POWER_CYCLE_NFCC); |
| if (nfc_status != NFC_STATUS_OK) |
| { |
| nfc_cb.flags |= NFC_FL_POWER_OFF_SLEEP; |
| } |
| (*nfc_cb.p_resp_cback) (NFC_NFCC_RESTART_REVT, &evt_data); |
| } |
| else |
| { |
| (*nfc_cb.p_resp_cback) (NFC_ENABLE_REVT, &evt_data); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_enabled |
| ** |
| ** Description NFCC enabled, proceed with stack start up. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nfc_enabled (tNFC_STATUS nfc_status, BT_HDR *p_init_rsp_msg) |
| { |
| tNFC_RESPONSE evt_data; |
| tNFC_CONN_CB *p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID]; |
| UINT8 *p; |
| UINT8 num_interfaces = 0, xx; |
| int yy = 0; |
| |
| memset (&evt_data, 0, sizeof (tNFC_RESPONSE)); |
| |
| if (nfc_status == NCI_STATUS_OK) |
| { |
| nfc_set_state (NFC_STATE_IDLE); |
| |
| p = (UINT8 *) (p_init_rsp_msg + 1) + p_init_rsp_msg->offset + NCI_MSG_HDR_SIZE + 1; |
| /* we currently only support NCI of the same version. |
| * We may need to change this, when we support multiple version of NFCC */ |
| evt_data.enable.nci_version = NCI_VERSION; |
| STREAM_TO_UINT32 (evt_data.enable.nci_features, p); |
| STREAM_TO_UINT8 (num_interfaces, p); |
| |
| evt_data.enable.nci_interfaces = 0; |
| for (xx = 0; xx < num_interfaces; xx++) |
| { |
| if ((*p) <= NCI_INTERFACE_MAX) |
| evt_data.enable.nci_interfaces |= (1 << (*p)); |
| else if (((*p) > NCI_INTERFACE_FIRST_VS) && (yy < NFC_NFCC_MAX_NUM_VS_INTERFACE)) |
| { |
| /* save the VS RF interface in control block, if there's still room */ |
| nfc_cb.vs_interface[yy++] = *p; |
| } |
| p++; |
| } |
| nfc_cb.nci_interfaces = evt_data.enable.nci_interfaces; |
| memcpy (evt_data.enable.vs_interface, nfc_cb.vs_interface, NFC_NFCC_MAX_NUM_VS_INTERFACE); |
| evt_data.enable.max_conn = *p++; |
| STREAM_TO_UINT16 (evt_data.enable.max_ce_table, p); |
| #if (NFC_RW_ONLY == FALSE) |
| nfc_cb.max_ce_table = evt_data.enable.max_ce_table; |
| nfc_cb.nci_features = evt_data.enable.nci_features; |
| nfc_cb.max_conn = evt_data.enable.max_conn; |
| #endif |
| nfc_cb.nci_ctrl_size = *p++; /* Max Control Packet Payload Length */ |
| p_cb->init_credits = p_cb->num_buff = 0; |
| STREAM_TO_UINT16 (evt_data.enable.max_param_size, p); |
| nfc_set_conn_id (p_cb, NFC_RF_CONN_ID); |
| evt_data.enable.manufacture_id = *p++; |
| STREAM_TO_ARRAY (evt_data.enable.nfcc_info, p, NFC_NFCC_INFO_LEN); |
| NFC_DiscoveryMap (nfc_cb.num_disc_maps, (tNCI_DISCOVER_MAPS *) nfc_cb.p_disc_maps, NULL); |
| } |
| /* else not successful. the buffers will be freed in nfc_free_conn_cb () */ |
| else |
| { |
| if (nfc_cb.flags & NFC_FL_RESTARTING) |
| { |
| nfc_set_state (NFC_STATE_NFCC_POWER_OFF_SLEEP); |
| } |
| else |
| { |
| nfc_free_conn_cb (p_cb); |
| |
| /* if NFCC didn't respond to CORE_RESET or CORE_INIT */ |
| if (nfc_cb.nfc_state == NFC_STATE_CORE_INIT) |
| { |
| /* report status after closing HAL */ |
| nfc_cb.p_hal->close (); |
| return; |
| } |
| else |
| nfc_set_state (NFC_STATE_NONE); |
| } |
| } |
| |
| nfc_main_notify_enable_status (nfc_status); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_set_state |
| ** |
| ** Description Set the state of NFC stack |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nfc_set_state (tNFC_STATE nfc_state) |
| { |
| #if (BT_TRACE_VERBOSE == TRUE) |
| NFC_TRACE_DEBUG4 ("nfc_set_state %d (%s)->%d (%s)", nfc_cb.nfc_state, nfc_state_name (nfc_cb.nfc_state), nfc_state, nfc_state_name (nfc_state)); |
| #else |
| NFC_TRACE_DEBUG2 ("nfc_set_state %d->%d", nfc_cb.nfc_state, nfc_state); |
| #endif |
| nfc_cb.nfc_state = nfc_state; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_gen_cleanup |
| ** |
| ** Description Clean up for both going into low power mode and disabling NFC |
| ** |
| *******************************************************************************/ |
| void nfc_gen_cleanup (void) |
| { |
| nfc_cb.flags &= ~NFC_FL_DEACTIVATING; |
| |
| /* the HAL pre-discover is still active - clear the pending flag/free the buffer */ |
| if (nfc_cb.flags & NFC_FL_DISCOVER_PENDING) |
| { |
| nfc_cb.flags &= ~NFC_FL_DISCOVER_PENDING; |
| GKI_freebuf (nfc_cb.p_disc_pending); |
| nfc_cb.p_disc_pending = NULL; |
| } |
| |
| nfc_cb.flags &= ~(NFC_FL_CONTROL_REQUESTED|NFC_FL_CONTROL_GRANTED); |
| |
| nfc_stop_timer (&nfc_cb.deactivate_timer); |
| |
| /* Reset the connection control blocks */ |
| nfc_reset_all_conn_cbs (); |
| |
| if (nfc_cb.p_nci_init_rsp) |
| { |
| GKI_freebuf (nfc_cb.p_nci_init_rsp); |
| nfc_cb.p_nci_init_rsp = NULL; |
| } |
| |
| /* clear any pending CMD/RSP */ |
| nfc_main_flush_cmd_queue (); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_main_handle_hal_evt |
| ** |
| ** Description Handle BT_EVT_TO_NFC_MSGS |
| ** |
| *******************************************************************************/ |
| void nfc_main_handle_hal_evt (tNFC_HAL_EVT_MSG *p_msg) |
| { |
| UINT8 *ps; |
| |
| NFC_TRACE_DEBUG1 ("nfc_main_handle_hal_evt(): HAL event=0x%x", p_msg->hal_evt); |
| |
| switch (p_msg->hal_evt) |
| { |
| case HAL_NFC_OPEN_CPLT_EVT: /* only for failure case */ |
| nfc_enabled (NFC_STATUS_FAILED, NULL); |
| break; |
| |
| case HAL_NFC_CLOSE_CPLT_EVT: |
| if (nfc_cb.p_resp_cback) |
| { |
| if (nfc_cb.nfc_state == NFC_STATE_W4_HAL_CLOSE) |
| { |
| if (nfc_cb.flags & NFC_FL_POWER_OFF_SLEEP) |
| { |
| nfc_cb.flags &= ~NFC_FL_POWER_OFF_SLEEP; |
| nfc_set_state (NFC_STATE_NFCC_POWER_OFF_SLEEP); |
| (*nfc_cb.p_resp_cback) (NFC_NFCC_POWER_OFF_REVT, NULL); |
| } |
| else |
| { |
| nfc_set_state (NFC_STATE_NONE); |
| (*nfc_cb.p_resp_cback) (NFC_DISABLE_REVT, NULL); |
| nfc_cb.p_resp_cback = NULL; |
| } |
| } |
| else |
| { |
| /* found error during initialization */ |
| nfc_set_state (NFC_STATE_NONE); |
| nfc_main_notify_enable_status (NFC_STATUS_FAILED); |
| } |
| } |
| break; |
| |
| case HAL_NFC_POST_INIT_CPLT_EVT: |
| if (nfc_cb.p_nci_init_rsp) |
| { |
| /* |
| ** if NFC_Disable() is called before receiving HAL_NFC_POST_INIT_CPLT_EVT, |
| ** then wait for HAL_NFC_CLOSE_CPLT_EVT. |
| */ |
| if (nfc_cb.nfc_state == NFC_STATE_W4_POST_INIT_CPLT) |
| { |
| if (p_msg->status == HAL_NFC_STATUS_OK) |
| { |
| nfc_enabled (NCI_STATUS_OK, nfc_cb.p_nci_init_rsp); |
| } |
| else /* if post initailization failed */ |
| { |
| nfc_enabled (NCI_STATUS_FAILED, NULL); |
| } |
| } |
| |
| GKI_freebuf (nfc_cb.p_nci_init_rsp); |
| nfc_cb.p_nci_init_rsp = NULL; |
| } |
| break; |
| |
| case HAL_NFC_PRE_DISCOVER_CPLT_EVT: |
| /* restore the command window, no matter if the discover command is still pending */ |
| nfc_cb.nci_cmd_window = NCI_MAX_CMD_WINDOW; |
| nfc_cb.flags &= ~NFC_FL_CONTROL_GRANTED; |
| if (nfc_cb.flags & NFC_FL_DISCOVER_PENDING) |
| { |
| /* issue the discovery command now, if it is still pending */ |
| nfc_cb.flags &= ~NFC_FL_DISCOVER_PENDING; |
| ps = (UINT8 *)nfc_cb.p_disc_pending; |
| nci_snd_discover_cmd (*ps, (tNFC_DISCOVER_PARAMS *)(ps + 1)); |
| GKI_freebuf (nfc_cb.p_disc_pending); |
| nfc_cb.p_disc_pending = NULL; |
| } |
| else |
| { |
| /* check if there's other pending commands */ |
| nfc_ncif_check_cmd_queue (NULL); |
| } |
| |
| if (p_msg->status == HAL_NFC_STATUS_ERR_CMD_TIMEOUT) |
| nfc_ncif_event_status (NFC_NFCC_TIMEOUT_REVT, NFC_STATUS_HW_TIMEOUT); |
| break; |
| |
| case HAL_NFC_REQUEST_CONTROL_EVT: |
| nfc_cb.flags |= NFC_FL_CONTROL_REQUESTED; |
| nfc_ncif_check_cmd_queue (NULL); |
| break; |
| |
| case HAL_NFC_RELEASE_CONTROL_EVT: |
| if (nfc_cb.flags & NFC_FL_CONTROL_GRANTED) |
| { |
| nfc_cb.flags &= ~NFC_FL_CONTROL_GRANTED; |
| nfc_cb.nci_cmd_window = NCI_MAX_CMD_WINDOW; |
| nfc_ncif_check_cmd_queue (NULL); |
| |
| if (p_msg->status == HAL_NFC_STATUS_ERR_CMD_TIMEOUT) |
| nfc_ncif_event_status (NFC_NFCC_TIMEOUT_REVT, NFC_STATUS_HW_TIMEOUT); |
| } |
| break; |
| |
| case HAL_NFC_ERROR_EVT: |
| switch (p_msg->status) |
| { |
| case HAL_NFC_STATUS_ERR_TRANSPORT: |
| /* Notify app of transport error */ |
| if (nfc_cb.p_resp_cback) |
| { |
| (*nfc_cb.p_resp_cback) (NFC_NFCC_TRANSPORT_ERR_REVT, NULL); |
| |
| /* if enabling NFC, notify upper layer of failure after closing HAL */ |
| if (nfc_cb.nfc_state < NFC_STATE_IDLE) |
| { |
| nfc_enabled (NFC_STATUS_FAILED, NULL); |
| } |
| } |
| break; |
| |
| case HAL_NFC_STATUS_ERR_CMD_TIMEOUT: |
| nfc_ncif_event_status (NFC_NFCC_TIMEOUT_REVT, NFC_STATUS_HW_TIMEOUT); |
| |
| /* if enabling NFC, notify upper layer of failure after closing HAL */ |
| if (nfc_cb.nfc_state < NFC_STATE_IDLE) |
| { |
| nfc_enabled (NFC_STATUS_FAILED, NULL); |
| return; |
| } |
| break; |
| |
| default: |
| break; |
| } |
| break; |
| |
| default: |
| NFC_TRACE_ERROR1 ("nfc_main_handle_hal_evt (): unhandled event (0x%x).", p_msg->hal_evt); |
| break; |
| } |
| } |
| |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_main_flush_cmd_queue |
| ** |
| ** Description This function is called when setting power off sleep state. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nfc_main_flush_cmd_queue (void) |
| { |
| BT_HDR *p_msg; |
| |
| NFC_TRACE_DEBUG0 ("nfc_main_flush_cmd_queue ()"); |
| |
| /* initialize command window */ |
| nfc_cb.nci_cmd_window = NCI_MAX_CMD_WINDOW; |
| |
| /* Stop command-pending timer */ |
| nfc_stop_timer(&nfc_cb.nci_wait_rsp_timer); |
| |
| /* dequeue and free buffer */ |
| while ((p_msg = (BT_HDR *)GKI_dequeue (&nfc_cb.nci_cmd_xmit_q)) != NULL) |
| { |
| GKI_freebuf (p_msg); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_main_post_hal_evt |
| ** |
| ** Description This function posts HAL event to NFC_TASK |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nfc_main_post_hal_evt (UINT8 hal_evt, tHAL_NFC_STATUS status) |
| { |
| tNFC_HAL_EVT_MSG *p_msg; |
| |
| if ((p_msg = (tNFC_HAL_EVT_MSG *) GKI_getbuf (sizeof(tNFC_HAL_EVT_MSG))) != NULL) |
| { |
| /* Initialize BT_HDR */ |
| p_msg->hdr.len = 0; |
| p_msg->hdr.event = BT_EVT_TO_NFC_MSGS; |
| p_msg->hdr.offset = 0; |
| p_msg->hdr.layer_specific = 0; |
| p_msg->hal_evt = hal_evt; |
| p_msg->status = status; |
| GKI_send_msg (NFC_TASK, NFC_MBOX_ID, p_msg); |
| } |
| else |
| { |
| NFC_TRACE_ERROR0 ("nfc_main_post_hal_evt (): No buffer"); |
| } |
| } |
| |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_main_hal_cback |
| ** |
| ** Description HAL event handler |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| static void nfc_main_hal_cback(UINT8 event, tHAL_NFC_STATUS status) |
| { |
| #if (BT_TRACE_VERBOSE == TRUE) |
| NFC_TRACE_DEBUG3 ("nfc_main_hal_cback event: %s(0x%x), status=%d", |
| nfc_hal_event_name (event), event, status); |
| #else |
| NFC_TRACE_DEBUG2 ("nfc_main_hal_cback event: 0x%x, status=%d", event, status); |
| #endif |
| |
| switch (event) |
| { |
| case HAL_NFC_OPEN_CPLT_EVT: |
| /* |
| ** if NFC_Disable() is called before receiving HAL_NFC_OPEN_CPLT_EVT, |
| ** then wait for HAL_NFC_CLOSE_CPLT_EVT. |
| */ |
| if (nfc_cb.nfc_state == NFC_STATE_W4_HAL_OPEN) |
| { |
| if (status == HAL_NFC_STATUS_OK) |
| { |
| /* Notify NFC_TASK that NCI tranport is initialized */ |
| GKI_send_event (NFC_TASK, NFC_TASK_EVT_TRANSPORT_READY); |
| } |
| else |
| { |
| nfc_main_post_hal_evt (event, status); |
| } |
| } |
| break; |
| |
| case HAL_NFC_CLOSE_CPLT_EVT: |
| case HAL_NFC_POST_INIT_CPLT_EVT: |
| case HAL_NFC_PRE_DISCOVER_CPLT_EVT: |
| case HAL_NFC_REQUEST_CONTROL_EVT: |
| case HAL_NFC_RELEASE_CONTROL_EVT: |
| case HAL_NFC_ERROR_EVT: |
| nfc_main_post_hal_evt (event, status); |
| break; |
| |
| default: |
| NFC_TRACE_DEBUG1 ("nfc_main_hal_cback unhandled event %x", event); |
| break; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_main_hal_data_cback |
| ** |
| ** Description HAL data event handler |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| static void nfc_main_hal_data_cback(UINT16 data_len, UINT8 *p_data) |
| { |
| BT_HDR *p_msg; |
| |
| /* ignore all data while shutting down NFCC */ |
| if (nfc_cb.nfc_state == NFC_STATE_W4_HAL_CLOSE) |
| { |
| return; |
| } |
| |
| if (p_data) |
| { |
| if ((p_msg = (BT_HDR *) GKI_getpoolbuf (NFC_NCI_POOL_ID)) != NULL) |
| { |
| /* Initialize BT_HDR */ |
| p_msg->len = data_len; |
| p_msg->event = BT_EVT_TO_NFC_NCI; |
| p_msg->offset = NFC_RECEIVE_MSGS_OFFSET; |
| |
| /* no need to check length, it always less than pool size */ |
| memcpy ((UINT8 *)(p_msg + 1) + p_msg->offset, p_data, p_msg->len); |
| |
| GKI_send_msg (NFC_TASK, NFC_MBOX_ID, p_msg); |
| } |
| else |
| { |
| NFC_TRACE_ERROR0 ("nfc_main_hal_data_cback (): No buffer"); |
| } |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_Enable |
| ** |
| ** Description This function enables NFC. Prior to calling NFC_Enable: |
| ** - the NFCC must be powered up, and ready to receive commands. |
| ** - GKI must be enabled |
| ** - NFC_TASK must be started |
| ** - NCIT_TASK must be started (if using dedicated NCI transport) |
| ** |
| ** This function opens the NCI transport (if applicable), |
| ** resets the NFC controller, and initializes the NFC subsystems. |
| ** |
| ** When the NFC startup procedure is completed, an |
| ** NFC_ENABLE_REVT is returned to the application using the |
| ** tNFC_RESPONSE_CBACK. |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS NFC_Enable (tNFC_RESPONSE_CBACK *p_cback) |
| { |
| NFC_TRACE_API0 ("NFC_Enable ()"); |
| |
| /* Validate callback */ |
| if (!p_cback) |
| { |
| return (NFC_STATUS_INVALID_PARAM); |
| } |
| nfc_cb.p_resp_cback = p_cback; |
| |
| /* Open HAL transport. */ |
| nfc_set_state (NFC_STATE_W4_HAL_OPEN); |
| nfc_cb.p_hal->open (nfc_main_hal_cback, nfc_main_hal_data_cback); |
| |
| return (NFC_STATUS_OK); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_Disable |
| ** |
| ** Description This function performs clean up routines for shutting down |
| ** NFC and closes the NCI transport (if using dedicated NCI |
| ** transport). |
| ** |
| ** When the NFC shutdown procedure is completed, an |
| ** NFC_DISABLED_REVT is returned to the application using the |
| ** tNFC_RESPONSE_CBACK. |
| ** |
| ** Returns nothing |
| ** |
| *******************************************************************************/ |
| void NFC_Disable (void) |
| { |
| NFC_TRACE_API1 ("NFC_Disable (): nfc_state = %d", nfc_cb.nfc_state); |
| |
| if (nfc_cb.nfc_state == NFC_STATE_NONE || nfc_cb.nfc_state == NFC_STATE_NFCC_POWER_OFF_SLEEP) |
| { |
| nfc_set_state (NFC_STATE_NONE); |
| if (nfc_cb.p_resp_cback) |
| { |
| (*nfc_cb.p_resp_cback) (NFC_DISABLE_REVT, NULL); |
| nfc_cb.p_resp_cback = NULL; |
| } |
| return; |
| } |
| |
| /* Close transport and clean up */ |
| nfc_task_shutdown_nfcc (); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_Init |
| ** |
| ** Description This function initializes control block for NFC |
| ** |
| ** Returns nothing |
| ** |
| *******************************************************************************/ |
| void NFC_Init (tHAL_NFC_ENTRY *p_hal_entry_tbl) |
| { |
| int xx; |
| |
| /* Clear nfc control block */ |
| memset (&nfc_cb, 0, sizeof (tNFC_CB)); |
| |
| /* Reset the nfc control block */ |
| for (xx = 0; xx < NCI_MAX_CONN_CBS; xx++) |
| { |
| nfc_cb.conn_cb[xx].conn_id = NFC_ILLEGAL_CONN_ID; |
| } |
| |
| /* NCI init */ |
| nfc_cb.p_hal = p_hal_entry_tbl; |
| nfc_cb.nfc_state = NFC_STATE_NONE; |
| nfc_cb.nci_cmd_window = NCI_MAX_CMD_WINDOW; |
| nfc_cb.nci_wait_rsp_tout= NFC_CMD_CMPL_TIMEOUT; |
| nfc_cb.p_disc_maps = nfc_interface_mapping; |
| nfc_cb.num_disc_maps = NFC_NUM_INTERFACE_MAP; |
| nfc_cb.trace_level = NFC_INITIAL_TRACE_LEVEL; |
| nfc_cb.nci_ctrl_size = NCI_CTRL_INIT_SIZE; |
| |
| rw_init (); |
| ce_init (); |
| llcp_init (); |
| NFC_SET_MAX_CONN_DEFAULT (); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_GetLmrtSize |
| ** |
| ** Description Called by application wto query the Listen Mode Routing |
| ** Table size supported by NFCC |
| ** |
| ** Returns Listen Mode Routing Table size |
| ** |
| *******************************************************************************/ |
| UINT16 NFC_GetLmrtSize (void) |
| { |
| UINT16 size = 0; |
| #if (NFC_RW_ONLY == FALSE) |
| size = nfc_cb.max_ce_table; |
| #endif |
| return size; |
| } |
| |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_SetConfig |
| ** |
| ** Description This function is called to send the configuration parameter |
| ** TLV to NFCC. The response from NFCC is reported by |
| ** tNFC_RESPONSE_CBACK as NFC_SET_CONFIG_REVT. |
| ** |
| ** Parameters tlv_size - the length of p_param_tlvs. |
| ** p_param_tlvs - the parameter ID/Len/Value list |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS NFC_SetConfig (UINT8 tlv_size, |
| UINT8 *p_param_tlvs) |
| { |
| return nci_snd_core_set_config (p_param_tlvs, tlv_size); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_GetConfig |
| ** |
| ** Description This function is called to retrieve the parameter TLV from NFCC. |
| ** The response from NFCC is reported by tNFC_RESPONSE_CBACK |
| ** as NFC_GET_CONFIG_REVT. |
| ** |
| ** Parameters num_ids - the number of parameter IDs |
| ** p_param_ids - the parameter ID list. |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS NFC_GetConfig (UINT8 num_ids, |
| UINT8 *p_param_ids) |
| { |
| return nci_snd_core_get_config (p_param_ids, num_ids); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_DiscoveryMap |
| ** |
| ** Description This function is called to set the discovery interface mapping. |
| ** The response from NFCC is reported by tNFC_DISCOVER_CBACK as. |
| ** NFC_MAP_DEVT. |
| ** |
| ** Parameters num - the number of items in p_params. |
| ** p_maps - the discovery interface mappings |
| ** p_cback - the discovery callback function |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS NFC_DiscoveryMap (UINT8 num, tNFC_DISCOVER_MAPS *p_maps, |
| tNFC_DISCOVER_CBACK *p_cback) |
| { |
| UINT8 num_disc_maps = num; |
| UINT8 xx, yy, num_intf, intf_mask; |
| tNFC_DISCOVER_MAPS max_maps[NFC_NFCC_MAX_NUM_VS_INTERFACE + NCI_INTERFACE_MAX]; |
| BOOLEAN is_supported; |
| |
| nfc_cb.p_discv_cback = p_cback; |
| num_intf = 0; |
| NFC_TRACE_DEBUG1 ("nci_interfaces supported by NFCC: 0x%x", nfc_cb.nci_interfaces); |
| for (xx = 0; xx < num_disc_maps; xx++) |
| { |
| is_supported = FALSE; |
| if (p_maps[xx].intf_type > NCI_INTERFACE_MAX) |
| { |
| for (yy = 0; yy < NFC_NFCC_MAX_NUM_VS_INTERFACE; yy++) |
| { |
| if (nfc_cb.vs_interface[yy] == p_maps[xx].intf_type) |
| is_supported = TRUE; |
| } |
| NFC_TRACE_DEBUG3 ("[%d]: vs intf_type:0x%x is_supported:%d", xx, p_maps[xx].intf_type, is_supported); |
| } |
| else |
| { |
| intf_mask = (1 << (p_maps[xx].intf_type)); |
| if (intf_mask & nfc_cb.nci_interfaces) |
| { |
| is_supported = TRUE; |
| } |
| NFC_TRACE_DEBUG4 ("[%d]: intf_type:%d intf_mask: 0x%x is_supported:%d", xx, p_maps[xx].intf_type, intf_mask, is_supported); |
| } |
| if (is_supported) |
| memcpy (&max_maps[num_intf++], &p_maps[xx], sizeof (tNFC_DISCOVER_MAPS)); |
| else |
| { |
| NFC_TRACE_WARNING1 ("NFC_DiscoveryMap interface=0x%x is not supported by NFCC", p_maps[xx].intf_type); |
| } |
| } |
| |
| return nci_snd_discover_map_cmd (num_intf, (tNCI_DISCOVER_MAPS *) max_maps); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_DiscoveryStart |
| ** |
| ** Description This function is called to start Polling and/or Listening. |
| ** The response from NFCC is reported by tNFC_DISCOVER_CBACK as. |
| ** NFC_START_DEVT. The notification from NFCC is reported by |
| ** tNFC_DISCOVER_CBACK as NFC_RESULT_DEVT. |
| ** |
| ** Parameters num_params - the number of items in p_params. |
| ** p_params - the discovery parameters |
| ** p_cback - the discovery callback function |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS NFC_DiscoveryStart (UINT8 num_params, |
| tNFC_DISCOVER_PARAMS *p_params, |
| tNFC_DISCOVER_CBACK *p_cback) |
| { |
| UINT8 *p; |
| int params_size; |
| tNFC_STATUS status = NFC_STATUS_NO_BUFFERS; |
| |
| NFC_TRACE_API0 ("NFC_DiscoveryStart"); |
| if (nfc_cb.p_disc_pending) |
| { |
| NFC_TRACE_ERROR0 ("There's pending NFC_DiscoveryStart"); |
| status = NFC_STATUS_BUSY; |
| } |
| else |
| { |
| nfc_cb.p_discv_cback = p_cback; |
| nfc_cb.flags |= NFC_FL_DISCOVER_PENDING; |
| nfc_cb.flags |= NFC_FL_CONTROL_REQUESTED; |
| params_size = sizeof (tNFC_DISCOVER_PARAMS) * num_params; |
| nfc_cb.p_disc_pending = GKI_getbuf ((UINT16)(BT_HDR_SIZE + 1 + params_size)); |
| if (nfc_cb.p_disc_pending) |
| { |
| p = (UINT8 *)nfc_cb.p_disc_pending; |
| *p++ = num_params; |
| memcpy (p, p_params, params_size); |
| status = NFC_STATUS_CMD_STARTED; |
| nfc_ncif_check_cmd_queue (NULL); |
| } |
| } |
| |
| NFC_TRACE_API1 ("NFC_DiscoveryStart status: 0x%x", status); |
| return status; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_DiscoverySelect |
| ** |
| ** Description If tNFC_DISCOVER_CBACK reports status=NFC_MULTIPLE_PROT, |
| ** the application needs to use this function to select the |
| ** the logical endpoint to continue. The response from NFCC is |
| ** reported by tNFC_DISCOVER_CBACK as NFC_SELECT_DEVT. |
| ** |
| ** Parameters rf_disc_id - The ID identifies the remote device. |
| ** protocol - the logical endpoint on the remote devide |
| ** rf_interface - the RF interface to communicate with NFCC |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS NFC_DiscoverySelect (UINT8 rf_disc_id, |
| UINT8 protocol, |
| UINT8 rf_interface) |
| { |
| return nci_snd_discover_select_cmd (rf_disc_id, protocol, rf_interface); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_ConnCreate |
| ** |
| ** Description This function is called to create a logical connection with |
| ** NFCC for data exchange. |
| ** |
| ** Parameters dest_type - the destination type |
| ** id - the NFCEE ID or RF Discovery ID . |
| ** protocol - the protocol. |
| ** p_cback - the connection callback function |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS NFC_ConnCreate (UINT8 dest_type, |
| UINT8 id, |
| UINT8 protocol, |
| tNFC_CONN_CBACK *p_cback) |
| { |
| tNFC_STATUS status = NFC_STATUS_FAILED; |
| tNFC_CONN_CB *p_cb; |
| UINT8 num_tlv=0, tlv_size=0; |
| UINT8 param_tlvs[4], *pp; |
| |
| p_cb = nfc_alloc_conn_cb (p_cback); |
| if (p_cb) |
| { |
| p_cb->id = id; |
| pp = param_tlvs; |
| if (dest_type == NCI_DEST_TYPE_NFCEE) |
| { |
| num_tlv = 1; |
| UINT8_TO_STREAM (pp, NCI_CON_CREATE_TAG_NFCEE_VAL); |
| UINT8_TO_STREAM (pp, 2); |
| UINT8_TO_STREAM (pp, id); |
| UINT8_TO_STREAM (pp, protocol); |
| tlv_size = 4; |
| } |
| else if (dest_type == NCI_DEST_TYPE_REMOTE) |
| { |
| num_tlv = 1; |
| UINT8_TO_STREAM (pp, NCI_CON_CREATE_TAG_RF_DISC_ID); |
| UINT8_TO_STREAM (pp, 1); |
| UINT8_TO_STREAM (pp, id); |
| tlv_size = 3; |
| } |
| else if (dest_type == NCI_DEST_TYPE_NFCC) |
| { |
| p_cb->id = NFC_TEST_ID; |
| } |
| /* Add handling of NCI_DEST_TYPE_REMOTE when more RF interface definitions are added */ |
| p_cb->act_protocol = protocol; |
| p_cb->p_cback = p_cback; |
| status = nci_snd_core_conn_create (dest_type, num_tlv, tlv_size, param_tlvs); |
| if (status == NFC_STATUS_FAILED) |
| nfc_free_conn_cb (p_cb); |
| } |
| return status; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_ConnClose |
| ** |
| ** Description This function is called to close a logical connection with |
| ** NFCC. |
| ** |
| ** Parameters conn_id - the connection id. |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS NFC_ConnClose (UINT8 conn_id) |
| { |
| tNFC_CONN_CB *p_cb = nfc_find_conn_cb_by_conn_id (conn_id); |
| tNFC_STATUS status = NFC_STATUS_FAILED; |
| |
| if (p_cb) |
| { |
| status = nci_snd_core_conn_close (conn_id); |
| } |
| return status; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_SetStaticRfCback |
| ** |
| ** Description This function is called to update the data callback function |
| ** to receive the data for the given connection id. |
| ** |
| ** Parameters p_cback - the connection callback function |
| ** |
| ** Returns Nothing |
| ** |
| *******************************************************************************/ |
| void NFC_SetStaticRfCback (tNFC_CONN_CBACK *p_cback) |
| { |
| tNFC_CONN_CB * p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID]; |
| |
| p_cb->p_cback = p_cback; |
| /* just in case DH has received NCI data before the data callback is set |
| * check if there's any data event to report on this connection id */ |
| nfc_data_event (p_cb); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_SendData |
| ** |
| ** Description This function is called to send the given data packet |
| ** to the connection identified by the given connection id. |
| ** |
| ** Parameters conn_id - the connection id. |
| ** p_data - the data packet. |
| ** p_data->offset must be >= NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE |
| ** The data payload starts at ((UINT8 *) (p_data + 1) + p_data->offset) |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS NFC_SendData (UINT8 conn_id, |
| BT_HDR *p_data) |
| { |
| tNFC_STATUS status = NFC_STATUS_FAILED; |
| tNFC_CONN_CB *p_cb = nfc_find_conn_cb_by_conn_id (conn_id); |
| |
| if (p_cb && p_data && p_data->offset >= NCI_MSG_OFFSET_SIZE + NCI_DATA_HDR_SIZE) |
| { |
| status = nfc_ncif_send_data (p_cb, p_data); |
| } |
| |
| if (status != NFC_STATUS_OK) |
| GKI_freebuf (p_data); |
| |
| return status; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_FlushData |
| ** |
| ** Description This function is called to discard the tx data queue of |
| ** the given connection id. |
| ** |
| ** Parameters conn_id - the connection id. |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS NFC_FlushData (UINT8 conn_id) |
| { |
| tNFC_STATUS status = NFC_STATUS_FAILED; |
| tNFC_CONN_CB *p_cb = nfc_find_conn_cb_by_conn_id (conn_id); |
| void *p_buf; |
| |
| if (p_cb) |
| { |
| status = NFC_STATUS_OK; |
| while ((p_buf = GKI_dequeue (&p_cb->tx_q)) != NULL) |
| GKI_freebuf (p_buf); |
| } |
| |
| return status; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_Deactivate |
| ** |
| ** Description This function is called to stop the discovery process or |
| ** put the listen device in sleep mode or terminate the NFC link. |
| ** |
| ** The response from NFCC is reported by tNFC_DISCOVER_CBACK |
| ** as NFC_DEACTIVATE_DEVT. |
| ** |
| ** Parameters deactivate_type - NFC_DEACTIVATE_TYPE_IDLE, to IDLE mode. |
| ** NFC_DEACTIVATE_TYPE_SLEEP to SLEEP mode. |
| ** NFC_DEACTIVATE_TYPE_SLEEP_AF to SLEEP_AF mode. |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS NFC_Deactivate (tNFC_DEACT_TYPE deactivate_type) |
| { |
| tNFC_CONN_CB * p_cb = &nfc_cb.conn_cb[NFC_RF_CONN_ID]; |
| tNFC_STATUS status = NFC_STATUS_OK; |
| |
| #if (BT_TRACE_VERBOSE == TRUE) |
| NFC_TRACE_API3 ("NFC_Deactivate %d (%s) deactivate_type:%d", nfc_cb.nfc_state, nfc_state_name (nfc_cb.nfc_state), deactivate_type); |
| #else |
| NFC_TRACE_API2 ("NFC_Deactivate %d deactivate_type:%d", nfc_cb.nfc_state, deactivate_type); |
| #endif |
| |
| if (nfc_cb.flags & NFC_FL_DISCOVER_PENDING) |
| { |
| /* the HAL pre-discover is still active - clear the pending flag */ |
| nfc_cb.flags &= ~NFC_FL_DISCOVER_PENDING; |
| GKI_freebuf (nfc_cb.p_disc_pending); |
| nfc_cb.p_disc_pending = NULL; |
| return NFC_STATUS_OK; |
| } |
| |
| if (nfc_cb.nfc_state == NFC_STATE_OPEN) |
| { |
| nfc_set_state (NFC_STATE_CLOSING); |
| NFC_TRACE_DEBUG3 ( "act_protocol %d credits:%d/%d", p_cb->act_protocol, p_cb->init_credits, p_cb->num_buff); |
| if ((p_cb->act_protocol == NCI_PROTOCOL_NFC_DEP) && |
| (p_cb->init_credits != p_cb->num_buff)) |
| { |
| nfc_cb.flags |= NFC_FL_DEACTIVATING; |
| nfc_cb.deactivate_timer.param = (TIMER_PARAM_TYPE) deactivate_type; |
| nfc_start_timer (&nfc_cb.deactivate_timer , (UINT16) (NFC_TTYPE_WAIT_2_DEACTIVATE), NFC_DEACTIVATE_TIMEOUT); |
| return status; |
| } |
| } |
| |
| status = nci_snd_deactivate_cmd (deactivate_type); |
| return status; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_UpdateRFCommParams |
| ** |
| ** Description This function is called to update RF Communication parameters |
| ** once the Frame RF Interface has been activated. |
| ** |
| ** The response from NFCC is reported by tNFC_RESPONSE_CBACK |
| ** as NFC_RF_COMM_PARAMS_UPDATE_REVT. |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS NFC_UpdateRFCommParams (tNFC_RF_COMM_PARAMS *p_params) |
| { |
| UINT8 tlvs[12]; |
| UINT8 *p = tlvs; |
| UINT8 data_exch_config; |
| |
| /* RF Technology and Mode */ |
| if (p_params->include_rf_tech_mode) |
| { |
| UINT8_TO_STREAM (p, NCI_RF_PARAM_ID_TECH_N_MODE); |
| UINT8_TO_STREAM (p, 1); |
| UINT8_TO_STREAM (p, p_params->rf_tech_n_mode); |
| } |
| |
| /* Transmit Bit Rate */ |
| if (p_params->include_tx_bit_rate) |
| { |
| UINT8_TO_STREAM (p, NCI_RF_PARAM_ID_TX_BIT_RATE); |
| UINT8_TO_STREAM (p, 1); |
| UINT8_TO_STREAM (p, p_params->tx_bit_rate); |
| } |
| |
| /* Receive Bit Rate */ |
| if (p_params->include_tx_bit_rate) |
| { |
| UINT8_TO_STREAM (p, NCI_RF_PARAM_ID_RX_BIT_RATE); |
| UINT8_TO_STREAM (p, 1); |
| UINT8_TO_STREAM (p, p_params->rx_bit_rate); |
| } |
| |
| /* NFC-B Data Exchange Configuration */ |
| if (p_params->include_nfc_b_config) |
| { |
| UINT8_TO_STREAM (p, NCI_RF_PARAM_ID_B_DATA_EX_PARAM); |
| UINT8_TO_STREAM (p, 1); |
| |
| data_exch_config = (p_params->min_tr0 & 0x03) << 6; /* b7b6 : Mininum TR0 */ |
| data_exch_config |= (p_params->min_tr1 & 0x03) << 4; /* b5b4 : Mininum TR1 */ |
| data_exch_config |= (p_params->suppression_eos & 0x01) << 3; /* b3 : Suppression of EoS */ |
| data_exch_config |= (p_params->suppression_sos & 0x01) << 2; /* b2 : Suppression of SoS */ |
| data_exch_config |= (p_params->min_tr2 & 0x03); /* b1b0 : Mininum TR2 */ |
| |
| UINT8_TO_STREAM (p, data_exch_config); |
| } |
| |
| return nci_snd_parameter_update_cmd (tlvs, (UINT8) (p - tlvs)); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_SetPowerOffSleep |
| ** |
| ** Description This function closes/opens transport and turns off/on NFCC. |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS NFC_SetPowerOffSleep (BOOLEAN enable) |
| { |
| NFC_TRACE_API1 ("NFC_SetPowerOffSleep () enable = %d", enable); |
| |
| if ( (enable == FALSE) |
| &&(nfc_cb.nfc_state == NFC_STATE_NFCC_POWER_OFF_SLEEP) ) |
| { |
| nfc_cb.flags |= NFC_FL_RESTARTING; |
| |
| /* open transport */ |
| nfc_set_state (NFC_STATE_W4_HAL_OPEN); |
| nfc_cb.p_hal->open (nfc_main_hal_cback, nfc_main_hal_data_cback); |
| |
| return NFC_STATUS_OK; |
| } |
| else if ( (enable == TRUE) |
| &&(nfc_cb.nfc_state == NFC_STATE_IDLE) ) |
| { |
| /* close transport to turn off NFCC and clean up */ |
| nfc_cb.flags |= NFC_FL_POWER_OFF_SLEEP; |
| nfc_task_shutdown_nfcc (); |
| |
| return NFC_STATUS_OK; |
| } |
| |
| NFC_TRACE_ERROR1 ("NFC_SetPowerOffSleep () invalid state = %d", nfc_cb.nfc_state); |
| return NFC_STATUS_FAILED; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_PowerCycleNFCC |
| ** |
| ** Description This function turns off and then on NFCC. |
| ** |
| ** Returns tNFC_STATUS |
| ** |
| *******************************************************************************/ |
| tNFC_STATUS NFC_PowerCycleNFCC (void) |
| { |
| NFC_TRACE_API0 ("NFC_PowerCycleNFCC ()"); |
| |
| if (nfc_cb.nfc_state == NFC_STATE_IDLE) |
| { |
| /* power cycle NFCC */ |
| nfc_cb.flags |= NFC_FL_POWER_CYCLE_NFCC; |
| nfc_task_shutdown_nfcc (); |
| |
| return NFC_STATUS_OK; |
| } |
| |
| NFC_TRACE_ERROR1 ("NFC_PowerCycleNFCC () invalid state = %d", nfc_cb.nfc_state); |
| return NFC_STATUS_FAILED; |
| } |
| |
| |
| /******************************************************************************* |
| ** |
| ** Function NFC_SetTraceLevel |
| ** |
| ** Description This function sets the trace level for NFC. If called with |
| ** a value of 0xFF, it simply returns the current trace level. |
| ** |
| ** Returns The new or current trace level |
| ** |
| *******************************************************************************/ |
| UINT8 NFC_SetTraceLevel (UINT8 new_level) |
| { |
| NFC_TRACE_API1 ("NFC_SetTraceLevel () new_level = %d", new_level); |
| |
| if (new_level != 0xFF) |
| nfc_cb.trace_level = new_level; |
| |
| return (nfc_cb.trace_level); |
| } |
| |
| |
| #endif /* NFC_INCLUDED == TRUE */ |
