| /****************************************************************************** |
| * |
| * 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 function of the NFC unit to receive/process NCI |
| * commands. |
| * |
| ******************************************************************************/ |
| #include <string.h> |
| #include "nfc_target.h" |
| #include "bt_types.h" |
| #include "gki.h" |
| |
| #if NFC_INCLUDED == TRUE |
| #include "nci_defs.h" |
| #include "nci_hmsgs.h" |
| #include "nfc_api.h" |
| #include "nfc_int.h" |
| |
| /******************************************************************************* |
| ** |
| ** Function nci_proc_core_rsp |
| ** |
| ** Description Process NCI responses in the CORE group |
| ** |
| ** Returns TRUE-caller of this function to free the GKI buffer p_msg |
| ** |
| *******************************************************************************/ |
| BOOLEAN nci_proc_core_rsp (BT_HDR *p_msg) |
| { |
| UINT8 *p; |
| UINT8 *pp, len, op_code; |
| BOOLEAN free = TRUE; |
| UINT8 *p_old = nfc_cb.last_cmd; |
| |
| /* find the start of the NCI message and parse the NCI header */ |
| p = (UINT8 *) (p_msg + 1) + p_msg->offset; |
| pp = p+1; |
| NCI_MSG_PRS_HDR1 (pp, op_code); |
| NFC_TRACE_DEBUG1 ("nci_proc_core_rsp opcode:0x%x", op_code); |
| len = *pp++; |
| |
| /* process the message based on the opcode and message type */ |
| switch (op_code) |
| { |
| case NCI_MSG_CORE_RESET: |
| nfc_ncif_proc_reset_rsp (pp, FALSE); |
| break; |
| |
| case NCI_MSG_CORE_INIT: |
| nfc_ncif_proc_init_rsp (p_msg); |
| free = FALSE; |
| break; |
| |
| case NCI_MSG_CORE_GET_CONFIG: |
| nfc_ncif_proc_get_config_rsp (p_msg); |
| break; |
| |
| case NCI_MSG_CORE_SET_CONFIG: |
| nfc_ncif_set_config_status (pp, len); |
| break; |
| |
| case NCI_MSG_CORE_CONN_CREATE: |
| nfc_ncif_proc_conn_create_rsp (p, p_msg->len, *p_old); |
| break; |
| |
| case NCI_MSG_CORE_CONN_CLOSE: |
| nfc_ncif_report_conn_close_evt (*p_old, *pp); |
| break; |
| |
| default: |
| NFC_TRACE_ERROR1 ("unknown opcode:0x%x", op_code); |
| break; |
| } |
| |
| return free; |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nci_proc_core_ntf |
| ** |
| ** Description Process NCI notifications in the CORE group |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nci_proc_core_ntf (BT_HDR *p_msg) |
| { |
| UINT8 *p; |
| UINT8 *pp, len, op_code; |
| UINT8 conn_id; |
| |
| /* find the start of the NCI message and parse the NCI header */ |
| p = (UINT8 *) (p_msg + 1) + p_msg->offset; |
| pp = p+1; |
| NCI_MSG_PRS_HDR1 (pp, op_code); |
| NFC_TRACE_DEBUG1 ("nci_proc_core_ntf opcode:0x%x", op_code); |
| len = *pp++; |
| |
| /* process the message based on the opcode and message type */ |
| switch (op_code) |
| { |
| case NCI_MSG_CORE_RESET: |
| nfc_ncif_proc_reset_rsp (pp, TRUE); |
| break; |
| |
| case NCI_MSG_CORE_GEN_ERR_STATUS: |
| /* process the error ntf */ |
| /* in case of timeout: notify the static connection callback */ |
| nfc_ncif_event_status (NFC_GEN_ERROR_REVT, *pp); |
| nfc_ncif_error_status (NFC_RF_CONN_ID, *pp); |
| break; |
| |
| case NCI_MSG_CORE_INTF_ERR_STATUS: |
| conn_id = *(pp+1); |
| nfc_ncif_error_status (conn_id, *pp); |
| break; |
| |
| case NCI_MSG_CORE_CONN_CREDITS: |
| nfc_ncif_proc_credits(pp, len); |
| break; |
| |
| default: |
| NFC_TRACE_ERROR1 ("unknown opcode:0x%x", op_code); |
| break; |
| } |
| } |
| |
| |
| /******************************************************************************* |
| ** |
| ** Function nci_proc_rf_management_rsp |
| ** |
| ** Description Process NCI responses in the RF Management group |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nci_proc_rf_management_rsp (BT_HDR *p_msg) |
| { |
| UINT8 *p; |
| UINT8 *pp, len, op_code; |
| UINT8 *p_old = nfc_cb.last_cmd; |
| |
| /* find the start of the NCI message and parse the NCI header */ |
| p = (UINT8 *) (p_msg + 1) + p_msg->offset; |
| pp = p+1; |
| NCI_MSG_PRS_HDR1 (pp, op_code); |
| len = *pp++; |
| |
| switch (op_code) |
| { |
| case NCI_MSG_RF_DISCOVER: |
| nfc_ncif_rf_management_status (NFC_START_DEVT, *pp); |
| break; |
| |
| case NCI_MSG_RF_DISCOVER_SELECT: |
| nfc_ncif_rf_management_status (NFC_SELECT_DEVT, *pp); |
| break; |
| |
| case NCI_MSG_RF_T3T_POLLING: |
| break; |
| |
| case NCI_MSG_RF_DISCOVER_MAP: |
| nfc_ncif_rf_management_status (NFC_MAP_DEVT, *pp); |
| break; |
| |
| case NCI_MSG_RF_DEACTIVATE: |
| nfc_ncif_proc_deactivate (*pp, *p_old, FALSE); |
| break; |
| |
| #if (NFC_NFCEE_INCLUDED == TRUE) |
| #if (NFC_RW_ONLY == FALSE) |
| |
| case NCI_MSG_RF_SET_ROUTING: |
| nfc_ncif_event_status (NFC_SET_ROUTING_REVT, *pp); |
| break; |
| |
| case NCI_MSG_RF_GET_ROUTING: |
| if (*pp != NFC_STATUS_OK) |
| nfc_ncif_event_status (NFC_GET_ROUTING_REVT, *pp); |
| break; |
| #endif |
| #endif |
| |
| case NCI_MSG_RF_PARAMETER_UPDATE: |
| nfc_ncif_event_status (NFC_RF_COMM_PARAMS_UPDATE_REVT, *pp); |
| break; |
| |
| default: |
| NFC_TRACE_ERROR1 ("unknown opcode:0x%x", op_code); |
| break; |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nci_proc_rf_management_ntf |
| ** |
| ** Description Process NCI notifications in the RF Management group |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nci_proc_rf_management_ntf (BT_HDR *p_msg) |
| { |
| UINT8 *p; |
| UINT8 *pp, len, op_code; |
| |
| /* find the start of the NCI message and parse the NCI header */ |
| p = (UINT8 *) (p_msg + 1) + p_msg->offset; |
| pp = p+1; |
| NCI_MSG_PRS_HDR1 (pp, op_code); |
| len = *pp++; |
| |
| switch (op_code) |
| { |
| case NCI_MSG_RF_DISCOVER : |
| nfc_ncif_proc_discover_ntf (p, p_msg->len); |
| break; |
| |
| case NCI_MSG_RF_DEACTIVATE: |
| nfc_ncif_proc_deactivate (NFC_STATUS_OK, *pp, TRUE); |
| break; |
| |
| case NCI_MSG_RF_INTF_ACTIVATED: |
| nfc_ncif_proc_activate (pp, len); |
| break; |
| |
| case NCI_MSG_RF_FIELD: |
| nfc_ncif_proc_rf_field_ntf (*pp); |
| break; |
| |
| case NCI_MSG_RF_T3T_POLLING: |
| nfc_ncif_proc_t3t_polling_ntf (pp, len); |
| break; |
| |
| #if (NFC_NFCEE_INCLUDED == TRUE) |
| #if (NFC_RW_ONLY == FALSE) |
| |
| case NCI_MSG_RF_GET_ROUTING: |
| nfc_ncif_proc_get_routing (pp, len); |
| break; |
| |
| case NCI_MSG_RF_EE_ACTION: |
| nfc_ncif_proc_ee_action (pp, len); |
| break; |
| |
| case NCI_MSG_RF_EE_DISCOVERY_REQ: |
| nfc_ncif_proc_ee_discover_req (pp, len); |
| break; |
| #endif |
| #endif |
| |
| default: |
| NFC_TRACE_ERROR1 ("unknown opcode:0x%x", op_code); |
| break; |
| } |
| } |
| |
| #if (NFC_NFCEE_INCLUDED == TRUE) |
| #if (NFC_RW_ONLY == FALSE) |
| |
| /******************************************************************************* |
| ** |
| ** Function nci_proc_ee_management_rsp |
| ** |
| ** Description Process NCI responses in the NFCEE Management group |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nci_proc_ee_management_rsp (BT_HDR *p_msg) |
| { |
| UINT8 *p; |
| UINT8 *pp, len, op_code; |
| tNFC_RESPONSE_CBACK *p_cback = nfc_cb.p_resp_cback; |
| tNFC_NFCEE_DISCOVER_REVT nfcee_discover; |
| tNFC_NFCEE_INFO_REVT nfcee_info; |
| tNFC_NFCEE_MODE_SET_REVT mode_set; |
| tNFC_RESPONSE *p_evt = (tNFC_RESPONSE *) &nfcee_info; |
| tNFC_RESPONSE_EVT event = NFC_NFCEE_INFO_REVT; |
| UINT8 *p_old = nfc_cb.last_cmd; |
| |
| /* find the start of the NCI message and parse the NCI header */ |
| p = (UINT8 *) (p_msg + 1) + p_msg->offset; |
| pp = p+1; |
| NCI_MSG_PRS_HDR1 (pp, op_code); |
| NFC_TRACE_DEBUG1 ("nci_proc_ee_management_rsp opcode:0x%x", op_code); |
| len = *pp++; |
| |
| switch (op_code) |
| { |
| case NCI_MSG_NFCEE_DISCOVER: |
| p_evt = (tNFC_RESPONSE *) &nfcee_discover; |
| nfcee_discover.status = *pp++; |
| nfcee_discover.num_nfcee = *pp++; |
| |
| if (nfcee_discover.status != NFC_STATUS_OK) |
| nfcee_discover.num_nfcee = 0; |
| |
| event = NFC_NFCEE_DISCOVER_REVT; |
| break; |
| |
| case NCI_MSG_NFCEE_MODE_SET: |
| p_evt = (tNFC_RESPONSE *) &mode_set; |
| mode_set.status = *pp; |
| mode_set.nfcee_id = 0; |
| event = NFC_NFCEE_MODE_SET_REVT; |
| mode_set.nfcee_id = *p_old++; |
| mode_set.mode = *p_old++; |
| break; |
| |
| default: |
| p_cback = NULL; |
| NFC_TRACE_ERROR1 ("unknown opcode:0x%x", op_code); |
| break; |
| } |
| |
| if (p_cback) |
| (*p_cback) (event, p_evt); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nci_proc_ee_management_ntf |
| ** |
| ** Description Process NCI notifications in the NFCEE Management group |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nci_proc_ee_management_ntf (BT_HDR *p_msg) |
| { |
| UINT8 *p; |
| UINT8 *pp, len, op_code; |
| tNFC_RESPONSE_CBACK *p_cback = nfc_cb.p_resp_cback; |
| tNFC_NFCEE_INFO_REVT nfcee_info; |
| tNFC_RESPONSE *p_evt = (tNFC_RESPONSE *) &nfcee_info; |
| tNFC_RESPONSE_EVT event = NFC_NFCEE_INFO_REVT; |
| UINT8 xx; |
| UINT8 yy; |
| UINT8 ee_status; |
| tNFC_NFCEE_TLV *p_tlv; |
| |
| /* find the start of the NCI message and parse the NCI header */ |
| p = (UINT8 *) (p_msg + 1) + p_msg->offset; |
| pp = p+1; |
| NCI_MSG_PRS_HDR1 (pp, op_code); |
| NFC_TRACE_DEBUG1 ("nci_proc_ee_management_ntf opcode:0x%x", op_code); |
| len = *pp++; |
| |
| if (op_code == NCI_MSG_NFCEE_DISCOVER) |
| { |
| nfcee_info.nfcee_id = *pp++; |
| ee_status = *pp++; |
| |
| nfcee_info.ee_status = ee_status; |
| yy = *pp; |
| nfcee_info.num_interface = *pp++; |
| p = pp; |
| |
| if (nfcee_info.num_interface > NFC_MAX_EE_INTERFACE) |
| nfcee_info.num_interface = NFC_MAX_EE_INTERFACE; |
| |
| for (xx = 0; xx < nfcee_info.num_interface; xx++) |
| { |
| nfcee_info.ee_interface[xx] = *pp++; |
| } |
| |
| pp = p + yy; |
| nfcee_info.num_tlvs = *pp++; |
| NFC_TRACE_DEBUG4 ("nfcee_id: 0x%x num_interface:0x%x/0x%x, num_tlvs:0x%x", |
| nfcee_info.nfcee_id, nfcee_info.num_interface, yy, nfcee_info.num_tlvs); |
| |
| if (nfcee_info.num_tlvs > NFC_MAX_EE_TLVS) |
| nfcee_info.num_tlvs = NFC_MAX_EE_TLVS; |
| |
| p_tlv = &nfcee_info.ee_tlv[0]; |
| |
| for (xx = 0; xx < nfcee_info.num_tlvs; xx++, p_tlv++) |
| { |
| p_tlv->tag = *pp++; |
| p_tlv->len = yy = *pp++; |
| NFC_TRACE_DEBUG2 ("tag:0x%x, len:0x%x", p_tlv->tag, p_tlv->len); |
| if (p_tlv->len > NFC_MAX_EE_INFO) |
| p_tlv->len = NFC_MAX_EE_INFO; |
| p = pp; |
| STREAM_TO_ARRAY (p_tlv->info, pp, p_tlv->len); |
| pp = p += yy; |
| } |
| } |
| else |
| { |
| p_cback = NULL; |
| NFC_TRACE_ERROR1 ("unknown opcode:0x%x", op_code); |
| } |
| |
| if (p_cback) |
| (*p_cback) (event, p_evt); |
| } |
| |
| #endif |
| #endif |
| |
| /******************************************************************************* |
| ** |
| ** Function nci_proc_prop_rsp |
| ** |
| ** Description Process NCI responses in the Proprietary group |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nci_proc_prop_rsp (BT_HDR *p_msg) |
| { |
| UINT8 *p; |
| UINT8 *p_evt; |
| UINT8 *pp, len, op_code; |
| tNFC_VS_CBACK *p_cback = (tNFC_VS_CBACK *)nfc_cb.p_vsc_cback; |
| |
| /* find the start of the NCI message and parse the NCI header */ |
| p = p_evt = (UINT8 *) (p_msg + 1) + p_msg->offset; |
| pp = p+1; |
| NCI_MSG_PRS_HDR1 (pp, op_code); |
| len = *pp++; |
| |
| /*If there's a pending/stored command, restore the associated address of the callback function */ |
| if (p_cback) |
| (*p_cback) ((tNFC_VS_EVT) (NCI_RSP_BIT|op_code), p_msg->len, p_evt); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nci_proc_prop_ntf |
| ** |
| ** Description Process NCI notifications in the Proprietary group |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nci_proc_prop_ntf (BT_HDR *p_msg) |
| { |
| UINT8 *p; |
| UINT8 *p_evt; |
| UINT8 *pp, len, op_code; |
| int i; |
| |
| /* find the start of the NCI message and parse the NCI header */ |
| p = p_evt = (UINT8 *) (p_msg + 1) + p_msg->offset; |
| pp = p+1; |
| NCI_MSG_PRS_HDR1 (pp, op_code); |
| len = *pp++; |
| |
| for (i = 0; i < NFC_NUM_VS_CBACKS; i++) |
| { |
| if (nfc_cb.p_vs_cb[i]) |
| { |
| (*nfc_cb.p_vs_cb[i]) ((tNFC_VS_EVT) (NCI_NTF_BIT|op_code), p_msg->len, p_evt); |
| } |
| } |
| } |
| |
| #endif /* NFC_INCLUDED == TRUE*/ |