/****************************************************************************** * * 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. * ******************************************************************************/ /****************************************************************************** * * This is the public interface file for NFA SNEP, Broadcom's NFC * application layer for mobile phones. * ******************************************************************************/ #ifndef NFA_SNEP_API_H #define NFA_SNEP_API_H #include "nfa_api.h" /***************************************************************************** ** Constants and data types *****************************************************************************/ #define NFA_SNEP_VERSION 0x10 /* SNEP Version 1.0 */ #define NFA_SNEP_REQ_CODE_CONTINUE 0x00 /* send remaining fragments */ #define NFA_SNEP_REQ_CODE_GET 0x01 /* return an NDEF message */ #define NFA_SNEP_REQ_CODE_PUT 0x02 /* accept an NDEF message */ #define NFA_SNEP_REQ_CODE_REJECT 0x7F /* do not send remaining fragments */ #define tNFA_SNEP_REQ_CODE UINT8 #define NFA_SNEP_RESP_CODE_CONTINUE 0x80 /* continue send remaining fragments */ #define NFA_SNEP_RESP_CODE_SUCCESS 0x81 /* the operation succeeded */ #define NFA_SNEP_RESP_CODE_NOT_FOUND 0xC0 /* resource not found */ #define NFA_SNEP_RESP_CODE_EXCESS_DATA 0xC1 /* resource exceeds data size limit */ #define NFA_SNEP_RESP_CODE_BAD_REQ 0xC2 /* malformed request not understood */ #define NFA_SNEP_RESP_CODE_NOT_IMPLM 0xE0 /* unsupported functionality requested */ #define NFA_SNEP_RESP_CODE_UNSUPP_VER 0xE1 /* unsupported protocol version */ #define NFA_SNEP_RESP_CODE_REJECT 0xFF /* do not send remaining fragments */ #define tNFA_SNEP_RESP_CODE UINT8 /* NFA SNEP callback events */ #define NFA_SNEP_REG_EVT 0x00 /* Server/client Registeration Status */ #define NFA_SNEP_ACTIVATED_EVT 0x01 /* LLCP link has been activated, client only */ #define NFA_SNEP_DEACTIVATED_EVT 0x02 /* LLCP link has been deactivated, client only */ #define NFA_SNEP_CONNECTED_EVT 0x03 /* Data link has been created */ #define NFA_SNEP_GET_REQ_EVT 0x04 /* GET request from client */ #define NFA_SNEP_PUT_REQ_EVT 0x05 /* PUT request from client */ #define NFA_SNEP_GET_RESP_EVT 0x06 /* GET response from server */ #define NFA_SNEP_PUT_RESP_EVT 0x07 /* PUT response from server */ #define NFA_SNEP_DISC_EVT 0x08 /* Failed to connect or disconnected */ #define NFA_SNEP_ALLOC_BUFF_EVT 0x09 /* Request to allocate a buffer for NDEF*/ #define NFA_SNEP_FREE_BUFF_EVT 0x0A /* Request to deallocate buffer for NDEF*/ #define NFA_SNEP_GET_RESP_CMPL_EVT 0x0B /* GET response sent to client */ #define NFA_SNEP_DEFAULT_SERVER_STARTED_EVT 0x0C /* SNEP default server is started */ #define NFA_SNEP_DEFAULT_SERVER_STOPPED_EVT 0x0D /* SNEP default server is stopped */ typedef UINT8 tNFA_SNEP_EVT; #define NFA_SNEP_ANY_SAP LLCP_INVALID_SAP /* Data for NFA_SNEP_REG_EVT */ typedef struct { tNFA_STATUS status; tNFA_HANDLE reg_handle; /* handle for registered server/client */ char service_name[LLCP_MAX_SN_LEN + 1]; /* only for server */ } tNFA_SNEP_REG; /* Data for NFA_SNEP_ACTIVATED_EVT */ typedef struct { tNFA_HANDLE client_handle; /* handle for registered client */ } tNFA_SNEP_ACTIVATED; /* Data for NFA_SNEP_DEACTIVATED_EVT */ typedef tNFA_SNEP_ACTIVATED tNFA_SNEP_DEACTIVATED; /* Data for NFA_SNEP_CONNECTED_EVT */ /* ** for server, new handle will be assigned for conn_handle ** for client, handle used in NFA_SnepConnect () is returned in conn_handle */ typedef struct { tNFA_HANDLE reg_handle; /* server/client handle */ tNFA_HANDLE conn_handle; /* handle for data link connection */ } tNFA_SNEP_CONNECT; /* Data for NFA_SNEP_GET_REQ_EVT */ typedef struct { tNFA_HANDLE conn_handle; /* handle for data link connection */ UINT32 acceptable_length; /* acceptable length from client */ UINT32 ndef_length; /* NDEF message length */ UINT8 *p_ndef; /* NDEF message */ } tNFA_SNEP_GET_REQ; /* Data for NFA_SNEP_PUT_REQ_EVT */ typedef struct { tNFA_HANDLE conn_handle; /* handle for data link connection */ UINT32 ndef_length; /* NDEF message length */ UINT8 *p_ndef; /* NDEF message */ } tNFA_SNEP_PUT_REQ; /* Data for NFA_SNEP_GET_RESP_EVT */ typedef struct { tNFA_HANDLE conn_handle; /* handle for data link connection */ tNFA_SNEP_RESP_CODE resp_code; /* response code from server */ UINT32 ndef_length; /* NDEF message length */ UINT8 *p_ndef; /* NDEF message */ } tNFA_SNEP_GET_RESP; /* Data for NFA_SNEP_PUT_RESP_EVT */ typedef struct { tNFA_HANDLE conn_handle; /* handle for data link connection */ tNFA_SNEP_RESP_CODE resp_code; /* response code from server */ } tNFA_SNEP_PUT_RESP; /* Data for NFA_SNEP_DISC_EVT */ typedef struct { tNFA_HANDLE conn_handle; /* handle for data link connection */ /* client_handle if connection failed */ } tNFA_SNEP_DISC; /* Data for NFA_SNEP_ALLOC_BUFF_EVT */ typedef struct { tNFA_HANDLE conn_handle; /* handle for data link connection */ tNFA_SNEP_REQ_CODE req_code; /* NFA_SNEP_REQ_CODE_GET or NFA_SNEP_REQ_CODE_PUT */ tNFA_SNEP_RESP_CODE resp_code; /* Response code if cannot allocate buffer */ UINT32 ndef_length; /* NDEF message length */ UINT8 *p_buff; /* buffer for NDEF message */ } tNFA_SNEP_ALLOC; /* Data for NFA_SNEP_FREE_BUFF_EVT */ typedef struct { tNFA_HANDLE conn_handle; /* handle for data link connection */ UINT8 *p_buff; /* buffer to free */ } tNFA_SNEP_FREE; /* Data for NFA_SNEP_GET_RESP_CMPL_EVT */ typedef struct { tNFA_HANDLE conn_handle; /* handle for data link connection */ UINT8 *p_buff; /* buffer for NDEF message */ } tNFA_SNEP_GET_RESP_CMPL; /* Union of all SNEP callback structures */ typedef union { tNFA_SNEP_REG reg; /* NFA_SNEP_REG_EVT */ tNFA_SNEP_ACTIVATED activated; /* NFA_SNEP_ACTIVATED_EVT */ tNFA_SNEP_DEACTIVATED deactivated; /* NFA_SNEP_DEACTIVATED_EVT */ tNFA_SNEP_CONNECT connect; /* NFA_SNEP_CONNECTED_EVT */ tNFA_SNEP_GET_REQ get_req; /* NFA_SNEP_GET_REQ_EVT */ tNFA_SNEP_PUT_REQ put_req; /* NFA_SNEP_PUT_REQ_EVT */ tNFA_SNEP_GET_RESP get_resp; /* NFA_SNEP_GET_RESP_EVT */ tNFA_SNEP_PUT_RESP put_resp; /* NFA_SNEP_PUT_RESP_EVT */ tNFA_SNEP_DISC disc; /* NFA_SNEP_DISC_EVT */ tNFA_SNEP_ALLOC alloc; /* NFA_SNEP_ALLOC_BUFF_EVT */ tNFA_SNEP_FREE free; /* NFA_SNEP_FREE_BUFF_EVT */ tNFA_SNEP_GET_RESP_CMPL get_resp_cmpl; /* NFA_SNEP_GET_RESP_CMPL_EVT */ } tNFA_SNEP_EVT_DATA; /* NFA SNEP callback */ typedef void (tNFA_SNEP_CBACK) (tNFA_SNEP_EVT event, tNFA_SNEP_EVT_DATA *p_data); /***************************************************************************** ** External Function Declarations *****************************************************************************/ #ifdef __cplusplus extern "C" { #endif /******************************************************************************* ** ** Function NFA_SnepStartDefaultServer ** ** Description This function is called to listen to SAP, 0x04 as SNEP default ** server ("urn:nfc:sn:snep") on LLCP. ** ** NFA_SNEP_DEFAULT_SERVER_STARTED_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 ** *******************************************************************************/ NFC_API extern tNFA_STATUS NFA_SnepStartDefaultServer (tNFA_SNEP_CBACK *p_cback); /******************************************************************************* ** ** Function NFA_SnepStopDefaultServer ** ** Description This function is called to stop SNEP default server on LLCP. ** ** NFA_SNEP_DEFAULT_SERVER_STOPPED_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 ** *******************************************************************************/ NFC_API extern tNFA_STATUS NFA_SnepStopDefaultServer (tNFA_SNEP_CBACK *p_cback); /******************************************************************************* ** ** Function NFA_SnepRegisterServer ** ** Description This function is called to listen to a SAP as SNEP server. ** ** If server_sap is set to NFA_SNEP_ANY_SAP, then NFA will allocate ** a SAP between LLCP_LOWER_BOUND_SDP_SAP and LLCP_UPPER_BOUND_SDP_SAP ** ** NFC Forum default SNEP server ("urn:nfc:sn:snep") may be launched ** by NFA_SnepStartDefaultServer (). ** ** NFA_SNEP_REG_EVT will be returned with status, handle and service name. ** ** 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_INVALID_PARAM if p_service_name or p_cback is NULL ** NFA_STATUS_FAILED otherwise ** *******************************************************************************/ NFC_API extern tNFA_STATUS NFA_SnepRegisterServer (UINT8 server_sap, char *p_service_name, tNFA_SNEP_CBACK *p_cback); /******************************************************************************* ** ** Function NFA_SnepRegisterClient ** ** Description This function is called to register SNEP client. ** NFA_SNEP_REG_EVT will be returned with status, handle ** and zero-length service name. ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_INVALID_PARAM if p_cback is NULL ** NFA_STATUS_FAILED otherwise ** *******************************************************************************/ NFC_API extern tNFA_STATUS NFA_SnepRegisterClient (tNFA_SNEP_CBACK *p_cback); /******************************************************************************* ** ** Function NFA_SnepDeregister ** ** Description This function is called to stop listening as SNEP server ** or SNEP client. Application shall use reg_handle returned in ** NFA_SNEP_REG_EVT. ** ** Note: If this function is called to de-register a SNEP server and 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_BAD_HANDLE if handle is not valid ** NFA_STATUS_FAILED otherwise ** *******************************************************************************/ NFC_API extern tNFA_STATUS NFA_SnepDeregister (tNFA_HANDLE reg_handle); /******************************************************************************* ** ** Function NFA_SnepConnect ** ** Description This function is called by client to create data link connection ** to SNEP server on peer device. ** ** Client handle and service name of server to connect shall be provided. ** A conn_handle will be returned in NFA_SNEP_CONNECTED_EVT, if ** successfully connected. Otherwise NFA_SNEP_DISC_EVT will be returned. ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_BAD_HANDLE if handle is not valid ** NFA_STATUS_INVALID_PARAM if p_service_name or p_cback is NULL ** NFA_STATUS_FAILED otherwise ** *******************************************************************************/ NFC_API extern tNFA_STATUS NFA_SnepConnect (tNFA_HANDLE client_handle, char *p_service_name); /******************************************************************************* ** ** Function NFA_SnepGet ** ** Description This function is called by client to send GET request. ** ** Application shall allocate a buffer and put NDEF message with ** desired record type to get from server. NDEF message from server ** will be returned in the same buffer with NFA_SNEP_GET_RESP_EVT. ** The size of buffer will be used as "Acceptable Length". ** ** NFA_SNEP_GET_RESP_EVT or NFA_SNEP_DISC_EVT will be returned ** through registered p_cback. Application may free the buffer ** after receiving these events. ** ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_BAD_HANDLE if handle is not valid ** NFA_STATUS_FAILED otherwise ** *******************************************************************************/ NFC_API extern tNFA_STATUS NFA_SnepGet (tNFA_HANDLE conn_handle, UINT32 buff_length, UINT32 ndef_length, UINT8 *p_ndef_buff); /******************************************************************************* ** ** Function NFA_SnepPut ** ** Description This function is called by client to send PUT request. ** ** Application shall allocate a buffer and put desired NDEF message ** to send to server. ** ** NFA_SNEP_PUT_RESP_EVT or NFA_SNEP_DISC_EVT will be returned ** through p_cback. Application may free the buffer after receiving ** these events. ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_BAD_HANDLE if handle is not valid ** NFA_STATUS_INVALID_PARAM if p_service_name or p_cback is NULL ** NFA_STATUS_FAILED otherwise ** *******************************************************************************/ NFC_API extern tNFA_STATUS NFA_SnepPut (tNFA_HANDLE conn_handle, UINT32 ndef_length, UINT8 *p_ndef_buff); /******************************************************************************* ** ** Function NFA_SnepGetResponse ** ** Description This function is called by server to send response of GET request. ** ** When server application receives NFA_SNEP_ALLOC_BUFF_EVT, ** it shall allocate a buffer for incoming NDEF message and ** pass the pointer within callback context. This buffer will be ** returned with NFA_SNEP_GET_REQ_EVT after receiving complete ** NDEF message. If buffer is not allocated, NFA_SNEP_RESP_CODE_NOT_FOUND ** (Note:There is no proper response code for this case) ** or NFA_SNEP_RESP_CODE_REJECT will be sent to client. ** ** Server application shall provide conn_handle which is received in ** NFA_SNEP_GET_REQ_EVT. ** ** Server application shall allocate a buffer and put NDEF message if ** response code is NFA_SNEP_RESP_CODE_SUCCESS. Otherwise, ndef_length ** shall be set to zero. ** ** NFA_SNEP_GET_RESP_CMPL_EVT or NFA_SNEP_DISC_EVT will be returned ** through registered callback function. Application may free ** the buffer after receiving these events. ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_BAD_HANDLE if handle is not valid ** NFA_STATUS_FAILED otherwise ** *******************************************************************************/ NFC_API extern tNFA_STATUS NFA_SnepGetResponse (tNFA_HANDLE conn_handle, tNFA_SNEP_RESP_CODE resp_code, UINT32 ndef_length, UINT8 *p_ndef_buff); /******************************************************************************* ** ** Function NFA_SnepPutResponse ** ** Description This function is called by server to send response of PUT request. ** ** When server application receives NFA_SNEP_ALLOC_BUFF_EVT, ** it shall allocate a buffer for incoming NDEF message and ** pass the pointer within callback context. This buffer will be ** returned with NFA_SNEP_PUT_REQ_EVT after receiving complete ** NDEF message. If buffer is not allocated, NFA_SNEP_RESP_CODE_REJECT ** will be sent to client or NFA will discard request and send ** NFA_SNEP_RESP_CODE_SUCCESS (Note:There is no proper response code for ** this case). ** ** Server application shall provide conn_handle which is received in ** NFA_SNEP_PUT_REQ_EVT. ** ** NFA_SNEP_DISC_EVT will be returned through registered callback ** function when client disconnects data link connection. ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_BAD_HANDLE if handle is not valid ** NFA_STATUS_FAILED otherwise ** *******************************************************************************/ NFC_API extern tNFA_STATUS NFA_SnepPutResponse (tNFA_HANDLE conn_handle, tNFA_SNEP_RESP_CODE resp_code); /******************************************************************************* ** ** Function NFA_SnepDisconnect ** ** Description This function is called to disconnect data link connection. ** discard any pending data if flush is set to TRUE ** ** Client application shall provide conn_handle in NFA_SNEP_GET_RESP_EVT ** or NFA_SNEP_PUT_RESP_EVT. ** ** Server application shall provide conn_handle in NFA_SNEP_GET_REQ_EVT ** or NFA_SNEP_PUT_REQ_EVT. ** ** NFA_SNEP_DISC_EVT will be returned ** ** Returns NFA_STATUS_OK if successfully initiated ** NFA_STATUS_BAD_HANDLE if handle is not valid ** NFA_STATUS_FAILED otherwise ** *******************************************************************************/ NFC_API extern tNFA_STATUS NFA_SnepDisconnect (tNFA_HANDLE conn_handle, BOOLEAN flush); /******************************************************************************* ** ** Function NFA_SnepSetTraceLevel ** ** Description This function sets the trace level for SNEP. If called with ** a value of 0xFF, it simply returns the current trace level. ** ** Returns The new or current trace level ** *******************************************************************************/ NFC_API extern UINT8 NFA_SnepSetTraceLevel (UINT8 new_level); #ifdef __cplusplus } #endif #endif /* NFA_P2P_API_H */