| /* |
| * Copyright (C) 2010 NXP Semiconductors |
| * |
| * 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. |
| */ |
| |
| /*! |
| * \file phLlcNfc_Frame.h |
| * \brief To append and delete the I or S or U frames. |
| * |
| * Project: NFC-FRI-1.1 |
| * |
| * $Date: Fri Apr 30 10:03:36 2010 $ |
| * $Author: ing02260 $ |
| * $Revision: 1.19 $ |
| * $Aliases: NFC_FRI1.1_WK1017_R34_1,NFC_FRI1.1_WK1017_R34_2,NFC_FRI1.1_WK1023_R35_1 $ |
| * |
| */ |
| |
| #ifndef PHLLCNFC_FRAME_H |
| #define PHLLCNFC_FRAME_H |
| |
| /** |
| * \name LLC NFC frame creation and deletion |
| * |
| * File: \ref phLlcNfc_Frame.h |
| * |
| */ |
| /*@{*/ |
| #define PHLLCNFCFRAME_FILEREVISION "$Revision: 1.19 $" /**< \ingroup grp_hal_nfc_llc */ |
| #define PHLLCNFCFRAME_FILEALIASES "$Aliases: NFC_FRI1.1_WK1017_R34_1,NFC_FRI1.1_WK1017_R34_2,NFC_FRI1.1_WK1023_R35_1 $" /**< \ingroup grp_hal_nfc_llc */ |
| /*@}*/ |
| |
| /*************************** Includes *******************************/ |
| |
| /*********************** End of includes ****************************/ |
| |
| /** \defgroup grp_hal_nfc_llc_helper LLC helper functions |
| * |
| * |
| * |
| */ |
| |
| /***************************** Macros *******************************/ |
| /** Maximum buffer that LLC can send and receive */ |
| #define PH_LLCNFC_MAX_BUFLEN_RECV_SEND (33) |
| /** Maximum buffer that LLC can send and receive */ |
| #define PH_LLCNFC_MIN_BUFLEN_RECVD (1) |
| /** Modulo to calculate the N(S) and N(R), when it extends 7, because |
| N(S) and N(R) can have the value maximum up to 7 */ |
| #define PH_LLCNFC_MOD_NS_NR (8) |
| /** When the entire LLC buffer is created or received, the header byte |
| will be the first byte (not the 0th byte which is the LLC length) |
| of the buffer */ |
| #define PH_LLCNFC_HEADER_BYTE_IN_BUFFER (1) |
| /** Maximum windows size, which is obtained by sending or |
| receiving the U - frame */ |
| #define PH_LLCNFC_U_FRAME_MAX_WIN_SIZE (4) |
| /** Minimum windows size, which is obtained by sending or |
| receiving the U - frame */ |
| #define PH_LLCNFC_U_FRAME_MIN_WIN_SIZE (2) |
| /** Start position of the U frame */ |
| #define PH_LLCNFC_U_FRAME_START_POS (0) |
| /** No of position to set the U frame */ |
| #define PH_LLCNFC_U_FRAME_NO_OF_POS (5) |
| /** This mask is to find the frame type ( S or U) */ |
| #define PH_LLCNFC_LLC_HEADER_MASK (0xE0) |
| /** This mask is to find the frame type (I, S or U) */ |
| #define PH_LLCNFC_I_FRM_HEADER_MASK (0x80) |
| /** If S frame is received or to be sent, the maximum length that |
| can be sent or received is 4 */ |
| #define PH_LLCNFC_MAX_S_FRAME_LEN (4) |
| /** If S frame is received, to know the command type like RR, RNR, |
| REJ or SREJ */ |
| #define PH_LLCNFC_S_FRAME_TYPE_MASK (0x18) |
| /** Maximum value of N(S) or N(R) */ |
| #define PH_LLCNFC_I_S_FRAME_MAX_NR (0x07) |
| /** If U frame is received or to be sent, the maximum length that |
| can be sent or received is 7 */ |
| #define PH_LLCNFC_U_FRAME_LEN (7) |
| /** If S frame is received, to know the command type like RSET or UA */ |
| #define PH_LLCNFC_U_FRAME_MODIFIER_MASK (0x1F) |
| /** Extra length to be append to the user buffer Length to create the |
| LLC buffer */ |
| #define PH_LLCNFC_LEN_APPEND (0x04) |
| /** U frame header without modifier */ |
| #define PH_LLCNFC_U_HEADER_INIT (0xE0) |
| /** I frame header without N(S) and N(R) */ |
| #define PH_LLCNFC_I_HEADER_INIT (0x80) |
| /** S frame header without type and N(R) */ |
| #define PH_LLCNFC_S_HEADER_INIT (0xC0) |
| /** N(S) start bit position */ |
| #define PH_LLCNFC_NS_START_BIT_POS (0x03) |
| /** N(R) start bit position */ |
| #define PH_LLCNFC_NR_START_BIT_POS (0x00) |
| /** Number of bits N(R) and N(S) */ |
| #define PH_LLCNFC_NR_NS_NO_OF_BITS (0x03) |
| /** S frame type start bit position */ |
| #define PH_LLCNFC_S_FRAME_TYPE_POS (0x03) |
| /** Number of bits (Type in S frame) */ |
| #define PH_LLCNFC_SFRAME_TYPE_NOOFBITS (0x02) |
| /** SREJ command */ |
| #define PH_LLCNFC_SREJ_BYTE_VALUE (0x00) |
| /** Number of CRC bytes in a LLC packet */ |
| #define PH_LLCNFC_NUM_OF_CRC_BYTES (0x02) |
| |
| /* This macro is used as the input for the function "phLlcNfc_H_IFrameList_Peek" |
| and "phLlcNfc_H_SendTimedOutIFrame" functions. This values means, take the starting |
| position as the reference */ |
| #define DEFAULT_PACKET_INPUT (0xFFU) |
| #define MAX_NS_NR_VALUE (0x07U) |
| |
| /************************ End of macros *****************************/ |
| |
| /********************** Callback functions **************************/ |
| |
| /******************* End of Callback functions **********************/ |
| |
| /********************* Structures and enums *************************/ |
| |
| /****************** End of structures and enums *********************/ |
| |
| /******************** Function declarations *************************/ |
| /** |
| * \ingroup grp_hal_nfc_llc_helper |
| * |
| * \brief LLC helper functions \b Frame Init function |
| * |
| * \copydoc page_reg Gets the LLC main context and stores it. |
| * |
| * \param[in] psLlcCtxt Llc main structure information |
| * |
| * \retval NFCSTATUS_SUCCESS Operation successful. |
| * \retval NFCSTATUS_INVALID_PARAMETER At least one parameter of the function is invalid. |
| * |
| */ |
| void phLlcNfc_H_Frame_Init ( |
| phLlcNfc_Context_t *psLlcCtxt |
| ); |
| |
| /** |
| * \ingroup grp_hal_nfc_llc_helper |
| * |
| * \brief LLC helper functions \b DeInit function |
| * |
| * \copydoc page_reg |
| * |
| * \param[in] psFrameInfo Frame structure information |
| * |
| * \retval NFCSTATUS_SUCCESS Operation successful. |
| * \retval NFCSTATUS_INVALID_PARAMETER At least one parameter of the function is invalid. |
| * |
| */ |
| void |
| phLlcNfc_H_Frame_DeInit ( |
| phLlcNfc_Frame_t *psFrameInfo |
| ); |
| |
| /** |
| * \ingroup grp_hal_nfc_llc_helper |
| * |
| * \brief LLC helper functions \b List append function |
| * |
| * \copydoc page_reg Append the new I frame information at the beginning of the list |
| * |
| * \param[in/out] psList List inofrmation to know where shall the packet should be stored |
| * \param[in] packetInfo Llc packet information |
| * |
| * \retval NFCSTATUS_SUCCESS Operation successful. |
| * \retval NFCSTATUS_INVALID_PARAMETER At least one parameter of the function is invalid. |
| * |
| */ |
| NFCSTATUS |
| phLlcNfc_H_StoreIFrame ( |
| phLlcNfc_StoreIFrame_t *psList, |
| phLlcNfc_LlcPacket_t sPacketInfo |
| |
| ); |
| |
| |
| /** |
| * \ingroup grp_hal_nfc_llc_helper |
| * |
| * \brief LLC helper functions <b>Create S frame</b> function |
| * |
| * \copydoc page_reg This function creates a S frame |
| * |
| * \param[in/out] pllcSFrmBuf Required buffer to create the S frame |
| * |
| * \retval NFCSTATUS_SUCCESS Operation successful. |
| * \retval NFCSTATUS_INVALID_PARAMETER At least one parameter of the function is invalid. |
| * |
| */ |
| void |
| phLlcNfc_H_Create_S_Frame( |
| uint8_t *pllcSFrmBuf |
| ); |
| |
| /** |
| * \ingroup grp_hal_nfc_llc_helper |
| * |
| * \brief LLC helper functions <b>Compute CRC</b> function |
| * |
| * \copydoc page_reg This function is used to compute CRC for the llc data |
| * |
| * \param[in] pData Llc data for which the CRC needs to be calculated |
| * \param[in] length Length is the value till the CRC needs to be |
| * calculated for the Llc data |
| * \param[in] pCrc1 1st CRC byte |
| * \param[in] pCrc2 2nd CRC byte |
| * |
| * \retval NFCSTATUS_SUCCESS Operation successful. |
| * \retval NFCSTATUS_INVALID_PARAMETER At least one parameter of the function is invalid. |
| * |
| */ |
| void |
| phLlcNfc_H_ComputeCrc( |
| uint8_t *pData, |
| uint8_t length, |
| uint8_t *pCrc1, |
| uint8_t *pCrc2 |
| ); |
| |
| /** |
| * \ingroup grp_hal_nfc_llc_helper |
| * |
| * \brief LLC helper functions <b>Create U frame payload </b> function |
| * |
| * \copydoc page_reg This function is used to create a LLC packet with U frame |
| * |
| * \param[in/out] psLlcCtxt Llc main structure information |
| * \param[in/out] psLlcPacket Llc packet sent by the upper layer |
| * \param[in/out] pLlcPacketLength Length of the llc packet |
| * \param[in] cmdType U frame has RSET/UA commands |
| * |
| * \retval NFCSTATUS_SUCCESS Operation successful. |
| * \retval NFCSTATUS_INVALID_PARAMETER At least one parameter of the function is invalid. |
| * |
| */ |
| NFCSTATUS |
| phLlcNfc_H_CreateUFramePayload ( |
| phLlcNfc_Context_t *psLlcCtxt, |
| phLlcNfc_LlcPacket_t *psLlcPacket, |
| uint8_t *pLlcPacketLength, |
| phLlcNfc_LlcCmd_t cmdType |
| ); |
| |
| /** |
| * \ingroup grp_hal_nfc_llc_helper |
| * |
| * \brief LLC helper functions <b>Create I frame payload </b> function |
| * |
| * \copydoc page_reg This function is used to create a LLC packet with I frame |
| * |
| * \param[in/out] psFrameInfo Information related to LLC frames are stored |
| * in this structure |
| * \param[in] pLlcBuf User given buffer or the buffer which needs LLC framing |
| * \param[in] llcBufLength Length of the parameter "pLlcBuf" |
| * |
| * \retval NFCSTATUS_SUCCESS Operation successful. |
| * \retval NFCSTATUS_INVALID_PARAMETER At least one parameter of the function is invalid. |
| * |
| */ |
| NFCSTATUS |
| phLlcNfc_H_CreateIFramePayload ( |
| phLlcNfc_Frame_t *psFrameInfo, |
| phLlcNfc_LlcPacket_t *psLlcPacket, |
| uint8_t *pLlcBuf, |
| uint8_t llcBufLength |
| ); |
| |
| /** |
| * \ingroup grp_hal_nfc_llc_helper |
| * |
| * \brief LLC helper functions <b>Process received frame </b> function |
| * |
| * \copydoc page_reg This function process the received data |
| * |
| * \param[in] pLlcCtxt Llc main context |
| * |
| * \retval NFCSTATUS_SUCCESS Operation successful. |
| * \retval NFCSTATUS_INVALID_FORMAT If any error in the frame |
| */ |
| NFCSTATUS |
| phLlcNfc_H_ProRecvFrame ( |
| phLlcNfc_Context_t *psLlcCtxt |
| ); |
| |
| /** |
| * \ingroup grp_hal_nfc_llc_helper |
| * |
| * \brief LLC component <b>resend the I frame</b> function |
| * |
| * \copydoc page_reg This is a helper function which, sends back the timed out |
| * I frame to the PN544. This is due to the reason that ACK is not received |
| * from PN544 within the guard time-out value |
| * |
| * \param[in] psLlcCtxt Llc main structure information |
| * \param[in/out] psListInfo List of I frame information |
| * \param[in] ns_frame_no Frame number to send (to send the first stored |
| * frame send DEFAULT_PACKET_INPUT) |
| * |
| * \retval NFCSTATUS_SUCCESS Operation successful. |
| * \retval NFCSTATUS_INVALID_PARAMETER At least one parameter of the function is invalid. |
| * |
| */ |
| extern |
| NFCSTATUS |
| phLlcNfc_H_SendTimedOutIFrame ( |
| phLlcNfc_Context_t *psLlcCtxt, |
| phLlcNfc_StoreIFrame_t *psListInfo, |
| uint8_t ns_frame_no |
| ); |
| |
| /** |
| * \ingroup grp_hal_nfc_llc_helper |
| * |
| * \brief LLC state machine functions \b Change state function |
| * |
| * \copydoc page_reg changes the state if possible else returns error |
| * |
| * \param[in, out] psLlcCtxt Llc main structure information |
| * \param[in] changeStateTo Next state to change |
| * |
| * \retval NFCSTATUS_SUCCESS Operation successful. |
| * \retval NFCSTATUS_INVALID_PARAMETER At least one parameter of the function is invalid. |
| * |
| */ |
| extern |
| NFCSTATUS |
| phLlcNfc_H_ChangeState( |
| phLlcNfc_Context_t *psLlcCtxt, |
| phLlcNfc_State_t changeStateTo |
| ); |
| |
| #ifdef CRC_ERROR_REJ |
| /** |
| * \ingroup grp_hal_nfc_llc_helper |
| * |
| * \brief LLC send reject command function |
| * |
| * \copydoc page_reg Sends reject command, when CRC error is recieved |
| * |
| * \param[in, out] psLlcCtxt Llc main structure information |
| * |
| * \retval NFCSTATUS_SUCCESS Operation successful. |
| * \retval NFCSTATUS_INVALID_PARAMETER At least one parameter of the function is invalid. |
| * |
| */ |
| extern |
| NFCSTATUS |
| phLlcNfc_H_SendRejectFrame( |
| phLlcNfc_Context_t *psLlcCtxt |
| ); |
| #endif /* #ifdef CRC_ERROR_REJ */ |
| |
| /** |
| * \ingroup grp_hal_nfc_llc_helper |
| * |
| * \brief LLC Write wait call function |
| * |
| * \copydoc page_reg Write that has been ignored earlier will be called in this function |
| * |
| * \param[in, out] psLlcCtxt Llc main structure information |
| * |
| * \retval NFCSTATUS_SUCCESS Operation successful. |
| * \retval NFCSTATUS_BUSY Write is pended, so wait till it completes. |
| * \retval NFCSTATUS_INVALID_PARAMETER At least one parameter of the function is invalid. |
| * |
| */ |
| extern |
| NFCSTATUS |
| phLlcNfc_H_WriteWaitCall ( |
| phLlcNfc_Context_t *psLlcCtxt |
| ); |
| |
| /** |
| * \ingroup grp_hal_nfc_llc_helper |
| * |
| * \brief LLC Send user frame function |
| * |
| * \copydoc page_reg Sends the stored user frame, that are not sent. |
| * |
| * \param[in, out] psLlcCtxt Llc main structure information |
| * \param[in] psListInfo Stored list of packets |
| * |
| * No return value |
| * |
| */ |
| NFCSTATUS |
| phLlcNfc_H_SendUserIFrame ( |
| phLlcNfc_Context_t *psLlcCtxt, |
| phLlcNfc_StoreIFrame_t *psListInfo |
| ); |
| |
| /** |
| * \ingroup grp_hal_nfc_llc_helper |
| * |
| * \brief LLC Send rejected frame function |
| * |
| * \copydoc page_reg Sends the stored rejected frame from PN544. |
| * |
| * \param[in, out] psLlcCtxt Llc main structure information |
| * \param[in] psListInfo Stored list of packets |
| * \param[in] ns_rejected N(S) that was rejected |
| * |
| * No return value |
| * |
| */ |
| NFCSTATUS |
| phLlcNfc_H_SendRejectedIFrame ( |
| phLlcNfc_Context_t *psLlcCtxt, |
| phLlcNfc_StoreIFrame_t *psListInfo, |
| uint8_t ns_rejected |
| ); |
| |
| /** |
| * \ingroup grp_hal_nfc_llc_helper |
| * |
| * \brief LLC Send upper layer information function |
| * |
| * \copydoc page_reg Sends received information to the upper layer frame. |
| * |
| * \param[in, out] psLlcCtxt Llc main structure information |
| * |
| * No return value |
| * |
| */ |
| void |
| phLlcNfc_H_SendInfo( |
| phLlcNfc_Context_t *psLlcCtxt |
| ); |
| |
| |
| /******************** Function declarations *************************/ |
| #endif /* #ifndef PHLLCNFC_FRAME_H */ |
| |
| |
