2022-04-28 02:04:02 +02:00

652 lines
28 KiB
C

/******************************************************************************
* \attention
*
* <h2><center>&copy; COPYRIGHT 2019 STMicroelectronics</center></h2>
*
* Licensed under ST MYLIBERTY SOFTWARE LICENSE AGREEMENT (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* www.st.com/myliberty
*
* 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,
* AND SPECIFICALLY DISCLAIMING THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/*! \file
*
* \author
*
* \brief Demo application
*
* This demo shows how to poll for several types of NFC cards/devices and how
* to exchange data with these devices, using the RFAL library.
*
* This demo does not fully implement the activities according to the standards,
* it performs the required to communicate with a card/device and retrieve
* its UID. Also blocking methods are used for data exchange which may lead to
* long periods of blocking CPU/MCU.
* For standard compliant example please refer to the Examples provided
* with the RFAL library.
*
*/
/*
******************************************************************************
* INCLUDES
******************************************************************************
*/
#include "demo.h"
#include "utils.h"
#include "rfal_nfc.h"
#if defined(ST25R3916) && defined(RFAL_FEATURE_LISTEN_MODE)
#include "demo_ce.h"
#endif
/*
******************************************************************************
* GLOBAL DEFINES
******************************************************************************
*/
/* Definition of possible states the demo state machine could have */
#define DEMO_ST_NOTINIT 0 /*!< Demo State: Not initialized */
#define DEMO_ST_START_DISCOVERY 1 /*!< Demo State: Start Discovery */
#define DEMO_ST_DISCOVERY 2 /*!< Demo State: Discovery */
#define DEMO_NFCV_BLOCK_LEN 4 /*!< NFCV Block len */
#define DEMO_NFCV_USE_SELECT_MODE false /*!< NFCV demonstrate select mode */
#define DEMO_NFCV_WRITE_TAG false /*!< NFCV demonstrate Write Single Block */
/*
******************************************************************************
* GLOBAL MACROS
******************************************************************************
*/
/*
******************************************************************************
* LOCAL VARIABLES
******************************************************************************
*/
/* P2P communication data */
static uint8_t NFCID3[] = {0x01, 0xFE, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A};
static uint8_t GB[] = {0x46, 0x66, 0x6d, 0x01, 0x01, 0x11, 0x02, 0x02, 0x07, 0x80, 0x03, 0x02, 0x00, 0x03, 0x04, 0x01, 0x32, 0x07, 0x01, 0x03};
/* APDUs communication data */
static uint8_t ndefSelectApp[] = { 0x00, 0xA4, 0x04, 0x00, 0x07, 0xD2, 0x76, 0x00, 0x00, 0x85, 0x01, 0x01, 0x00 };
static uint8_t ccSelectFile[] = { 0x00, 0xA4, 0x00, 0x0C, 0x02, 0xE1, 0x03};
static uint8_t readBynary[] = { 0x00, 0xB0, 0x00, 0x00, 0x0F };
/*static uint8_t ppseSelectApp[] = { 0x00, 0xA4, 0x04, 0x00, 0x0E, 0x32, 0x50, 0x41, 0x59, 0x2E, 0x53, 0x59, 0x53, 0x2E, 0x44, 0x44, 0x46, 0x30, 0x31, 0x00 };*/
/* P2P communication data */
static uint8_t ndefLLCPSYMM[] = {0x00, 0x00};
static uint8_t ndefInit[] = {0x05, 0x20, 0x06, 0x0F, 0x75, 0x72, 0x6E, 0x3A, 0x6E, 0x66, 0x63, 0x3A, 0x73, 0x6E, 0x3A, 0x73, 0x6E, 0x65, 0x70, 0x02, 0x02, 0x07, 0x80, 0x05, 0x01, 0x02};
static uint8_t ndefUriSTcom[] = {0x13, 0x20, 0x00, 0x10, 0x02, 0x00, 0x00, 0x00, 0x19, 0xc1, 0x01, 0x00, 0x00, 0x00, 0x12, 0x55, 0x00, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x77, 0x77, 0x77, 0x2e, 0x73, 0x74, 0x2e, 0x63, 0x6f, 0x6d};
#if defined(ST25R3916) && defined(RFAL_FEATURE_LISTEN_MODE)
/* NFC-A CE config */
static uint8_t ceNFCA_NFCID[] = {0x02, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66}; /* NFCID / UID (7 bytes) */
static uint8_t ceNFCA_SENS_RES[] = {0x44, 0x00}; /* SENS_RES / ATQA */
static uint8_t ceNFCA_SEL_RES = 0x20; /* SEL_RES / SAK */
/* NFC-F CE config */
static uint8_t ceNFCF_nfcid2[] = {0x02, 0xFE, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66};
static uint8_t ceNFCF_SC[] = {0x12, 0xFC};
static uint8_t ceNFCF_SENSF_RES[] = {0x01, /* SENSF_RES */
0x02, 0xFE, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, /* NFCID2 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x7F, 0x7F, 0x00, /* PAD0, PAD01, MRTIcheck, MRTIupdate, PAD2 */
0x00, 0x00 }; /* RD */
#endif /* RFAL_FEATURE_LISTEN_MODE */
/*
******************************************************************************
* LOCAL VARIABLES
******************************************************************************
*/
static rfalNfcDiscoverParam discParam;
static uint8_t state = DEMO_ST_NOTINIT;
/*
******************************************************************************
* LOCAL FUNCTION PROTOTYPES
******************************************************************************
*/
static void demoP2P( void );
static void demoAPDU( void );
static void demoNfcv( rfalNfcvListenDevice *nfcvDev );
static void demoNfcf( rfalNfcfListenDevice *nfcfDev );
static void demoCE( rfalNfcDevice *nfcDev );
static void demoNotif( rfalNfcState st );
ReturnCode demoTransceiveBlocking( uint8_t *txBuf, uint16_t txBufSize, uint8_t **rxBuf, uint16_t **rcvLen, uint32_t fwt );
/*!
*****************************************************************************
* \brief Demo Notification
*
* This function receives the event notifications from RFAL
*****************************************************************************
*/
static void demoNotif( rfalNfcState st )
{
uint8_t devCnt;
rfalNfcDevice *dev;
if( st == RFAL_NFC_STATE_WAKEUP_MODE )
{
platformLog("Wake Up mode started \r\n");
}
else if( st == RFAL_NFC_STATE_POLL_TECHDETECT )
{
platformLog("Wake Up mode terminated. Polling for devices \r\n");
}
else if( st == RFAL_NFC_STATE_POLL_SELECT )
{
/* Multiple devices were found, activate first of them */
rfalNfcGetDevicesFound( &dev, &devCnt );
rfalNfcSelect( 0 );
platformLog("Multiple Tags detected: %d \r\n", devCnt);
}
}
/*!
*****************************************************************************
* \brief Demo Ini
*
* This function Initializes the required layers for the demo
*
* \return true : Initialization ok
* \return false : Initialization failed
*****************************************************************************
*/
bool demoIni( void )
{
ReturnCode err;
err = rfalNfcInitialize();
if( err == ERR_NONE )
{
discParam.compMode = RFAL_COMPLIANCE_MODE_NFC;
discParam.devLimit = 1U;
discParam.nfcfBR = RFAL_BR_212;
discParam.ap2pBR = RFAL_BR_424;
ST_MEMCPY( &discParam.nfcid3, NFCID3, sizeof(NFCID3) );
ST_MEMCPY( &discParam.GB, GB, sizeof(GB) );
discParam.GBLen = sizeof(GB);
discParam.notifyCb = demoNotif;
discParam.totalDuration = 1000U;
discParam.wakeupEnabled = false;
discParam.wakeupConfigDefault = true;
discParam.techs2Find = ( RFAL_NFC_POLL_TECH_A | RFAL_NFC_POLL_TECH_B | RFAL_NFC_POLL_TECH_F | RFAL_NFC_POLL_TECH_V | RFAL_NFC_POLL_TECH_ST25TB );
#if defined(ST25R3911) || defined(ST25R3916)
discParam.techs2Find |= RFAL_NFC_POLL_TECH_AP2P;
#endif /* ST25R95 */
#if defined(ST25R3916)
/* Set configuration for NFC-A CE */
ST_MEMCPY( discParam.lmConfigPA.SENS_RES, ceNFCA_SENS_RES, RFAL_LM_SENS_RES_LEN ); /* Set SENS_RES / ATQA */
ST_MEMCPY( discParam.lmConfigPA.nfcid, ceNFCA_NFCID, RFAL_NFCID2_LEN ); /* Set NFCID / UID */
discParam.lmConfigPA.nfcidLen = RFAL_LM_NFCID_LEN_07; /* Set NFCID length to 7 bytes */
discParam.lmConfigPA.SEL_RES = ceNFCA_SEL_RES; /* Set SEL_RES / SAK */
/* Set configuration for NFC-F CE */
ST_MEMCPY( discParam.lmConfigPF.SC, ceNFCF_SC, RFAL_LM_SENSF_SC_LEN ); /* Set System Code */
ST_MEMCPY( &ceNFCF_SENSF_RES[RFAL_NFCF_LENGTH_LEN], ceNFCF_nfcid2, RFAL_LM_SENSF_RES_LEN ); /* Load NFCID2 on SENSF_RES */
ST_MEMCPY( discParam.lmConfigPF.SENSF_RES, ceNFCF_SENSF_RES, RFAL_LM_SENSF_RES_LEN ); /* Set SENSF_RES / Poll Response */
discParam.techs2Find |= ( RFAL_NFC_LISTEN_TECH_A | RFAL_NFC_LISTEN_TECH_F );
#endif /* ST25R95 */
state = DEMO_ST_START_DISCOVERY;
return true;
}
return false;
}
/*!
*****************************************************************************
* \brief Demo Cycle
*
* This function executes the demo state machine.
* It must be called periodically
*****************************************************************************
*/
void demoCycle( void )
{
static rfalNfcDevice *nfcDevice;
rfalNfcWorker(); /* Run RFAL worker periodically */
/*******************************************************************************/
/* Check if USER button is pressed */
if( platformGpioIsLow(PLATFORM_USER_BUTTON_PORT, PLATFORM_USER_BUTTON_PIN))
{
discParam.wakeupEnabled = !discParam.wakeupEnabled; /* enable/disable wakeup */
state = DEMO_ST_START_DISCOVERY; /* restart loop */
platformLog("Toggling Wake Up mode %s\r\n", discParam.wakeupEnabled ? "ON": "OFF");
/* Debounce button */
while( platformGpioIsLow(PLATFORM_USER_BUTTON_PORT, PLATFORM_USER_BUTTON_PIN) );
}
switch( state )
{
/*******************************************************************************/
case DEMO_ST_START_DISCOVERY:
platformLedOff(PLATFORM_LED_A_PORT, PLATFORM_LED_A_PIN);
platformLedOff(PLATFORM_LED_B_PORT, PLATFORM_LED_B_PIN);
platformLedOff(PLATFORM_LED_F_PORT, PLATFORM_LED_F_PIN);
platformLedOff(PLATFORM_LED_V_PORT, PLATFORM_LED_V_PIN);
platformLedOff(PLATFORM_LED_AP2P_PORT, PLATFORM_LED_AP2P_PIN);
platformLedOff(PLATFORM_LED_FIELD_PORT, PLATFORM_LED_FIELD_PIN);
rfalNfcDeactivate( false );
rfalNfcDiscover( &discParam );
state = DEMO_ST_DISCOVERY;
break;
/*******************************************************************************/
case DEMO_ST_DISCOVERY:
if( rfalNfcIsDevActivated( rfalNfcGetState() ) )
{
rfalNfcGetActiveDevice( &nfcDevice );
switch( nfcDevice->type )
{
/*******************************************************************************/
case RFAL_NFC_LISTEN_TYPE_NFCA:
platformLedOn(PLATFORM_LED_A_PORT, PLATFORM_LED_A_PIN);
switch( nfcDevice->dev.nfca.type )
{
case RFAL_NFCA_T1T:
platformLog("ISO14443A/Topaz (NFC-A T1T) TAG found. UID: %s\r\n", hex2Str( nfcDevice->nfcid, nfcDevice->nfcidLen ) );
break;
case RFAL_NFCA_T4T:
platformLog("NFCA Passive ISO-DEP device found. UID: %s\r\n", hex2Str( nfcDevice->nfcid, nfcDevice->nfcidLen ) );
demoAPDU();
break;
case RFAL_NFCA_T4T_NFCDEP:
case RFAL_NFCA_NFCDEP:
platformLog("NFCA Passive P2P device found. NFCID: %s\r\n", hex2Str( nfcDevice->nfcid, nfcDevice->nfcidLen ) );
demoP2P();
break;
default:
platformLog("ISO14443A/NFC-A card found. UID: %s\r\n", hex2Str( nfcDevice->nfcid, nfcDevice->nfcidLen ) );
break;
}
break;
/*******************************************************************************/
case RFAL_NFC_LISTEN_TYPE_NFCB:
platformLog("ISO14443B/NFC-B card found. UID: %s\r\n", hex2Str( nfcDevice->nfcid, nfcDevice->nfcidLen ) );
platformLedOn(PLATFORM_LED_B_PORT, PLATFORM_LED_B_PIN);
if( rfalNfcbIsIsoDepSupported( &nfcDevice->dev.nfcb ) )
{
demoAPDU();
}
break;
/*******************************************************************************/
case RFAL_NFC_LISTEN_TYPE_NFCF:
if( rfalNfcfIsNfcDepSupported( &nfcDevice->dev.nfcf ) )
{
platformLog("NFCF Passive P2P device found. NFCID: %s\r\n", hex2Str( nfcDevice->nfcid, nfcDevice->nfcidLen ) );
demoP2P();
}
else
{
platformLog("Felica/NFC-F card found. UID: %s\r\n", hex2Str( nfcDevice->nfcid, nfcDevice->nfcidLen ));
demoNfcf( &nfcDevice->dev.nfcf );
}
platformLedOn(PLATFORM_LED_F_PORT, PLATFORM_LED_F_PIN);
break;
/*******************************************************************************/
case RFAL_NFC_LISTEN_TYPE_NFCV:
{
uint8_t devUID[RFAL_NFCV_UID_LEN];
ST_MEMCPY( devUID, nfcDevice->nfcid, nfcDevice->nfcidLen ); /* Copy the UID into local var */
REVERSE_BYTES( devUID, RFAL_NFCV_UID_LEN ); /* Reverse the UID for display purposes */
platformLog("ISO15693/NFC-V card found. UID: %s\r\n", hex2Str(devUID, RFAL_NFCV_UID_LEN));
platformLedOn(PLATFORM_LED_V_PORT, PLATFORM_LED_V_PIN);
demoNfcv( &nfcDevice->dev.nfcv );
}
break;
/*******************************************************************************/
case RFAL_NFC_LISTEN_TYPE_ST25TB:
platformLog("ST25TB card found. UID: %s\r\n", hex2Str( nfcDevice->nfcid, nfcDevice->nfcidLen ));
platformLedOn(PLATFORM_LED_B_PORT, PLATFORM_LED_B_PIN);
break;
/*******************************************************************************/
case RFAL_NFC_LISTEN_TYPE_AP2P:
platformLog("NFC Active P2P device found. NFCID3: %s\r\n", hex2Str(nfcDevice->nfcid, nfcDevice->nfcidLen));
platformLedOn(PLATFORM_LED_AP2P_PORT, PLATFORM_LED_AP2P_PIN);
demoP2P();
break;
/*******************************************************************************/
case RFAL_NFC_POLL_TYPE_NFCA:
case RFAL_NFC_POLL_TYPE_NFCF:
platformLog("Activated in CE %s mode.\r\n", (nfcDevice->type == RFAL_NFC_POLL_TYPE_NFCA) ? "NFC-A" : "NFC-F");
platformLedOn( ((nfcDevice->type == RFAL_NFC_POLL_TYPE_NFCA) ? PLATFORM_LED_A_PORT : PLATFORM_LED_F_PORT),
((nfcDevice->type == RFAL_NFC_POLL_TYPE_NFCA) ? PLATFORM_LED_A_PIN : PLATFORM_LED_F_PIN) );
demoCE( nfcDevice );
break;
/*******************************************************************************/
default:
break;
}
rfalNfcDeactivate( false );
platformDelay( 500 );
state = DEMO_ST_START_DISCOVERY;
}
break;
/*******************************************************************************/
case DEMO_ST_NOTINIT:
default:
break;
}
}
static void demoCE( rfalNfcDevice *nfcDev )
{
#if defined(ST25R3916) && defined(RFAL_FEATURE_LISTEN_MODE)
ReturnCode err;
uint8_t *rxData;
uint16_t *rcvLen;
uint8_t txBuf[100];
uint16_t txLen;
demoCeInit( ceNFCF_nfcid2 );
do
{
rfalNfcWorker();
switch( rfalNfcGetState() )
{
case RFAL_NFC_STATE_ACTIVATED:
err = demoTransceiveBlocking( NULL, 0, &rxData, &rcvLen, 0);
break;
case RFAL_NFC_STATE_DATAEXCHANGE:
case RFAL_NFC_STATE_DATAEXCHANGE_DONE:
txLen = ( (nfcDev->type == RFAL_NFC_POLL_TYPE_NFCA) ? demoCeT4T( rxData, *rcvLen, txBuf, sizeof(txBuf) ): demoCeT3T( rxData, *rcvLen, txBuf, sizeof(txBuf) ) );
err = demoTransceiveBlocking( txBuf, txLen, &rxData, &rcvLen, RFAL_FWT_NONE );
break;
case RFAL_NFC_STATE_LISTEN_SLEEP:
default:
break;
}
}
while( (err == ERR_NONE) || (err == ERR_SLEEP_REQ) );
#endif /* RFAL_FEATURE_LISTEN_MODE */
}
/*!
*****************************************************************************
* \brief Demo NFC-F
*
* Example how to exchange read and write blocks on a NFC-F tag
*
*****************************************************************************
*/
static void demoNfcf( rfalNfcfListenDevice *nfcfDev )
{
ReturnCode err;
uint8_t buf[ (RFAL_NFCF_NFCID2_LEN + RFAL_NFCF_CMD_LEN + (3*RFAL_NFCF_BLOCK_LEN)) ];
uint16_t rcvLen;
rfalNfcfServ srv = RFAL_NFCF_SERVICECODE_RDWR;
rfalNfcfBlockListElem bl[3];
rfalNfcfServBlockListParam servBlock;
//uint8_t wrData[] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF };
servBlock.numServ = 1; /* Only one Service to be used */
servBlock.servList = &srv; /* Service Code: NDEF is Read/Writeable */
servBlock.numBlock = 1; /* Only one block to be used */
servBlock.blockList = bl;
bl[0].conf = RFAL_NFCF_BLOCKLISTELEM_LEN; /* Two-byte Block List Element */
bl[0].blockNum = 0x0001; /* Block: NDEF Data */
err = rfalNfcfPollerCheck( nfcfDev->sensfRes.NFCID2, &servBlock, buf, sizeof(buf), &rcvLen);
platformLog(" Check Block: %s Data: %s \r\n", (err != ERR_NONE) ? "FAIL": "OK", (err != ERR_NONE) ? "" : hex2Str( &buf[1], RFAL_NFCF_BLOCK_LEN) );
#if 0 /* Writing example */
err = rfalNfcfPollerUpdate( nfcfDev->sensfRes.NFCID2, &servBlock, buf , sizeof(buf), wrData, buf, sizeof(buf) );
platformLog(" Update Block: %s Data: %s \r\n", (err != ERR_NONE) ? "FAIL": "OK", (err != ERR_NONE) ? "" : hex2Str( wrData, RFAL_NFCF_BLOCK_LEN) );
err = rfalNfcfPollerCheck( nfcfDev->sensfRes.NFCID2, &servBlock, buf, sizeof(buf), &rcvLen);
platformLog(" Check Block: %s Data: %s \r\n", (err != ERR_NONE) ? "FAIL": "OK", (err != ERR_NONE) ? "" : hex2Str( &buf[1], RFAL_NFCF_BLOCK_LEN) );
#endif
}
/*!
*****************************************************************************
* \brief Demo NFC-V Exchange
*
* Example how to exchange read and write blocks on a NFC-V tag
*
*****************************************************************************
*/
static void demoNfcv( rfalNfcvListenDevice *nfcvDev )
{
ReturnCode err;
uint16_t rcvLen;
uint8_t blockNum = 1;
uint8_t rxBuf[ 1 + DEMO_NFCV_BLOCK_LEN + RFAL_CRC_LEN ]; /* Flags + Block Data + CRC */
uint8_t * uid;
#if DEMO_NFCV_WRITE_TAG
uint8_t wrData[DEMO_NFCV_BLOCK_LEN] = { 0x11, 0x22, 0x33, 0x99 }; /* Write block example */
#endif
uid = nfcvDev->InvRes.UID;
#if DEMO_NFCV_USE_SELECT_MODE
/*
* Activate selected state
*/
err = rfalNfcvPollerSelect(RFAL_NFCV_REQ_FLAG_DEFAULT, nfcvDev->InvRes.UID );
platformLog(" Select %s \r\n", (err != ERR_NONE) ? "FAIL (revert to addressed mode)": "OK" );
if( err == ERR_NONE )
{
uid = NULL;
}
#endif
/*
* Read block using Read Single Block command
* with addressed mode (uid != NULL) or selected mode (uid == NULL)
*/
err = rfalNfcvPollerReadSingleBlock(RFAL_NFCV_REQ_FLAG_DEFAULT, uid, blockNum, rxBuf, sizeof(rxBuf), &rcvLen);
platformLog(" Read Block: %s %s\r\n", (err != ERR_NONE) ? "FAIL": "OK Data:", (err != ERR_NONE) ? "" : hex2Str( &rxBuf[1], DEMO_NFCV_BLOCK_LEN));
#if DEMO_NFCV_WRITE_TAG /* Writing example */
err = rfalNfcvPollerWriteSingleBlock(RFAL_NFCV_REQ_FLAG_DEFAULT, uid, blockNum, wrData, sizeof(wrData));
platformLog(" Write Block: %s Data: %s\r\n", (err != ERR_NONE) ? "FAIL": "OK", hex2Str( wrData, DEMO_NFCV_BLOCK_LEN) );
err = rfalNfcvPollerReadSingleBlock(RFAL_NFCV_REQ_FLAG_DEFAULT, uid, blockNum, rxBuf, sizeof(rxBuf), &rcvLen);
platformLog(" Read Block: %s %s\r\n", (err != ERR_NONE) ? "FAIL": "OK Data:", (err != ERR_NONE) ? "" : hex2Str( &rxBuf[1], DEMO_NFCV_BLOCK_LEN));
#endif
}
/*!
*****************************************************************************
* \brief Demo P2P Exchange
*
* Sends a NDEF URI record 'http://www.ST.com' via NFC-DEP (P2P) protocol.
*
* This method sends a set of static predefined frames which tries to establish
* a LLCP connection, followed by the NDEF record, and then keeps sending
* LLCP SYMM packets to maintain the connection.
*
*
*****************************************************************************
*/
void demoP2P( void )
{
uint16_t *rxLen;
uint8_t *rxData;
ReturnCode err;
platformLog(" Initalize device .. ");
err = demoTransceiveBlocking( ndefInit, sizeof(ndefInit), &rxData, &rxLen, RFAL_FWT_NONE);
if( err != ERR_NONE )
{
platformLog("failed.");
return;
}
platformLog("succeeded.\r\n");
platformLog(" Push NDEF Uri: www.ST.com .. ");
err = demoTransceiveBlocking( ndefUriSTcom, sizeof(ndefUriSTcom), &rxData, &rxLen, RFAL_FWT_NONE);
if( err != ERR_NONE )
{
platformLog("failed.");
return;
}
platformLog("succeeded.\r\n");
platformLog(" Device present, maintaining connection ");
while(err == ERR_NONE)
{
err = demoTransceiveBlocking( ndefLLCPSYMM, sizeof(ndefLLCPSYMM), &rxData, &rxLen, RFAL_FWT_NONE);
platformLog(".");
platformDelay(50);
}
platformLog("\r\n Device removed.\r\n");
}
/*!
*****************************************************************************
* \brief Demo APDUs Exchange
*
* Example how to exchange a set of predefined APDUs with PICC. The NDEF
* application will be selected and then CC will be selected and read.
*
*****************************************************************************
*/
void demoAPDU( void )
{
ReturnCode err;
uint16_t *rxLen;
uint8_t *rxData;
/* Exchange APDU: NDEF Tag Application Select command */
err = demoTransceiveBlocking( ndefSelectApp, sizeof(ndefSelectApp), &rxData, &rxLen, RFAL_FWT_NONE );
platformLog(" Select NDEF Application: %s Data: %s\r\n", (err != ERR_NONE) ? "FAIL": "OK", hex2Str( rxData, *rxLen) );
if( (err == ERR_NONE) && rxData[0] == 0x90 && rxData[1] == 0x00)
{
/* Exchange APDU: Select Capability Container File */
err = demoTransceiveBlocking( ccSelectFile, sizeof(ccSelectFile), &rxData, &rxLen, RFAL_FWT_NONE );
platformLog(" Select CC: %s Data: %s\r\n", (err != ERR_NONE) ? "FAIL": "OK", hex2Str( rxData, *rxLen) );
/* Exchange APDU: Read Capability Container File */
err = demoTransceiveBlocking( readBynary, sizeof(readBynary), &rxData, &rxLen, RFAL_FWT_NONE );
platformLog(" Read CC: %s Data: %s\r\n", (err != ERR_NONE) ? "FAIL": "OK", hex2Str( rxData, *rxLen) );
}
}
/*!
*****************************************************************************
* \brief Demo Blocking Transceive
*
* Helper function to send data in a blocking manner via the rfalNfc module
*
* \warning A protocol transceive handles long timeouts (several seconds),
* transmission errors and retransmissions which may lead to a long period of
* time where the MCU/CPU is blocked in this method.
* This is a demo implementation, for a non-blocking usage example please
* refer to the Examples available with RFAL
*
* \param[in] txBuf : data to be transmitted
* \param[in] txBufSize : size of the data to be transmited
* \param[out] rxData : location where the received data has been placed
* \param[out] rcvLen : number of data bytes received
* \param[in] fwt : FWT to be used (only for RF frame interface,
* otherwise use RFAL_FWT_NONE)
*
*
* \return ERR_PARAM : Invalid parameters
* \return ERR_TIMEOUT : Timeout error
* \return ERR_FRAMING : Framing error detected
* \return ERR_PROTO : Protocol error detected
* \return ERR_NONE : No error, activation successful
*
*****************************************************************************
*/
ReturnCode demoTransceiveBlocking( uint8_t *txBuf, uint16_t txBufSize, uint8_t **rxData, uint16_t **rcvLen, uint32_t fwt )
{
ReturnCode err;
err = rfalNfcDataExchangeStart( txBuf, txBufSize, rxData, rcvLen, fwt );
if( err == ERR_NONE )
{
do{
rfalNfcWorker();
err = rfalNfcDataExchangeGetStatus();
}
while( err == ERR_BUSY );
}
return err;
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/