X-NUCLEO-NFC04A1 dynamic NFC/RFID tag IC expansion board Firmware Package

Diff: source/x_nucleo_nfc04.cpp

Revision:

0:3f1a69fc394e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/source/x_nucleo_nfc04.cpp	Thu Nov 14 11:23:21 2019 +0000
@@ -0,0 +1,142 @@
+#include "x_nucleo_nfc04.h"
+
+extern sCCFileInfo CCFileStruct;
+
+// This is a constructor
+
+X_Nucleo_NFC04::X_Nucleo_NFC04(I2C* i2cChannel, DigitalOut* led_1, DigitalOut* led_2, DigitalOut* led_3, DigitalOut* LPD, DigitalIn* MISO){
+    mi2cChannel = i2cChannel;
+    mled_1 = led_1;
+    mled_2 = led_2;
+    mled_3 = led_3;
+    mLPD = LPD;
+    mMISO = MISO;
+}
+
+/**
+  * @brief  This function initialize the device
+  * @param  mi2cChannel : I2C Channel
+  * @param  mLPD : A digital PIN
+  * @retval status(int) : Return if the write operation is succesful
+  */
+
+int X_Nucleo_NFC04::begin(I2C* mi2cChannel, DigitalOut *mLPD) {
+    int ret = 0;
+    
+    // Light some leds
+    ledOn(mled_1);
+    wait_ms( 300 );
+    ledOn(mled_2);
+
+    /* NFCTAG Init */
+    ret = BSP_NFCTAG_Init(mi2cChannel, mLPD);
+    if(ret != NDEF_OK)
+        return ret;
+
+    /* Reset MBEN Dynamic and initializes the CCFile struct */
+    BSP_NFCTAG_GetExtended_Drv()->ResetMBEN_Dyn( mi2cChannel );
+    if( NfcType5_NDEFDetection( mi2cChannel) != NDEF_OK )
+    {
+        CCFileStruct.MagicNumber = NFCT5_MAGICNUMBER_E1_CCFILE;
+        CCFileStruct.Version = NFCT5_VERSION_V1_0;
+        CCFileStruct.MemorySize = ( ST25DV_MAX_SIZE / 8 ) & 0xFF;
+        CCFileStruct.TT5Tag = 0x05;
+        /* Init of the Type Tag 5 component (M24LR) */
+        ret = NfcType5_TT5Init( mi2cChannel );
+        if (ret != NDEF_OK)
+            return ret;
+    }
+    
+    ledOff( mled_1 );
+    wait_ms( 300 );
+    ledOff( mled_2 );
+    wait_ms( 300 );
+    ledOff( mled_3 );
+    wait_ms( 300 );
+    return NDEF_OK;
+}
+
+
+/**
+  * @brief  This function light on selected Led
+  * @param  led : Led to be lit on
+  * @retval None
+  */
+void X_Nucleo_NFC04::ledOn(DigitalOut* led) {
+    led -> write(1);
+}
+
+/**
+  * @brief  This function light off selected Led
+  * @param  led : Led to be lit off
+  * @retval None
+  */
+
+void X_Nucleo_NFC04::ledOff(DigitalOut* led) {
+    *led = 0;
+}
+
+
+/**
+  * @brief  This function write an URI into the NFC Tag
+  * @param  protocol : Protocol of the uri to write
+  * @param  uri : String containing the uri to write in the NFC Tag
+  * @param  info : Additional info
+  * @param  mi2cChannel : Object of the I2C channel
+  * @retval status(int) : Return if the write operation is succesful
+  */
+int X_Nucleo_NFC04::writeURI(string protocol, string uri, string info, I2C* mi2cChannel) {
+    sURI_Info _URI;
+    strcpy( _URI.protocol,protocol.c_str() );
+    strcpy( _URI.URI_Message,uri.c_str() );
+    strcpy( _URI.Information,info.c_str() );
+
+
+    return NDEF_WriteURI( &_URI, mi2cChannel );
+}
+
+/**
+  * @brief  This function read an URI from the NFC Tag
+  * @param  mi2cChannel : Object of the I2C channel
+  * @retval string : Return the string that has been read from the NFC Tag
+  */
+
+string X_Nucleo_NFC04::readURI( I2C* mi2cChannel) {
+    sURI_Info uri = {"","",""};
+    sRecordInfo_t recordInfo;
+    // increase buffer size for bigger messages
+    if(NDEF_ReadNDEF(NDEF_Buffer, mi2cChannel))
+        return (string)NULL;
+    
+    if(NDEF_IdentifyBuffer(&recordInfo, NDEF_Buffer))
+        return (string)NULL;
+    if(NDEF_ReadURI(&recordInfo,&uri))
+        return (string)NULL;
+    return string(uri.protocol) + string(uri.URI_Message);
+}
+
+
+/**
+  * @brief  This function write WiFi Credentials into the NFC Tag
+  * @param  NetworkSSID : SSID of the WiFi Network
+  * @param  AuthenticationType :
+  * @param  EncryptionType :
+  * @param  NetworkKey : Password of the WiFi
+  * @param  mi2cChannel : Object of the I2C channel
+  * @retval status(int) : Return if the write operation is succesful
+  */
+uint16_t X_Nucleo_NFC04::writeWiFi(string NetworkSSID, Ndef_Wifi_Authentication_t AuthenticationType, Ndef_Wifi_Encryption_t EncryptionType, string NetworkKey, I2C* mi2cChannel ){
+
+    sWifiTokenInfo _wifi;
+
+    strcpy( _wifi.NetworkSSID,NetworkSSID.c_str() );
+    _wifi.AuthenticationType = AuthenticationType;
+    _wifi.EncryptionType = EncryptionType;
+    strcpy( _wifi.NetworkKey,NetworkKey.c_str() );
+
+
+
+     return NDEF_WriteWifiToken(&_wifi, mi2cChannel );
+}
+
+