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

Diff: source/main.cpp

Revision:

0:3f1a69fc394e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/source/main.cpp	Thu Nov 14 11:23:21 2019 +0000
@@ -0,0 +1,121 @@
+/**
+ ******************************************************************************
+ * @file    main.cpp
+ * @author  STMicroelectronics
+ * @version V1.0.0
+ * @date    05 April 2019
+ * @brief    test application for the STMicrolectronics
+ *          X-NUCLEO-NFC04A1. NFC tag based on ST25DV device.
+ *          This application makes use of C++ classes obtained from the C
+ *          components' drivers.
+ ******************************************************************************
+*/
+#include "mbed.h"
+#include "x_nucleo_nfc04.h"
+#include "stdio.h"
+#include "string.h"
+
+using namespace std;
+
+DigitalOut led_1(D5);
+DigitalOut led_2(D4);
+DigitalOut led_3(D2);
+DigitalOut LPD(D7);
+DigitalIn MISO(D12);
+I2C i2cChannel(I2C_SDA, I2C_SCL);
+DigitalIn uButton(BUTTON1);
+X_Nucleo_NFC04 X_Nucleo_Nfc04(&i2cChannel, &led_1, &led_2, &led_3, &LPD, &MISO);
+
+int main()                          
+{
+
+  const char uri_write_message[] = "polito.it";   // Uri message to write in the tag
+  const char uri_write_protocol[] = URI_ID_0x01_STRING; // Uri protocol to write in the tag
+  string uri_write = string(uri_write_protocol) + string(uri_write_message);
+
+
+
+  const char SSID[] = "CLAB1"; // WiFi SSID to write in the tag
+  Ndef_Wifi_Authentication_t Auth = NDEF_WIFI_AUTHENTICATION_WPA2;
+  Ndef_Wifi_Encryption_t Encrypt = NDEF_WIFI_ENCRYPTION_AES;
+  const char NetKey[] = "STM32ODE"; // WiFi password to write in the tag
+
+
+  if(X_Nucleo_Nfc04.begin(&i2cChannel, &LPD) == 0) {
+    printf("System Init done!");
+    X_Nucleo_Nfc04.ledOn(&led_3);
+  } else {
+    printf("System Init failed!");
+    while(1);
+  }
+
+
+    int ButtonPressed = 1;
+
+    /* BY pressing the button the option to write the WiFi on the tag, or to write a link( or read from it ) is enabled */
+    while(1)
+    {
+        /* Toggle ButtonPressed variable everytime button is pressed */
+        if(uButton.read() == 0)
+        {
+            ButtonPressed++;
+            if(ButtonPressed == 4)
+                ButtonPressed = 1;
+            while( uButton.read() == 0 ); //Debouncing
+        }
+
+
+        if(ButtonPressed == 1)
+        {
+
+            X_Nucleo_Nfc04.ledOn(&led_1);
+            X_Nucleo_Nfc04.ledOff(&led_2);
+               X_Nucleo_Nfc04.ledOff(&led_3);
+            wait_ms(100);
+            if(X_Nucleo_Nfc04.writeWiFi(SSID, Auth, Encrypt, NetKey, &i2cChannel)) {
+                /* Write failed! */
+            }
+        }
+        if(ButtonPressed == 2)
+        {
+
+            X_Nucleo_Nfc04.ledOn(&led_2);
+            X_Nucleo_Nfc04.ledOff(&led_1);
+               X_Nucleo_Nfc04.ledOff(&led_3);
+            wait_ms(100);
+            if(X_Nucleo_Nfc04.writeURI(uri_write_protocol, uri_write_message, "", &i2cChannel)) {
+                /* Write failed! */
+            }
+        }
+        if(ButtonPressed == 3)
+        {
+               X_Nucleo_Nfc04.ledOn(&led_3);
+               X_Nucleo_Nfc04.ledOff(&led_1);
+               X_Nucleo_Nfc04.ledOff(&led_2);
+            // Prepare device to readURI from NFC device
+            string uri_read = X_Nucleo_Nfc04.readURI( &i2cChannel );
+
+          if(uri_read == "\0") {
+              /* Read failed! */
+          }
+
+
+          if(strcmp( uri_read.c_str(), uri_write.c_str() ) == 0) {
+              /* Successfully written and read! */
+              ButtonPressed = 0;
+
+          } else {
+              /* Read bad string! */
+               X_Nucleo_Nfc04.ledOff(&led_3);
+               X_Nucleo_Nfc04.ledOff(&led_1);
+               X_Nucleo_Nfc04.ledOff(&led_2);
+          }
+
+        }
+    }
+
+
+
+
+
+}//end of main
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