TOP Contributors

  1. MIKROE (2751 codes)
  2. Alcides Ramos (372 codes)
  3. Shawon Shahryiar (307 codes)
  4. jm_palomino (118 codes)
  5. Bugz Bensce (90 codes)
  6. S P (73 codes)
  7. dany (71 codes)
  8. MikroBUS.NET Team (35 codes)
  9. NART SCHINACKOW (34 codes)
  10. Armstrong Subero (27 codes)

Most Downloaded

  1. Timer Calculator (139060 times)
  2. FAT32 Library (71592 times)
  3. Network Ethernet Library (56989 times)
  4. USB Device Library (47330 times)
  5. Network WiFi Library (43006 times)
  6. FT800 Library (42297 times)
  7. GSM click (29777 times)
  8. mikroSDK (27874 times)
  9. PID Library (26858 times)
  10. microSD click (26129 times)
Libstock prefers package manager

Package Manager

We strongly encourage users to use Package manager for sharing their code on Libstock website, because it boosts your efficiency and leaves the end user with no room for error. [more info]

< Back
mikroSDK Library

NFC Tag 4 click

Rating:

5

Author: MIKROE

Last Updated: 2019-07-11

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: RFID/NFC

Downloaded: 3534 times

Not followed.

License: MIT license  

NFC Tag 4 Click is NFC RFID tag device, offering 16 Kbit of electrically erasable programmable memory (EEPROM). This Click Board offer two communication interfaces. The first one is an I2C serial link and can be operated from a DC power supply.

No Abuse Reported

Do you want to subscribe in order to receive notifications regarding "NFC Tag 4 click" changes.

Do you want to unsubscribe in order to stop receiving notifications regarding "NFC Tag 4 click" changes.

Do you want to report abuse regarding "NFC Tag 4 click".

  • mikroSDK Library 2.0.0.0
  • Comments (0)
DOWNLOAD LINK RELATED COMPILER CONTAINS
mikroBasic PRO for ARM
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc
mikroBasic PRO for AVR
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc
mikroBasic PRO for dsPIC30/33 & PIC24
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc
mikroBasic PRO for FT90x
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc
mikroBasic PRO for PIC
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc
mikroBasic PRO for PIC32
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc
mikroC PRO for ARM
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc
mikroC PRO for AVR
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc
mikroC PRO for dsPIC30/33 & PIC24
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc
mikroC PRO for FT90x
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc
mikroC PRO for PIC
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc
mikroC PRO for PIC32
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc
mikroPascal PRO for ARM
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc
mikroPascal PRO for AVR
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc
mikroPascal PRO for dsPIC30/33 & PIC24
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc
mikroPascal PRO for FT90x
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc
mikroPascal PRO for PIC
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc
mikroPascal PRO for PIC32
  • lib
  • src
  • exa
  • hlp
  • hex
  • sch
  • pcb
  • doc

mikroSDK Library Blog

NFC Tag 4 click

NFC Tag 4 click

Native view of the NFC Tag 4 click board.

View full image
NFC Tag 4 click

NFC Tag 4 click

Front and back view of the NFC Tag 4 click board.

View full image

Library Description

Library contains function for getting INT pin state Library contains function for setting CS pin state Library contains function for getting register values Library contains function for setting register values Library contains function for device initialization Library contains function for getting temperature value Library contains function for getting axes values Library contains function for software reset Library contains functions for setting power mode and full scale range

Key functions:

  • uint8_t nfctag4_password_present( uint8_t * password_bytes ) - presents password to device in order to open I2C security session.
  • uint8_t nfctag4_init( void ) - initializes the device.
  • uint8_t nfctag4_enable_mailbox( uint8_t enable_mailbox ) - enables or disables mailbox functionality.

Examples description

The application is composed of three sections :

  • System Initialization - Initializes GPIO pins, I2C and LOG modules.
  • Application Initialization - Initializes I2C driver, presents password to the device and initializes the device.
  • Application Task - Checks if RF placed a message to mailbox and if it did, checks message length and logs message bytes.
void applicationTask( )
{
    nfctag4_wait_for_int( );
    nfctag4_i2c_get( _NFCTAG4_MEMORY_DYNAMIC, _NFCTAG4_DYNAMIC_REG_MB_CTRL, &aux_buffer[0], 1 );

    if (( aux_buffer[0] & 0x04 ) == ( 0x04 ))
    {
        nfctag4_wait_for_int( );
        nfctag4_i2c_get( _NFCTAG4_MEMORY_DYNAMIC, _NFCTAG4_DYNAMIC_REG_MB_LEN, &aux_buffer[0], 1 );
        message_length = aux_buffer[0];
        message_length++;
        nfctag4_wait_for_int( );
        nfctag4_i2c_get( _NFCTAG4_MEMORY_MAILBOX, _NFCTAG4_MAILBOX_REG_BYTE_0, &aux_buffer[0], message_length );

        mikrobus_logWrite( " ", _LOG_LINE );
        mikrobus_logWrite( "> ********* MESSAGE ********* <", _LOG_LINE );

        ByteToStr( message_length, text );
        mikrobus_logWrite( "> Message length : ", _LOG_TEXT );
        mikrobus_logWrite( text, _LOG_TEXT );
        mikrobus_logWrite( " [Bytes]", _LOG_LINE );

        for (i = 0; i < message_length; i ++)
        {
            ByteToStr( i, text );
            mikrobus_logWrite( text, _LOG_TEXT );
            mikrobus_logWrite( " : ", _LOG_TEXT );

            ByteToHex( aux_buffer[ i ], text );
            mikrobus_logWrite( "0x", _LOG_TEXT );
            mikrobus_logWrite( text, _LOG_LINE );
        }

        mikrobus_logWrite( "> *********** END *********** <", _LOG_LINE );
    }
}

Additional Functions :

  • nfctag4_wait_for_int( ) - waits for INT pin to go LOW and than HIGH for time period of 300ms.

Other mikroE Libraries used in the example:

  • I2C
  • UART
  • Conversions

Additional notes and informations

Depending on the development board you are using, you may need USB UART clickUSB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.

ALSO FROM THIS AUTHOR

SE051 Plug n Trust Click

0

SE051 Plug&Trust Click is a compact add-on board representing a ready-to-use IoT security solution. This board features the SE051C2, an updatable extension of the EdgeLock™ SE050 from NXP Semiconductor, which delivers proven security certified to CC EAL 6+, with AVA_VAN.5up to the OS level. Designed for the latest IoT security requirements, it allows securely storing and provisioning credentials performing cryptographic operations, giving edge-to-cloud security capability right out of the box. It also provides upgrade functionality of the IoT applet while preserving on-device credentials, alongside reconfiguration possibility.

[Learn More]

LR 5 Click

0

LR 5 Click is a compact add-on board that contains a long-range transceiver. This board features the 32001409, RF technology-based SRD transceiver, which operates at a frequency of 915MHz from Mipot.

[Learn More]

EEPROM 12 Click

0

EEPROM 12 Click is a compact add-on board that contains a highly reliable, nonvolatile memory solution. This board features the M24256E, an EEPROM from STMicroelectronics. It is a 256Kbit (32KB) EEPROM with a page size of 64 bytes and an additional identification page with the same size. This identification page can be read or written and (later) permanently locked in read-only mode and can be used to store sensitive application parameters.

[Learn More]