ST25 NFC/RFID tags and readers

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Resolved! Hard fault (usage fault, invalid state), using X-CUBE-NFC03 and FreeRTOS, with STM32L4. Seems dependent on code/data size. Any idea where I should investigate ?

Hello,I am trying to develop a FreeRTOS application which need to detect/read/write an NFC tag.I managed to make the NFC part work (based on ST's example code), but after changing my task stack size, a usage fault occurs (FORCED, INVSTATE).After a fe...

Slan by Associate II
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  • 6 replies
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Resolved! Data Rate of st25dv?

Hello,If the NFC operates at 13.56MHz and data rate is 100–420 kbps.How fast a data of 10kB can be transferred with a 100kbps speed.?Is it (10kB * 8/100k) + (10kB * 8/100k) * (overhead) ?Regards,Vmere

Vmere.1 by Senior
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  • 3 replies
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Resolved! Fast transfer mode vs NDEF&EEPROM

Hello,I'm developing a project where we will be using a ST253916 for a reader/writer device (base station) and a ST25DV type 5 tag (battery powered device). The idea is to transmit data from battery device to the base station. It will be hundred of b...

DSant.2 by Associate II
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  • 2 replies
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Resolved! FIELD RISING and FIELD FALLING Interrupt flags are set simultaneously irrespective of direction of movement of reader with respect to st25dv tag

Hello, I am working on project where I need to check if field is falling or rising. I have enabled the filed change interrupt in GPO, which works fine to generate the GPO interrupt. Unfortunately both the interrupt flags for field change interrupt i....

ADant.1 by Associate II
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  • 2 replies
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Resolved! arduino: read NDEF Wi-Fi connection

HiI am trying to create an application using arduino which will read 4 NDEF text messages where will be stored data needed to establish Wi-Fi connection (host, ssid, password, token).I did try to run example from stduion ST25 library and thats work f...

RMako.2 by Associate II
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  • 13 replies
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