Hello Ivan,
I want to be able to communicate with a Tag on the NFC Forum Type 2 Standard or ISO 14443A.
Firstly I want to communicate with NTAG213 and when this works, I want to use NTAGI2C.
I just Need to read and write pages of an NFC-Tag.
Im using SPI to communicate with my PN512 module.
At the Moment Im using the PNEV512 blueboard, where I connected MISO, MOSI, SCK and CS to my Microcontroller, so the Antenna should be ok.
My Question is: How can I send Messages over the FIFO buffer?
The datasheet says that you have to write your Bytes into the FIFO-Buffer.
You can do this by writing them into the "FIFODataReg"-Register.
To send Data I Need wo write transmit command in CommandReg.
When I want to read page 0 of an NFC-Tag, in example NTAG213, then I Need to Transfer the following Bytes in the correct order:
0x30(Read-command), 0x00(page of Byte), 0xXX , 0xXX CRC(2 Bytes)
When this sequence of Bytes is sent, the Tag should answer with the Bytes, which are in page 0.
Then I can read "FIFODataReg" to read the received Bytes.
But it does not work.
Could you please help me to send Read and Write Commands with the PN512?
I just Need to know how to configure the configuration Registers and know to send what Bytes in the right order.
Regards,
Tim
