DLP RFID module not responding to SPI commands sent from Zybo Board. After software init tried to read the default registers present in TRF7970 but got all response values as '0'.
configuration : SPI module : 1 Mhz , CHPA = 0, CPOL = 0, EN = 3.3 V
Operating system : Linux kernel 4.14
Description : DLP RFID is connected to Zybo Z7 board over SPI, SPI communication is tested by loop back method and the communication is OK, after that connected to DLP RFID module over SPI lines, DLP RFID is used for ISO15693 RFID protocol. but when tried to read the default configuration of DLP by giving software init command and then IDLE command unable to receive Response from the DLP
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