I want to use PN532 via spi. I tried using the libnfc5 library from the Debian10 repositories. I also tried to build the library from source thishttps://github.com/sam1902/libnfc and this https://github.com/jpwidera/libnfc.git. Always the same result.:
rock@radxa-cm3-io:~$ sudo nfc-scan-device
debug libnfc.general log_level is set to 3
debug libnfc.general allow_autoscan is set to true
debug libnfc.general allow_intrusive_scan is set to false
debug libnfc.general 1 device(s) defined by user
debug libnfc.general #0 name: “_NFC522”, connstring: “pn532_spi:/dev/spidev3.0:500000”
nfc-scan-device uses libnfc libnfc-1.7.1-226-g07f9182
debug libnfc.general 0 device(s) found using acr122_usb driver
debug libnfc.general 0 device(s) found using pn53x_usb driver
1 NFC device(s) found:
debug libnfc.driver.pn532_spi Attempt to open: /dev/spidev3.0 at 500000 Hz.
debug libnfc.bus.spi SPI port speed requested to be set to 500000 Hz.
debug libnfc.bus.spi ret 0
debug libnfc.bus.spi SPI port mode requested to be set to 0.
debug libnfc.chip.pn53x Diagnose
debug libnfc.chip.pn53x Timeout value: 500
debug libnfc.bus.spi RX: 00
debug libnfc.driver.pn532_spi Got 0 byte from SPI line before wakeup
debug libnfc.chip.pn53x SAMConfiguration
debug libnfc.chip.pn53x Timeout value: 1000
debug libnfc.bus.spi TX: 01 00 00 ff 03 fd d4 14 01 17
debug libnfc.bus.spi TX: 02
debug libnfc.bus.spi RX: 01
debug libnfc.bus.spi TX: 03
debug libnfc.bus.spi RX: 00 00 ff 00 ff 00
debug libnfc.chip.pn53x PN53x ACKed
debug libnfc.bus.spi TX: 02
debug libnfc.bus.spi RX: 00
debug libnfc.bus.spi TX: 02
debug libnfc.bus.spi RX: 01
debug libnfc.bus.spi TX: 03
debug libnfc.bus.spi RX: 00 00 ff 02
debug libnfc.bus.spi RX: fe
debug libnfc.bus.spi TX: 03
debug libnfc.bus.spi RX: 15
debug libnfc.bus.spi TX: 03
debug libnfc.bus.spi RX: 00
error libnfc.driver.pn532_spi TFI Mismatch
pn53x_check_communication: Input / Output Error
debug libnfc.chip.pn53x InRelease
debug libnfc.bus.spi TX: 01 00 00 ff 03 fd d4 52 00 da
debug libnfc.bus.spi TX: 02
debug libnfc.bus.spi RX: 00
debug libnfc.bus.spi TX: 02
debug libnfc.bus.spi RX: 01
debug libnfc.bus.spi TX: 03
debug libnfc.bus.spi RX: 00 00 ff 00 ff 00
debug libnfc.chip.pn53x PN53x ACKed
debug libnfc.bus.spi TX: 02
debug libnfc.bus.spi RX: 00
debug libnfc.bus.spi TX: 02
debug libnfc.bus.spi RX: 01
debug libnfc.bus.spi TX: 03
debug libnfc.bus.spi RX: 00 00 ff 03
debug libnfc.bus.spi RX: fd
debug libnfc.bus.spi TX: 03
debug libnfc.bus.spi RX: 53
debug libnfc.bus.spi TX: 03
debug libnfc.bus.spi RX: d8
error libnfc.driver.pn532_spi TFI Mismatch
debug libnfc.general Unable to open “pn532_spi:/dev/spidev3.0:500000”.
nfc_open failed for pn532_spi:/dev/spidev3.0:500000
File libnfc.conf:
device.name = “_NFC522”
device.connstring = “pn532_spi:/dev/spidev3.0:500000”
Who can suggest something?