https://community.nxp.com/t5/NFC/PN5180-SPI-from-esp32-core-Arduino-ide-takes-too-long/m-p/1645972#M10314 <P>Hi, I implemented an iso15693 inventory16 command on an esp32 controller using Arduino IDE.</P><P>It works well, although collisions happen. But i had to delay flow control 1ms after asserting NSS before wait for busy pin high. If i didnt that it doesn't work.</P><P>The problem Is the inventory take almost a second for few tags. This Is a long time for my application.&nbsp;</P><P>I tried microsecondsDelay with values under 1000us, but it didn't work either, inventory fails.</P><P>Pn5180 datasheet say nothing about this. Has anyone had this problem?&nbsp;</P><P>Any help. Thanks in Advance.</P><P>&nbsp;</P> Sun, 07 May 2023 04:57:09 GMT oferrer 2023-05-07T04:57:09Z https://community.nxp.com/t5/NFC/PN5180-SPI-from-esp32-core-Arduino-ide-takes-too-long/m-p/1645972#M10314 <P>Hi, I implemented an iso15693 inventory16 command on an esp32 controller using Arduino IDE.</P><P>It works well, although collisions happen. But i had to delay flow control 1ms after asserting NSS before wait for busy pin high. If i didnt that it doesn't work.</P><P>The problem Is the inventory take almost a second for few tags. This Is a long time for my application.&nbsp;</P><P>I tried microsecondsDelay with values under 1000us, but it didn't work either, inventory fails.</P><P>Pn5180 datasheet say nothing about this. Has anyone had this problem?&nbsp;</P><P>Any help. Thanks in Advance.</P><P>&nbsp;</P> Sun, 07 May 2023 04:57:09 GMT https://community.nxp.com/t5/NFC/PN5180-SPI-from-esp32-core-Arduino-ide-takes-too-long/m-p/1645972#M10314 oferrer 2023-05-07T04:57:09Z