marcov wrote: > so I now double checked again with piCoreplayer 4.0.1 on the old > raspberry and the result was okay, the first two readings where > incomplete the others where complete. So I got back to the piZero and > here I see the problem again: > > Code: -------------------- > > tc@piCorePlayer:~$ sudo cat /dev/tty0 > 0016024698 > 001624698 > 01602698 > 001024698 > 0016024698 > 0016024698 > 0016024698 > 0016024698 > 001024698 > 0016024698 > 0016024698 > 001024698 > 0016024698 > 0016024698 > 0016024698 > 0016024698 > 0016024698 > 0016024698 > 00102698 > 0016024698 > 001624698 > 001624698 > 0016024698 > 001024698 > 00102698 > 001624698 > 001624698 > 001624698 > 016024698 > 001624698001624698 > 0016024698 > 001624698 > 00102698 -------------------- > > > > So i guess it is an issue with the piZero -> can it be cause by the > cable? I tried diffrent usb cables but I only have one adapter caple > from USB A to micro usb that is not specified for piZero With a serial device it looks like flow control of the data from the USB device is not being managed. What is the usb device and vendor id of the rfid reader ? Which device driver is it using ?
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