I'm starting to work with a pinpad. I need that my program find the port where the pinpad is connected without user interaction.
I tried with:
Dim searcher As New ManagementObjectSearcher('rootcimv2', 'SELECT * FROM Win32_SerialPort') For Each queryObj As ManagementObject In searcher.Get MsgBox(queryObj('Name')) Next but this only give me 'COM1' and 'COM2' as an answer (My device is connected to COM4)
and with
Dim searcher As New ManagementObjectSearcher('rootcimv2', 'SELECT * FROM Win32_PnPEntity WHERE ConfigManagerErrorCode = 0') For Each queryObj As ManagementObject In searcher.Get MsgBox(queryObj('Name')) Next With this one I can see my device friendly name but I don´t know how to get the port (I receive the names like 'HP printer')
- Try the USB device in different computer, does it work? YES (3 computers)
- On your Slackware machine, plugin a different USB device; does it also get ejected? Others devices no problem
- Try different USB port on Slackware machine? Test in all ports
Complementing:
I'm doing the tests with 3 different machines
And using 2 different devices: Pinpad - Geretec PPC920 and also PPC910
Only in the cases of Slackware 14.2 and in the current version the problem is presented.
https://www.gertec.com.br/produtos/ppc920/
https://www.gertec.com.br/produtos/ppc910/
The devices are listed in /usr/share/usb.ids and /lib/udev/hwbd.d/20-usb-vendor-model.hwdb
dmesg after connecting device
[ 117.487030] usb 3-1: new full-speed USB device number 2 using uhci_hcd
[ 117.657054] usb 3-1: Dual-Role OTG device on non-HNP port
[ 117.660055] usb 3-1: New USB device found, idVendor=1753, idProduct=c902, bcdDevice= 0.01
[ 117.660059] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 117.660063] usb 3-1: Product: PPC920 Pinpad Terminal
[ 117.660066] usb 3-1: Manufacturer: GERTEC
[ 117.797099] usb 3-1: USB disconnect, device number 2
[ 118.205187] usbcore: registered new interface driver cdc_acm
[ 118.205189] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
[ 962.289117] usb 3-2: new full-speed USB device number 3 using uhci_hcd
[ 962.459140] usb 3-2: Dual-Role OTG device on non-HNP port
[ 962.462142] usb 3-2: New USB device found, idVendor=1753, idProduct=c901, bcdDevice= 0.01
[ 962.462146] usb 3-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 962.462150] usb 3-2: Product: PPC900 Pinpad Terminal
[ 962.462153] usb 3-2: Manufacturer: GERTEC
[ 962.465307] cdc_acm 3-2:1.0: ttyACM0: USB ACM device
[ 962.467523] usb 3-2: USB disconnect, device number 3
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Download Gertec Telecomunicacoes Port Devices Driver Updater
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