![]() This is the best appoach, the only downside is that the customer has to add the new PID reference into the standard (text) INF driver files. FTDI maintains a list of unique PIDs which can be allocated on request. The customer can use FTDI's VID and request a unique PID block from FTDI for their products. This requires an EEPROM to be connected to the FTDI chip.ģ. ![]() The customer can use FTDI's default VID (0403) and PID (6001) and have a unique serial number for each USB device. 6.488830 usbcore: registered new interface driver usbserial 6.836233 usbcore: registered new interface driver usbserialgeneric 7. The problem is that I cant see it under /dev/ as /dev/ttyUSB0. Its being detected by lsusb Bus 002 Device 005: ID 1a86:7523 QinHeng Electronics CH340 serial converter. ![]() FTDI discourages people from using the DEFAULT VID, PID and serial number (no EEPROM connected to the FTDI chip) unless it is a non-mass market device and does not require multiple USB devices of the same kind to be plugged into the same PC.Ģ. Hi All, I have a BPI-M2 ZERO, BANANA-PI-ZERO with SERIAL to USB plugged in. %USB\VID_0403&PID_6011&MI_03.DeviceDesc%=FtdiBus.NT,USB\VID_0403&PID_6011&MI_03įTDI's policy on using their VID and PID with their chips is as follows:ġ. For more information about converting USB to printer interface, please refer to the CH340DS2 datasheet. In UART mode, CH340 provides standard MODEM signals, used to extend serial port for computers, or upgrade directly from normal serial device to USB bus. %USB\VID_0403&PID_6001.DeviceDesc%=FtdiBus.NT,USB\VID_0403&PID_6001 CH340 is a USB bus converter chip which converts USB to serial port or printer port.
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