Hl 340 Usb To Serial Driver Ubuntu

Just compiled under centos 5.4 i386 Linux atom.home.loc 2.6.18-348.el5 #1 SMP Tue Jan 8 17:57:28 EST 2013 i686 i686 i386 GNU/Linux In addition to info above had to comment out what is suggested here AND everything after EXPORT_SYMBOL_GPL(tty_encode_baud_rate); in tty_ioctl.c and also remove the.usb_driver line in ch341.c (circa line 320). After compiling and insterting I got drivers/usb/serial/usb-serial.c: USB Serial support registered for ch341-uart ch341 4-1:1.0: ch341-uart converter detected usb 4-1: ch341-uart converter now attached to ttyUSB3 usbcore: registered new driver ch341 Haven't tried connecting anything yet, but it seems it will work.

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Jun 3, 2008 - Hi, I've a laptop pc (Joybook r23e BENQ) with no serial port, so I'd like to use an USB to serial converter. I've bought one named 'HL-340' but.

I have Kubuntu 14.10 development workstation and recently I have bought a adapter. HL-340 is USBSerial adapter and it is recognised by my kernel: user@comp001:~$ lsusb Bus 007 Device 010: ID 1a86:7523 QinHeng Electronics HL-340 USB-Serial adapter [.] I am trying to initiate communication via this adapter with Raspberry Pi B+ board, but I am constantly failing. Whatever text I send to the Raspberry Pi B+ via minicom, the traffic on the line is dead, I've checked with scope. I've double checked the Raspberry Pi B+ setup, the wirings (triple checked with multimeter), the scope wirings and the serial communication is dead. The port on Raspberry Pi B+ is working, because I've hooked up scope on transmit pin of serial port (on Raspberry Pi B+ side) and if I send text from Raspberry Pi B+ (via minicom under ssh tunnel), I get activity on the scope. I cannot get data from PC via USB serial dongle.

How do I test if the dongle works? Lsusb lists the device here as Bus 003 Device 002: ID 1a86:7523 QinHeng Electronics HL-340 USB-Serial adapter It is often shipped together with the sds011 sensor. The required kernel module is called ch341 and built with the following.config entry: CONFIG_USB_SERIAL_CH341=m If you use make nconfig or make menuconfig you will find this module in -> Device Drivers -> USB support (USB_SUPPORT [=y]) -> USB Serial Converter support I had to set the communication parameters manually to 9600 baud, 8N1 before I could use the device properly: $ stty -F /dev/ttyUSB0 9600 raw.