#Hl 340 usb to serial driver drivers

# disable automatic loading of GSM modem drivers and programs & /usr/bin/killall $FILENAME & /bin/usleep 250000 sbin/lsmod | /bin/grep -qF $MODULENAME & /sbin/modprobe -r $MODULENAME & /bin/usleep 250000 Local FILEPATH='/lib/modules/$(/bin/uname -r)/$(/sbin/modprobe -l $MODULENAME)' Local FILENAME='$(/usr/bin/basename $FILEPATH)' I'm kinda rusty with Linux, and I think it has been at least 15 years since I compiled my last kernel or anything in Linux, so please be gentle -)

#Hl 340 usb to serial driver how to

Patching the source is probably the biggest difficulty, no clue how to do that. My guess is I probably have to patch the source and build it myself using this nice guide. Unfortunately, I have no clue how to add the required driver support to my running 380.68 and was hoping someone could point me in the right direction. I don't seem to be the only one encountering this, as in the past patches seem to have been made which enabled the CH341 driver, e.g.: In any case, upon opening /dev/ttyUSB0 with screen or minicom the system just keeps waiting for input. The chipset, however, is CH340 and is also recognized as ch340 or ch341 (drivers should be the same, can't remember which) by Ubuntu.īus 002 Device 006: ID 1a86:7523 QinHeng Electronics HL-340 USB-Serial adapterīut as far as I know the ch341 driver is missing and the generic usbserial driver or some GSM driver is loaded instead. In contrast to Ubuntu the device also shows up as a GSM modem. It is a bit puzzling to see the devices apparently connects and disconnects (or maybe it is because I plugged it in and out a few times since the last reboot). Option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0 Usb 2-2: GSM modem (1-port) converter now attached to ttyUSB0 At first the interface kept disconnecting, which I fixed by mknod /dev/ttyUSB0 c 188 0 as suggested here: However, things didn't go as expected on rlin 380.68 with entware installed. I tested the USB convertor under Windows and Ubuntu 16.04.3 on my laptop, and I have no problems in receiving the messages.

The device send a 35 lines message every 20 seconds, of which I want to capture some data. Driver backups offer an instant, secure way to restore a driver to an earlier configuration, if needed.I am trying to use my ASUS RT-AC68U router to read-out a device through the serial interface.

#Hl 340 usb to serial driver update

A driver update tool makes sure that the computer's operating system drivers are up to date and are correctly suited to the hardware in your system.

#Hl 340 usb to serial driver install

You can only make your problems worse if you install the wrong driver for your hardware.įor the time and effort involved in the driver update process, we highly suggest using driver utility software. However, even if you are good at locating, installing, and upgrading drivers for the HL 340, one can still waste lots of time and be very frustrated with this endeavor.

It can seem impossible to find the right HL 340 driver directly on the Nanjing Qinheng Electronics Co's or related manufacturer's website for your USB. There is hope for USB users because they can usually solve the problem by updating their device drivers. Device drivers can malfunction without warning, leading to data loss. Issues Concerning Driver UpdatesĮrror messages associated with HL 340 might be caused by inefficient or outdated device drivers. Your operating system requires a way to communicate clearly with your HL 340, and this is essentially the role that these tiny software applications play.