Apple Mac OS X The driver below only supports the Prolific-based adapters supplied by Serialio.com. Supports all OS X systems from 10.1 through 10.6 - Intel and PPC-based systems 'Universal Binary' (UB) Release Date: Supports all OS X 10.7 'Lion' - Intel-based systems Release Date: The driver below only supports the FTDI-based adapters supplied by Serialio.com.
Supports OS X systems from 10.1 through 10.8 'Mountain Lion' - Intel and PPC-based systems 'Universal Binary' (UB) Release Date: See notes. Apple Mac OS 8 and 9 The driver below only supports the Prolific-based adapters supplied by Serialio.com. PL-2303 drivers (ver 1.2.0) for Mac OS 8.x and OS 9.x Release Date: Linux Linux with kernel 2.4 and later has drivers built-in (virtually all Linux machines shipping since early 2000's use the 2.4 kernel and later).
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 EXPORTSYMBOLGPL(ttyencodebaudrate); in ttyioctl.c and also remove the.usbdriver 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.
Diego 2015-06-25 10:47:20 EDT Description of problem: I've bought a USB serial adapter which is based on ch340 chipset. # lsusb -d 1a86:7523 Bus 001 Device 015: ID 1a86:7523 QinHeng Electronics HL-340 USB-Serial adapter Kernel seems to bring up correctly the driver: giu25 16:33 usb 1-1.4.3: new full-speed USB device number 15 using xhcihcd +0,085072 usb 1-1.4.3: New USB device found, idVendor=1a86, idProduct=7523 +0,000004 usb 1-1.4.3: New USB device strings: Mfr=0, Product=2, SerialNumber=0 +0,000002 usb 1-1.4.3: Product: USB2.0-Ser! +0,000716 ch341 1-1.4.3:1.0: ch341-uart converter detected +0,001119 usb 1-1.4.3: ch341-uart converter now attached to ttyUSB0 but opening the device with minicom or screen doesn't produce any input or output. Saint seiya movie 5 sub indo. Using an FTDI based adapter works perfectly on the contrary. The same ch340 device works fine on Windows 7 with official driver, so the device isn't broken. Version-Release number of selected component (if applicable): # uname -a Linux localhost.localdomain 4.0.5-200.fc21.x8664 #1 SMP Mon Jun 8 16:25:02 UTC 2015 x8664 x8664 x8664 GNU/Linux How reproducible: Always Steps to Reproduce: 1.
Plug the adapter 2. TtyUSB0 appers 3. Try using the device with minicom or screen Actual results: No input / output.
Hl 340 Driver Download
Expected results: Input / output flows correctly. Additional info: The minicom configuration is 15200 8N1 without hardware flow control, with software flow control. Same configuration works with an FTDI adapter. The exact model I have is this one in the photo ('340' can be read on the blue plastics of the DB9 connector): Here are some random infos that might be relevant I found in the internet about this chip: - 'official' Linux driver (doesn't build on 4.0): - workaround somebody has found (will test it when I have time): - never upstreamed patch: - datasheet.
Fedora End Of Life 2015-11-04 06:21:21 EST This message is a reminder that Fedora 21 is nearing its end of life. Approximately 4 (four) weeks from now Fedora will stop maintaining and issuing updates for Fedora 21. It is Fedora's policy to close all bug reports from releases that are no longer maintained.
At that time this bug will be closed as EOL if it remains open with a Fedora 'version' of '21'. Package Maintainer: If you wish for this bug to remain open because you plan to fix it in a currently maintained version, simply change the 'version' to a later Fedora version. Thank you for reporting this issue and we are sorry that we were not able to fix it before Fedora 21 is end of life. If you would still like to see this bug fixed and are able to reproduce it against a later version of Fedora, you are encouraged change the 'version' to a later Fedora version prior this bug is closed as described in the policy above. Although we aim to fix as many bugs as possible during every release's lifetime, sometimes those efforts are overtaken by events. Often a more recent Fedora release includes newer upstream software that fixes bugs or makes them obsolete. Alvin Austin 2016-07-22 10:10:52 EDT This still has not been fixed.
Fedora 23: 1201 usb 2-1.4: new full-speed USB device number 7 using ehci-pci 1259 usb 2-1.4: New USB device found, idVendor=1a86, idProduct=7523 1264 usb 2-1.4: New USB device strings: Mfr=0, Product=2, SerialNumber=0 1266 usb 2-1.4: Product: USB2.0-Ser! 1231 ch341 2-1.4:1.0: ch341-uart converter detected 1216 usb 2-1.4: ch341-uart converter now attached to ttyUSB0 # uname -a Linux fedora23 4.5.7-202.fc23.x8664 #1 SMP Tue Jun 28 18:22:51 UTC 2016 x8664 x8664 x8664 GNU/Linux Still applies to F23 with kernel 4.5.7-202.fc23.x8664 Fedora 24: 1208.222677 usb 2-1.3: new full-speed USB device number 5 using ehci-pci 1208.309453 usb 2-1.3: New USB device found, idVendor=1a86, idProduct=7523 1208.309463 usb 2-1.3: New USB device strings: Mfr=0, Product=2, SerialNumber=0 1208.309469 usb 2-1.3: Product: USB2.0-Ser! 1208.351738 usbcore: registered new interface driver ch341 1208.351786 usbserial: USB Serial support registered for ch341-uart 1208.351820 ch341 2-1.3:1.0: ch341-uart converter detected 1208.354803 usb 2-1.3: ch341-uart converter now attached to ttyUSB0 root@dell:# ver Fedora release 24 (Twenty Four) Linux fedora24.localdomain 4.6.4-301.fc24.x8664 #1 SMP Tue Jul 12 11:50:00 UTC 2016 x8664 x8664 x8664 GNU/Linux Still applies to F24 with kernel 4.6.4-301.fc24.x8664 There is.some. communication that can be observed (e.g. With Minicom), but the data is corrupted. If you bridge the RX and TX pins on the adapter, for instance, garbage is echoed back rather than the characters you typed.
Laura Abbott 2016-09-23 15:21:51 EDT. MASS BUG UPDATE. We apologize for the inconvenience. There is a large number of bugs to go through and several of them have gone stale. Due to this, we are doing a mass bug update across all of the Fedora 24 kernel bugs. Fedora 24 has now been rebased to 4.7.4-200.fc24.
Please test this kernel update (or newer) and let us know if you issue has been resolved or if it is still present with the newer kernel. If you have moved on to Fedora 25, and are still experiencing this issue, please change the version to Fedora 25. If you experience different issues, please open a new bug report for those. Forbes 2017-04-11 11:02:28 EDT. MASS BUG UPDATE. We apologize for the inconvenience. There are a large number of bugs to go through and several of them have gone stale.
Due to this, we are doing a mass bug update across all of the Fedora 24 kernel bugs. Fedora 25 has now been rebased to 4.10.9-100.fc24.
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Linux Usb To Serial Adapter
Please test this kernel update (or newer) and let us know if you issue has been resolved or if it is still present with the newer kernel. If you have moved on to Fedora 26, and are still experiencing this issue, please change the version to Fedora 26. If you experience different issues, please open a new bug report for those.