[chirp_users] Retevis RT24 download problem
Hi,
I'm trying to use Chirp with an RT24 and I'm getting the following error when trying to download the radio memory:
ERROR: ---------------------------- ERROR: -- Exception: -- ERROR: Traceback (most recent call last): File "/usr/lib/python2.7/site-packages/chirp/ui/clone.py", line 256, in run self.__radio.sync_in() File "/usr/lib/python2.7/site-packages/chirp/drivers/radioddity_r2.py", line 364, in sync_in data = do_download(self) File "/usr/lib/python2.7/site-packages/chirp/drivers/radioddity_r2.py", line 270, in do_download block = _r2_read_block(radio, addr, radio._block_size) File "/usr/lib/python2.7/site-packages/chirp/drivers/radioddity_r2.py", line 223, in _r2_read_block raise errors.RadioError("Failed to read block at %04x" % block_addr) RadioError: Failed to read block at 0008
ERROR: ---------------- ERROR: Clone failed: Failed to read block at 0008 ERROR: --- Exception Dialog: Failed to read block at 0008 --- ERROR: None
It's not always block 0008, sometimes others. Sounds like a timing issue that hits often enough to make a download impossible, but not always at the exact same block. The cable is:
[ 590.992784] usb 1-11: new full-speed USB device number 11 using xhci_hcd [ 591.133874] usb 1-11: New USB device found, idVendor=067b, idProduct=2303, bcdDevice= 3.00 [ 591.133880] usb 1-11: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 591.133884] usb 1-11: Product: USB-Serial Controller [ 591.133887] usb 1-11: Manufacturer: Prolific Technology Inc. [ 591.136816] pl2303 1-11:1.0: pl2303 converter detected [ 591.138128] usb 1-11: pl2303 converter now attached to ttyUSB0
I bought the cable from eBay:
https://www.ebay.co.uk/itm/USB-Programming-Cable-for-Retevis-H777-RT22-RT24-...
As far as I can tell it looks genuine. The PC is a current Arch Linux system.
Reading the docs suggests that the cable might be to blame. Before contacting the seller about it I just wanted to check if this is the expected failure mode for the cable or would it not work at all if it were using a copycat pl2303?
If this is a timing issue can I slow Chirp down somehow to see if that makes a difference? E.g. let it sleep for a bit between downloading blocks to give the radio/cable some time to recover?
All suggestions and comments welcome!
Thanks, Marc
Hi Marc,
Reading the docs suggests that the cable might be to blame. Before contacting the seller about it I just wanted to check if this is the expected failure mode for the cable or would it not work at all if it were using a copycat pl2303?
If you are using Windows and you have not previously downloaded, installed and selected the Prolific V3.2.0.0 device driver, this is the problem. Nearly all chips in programming cables that identify themselves as being Prolific are unauthorized copies. The device driver automatically installed by Windows (since around 2008) is intentionally incompatible with unauthorized chip copies.
You can double check using Device Manager. It will show which device driver is selected. If it show a device driver version newer than 3.3.2.105, then it is incompatible. Both Prolific V3.3.2.102 and V3.3.2.105 will work with CHIRP, but my testing has found that it is not compatible with some factory programming software. The recommended version is V3.2.0.0 because it works with all programming software I've tried and any chip that identifies itself as being a PL2303.
This page has a link to the V3.2 0.0 device driver and a guide for how to get it selected. I keep several versions installed and switch between them at will to test for genuine Prolific USB-to-Serial chips. They are very rare. Of the many programming cables I have, only 1 has a genuine Prolific chip.
http://www.miklor.com/COM/UV_Drivers.php
Jim KC9HI
Hi Jim,
thanks for the quick response.
On Thu, 30 Apr 2020 at 13:42, Jim Unroe rock.unroe@gmail.com wrote:
If you are using Windows and you have not previously downloaded,
Unfortunately, I use Arch Linux and I don't have Windows installed on any machines.
All the best, Marc
participants (2)
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Jim Unroe -
Marc Eberhard