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Error when using AMBEserver
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While I had a bit of spare time this morning, I decided to do a bit of
troubleshooting to find out why AB was apparently not using my ThumbDV dongle for D-STAR (distorted audio being an obvious symptom!). In test mode, I am using AMBEserver on localhost. Eventually, I plan to dedicate the AMBEserver to a remote instance of AB running on a VM, so switching to local USB connection isn't an option. Also, the AMBEserver has previously been successfully used with BlueDV running in a local Windows host. I restarted AMBEserver, then restarted AB, and when AB attemoted to connect, I got the following error repeated dozens of times by AMBEserver: AMBEserver: invalid start byte when reading from the socket, 0x00 The system appears to recognise the AMBE dongle, and I am using a static symlink (managed by udev rules), because there are multiple USB serial devices, and using the ttyUSB device name would mean frequent manual intervention. -- 73 de Tony VK3JED/VK3IRL http://vkradio.com
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I get the same problem. If I restart the ambeserver with AB running all will work fine for days.
From: main@DVSwitch.groups.io <main@DVSwitch.groups.io> on behalf of Tony Langdon <vk3jed@...>
Sent: Friday, March 12, 2021 6:04:30 AM To: main@DVSwitch.groups.io <main@DVSwitch.groups.io> Subject: [DVSwitch] Error when using AMBEserver While I had a bit of spare time this morning, I decided to do a bit of
troubleshooting to find out why AB was apparently not using my ThumbDV dongle for D-STAR (distorted audio being an obvious symptom!). In test mode, I am using AMBEserver on localhost. Eventually, I plan to dedicate the AMBEserver to a remote instance of AB running on a VM, so switching to local USB connection isn't an option. Also, the AMBEserver has previously been successfully used with BlueDV running in a local Windows host. I restarted AMBEserver, then restarted AB, and when AB attemoted to connect, I got the following error repeated dozens of times by AMBEserver: AMBEserver: invalid start byte when reading from the socket, 0x00 The system appears to recognise the AMBE dongle, and I am using a static symlink (managed by udev rules), because there are multiple USB serial devices, and using the ttyUSB device name would mean frequent manual intervention. -- 73 de Tony VK3JED/VK3IRL http://vkradio.com
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I'm now xperimnting with AB talking to
the AMBE dongle over USB, but still no joy, even when using the
actual /dev/ttyUSBn device name.
On 12/3/21 5:22 pm, Ernie Gm7kbk wrote:
-- 73 de Tony VK3JED/VK3IRL http://vkradio.com
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I think you have the same usb stick that I have. Played for hours had no joy . Will only work with ambeserver. When running its got a green Led.
From: main@DVSwitch.groups.io <main@DVSwitch.groups.io> on behalf of Tony Langdon <vk3jed@...>
Sent: Friday, March 12, 2021 6:28:35 AM To: main@DVSwitch.groups.io <main@DVSwitch.groups.io> Subject: Re: [DVSwitch] Error when using AMBEserver I'm now xperimnting with AB talking to the AMBE dongle over USB, but still no joy, even when using the actual /dev/ttyUSBn device name.
On 12/3/21 5:22 pm, Ernie Gm7kbk wrote:
-- 73 de Tony VK3JED/VK3IRL http://vkradio.com
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