LM-1 no connection
Posted: Mon Oct 19, 2020 2:42 am
Hi folks,
I will need my Nistune board in the near future but I’m having trouble with my Innovate LM-1 controller.
The only setup where it is possible to connect to a PC is on my old laptop COM1 port.
As I would like to replace that with a new one, I started testing the LM-1 on another PC at home.
It’s not new neither and it runs Windows XP.
I thought I’d start there because it has a COM1 port as well.
I can’t have Logworks connecting to the LM-1.
On the laptop the settings of the COM1 are 19200bps, 8 databits, no parity, 1 stopbit, flow control Xon/Xoff.
I’ve set the COM1 on the desktop similar.
Every time it’s giving a popup telling “LM Datalogger Application has encountered a problem and needs to close. We are sorry for the inconvenience.”
Although the LM-1 display changes from “No Sensor Power Connected” to “Serial Interface”.
Then I acquired a USB to Serial adapter.
On the box it mentions FTDI.
With the USBview.exe from the Nistune website I can see “idVendor: 0x0403 (Future Technology Devices International Limited)”.
The same here – no connection and Logworks closes.
I tried on a more recent desktop with Windows 10 but it’s just the same.
Downloaded and installed a fesh version of Logworks as well.
I tried altering settings, even the advanced ones like buffer times but to no avail.
Then I’ve been watching at the TXD and RXD signals on the COM 9-pin connector with the oscilloscope.
In the situation where it works (Logworks on the laptop) I can see a repetitive pulse train of 500us on TXD and the data coming in on the RXD in repetitive pulse trains of 10ms, and this during about 2 minutes untill all data has been transferred.
In all other setups these pulse trains are there as well but only once.
There is some polarity change on RTS in all setups but there is action on the DTR pin only in the working setup.
I still can’t figure out if this is a hardware problem or a software problem.
Is there anyone here that has experience with this or that could shed a light on this.
I’m starting to see hammers and angle grinders when I close my eyes
Am I getting too old for this?
I will need my Nistune board in the near future but I’m having trouble with my Innovate LM-1 controller.
The only setup where it is possible to connect to a PC is on my old laptop COM1 port.
As I would like to replace that with a new one, I started testing the LM-1 on another PC at home.
It’s not new neither and it runs Windows XP.
I thought I’d start there because it has a COM1 port as well.
I can’t have Logworks connecting to the LM-1.
On the laptop the settings of the COM1 are 19200bps, 8 databits, no parity, 1 stopbit, flow control Xon/Xoff.
I’ve set the COM1 on the desktop similar.
Every time it’s giving a popup telling “LM Datalogger Application has encountered a problem and needs to close. We are sorry for the inconvenience.”
Although the LM-1 display changes from “No Sensor Power Connected” to “Serial Interface”.
Then I acquired a USB to Serial adapter.
On the box it mentions FTDI.
With the USBview.exe from the Nistune website I can see “idVendor: 0x0403 (Future Technology Devices International Limited)”.
The same here – no connection and Logworks closes.
I tried on a more recent desktop with Windows 10 but it’s just the same.
Downloaded and installed a fesh version of Logworks as well.
I tried altering settings, even the advanced ones like buffer times but to no avail.
Then I’ve been watching at the TXD and RXD signals on the COM 9-pin connector with the oscilloscope.
In the situation where it works (Logworks on the laptop) I can see a repetitive pulse train of 500us on TXD and the data coming in on the RXD in repetitive pulse trains of 10ms, and this during about 2 minutes untill all data has been transferred.
In all other setups these pulse trains are there as well but only once.
There is some polarity change on RTS in all setups but there is action on the DTR pin only in the working setup.
I still can’t figure out if this is a hardware problem or a software problem.
Is there anyone here that has experience with this or that could shed a light on this.
I’m starting to see hammers and angle grinders when I close my eyes
Am I getting too old for this?