UP4000 40-pin UART in Windows
Hi all,
New comer here, and I want to use the UP4000 to replace Raspberry Pi and use Windows OS.
The COM1, the serial port in 40-pin doesn't work.
I've searched the forum and I cannot find a working solution. I tried this Python code, but it doesn't work. https://forum.up-community.org/discussion/4774/uart-port-works-on-windows-10-using-minicom-device-monitoring-studio-etc-but-not-on-putty
I've also tried additional USB to serial port module, recognize as COM7 and it works well. I can received and send data.
I understand that there's a CPLD (Altara/Intel) that controls the HAT connector.
Is there any additional step that I need to do to make this work?
Cheers,
Iwan
Answers
-
Hi Sir
Have you installed Pinctrl??
Please reference this website.
https://github.com/up-board/up-community/wiki/40Pin-HeaderBest Regards,
Harry Chiu -
I'm also having problems on my UP4000 with the 'COM1:' on the 40 pin HAT connector (CN1). I have installed the pin control (i.e. UpFrameworkSetup-240910).
This is the O/S I'm using:
Connecting these pins on the HAT connector to a to a TTL Converter Module COM Serial Port Board MAX3232 with a serial loopback.
TTL Converter Module:
Here are the wire colors in the above picture and how they are connected to the HAT connector (CN1)
Thanks for the help in advance,
Marc -
The built in COM ports on the UP4000 board are a little strange - not sure why
Example1:
UP4000 COM port
Normal COM port
Example2:
Several serial terminal software programs fail to recognize the ports. Putty can see the ports but reports Error 31 upon trying to open COM1. I have had luck with Tera Term opening the port, but can't TX/RX anything. -
I built the MinComm example that AAEON posted. Think this example was originally from Microsoft.
MinComm does not detect the serial ports on the UP4000
-
Please reverse the RX-TX cable on the device side and try it again.
Best Regards,
Harry Chiu
