Dashpanel install issue

[dsarvadi]

get an error message, as follows
"npm error code ENOENT
npm error syscall open
npm error path /home/david/package.json
npm error errno -2
npm error enoent Could not read package.json: Error: ENOENT: no such file or directory, open '/home/david/package.json'"
package.json is located in the nodejs-poolController-dashPanel directory, which is located in the Home directory. Not quite sure how to troubleshoot this or fix it, as I followed the install instructions in the Quick Start Guide,
"cd ~
git clone https://github.com/rstrouse/nodejs-poolController-dashPanel.git
cd ~/nodejs-poolController-dashPanel
npm i
npm run build
npm run start:cached"

I'm not sure how to fix this. I suspect I may have to remove dashpanel and reinstall, and maybe poolController as well. Any help is greatly appreciated.

[tagyoureit]

npm error path /home/david/package.json -> your path isn't correct. It is likely in /home/david/nodejs-poolController-dashPanel/package.json. Your commands look correct but the cwd (current working directory) is wrong.

[dsarvadi]

So thanks for the patient assistance. I finally got it working. Attached is the screenshot. WHat finally worked for the Waveshare RS485 connector were the following lines added to config.json in nodejs-poolController:
"comms": {
"type": "local",
"portId": 0,
"enabled": true,
"rs485Port": "/dev/ttyUSB0",
"mock": false,
"netConnect": true,
"netHost": "192.168.xxx,xxx",
"netPort": 8899,
"inactivityRetry": 10,
"portSettings": {
"baudRate": 9600,
"dataBits": 8,
"parity": "none",
"stopBits": 1,
"rtscts": false,
"autoOpen": false,
"lock": false
},
"netSettings": {
"allowHalfOpen": false,
"keepAlive": false,
"keepAliveInitialDelay": 5
},
"screenlogic": {
"connectionType": "local",
"systemName": "Pentair: 00-00-00",
"password": 1234
},
"username": "XXXXX",
"password": "XXXXX"
},

I couldn't edit this in the UI because I couldn't figure out how to access the NJSPC UI. Editing it in the config directly worked. I also had to set the RS485 connector to server instead of the default client. The device provides transparent pass through of the RS485 data to the wifi port. SO far everything is working well.

The setup is an old HP tablet running ubuntu 24.04. I'm planning on integrating it into Home Assistant and havingPM2 start it up on reboot. If anyone is interested in more details, PM me. Thanks to all who weighed in.

[tagyoureit]

dashPanel is the njsPC Ui. Follow the arrows. You were close.

[dsarvadi]

Adding the RS485 port via the comm entry here doesn't seem to work if there is a password on the controller. It keeps reporting a connection error, " error: Error: connect ECONNREFUSED. I've tried editing the config.json file but without success to add the systemName and password. Still working on it.

[dsarvadi]

Also, should note, I changed from ubuntu to windows for the operating system.

[dsarvadi]

When I edit config.json, on reopening the program, a corrupt file is created. Here's an example. The config.json file was edited in ubuntu using text editor. Tried notepad++ and notepad both. No luck. Thanks for any thoughts.

[dsarvadi]

I get a file named like this, and the changes I made are not used in the reconsituted config.json file. config.corrupt-1776289656899.json.

[dsarvadi]

Got it fixed. Thanks for the help and support.

[dsarvadi]

It's now working with a waveshare RS485-wifi connection. The waveshare is connected to the Screenlogic interior component that has the 4 wire connection to the rs485 chip in the Easytouch OCP. Send me anore if anyone needs help with the connection and I'll send the pics of the settings in the waveshare. The device is available on Amazon for about $38. waveshare RS232/485 to WiFi and Ethernet Converter Serial Server, Modbus Gateway, MQTT Gateway,Serial Port to HTTPD Client, Allow Serial Port to WiFi, Serial Port to Ethernet, Ethernet to WiFi. THe nodejs-poolController and dashPanel are running on a Windows 10 table, which gives me access to the dashpanel through its IP address.. I'm adding home assistant to the system with Hubitat for connection to zigbee and zwave devices.