No EEPROM config
RFM69CW Node: 8 Freq: 433Mhz Group: 210
POST.....wait 10s
'+++' then [Enter] for RF config mode
CT 1 Cal 90.90
CT 2 Cal 90.90
CT 3 Cal 90.90
CT 4 Cal 16.67
RMS Voltage on AC-AC is: ~251V
AC-AC detected - Real Power measure enabled
assuming pwr from AC-AC (jumper closed)
USA mode active
Vcal: 130.00
Phase Shift: 1.70
NO CT's detected
No temperature sensor
CT1 CT2 CT3 CT4 VRMS/BATT PULSE
ct1:78,ct2:0,ct3:0,ct4:0,vrms:11998,pulse:0
ct1:8,ct2:0,ct3:0,ct4:0,vrms:11998,pulse:0
ct1:10,ct2:0,ct3:0,ct4:0,vrms:12031,pulse:0
If you link the RX and TX together on the serial programmer instead of connecting it to a device, you should be see everything you type into the arduino IDE’s serial console, echoed back. It’s a simple test that simply loops the transmitted serial output back down the received line. You can use a short piece of wire or a metal paper clip.
How about trying a different sketch, such as blink.ino? If that works, the upload side of the cable/hardware must be OK. The original emonTx V3.4 Discrete Sampling V2.60 code can then be installed again.
Is anyone else running V2.6? Is serial config working ok for you? I can replicate the issue, we have been using it in the factory for some time now to set node ID.
Providing the pinout is as expected, this would suggest there is a problem with the emontx or the firmware installed. Next step would probably be to try and reinstall the firmware.
Are you waiting >10s <20s? from when the serial prints these messages
POST.....wait 10s
'+++' then [Enter] for RF config mode
Once those messages print the emonTx seems to sleep for 10s before there is a 10s window to reply. Try waiting 15secs from when the message appears to [enter] the +++ to hopefully put you in the centre of the 10s window.
Try 15secs, 10s is cutting it fine since the code sleeps for 10s and does other stuff before beginning to set up to listen, if all 3 +'s are not seen it won’t work either.
Are you using the Arduino IDE? Try setting the line ending to “Both NL & CR” if it isn’t already
Any update on this? Did you manage to resolve the issue? I’ve just tested again and can confirm V2.6 firmware serial config works fine with the shop USB to UART adapters. Tested with platfrmIO serial monitor and minicom (@115200 baud).
It is working. It was the board. One of the pin wasn’t connected all the way. Thanks man. Have another question when USA 1 is on that means the Vrms changes to 130?
When USA mode is enabled vrms calibration = 130. This is the calibration for the AC-AC USA plug voltage sensor adapter sold via the shop.
I’ve just noticed a bug when using emonTx in apparent power mode with USA mode enabled. I’ve pushed a fix for this and started a new thread. See above.
Let me add a comment on this thread, in case others stumble upon this:
I was just configuring the node numbers on three emonTx today and I was using the “Arduino IDE’s Serial Monitor” as my serial terminal SW (on Windows).
This particular terminal allows you to set what type of carriage return to send when you hit ENTER, the options are “No line ending”, “Newline”, “Carriage return” and “Both NL and CR”.
Don’t know if this is a quirk in Windows, but I had to set it to “Both NL and CR” in order to be able to access the config menu with +++ [ENTER]; any other setting would not register the command correctly.
And that is printed on-screen by the emonTx. From the source code:
Serial.println("POST.....wait 10s");
Serial.println("'+++' then [Enter] for RF config mode");
Serial.println("(Arduino IDE Serial Monitor: make sure 'Both NL & CR' is selected)");
NL & CR are required for Linux as well, it’s not just Windows.
