Search found 6 matches

by nextdomo
Mon Jul 14, 2014 6:21 pm
Forum: Opentherm Gateway Forum
Topic: Firmware version 4.0 has been released.
Replies: 49
Views: 41585

Re: Firmware version 4.0 has been released.

Hi Schelte, I have the latest beta (4.0b5) running for a while now and I am about to update to 4.0.1. A very interesting update is the support for the On/Off thermostats. I've read the following information in the stand-alone section of the website: As indicated, the gateway by default will instruct...
by nextdomo
Wed Jul 09, 2014 6:27 pm
Forum: Opentherm Gateway Forum
Topic: PIC16LF88 otwg on 3V3
Replies: 3
Views: 4282

Re: PIC16LF88 otwg on 3V3

Many thanks for your quick reply, I use the ICD2 and indeed the bit change works. I see the version number at startup and it works. thanks. however it will also need a hardware change i guess because the thermostat reports his status but the pic-chip is not responding on it. only when i raise the vo...
by nextdomo
Wed Jul 09, 2014 4:16 pm
Forum: Opentherm Gateway Forum
Topic: PIC16LF88 otwg on 3V3
Replies: 3
Views: 4282

PIC16LF88 otwg on 3V3

Hi all, I am testing the low voltage version of the PIC16 called PIC16LF88 with the OTGW. It works great on 4V however I want to use it on 3V3. Every time I lower the voltage below 4V it stops working and it looks like this is a typical case for the Brown-out circuit. I have read the documentations ...
by nextdomo
Mon Jun 30, 2014 11:48 am
Forum: Opentherm Gateway Forum
Topic: Self programming mode
Replies: 5
Views: 6633

Re: Self programming mode

Hi, I continued working on the self programming of the firmware, this is what I do during the update: 1. After powerup wait for ETX 2. When ETX is received by host request version of PIC (cmd=0) 3. When version is received by host request EEdata of PIC (cmd=4) 4. When EEdata is received by host writ...
by nextdomo
Thu May 01, 2014 6:11 pm
Forum: Opentherm Gateway Forum
Topic: Self programming mode
Replies: 5
Views: 6633

Re: Self programming mode

Hi, Thank you for the reply, I was in the understanding that the data should be requested with the command and totally overlooked the part of documentation where is told about the unsolicited reports, sorry for that. I have looked some more into the issue where the OTGW sends the "Op" stri...
by nextdomo
Thu Apr 24, 2014 5:07 pm
Forum: Opentherm Gateway Forum
Topic: Self programming mode
Replies: 5
Views: 6633

Self programming mode

Hello, I have a few questions, I hope there is someone who can help me. I'm trying to set the OTGW in his self programming mode. I did this by sending a break condition with a host processor (TX of host low for 1.5 ms). The documentation states that the OTGW responds with a <ETX> but I did not recei...

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