[Ovmsdev] Firmware 2.8.1

Julien (JaXX) Banchet jaxx at jaxx.org
Fri Sep 25 17:13:24 HKT 2015

Hi Mark,

Running one of Michael's recent builds of 2.7.2/RT/V2.
"SERVER tmc.openvehicles.com" seems to work like a charm (still getting 
'live' after 10/15 minutes at least)
Using the 2€/month Free Mobile sim card in France (runs over Orange's 2G 
network as they don't have a 2G network themselves)



Le 24/09/2015 08:07, Mark Webb-Johnson a écrit :
> By the way, anyone brave enough to try putting in 
> ‘tmc.openvehicles.com <http://tmc.openvehicles.com>’ into the ServerIP 
> field, even without running this new code?
> From what I can see (and tested here), if your ISP provides DNS 
> servers as part of its GPRS profile, then it should just work. The 
> change below is just to allow you to specify a DNS server directly 
> (rather than rely on the ISP provided ones). Switching to use DNS 
> names should allow us to avoid problems such as TMC experienced this 
> past week.
> Regards, Mark.
>> On 23 Sep, 2015, at 10:51 pm, Mark Webb-Johnson 
>> <mark at webb-johnson.net <mailto:mark at webb-johnson.net>> wrote:
>> I’ve built a firmware for 2.8.1.
>> This includes all the changes since March 2014. Quite a few minor bug 
>> fixes and improvements.
>> Most noticeable new work is parameter #0x16, GPRSDNS. This can be 
>> configured as the fourth parameter to the GPRS command, and specifies 
>> the DNS server. It seems that the gprs protocol allows the mobile 
>> providers to push DNS server IPs to us, and the SIM908 recognises and 
>> stores those. But, for those providers that don’t support that, this 
>> parameter allows it to be explicitly set. We can now use DNS names 
>> (tmc.openvehicles.com <http://tmc.openvehicles.com/>), instead of IP 
>> addresses, for the Server IP parameter. This is a much better way of 
>> doing it.
>> I’ve also changed the COPS mechanism around a bit, to try to make it 
>> work better in marginal network conditions. In particular, in my 
>> garage ;-) The new logic is to wait for up to 5 minutes, after COPS 
>> fails, to see if we can get a network registration anyway. If we can, 
>> we continue with GPRS. If we can’t we try COPS again.
>> This is a release candidate now.
>> Regards, Mark.
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