Search found 6 matches

by davidm
Tue Oct 31, 2017 3:38 am
Forum: Report Bugs
Topic: lwip_sendto() rejects IPv4 destinations on IPv6 socket
Replies: 0
Views: 3306

lwip_sendto() rejects IPv4 destinations on IPv6 socket

Receiving IPv4 packets on an IPv6 socket works just fine but trying to reply to such a packet with sendto() causes EINVAL because lwip_sendto() rejects this case. The attached patch simply disables the check and that fixes the problem. However, I'm not sure if that has any other unintended consequen...
by davidm
Mon Oct 30, 2017 5:04 am
Forum: Report Bugs
Topic: coap IPv6 fix
Replies: 0
Views: 3184

coap IPv6 fix

I needed this patch to get IPv6 working with libcoap. Without it, the IPv6 address got truncated.
coap-port-ipv6-fix.diff.txt
(2.16 KiB) Downloaded 1020 times
by davidm
Mon Oct 30, 2017 2:50 am
Forum: ESP-IDF
Topic: lwip with IPV6_JOIN_GROUP support
Replies: 2
Views: 4719

Re: lwip with IPV6_JOIN_GROUP support

Excellent! Thanks for the quick reply. Not sure how I missed that...
by davidm
Sun Oct 29, 2017 11:48 pm
Forum: ESP-IDF
Topic: lwip with IPV6_JOIN_GROUP support
Replies: 2
Views: 4719

lwip with IPV6_JOIN_GROUP support

Do you have plans to upgrade lwip to STABLE-2_0_3_RELEASE soon so IPv6 multicast support will be available?

Thanks!
by davidm
Tue Feb 21, 2017 10:19 pm
Forum: Hardware
Topic: ADC reference voltage on external pin?
Replies: 2
Views: 9273

Re: ADC reference voltage on external pin?

Thanks for the clarification!
by davidm
Thu Feb 09, 2017 5:42 am
Forum: Hardware
Topic: ADC reference voltage on external pin?
Replies: 2
Views: 9273

ADC reference voltage on external pin?

Is it possible to route the ADC's reference voltage (Vref) to one of the pins? If so, how? Also, what voltage is Vref set to?

Thanks!