Hi Simon,
On Fri, Aug 21, 2020 at 2:31 AM goldsimon <goldsi...@gmx.de> wrote:
>
>
>
> Manu Abraham wrote:
> > [..]
> > #error "lwip_sanity_check: WARNING: TCP_WND is larger than space
> >provided by PBUF_POOL_SIZE * (PBUF_POOL_BUFSIZE - protocol headers).
> >If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS
> >to 1 to disable this error."
> >
> >So, What should be done ?
> >
> >Am I going on the right track, or something is wrong somewhere ?
>
> I think so. TLS has this far only been used in setups with relatively large
> RAM settings. It could be tweaked, but you'd have to know what you're doing.
> The current compile time checks are there to help you to not get stuck in the
> middle of a transfer because you're out of memory. That doesn't mean you
> always need all memory...
Thanks for the direction.
So, I modified the POOL_SIZE
#define PBUF_POOL_SIZE 24 // (was originally 8)
now it freezes on altcp_mbedtls_connect()
(931) altcp_mbedtls_connect:
tcp_connect to port 8883
(1181) tcp_conn
This is where it freezes:
err_t
tcp_connect(struct tcp_pcb *pcb, const ip_addr_t *ipaddr, u16_t port,
tcp_connected_fn connected)
{
LWIP_DEBUGF(TCP_DEBUG, ("(%d) %s: Done\n", __LINE__, __FUNCTION__));
return ret;
}
Any idea, why that would be the case ?
Thanks,
Manu
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