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Re: [lwip-users] lwip + modbus TCP + UDP
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From: |
Sylvain Rochet |
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Subject: |
Re: [lwip-users] lwip + modbus TCP + UDP |
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Date: |
Mon, 31 Dec 2018 16:09:09 +0100 |
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User-agent: |
Mutt/1.5.23 (2014-03-12) |
Hi,
On Mon, Dec 31, 2018 at 02:31:22PM +0100, Pablo Ledergerber wrote:
>
> The freemodbus library uses the TCP Raw library and the upd discovery
> function the netconn api. We have one thread for modbusTCP,
The RAW API is not thread-safe, you can't use it within a thread (other
than the lwIP core thread).
See http://www.nongnu.org/lwip/2_1_x/pitfalls.html
Sylvain
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