Search found 4 matches

by sabbay
Thu Oct 24, 2019 11:11 am
Forum: ESP-IDF
Topic: Serial Modbus Master - restart stack
Replies: 3
Views: 4612

Serial Modbus Master - restart stack

In my application modbus controller seems to start malfunctioning after some time (reads return error 0xffff), so I`m trying to restart the modbus stack, but the code below doesnt seem to work. Also I came across use after free bug while doing this https://github.com/espressif/esp-idf/issues/4238 Ho...
by sabbay
Sat May 25, 2019 12:38 pm
Forum: General Discussion
Topic: modbus unexpected behaviour
Replies: 1
Views: 2798

modbus unexpected behaviour

Hello, I`m experimenting with modbus right now. I have 2 ESP32 setup connected as shown https://github.com/espressif/esp-idf/tree/master/examples/protocols/modbus_master here. I`ve flashed example slave for one, example master for second (modified so it only sends requests to slave 1). Now I get REA...
by sabbay
Tue May 21, 2019 1:15 pm
Forum: General Discussion
Topic: ESP-IDF and BG96 GSM Module
Replies: 7
Views: 10105

Re: ESP-IDF and BG96 GSM Module

Hi,
I`m also interested in stable GSM connection. I`ve written a post viewtopic.php?f=13&t=10565, but no response so far. Did you make any progress?
PS. I can`t pm you because my account is too fresh :(
by sabbay
Thu May 16, 2019 8:59 am
Forum: ESP-IDF
Topic: PPPoS - reconnect on sim800L failure.
Replies: 0
Views: 2989

PPPoS - reconnect on sim800L failure.

Hi, I`m new to your framework. I was hoping for a bit of wisdom on PPPoS with sim800L - how to reconnect to internet after module power-off. Using the example from there https://github.com/espressif/esp-idf/tree/master/examples/protocols/pppos_client I modified the code to send some data to MQTT bro...