Search found 15 matches

by alllllllllllllllllll
Wed Sep 02, 2020 10:20 am
Forum: ESP-IDF
Topic: esp_event_loop_create_default(); error
Replies: 0
Views: 2210

esp_event_loop_create_default(); error

Hi everyone, in my project I'using the wifi example coupled with the Modbus Master (esp 32, v 4.2). Is possible that some bugs in esp_event_loop_create_default() function leads to the error showed on the screenshot?

How this function work in detail?

Let me know.

Thanks for your time.
by alllllllllllllllllll
Mon Aug 31, 2020 1:04 pm
Forum: ESP-IDF
Topic: stack overflow Modbus master v4.2
Replies: 2
Views: 2518

stack overflow Modbus master v4.2

Hi everyone, I would like to know if the following fragment of code could cause a stack overflow of the modbus task which reads the measures from a slave device in a continuous manner.

Let me know.

Thank you for your valuable advice.
by alllllllllllllllllll
Mon Aug 24, 2020 10:52 am
Forum: ESP-IDF
Topic: core set/reset in wifi example error
Replies: 2
Views: 2363

Re: core set/reset in wifi example error

Hi ESP_Sprite , over the UART I have both the booth loader and the modbus communication.
by alllllllllllllllllll
Wed Aug 12, 2020 2:50 pm
Forum: ESP-IDF
Topic: core set/reset in wifi example error
Replies: 2
Views: 2363

core set/reset in wifi example error

Hi everyone, I'm working on a project which involves the wifi http file serving example. However, the code execution breaks at the following line *((int *) 0) = 0; several times. Moreover, this error occurs even if the wifi http file serving example is run alone (v4.2). Does anyone know how to solve...
by alllllllllllllllllll
Fri Aug 07, 2020 9:21 am
Forum: ESP-IDF
Topic: http server simple example not working (v4.2)
Replies: 0
Views: 1409

http server simple example not working (v4.2)

Hi everyone, I'm trying to run the http server simple example but it doesn't seem to work.
Considering the message from the serial port it seems that there is some problem with registration of the uri handler.
Thank you for your valuable advice.
by alllllllllllllllllll
Wed Aug 05, 2020 9:38 am
Forum: ESP-IDF
Topic: Modify http server example
Replies: 0
Views: 1568

Modify http server example

Hi everyone, I would ask how is possible to modify the http server example (https://github.com/espressif/esp-idf/tree/master/examples/protocols/http_server/file_serving/main) in order to upload a file not by clicking but in correspondence of another event? I would also appreciate suggestions on how ...
by alllllllllllllllllll
Tue Aug 04, 2020 2:21 pm
Forum: ESP-IDF
Topic: Print a variable on http server (esp 32 espressif)
Replies: 0
Views: 1570

Print a variable on http server (esp 32 espressif)

Hi everyone, how is possible to print a variable in html page starting from the example https://github.com/espressif/esp-idf/tr ... le_serving ? Thank you in advance.
by alllllllllllllllllll
Mon Aug 03, 2020 7:41 am
Forum: ESP-IDF
Topic: Re: master esp idf 4.2 Characteristic read fail error
Replies: 4
Views: 3908

Re: master esp idf 4.2 Characteristic read fail error

Hi ESP_alisitsyn, regarding the point 3, what do you suggest when both Wfi and Modbus communication must run at the same time for the purpose of the project ?
by alllllllllllllllllll
Fri Jul 31, 2020 8:09 am
Forum: ESP-IDF
Topic: Merging two esp idf examples
Replies: 1
Views: 2084

Merging two esp idf examples

Hi guys, I'm trying to merge two esp-idf example, "Modbus master" and "http_server" (using visual studio and visual gdb as debugger). My idea is reading a modbus slave device and transferring the read data on a web server; all the process occurs in real time. The next step will be plotting and updat...
by alllllllllllllllllll
Fri Jul 31, 2020 7:41 am
Forum: ESP-IDF
Topic: Re: master esp idf 4.2 Characteristic read fail error
Replies: 4
Views: 3908

Re: master esp idf 4.2 Characteristic read fail error

Hi ESP_alisitsyn, yesterday I solved the problem by changing the type of data in the CID description (from float to uint8).
I'm not completely sure that this was the source of the problem, however now it seems to work (it store the temperature value in the "value")