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Questions tagged [esp-idf]

Official development framework for ESP32 microcontroller (as opposed to Arduino). Abbreviation for Espressif IoT Development Framework.

377 questions
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Why do I get the Debug exception reason: Stack canary watchpoint triggered (main)?

I'm writing a program for esp32-wroom-32 using esp-idf-v3.0. I'm trying to add logs, which will be saved in fatfs. After some logs I get: 21:54:21.306 -> Debug exception reason: Stack canary watchpoint triggered (main) 21:54:21.306 -> Register…
user2993539
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Implementing Wi-Fi Direct for ESP32

First, I'm referring to the Wi-Fi P2P standard as described here, and specified here. I'm not referring to the method of creating an AP and station pair. Second, if an implementation of Wi-Fi Direct for the ESP32 already exists, please share. I've…
Ababwa
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in ESP32 / ESP-IDF - when to use EEPROM vs NVS vs SPIFFS?

I'm fairly new to doing production work on ESP32 microcontrollers, and I'm wanting a little context and nuance from people who've been around the block a few times. So this question is a bit more on that kind of thing rather than a "how do I code X"…
chrispitzer
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Failed to resolve component 'esp_ipc'

I am configuring a project on an ESP32doitdev board. I am using the native esp32-framework as well as arduino. I am working with the platformio core in order to compile. I am getting an error which resolves to a inter-processor call module in the…
Nick Goralka
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How to cleanly tell a task to die in FreeRTOS

I'm making a light with an ESP32 and the HomeKit library I chose uses FreeRTOS and esp-idf, which I'm not familiar with. Currently, I have a function that's called whenever the colour of the light should be changed, which just changes it in a step.…
Tugzrida
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Can we reduce ESP IDF boiler plate size?

I tested running bare bones code using ESP IDF on an ESP32 chip using duinotech XC-3800, and obtained the following results in terms of image size. Analysis Binary Size for ESP32 Folder…
Rijul Gupta
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Running Multiple Versions of ESP-IDF concurrently

Just had a go at running up the most recent version of ESP-IDF on my machine. All good. Current Version = 4.3.2 Latest Version = 5.0.1 I work in Visual Studio, but use the ESP cmd terminal directly to build etc. Haven't managed to figure out the…
monkey
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`.bss' is not within region `ram' error - esp32 ulp risv-v

I'm trying to copy array elements from one array to another. One of the arrays uses a int32_t index to track the current index. int32_t pres_log_last_5_readings_raw[5]; int32_t final_arr_pressure[100]; int32_t final_array_index = 0; for…
shachaf zilberman
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How to build multiple configurations of an ESP-IDF application

I have one ESP-IDF application and two hardware boards. I use a preprocessor definition to control which hardware board version to build. For now, I'm modifying the config in the sdkconfig file via menuconfig. But I would like to build both versions…
Scott Eklund
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Making HTTPS requests from ESP32

I am making a post request from my ESP32 S2 Kaluga kit. I have tested the HTTP request while running a server program in my LAN. I am using esp_http_client_handle_t and esp_http_client_config_t from esp_http_client.h to do this. Now, I have a HTTPS…
Brotchu
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Difference between printf and ESP_LOGI?

I just want to know, what is the difference between esp's ESP_LOGx and printf, related to memory use and its other features. And which is the best to use for log ESP_LOGI, printf or any other logging function?
horsemann07
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ESP32 esp-idf what is the sdkconfig.ci file used for?

Several of the examples in the esp-idf contain a sdkconfig.ci file (e.g. examples/bluetooth/nimble/blehr). I understand the usage of sdkconfig.defaults but I can't find any reference to sdkconfig.ci in the Espressif build system API guide. When…
Martin CR
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CMakeLists - How to include a directory of source and header files?

I feel like this question has been asked a bunch of times, but none of the answers I have found seem to be working for me. I'm extremely new to CMake and C/C++ as I come from the world of Java, and am struggling to understand cmake and how it…
The Kaese
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ESP-IDF project with multiple source files

I started my project with a simple "blink" example and used it as a template to write my code. This example used only one source file blink.c. Eventually, I want to a use multi source files project and can't figure out how to configure…
Dmitry Kezin
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Unable to compile ESP-IDF example project

I'm trying to compile my first ESP32 example project. I set up Visual Studio Code with all the latest tools. (Python, toolschain, etc). I'm not sure what exactly I need as I'm new in this environment, so maybe I missed something. I followed the user…
Dmitry Kezin
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