Official development framework for ESP32 microcontroller (as opposed to Arduino). Abbreviation for Espressif IoT Development Framework.
Questions tagged [esp-idf]
377 questions
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1 answer
RTC Static Memory in Deep Sleep on ESP32 with ESP-IDF
I am using the 8KB of static RAM on the RTC inside the ESP32 to save a small amount of sensor data to reduce power consumption by transmitting less frequently. But I am having no luck with even the simple example code:
RTC_DATA_ATTR uint32_t…
monkey
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0
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1 answer
ESP-IDF VScode Monitor KeyError: 'IDF_PATH'
I have installed ESP-IDF extension on the Visual studio code on my Windows 10 machine. When I am trying to open the monitor it is throwing the following…
Ajay Ramprasad
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Communicate with a telegram bot using https request through esp-idf
Edit: I realize that the problem was with the certificate and I was not able to add it to this example. I switch to the esp_http_client, which has a certificate (that did not work for telegram), and in there I use the https examples. I had to change…
antusystem
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OTA for FreeRTOS for device in deep sleep from AWS
Background
I have a small battery powered system running on freeRTOS. I need to periodically run OTA updates, as per any proper internet connected device. The problem is that, being battery powered, the device spends 99.9% of it's life in deep…
monkey
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1 answer
esp-idf: Conditional inclusion of components with same functions
I'm working on a project which requires to develop the firmware for several esp32. All the microcontrollers share a common code that takes care of wifi and mqtt, however they all have a different behavior, which is defined in a specific component.…
icarletto
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ESP-IDF || CORE dump
I was writing a simple program for the led blink, the program was working fine with GPIO_NUM_2 but when the led pin num is changed to GPIO_NUM_2 the program started behave oddly, and I don't know why that is happening. Please explain what mistake I…
Lawliet
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Problem with atributte shared_ptr in class base and derived
Given something function like this:
void process() {
std::shared_ptr receiver(std::make_shared());
Command *cmd1 = new InfoCMD(receiver,10);
cmd->Execute();
delete cmd;
DELAY_MS(1000);
Command *cmd2 = new…
Jorge Arcos
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1 answer
ESP-IDF and FreeRTOS DATA Sheet CODE Compatibility
I was trying to learn ESP-IDF with FreeRTOS, and when I am using a code from the data sheet with very minimal changes
(REF code : Documentation page:53 and 54. The Board is restarting.
#include
#include "freertos/FreeRTOS.h"
#include…
Lawliet
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- 6
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No Includes directory in Project Explorer
I have just installed Eclipse CTD v2020.6 and ESP-IDF v4.1 and configured it in Windows 10. I can build and flash without any problem. But I don't know why I can't see the Includes directory in Project explore. Is it normal, if so is there any way I…
Rajesh Kumbhakar
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esp-idf : I can't include mdebtls directory in a component
On esp32, using esp-idf, I built a module called webSocket.c/.h .
it includes
#include "esp32/sha.h"
As this module is generic, I want to put it in a component. I moved it to
"components/webSocket" directory and added a CMakeLists.txt file like…
Julien
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1 answer
Change default location of sdkconfig file
The project is based on ESP-IDF v4.
It can be built for several platforms.
Currently I'm trying to enable full out-of-source build approach and sdkconfig is the only auto-generated file that remains in the source tree. By default it is saved in the…
Maksym Lopatin
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1 answer
GitHub Actions with ESP-IDF compilation
I'd like to create a CI flow on GitHub Actions for a compilation process of my ESP-IDF-based project, over my self-hosted runner.
The ESP-IDF require exporting numerous shell variables and other shell-related tasks before the compilation. They…
galah92
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Sending data to MyMqttHub through AT Commands
I've been coding a AT client using ESP32 S2 as a host and Nimbelink's Skywire Nano (nrf9160) as a LTE Modem controlled by Serial AT Commands, the LTE module is responsive and is working well. The LTE modem has an internal TCP Stack, which we have…
0
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2 answers
Error performing esp-idf OTA update from AWS S3
I'm trying to perform an OTA update with esp-idf by downloading firmware from an S3 bucket. I'm using the following provided snippet:
esp_http_client_config_t config = {
.url = "https://my-bucket-name-here.s3.amazonaws.com/firmware.bin",
…
rcole
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1 answer
How to send a jpg image in memory from a websocket client
I playing with a ESP32-CAM.
I have a image encoded as jpg in a struct as this
typedef struct {
uint8_t * buf; /*!< Pointer to the pixel data */
size_t len; /*!< Length of the buffer in bytes */
size_t width; …
jdk
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