Search found 9 matches

by ArminArmin
Fri Mar 10, 2023 10:31 pm
Forum: Hardware
Topic: Uart: receives unexpected values
Replies: 0
Views: 1068

Uart: receives unexpected values

Hello,

What is the problem? The received data from uart pins of esp32 is different from normal putty communication.

What am I trying to do? what is my approach?
I am sending some data through UART (pins 33, 32) to a device.
Once I send command in putty, the responses that I get is either "ok ...
by ArminArmin
Mon Dec 12, 2022 6:50 pm
Forum: ESP-IDF
Topic: Adding a library to CMakeList
Replies: 1
Views: 3524

Adding a library to CMakeList

Hi,

I have LVGL library:
https://github.com/espressif/esp-iot-solution


In this path:
c:/path/esp-iot-solution


I would like to add this path to my project.


What I did:
1. Created a new environment variable for the library path (c:/path/esp-iot-solution) called IOT_SOLUTION_PATH .
2. In ...
by ArminArmin
Thu Dec 08, 2022 1:37 pm
Forum: ESP-IDF
Topic: Components and CMakeList
Replies: 6
Views: 7276

Re: Components and CMakeList

Thank you so much for explaining.

Out of curiosity,

If A1/ directory has multiple files (.h), then each of those files should be written in the CMakeList?

For example, Let's say there are 100 files in the A1/ , then all of those 100 files should be specified in the CMakeList?

Is it possible to ...
by ArminArmin
Tue Dec 06, 2022 6:27 pm
Forum: ESP-IDF
Topic: Components and CMakeList
Replies: 6
Views: 7276

Re: Components and CMakeList

Thanks,

I got only two CMakeList files, one is in the project folder and the other one is in the main/ folder.

Like this:

Code: Select all

project folder:
   - components
   - main
      -CMakeLists.txt
   - CMakeLists.txt
by ArminArmin
Mon Dec 05, 2022 7:46 pm
Forum: ESP-IDF
Topic: Components and CMakeList
Replies: 6
Views: 7276

Components and CMakeList

Hi,

I have been suggested to put different libraries into a components folder and address them using CMakeList.txt .

My folder structure lookslike this:


- main
main.c

- components
-Lib_A
aa.c
aa.h
- A1
bb.c
bb.h
_ A2
dd.c
dd.h
-Lib_B
ee.c
ee.h
- B1
ff.c
ff.h
- B2
gg.c
gg.h ...
by ArminArmin
Tue Nov 22, 2022 3:45 pm
Forum: Hardware
Topic: uart2 pinouts
Replies: 1
Views: 1382

uart2 pinouts

Hi,

I am following this page of documentation for setting communication pins:
https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/uart.html#setting-communication-pins

why it is like this:
ESP_ERROR_CHECK(uart_set_pin(UART_NUM_2, 4, 5, 18, 19));
insterad of this ...
by ArminArmin
Tue Nov 22, 2022 2:55 pm
Forum: Hardware
Topic: UARTs issue
Replies: 0
Views: 1000

UARTs issue

Hi,

I am running the uart_repl from the example folder.
(https://github.com/espressif/esp-idf/tree/1657db56c9a599403595fbf98e3eef6ad627a5d4/examples/peripherals/uart/uart_repl)

Questions in the code:
1. Is DEFAULT_UART_CHANNEL represent the U0RXD , U0TXD ?
2. Why defined rx,tx are 3,2? Shouldn't ...
by ArminArmin
Tue Aug 09, 2022 4:40 pm
Forum: Hardware
Topic: How to have a custom bootloader
Replies: 1
Views: 2886

How to have a custom bootloader

Hello,

I would like to apply some modifications on the bootloader for a project, I read these links:
https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-guides/bootloader.html
https://github.com/espressif/esp-idf/tree/master/examples/custom_bootloader/bootloader_override

Question:
Is ...
by ArminArmin
Mon Aug 08, 2022 8:47 pm
Forum: Hardware
Topic: Enabling pull down resistor on IO5 from bootloader
Replies: 1
Views: 1743

Enabling pull down resistor on IO5 from bootloader

Hello,

How to enable pull down resistor on IO5 from bootloader?

Thanks

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