Search found 11 matches

by enthusiastSR
Fri Nov 25, 2022 11:23 am
Forum: Hardware
Topic: Serial Communication
Replies: 4
Views: 1656

Re: Serial Communication

Yes. There is some issue in the path from ESP to LPC. And my question is what could that issue be?

My connections are similar to the one from ESP32-WROOM-32U module, with whom the communication works.

Thank you.
by enthusiastSR
Wed Nov 23, 2022 11:34 am
Forum: Hardware
Topic: Serial Communication
Replies: 4
Views: 1656

Re: Serial Communication

@ESP_Sprite, Yes, otherwise the esp32 chip seems to be ok. So, the basic application is I want to send data from esp32 to lpc1768 over uart. I can observe on an Oscilloscope that the data is sent from esp32 but lpc never recieves it. I don't get any error message. Infact everything works perfectly w...
by enthusiastSR
Tue Nov 22, 2022 8:36 am
Forum: Hardware
Topic: Serial Communication
Replies: 4
Views: 1656

Serial Communication

Hello, I am working on serial communication between esp32 and lpc1768 microcontroller. I have established the communication successfully with a ESP32-WROOM-32U module and our custom board with LPC1768 chip. But, however when I solder the ESP32-WROOM-32U chip on our custom board the communication fai...
by enthusiastSR
Mon Mar 14, 2022 2:31 pm
Forum: General Discussion
Topic: Standard BLE EXample for Bidirectional communication
Replies: 0
Views: 1189

Standard BLE EXample for Bidirectional communication

Hello,

I am looking for an Example to Communicate bidirectionally via Bluetooth.

My requirements are to send Information from ESP32 to Device and back from Device to ESP32.

Can someone please suggest me relative Examples and libraries?
by enthusiastSR
Mon Mar 14, 2022 2:27 pm
Forum: ESP-IDF
Topic: Updating ESP-IDF to newest version using VSCode
Replies: 0
Views: 2968

Updating ESP-IDF to newest version using VSCode

Hello, I had previously installed esp-idf version 3.4 on linux using Get started menu from Espressif website https://docs.espressif.com/projects/esp-idf/en/latest/esp32/get-started/linux-macos-setup.html#get-started-prerequisites Now I upgraded to the newest version of esp-idf: version 4.4. But when...
by enthusiastSR
Fri Mar 11, 2022 8:06 am
Forum: ESP-IDF
Topic: i80_controller example help
Replies: 2
Views: 2561

Re: i80_controller example help

Thank you very much ESP_morris.

I was trying to add lvgl explicitly since the compiler couldn't find the path earlier. Now I know how component manager works.
by enthusiastSR
Wed Mar 09, 2022 1:58 pm
Forum: ESP-IDF
Topic: i80_controller example help
Replies: 2
Views: 2561

i80_controller example help

Hello, First question: I am trying to build the i80_controller example, but it fails to find the "lvgl.h" header file. https://github.com/espressif/esp-idf/tree/master/examples/peripherals/lcd/i80_controller I tried integrating using CMakeLists, make and CMake, as stated in the READ ME: https://docs...
by enthusiastSR
Thu Dec 16, 2021 8:49 am
Forum: ESP-IDF
Topic: ESP IDF GPIO Interrupt
Replies: 1
Views: 5319

ESP IDF GPIO Interrupt

Hello, I am trying to configure the two GPIO pins on my custom ESP32S2 board (connected to a switch ) as interrupts. But the values I read from the pins after configurations are quiet strange. Can someone please help me to figure out whats going wrong here. Thank you [Codebox]void app_main() { //zer...
by enthusiastSR
Thu Nov 11, 2021 10:27 am
Forum: ESP-IDF
Topic: ESP32-S2 GPIO Expander
Replies: 1
Views: 1967

ESP32-S2 GPIO Expander

Hello, I am trying to interface a GPIO Expander MCP23S18 (using SPI) with my ESP32-S2. The library used is spi_slave/sender/app_main.c and driver spi_master.h from components/drivers. I don't understand what is going wrong and why it fails to work. My code is as below. Please help me with your input...
by enthusiastSR
Wed Nov 03, 2021 8:07 am
Forum: ESP-IDF
Topic: Seems to flash but does not work
Replies: 2
Views: 2035

Re: Seems to flash but does not work

Thank you ESP_Minatel. We resolved it now, something was completely screwed with my Espressif, I reinstalled it and seems to work fine now