Hi,
have You solved this issue? I have the same.
Regards

Hi
I added but get same results. Additionally, an error occurs E (32137) task_wdt: Task watchdog got triggered. The following tasks did not reset the watchdog in time:
Best regards

Hi,
thank You for reply.
My version is ESP-IDF v4.1-dev-474-g2e6398aff-dirty
Best regards

Any help?

Hello,
I am connected to communication line. Device is sending two frames of bytes with gap between.
I use code:

#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_system.h"
#include "esp_log.h"
#include "driver/uart.h"
#include "string.h"
#include "driver/gpio.h"

static ...

I found the solution here:
viewtopic.php?t=3751
I had to make struck like above
Result: Thank You very much.
Regards

Probably I found the solution.
Now testing.

Oh, ESP_Sprite thank You as well.

PeterR, thank You for reply.
Asking for 1 byte:

uint8_t data[1];

while (1)
{
int len = uart_read_bytes(UART_NUM_2, data, 1, 1);
uart_write_bytes(UART_NUM_2, (const char *)data, len);
}

Result:
screen8.png
Added FIFO Tresh

uart_intr_config_t uart_intr = {
.rxfifo_full_thresh = 1 ...

Thank you very much PeterR for your answer.
The upper signal is RX the lower TX as You assumed.
I can't change the baudrate, data is read from the connected device and sent alternately.
Could you please explain how to reduce latency?