esp-idf-telnet-client

telnet client example for esp-idf.
You can execute remote command via telnet.
I referred to this.

Software requirement

ESP-IDF V4.4/V5.x.
ESP-IDF V5.0 is required when using ESP32-C2.
ESP-IDF V5.1 is required when using ESP32-C6.

Installation

git clone https://github.com/nopnop2002/esp-idf-telnet-client
cd esp-idf-telnet-client/
idf.py set-target {esp32/esp32s2/esp32s3/esp32c2/esp32c3/esp32c6}
idf.py menuconfig
idf.py flash monitor

Configure

You have to set this config value with menuconfig.

• CONFIG_ESP_WIFI_SSID
  SSID of your wifi.
• CONFIG_ESP_WIFI_PASSWORD
  PASSWORD of your wifi.
• CONFIG_ESP_MAXIMUM_RETRY
  Maximum number of retries when connecting to wifi.
• CONFIG_TELNET_SERVER
  Telnet Server host name or ip address.
• CONFIG_TELNET_PORT
  Telnet Server ports.
• CONFIG_TELNET_USER
  Telnet Login User name.
• CONFIG_TELNET_PASSWORD
  Telnet Login Password.

Command list

$ cat data/command.txt
#this is example list
>LANG=C
<2
>ls /tmp
<2
>uname -a
<2
>sleep 20
<25
>hogehoge
<2
#Execute exit without exit

Syntax:

#hoge   
 Comment line   
>hoge   
 Remote command   
<sec   
 Waiting time for the command to finish (seconds)   
 Wait this time and execute the next command   

STDOUT

You can see the standard output using a browser.
Unfortunately, Japanese characters are garbled.

Screen Shot

Task diagram