ESP32_AT_V2.0.0.0 Release Note

Documentation:
esp32_at_instruction_set_and_examples_en.pdf or
esp32_at_instruction_set_and_examples_cn.pdf.

Feature

• Update ESP-IDF to version 3.3(6ccb4cf5).

Base command

• AT+SYSROLLBACK: Roll back to the previous firmware.
• AT+SYSTIMESTAMP: Set local time stamp.

Wi-Fi command

• AT+CWHOSTNAME: Configures the host name of ESP station
• AT+CWQIF: Disconnect station from the ESP softAP.
• Update command AT+CWJAP, add a parameter of listen interval

TCPIP command

• AT+CIPSTARTEX: Establishes TCP connection, UDP transmission or SSL connection by auto assigning ID.
• AT+CIPSSLCCONF: Config SSL client.
• AT+CIPRECONNINTV: Set the interval of auto-reconnecting in Wi-Fi UART passthrough mode.
• AT+CIPRECVMODE: Set socket receive Mode.
• AT+CIPRECVDATA: Get socket data in passive receive mode.
• AT+CIPRECVLEN: Get socket data length in passive receive mode.
• AT+PING: Ping packets
• AT+CIPDNS: Configures Domain Name System. The configuration will be saved in flash
• Update command AT+CIUPDATE, support SSL OTA and version parameter

BLE command

• AT+BLESETKEY: Set BLE static pair key
• AT+BLEHIDINIT: BLE HID device profile initialization
• AT+BLEHIDKB: Send BLE HID Keyboard information
• AT+BLEHIDMUS: Send BLE HID mouse information
• AT+BLEHIDCONSUMER: Send BLE HID consumer information

Classic Bluetooth command

• AT+BTINIT : Classic Bluetooth initialization
• AT+BTNAME : Sets BT device's name
• AT+BTSCANMODE : Sets BT SCAN mode
• AT+BTSTARTDISC : Start BT discovery
• AT+BTSPPINIT : Classic Bluetooth SPP profile initialization
• AT+BTSPPCONN : Establishes SPP connection
• AT+BTSPPDISCONN : Ends SPP connection
• AT+BTSPPSTART : Start Classic Bluetooth SPP profile
• AT+BTSPPSEND : Sends data to remote bt spp device
• AT+BTA2DPINIT : Classic Bluetooth A2DP profile initialization
• AT+BTA2DPCONN : Establishes A2DP connection
• AT+BTA2DPDISCONN : Ends A2DP connection
• AT+BTA2DPSRC : Set or query the audio file URL
• AT+BTA2DPCTRL : control the audio play
• AT+BTSECPARAM :Set and query the Classic Bluetooth security parameters
• AT+BTKEYREPLY :Input the Simple Pair Key
• AT+BTPINREPLY :Input the Legacy Pair PIN Code
• AT+BTSECCFM: Reply the confirm value to the peer device in the legacy connection stage
• AT+BTENCDEV : Query BT encryption device list
• AT+BTENCCLEAR : Clear BT encryption device list

MQTT command

• AT+MQTTUSERCFG : Set MQTT User Config
• AT+MQTTCONNCFG : Set configuration of MQTT Connection
• AT+MQTTCONN : Connect to MQTT Broker
• AT+MQTTPUB : Publish MQTT Data in string
• AT+MQTTPUBRAW : Publish MQTT message in binary
• AT+MQTTSUB : Subscribe to MQTT Topic
• AT+MQTTUNSUB : Unsubscribe from MQTT Topic
• AT+MQTTCLEAN : Close the MQTT Connection

HTTP command

• AT+HTTPCLIENT - Send HTTP Client Request

Bugfix

• fix: It may crash if AT command ends without '\r\n'
• fix: Sometimes it may fail to quit from UART-WiFi passthrough mode
• fix: AT+CIPSTART does not work if just enable ethernet

Optimizations

• Add "\r\n" to the end of the +IPD for that MCU distinguishes the new command easily