ESP32 AT V1.0 Release Note
Documentation:
esp32_at_instruction_set_and_examples_en.pdf or
esp32_at_instruction_set_and_examples_cn.pdf.
BLE AT
- AT+BLEINIT : Bluetooth Low Energy (BLE) initialization
- AT+BLEADDR : Sets BLE device's address
- AT+BLENAME : Sets BLE device's name
- AT+BLESCANPARAM : Sets parameters of BLE scanning
- AT+BLESCAN : Enables BLE scanning
- AT+BLESCANRSPDATA : Sets BLE scan response
- AT+BLEADVPARAM : Sets parameters of BLE advertising
- AT+BLEADVDATA : Sets BLE advertising data
- AT+BLEADVSTART : Starts BLE advertising
- AT+BLEADVSTOP : Stops BLE advertising
- AT+BLECONN : Establishes BLE connection
- AT+BLEDISCONN : Ends BLE connection
- AT+BLEDATALEN : Sets BLE data length
- AT+BLECFGMTU : Sets BLE MTU length
- AT+BLEGATTSSRVCRE : Generic Attributes Server (GATTS) creates services
- AT+BLEGATTSSRVSTART : GATTS starts services
- AT+BLEGATTSSRV : GATTS discovers services
- AT+BLEGATTSCHAR : GATTS discovers characteristics
- AT+BLEGATTSNTFY : GATTS notifies of characteristics
- AT+BLEGATTSIND : GATTS indicates characteristics
- AT+BLEGATTSSETATTR : GATTS sets attributes
- AT+BLEGATTCPRIMSRV : Generic Attributes Client (GATTC) discovers primary services
- AT+BLEGATTCINCLSRV : GATTC discovers included services
- AT+BLEGATTCCHAR : GATTC discovers characteristics
- AT+BLEGATTCRD : GATTC reads characteristics
- AT+BLEGATTCWR : GATTC writes characteristics
System AT
Bug fixes
- Fix a bug that error log is printed when startup
- Fix restart problem after boot-strap
- Fix crash after use hardware AES driver
Optimizations
- AT+FS : fatfs is supported
- Add custom partitions table
- Rename at customize area and add command to operate partition
- Set frequency 80Mhz to reduce power consumption
- Add ESP32 AT custom partitions table
- Add firmware version in AT+GMR
- Change the configuration of UART flow control
- Enable ble in sdkconfig.defaults
- partition: Adjust partition table for ble
- Set xtal freq to be 40Mhz by default
WiFi AT
Bug fixes
- Fix a bug that fail to send UDP packet in some cases
- Fix wrong IP format
- Fix error server timeout
- Fix AT+CWQAP shows OK in ap mode
- Fix a bug that system may crash if the SSID length is 32 in smartconfig
- Fix a bug that server timeout does not work for SSL connection in some scenarios
- Fix a bug that "+IPD" is apart from data
- Fix a bug that sometimes AT+CIPCLOSE cannot return
Optimizations
- AT+CWSTARTSMART : Airkiss + ESP-TOUCH
- AT+PING : ping function
- AT+MDNS : mdns function
- AT+CIPSERVERMAXCONN : set the max connections allowed by server
- Add AT+CWMODE=0 to stop WiFi
- Add prefix in the string by AT+CWLIF responsed
- Modify the information of query server
- Support more ssl protocal version
- SSL client supports transparent transmission
- Support ssl server and add AT+CIPSERVER? command
- Optimize AT+CIUPDATE to support ssl update
- Add parameter for AT+CIUPDATE to specify ota version
- Configure six sockets by default
- Modify README of tools for AT, and provide ssl cert bin for testing
- Optimize UART-WiFi passthrough mode for autoconnection and UDP transmission
- Optimize smartconfig to save SSID and password into flash
- Optimize SSL connection.
Tools
- Add tool for PKI bin
- Add GATT service bin generation tool