ESP32 AT V1.1.0.0 Release Note

Documentation:
esp32_at_instruction_set_and_examples_en.pdf or
esp32_at_instruction_set_and_examples_cn.pdf.

BLE AT

Features

AT+BLESPPCFG : Sets BLE spp parameters
AT+BLESPP : Enter BLE spp mode
AT+BLESECPARAM : Set BLE encryption parameters
AT+BLEENC : Initiate BLE encryption request
AT+BLEENCRSP : Grant security request access.
AT+BLEKEYREPLY : Reply the key value to the peer device in the lagecy connection stage.
AT+BLECONFREPLY : Reply the comfirm value to the peer device in the lagecy connection stage.
AT+BLEENCDEV : Query BLE encryption device list
AT+BLEENCCLEAR : Clear BLE encryption device list

Bug fixes

• Fix bug that gatt client exception after disconnect
• Fix gatt Server did not get correct write result code
• Fix gatt cmd will not report error when disconnected
• Fix ble incorrect optional parameter checking
• Fix ble incorrect param type checking
• Fix ble read/write to char/descriptor without permission did not return error
• Fix ble Set ATTR value fail
• Fix ble 128bit uuid crash
• Fix bug that when deinit the ble, do not free gatts list
• Fix ble autoconnect in passthrough mode

Optimizations

• support char write long and add param for multi connection
• support gatts initiate disconnect from client
• support multi conn for server
• update connection param command support gatt server

WiFi AT

Features

AT+RFPOWER : Set RF TX Power
AT+CIPSSLCCONF : Config SSL client

Bug fixes

• Fix bug that UDP packet loss is serious when transparent transmission
• Fix bug that print error log when startup
• Fix bug restart problem after boot-strap
• Fix bug that reconnect to TCP server twice in passthrough mode
• Fix bug the throughput is very low when uart baudrate is 2000000
• Fix bug that ssl connection doesn't reconnect to server when disconnected
• Fix bug the current is about 77uA after deep sleep
• Fix ping repeatedly cause reboot
• Fix bug It crashes when UART baudrate and mcu mismatch
• Fix bug tcp server will be closed when connections reach max
• Fix bug that crash if the parameter number of AT command is less than esp_at_get_para_as_digit parameter number
• Fix bug that it doesnot work when configure server max connection
• Fix bug that it print CLOSED after link disconnect when in transparent transmition
• Fix bug that remote port is incorrect.
• Fix bug the type of execution command parses error
• Fix Bug that it will reboot after restarting if setting AT+SAVETRANSLINK
• Fix Bug that works bad if delayed among each character when sending command
• Fix bug it crash when smartconfig,if SSID length is 32
• Fix connected UDP display wrong IP
• Fix bug that SSL server accepts fail
• Fix bug that Print 'CONNECT' when ssl connect fail
• Set the range of AT+CWLAPOPT
• Fix bug that Print wifi status when wifi status change
• Fix bug that Sometimes AT+CIPCLOSE cannot return
• Fix bug that TCP doesn't disconnect when WiFi station disconnected
• Fix bug that the static param conning_flag was not reset after deinit
• Fix bug that WiFi reconnect after AT+CWQAP
• Fix Delay time is incorrect
• Fix Dns servers change when connecting different AP

Optimizations

• Set Default uart is flow control,and add uart query cmd
• Add AT command line terminator
• Add esp_at_custom_net_ops_regist in esp_at.h to callback some status about socket
• add query cmd for blescanparam
• Add multi-ca support for ssl client
• Add save SSID when using WPS
• Add prefix in the string by AT+CWLIF responsed
• Optimize ssl memory in AT module