Esp At Versions Save

AT application for ESP32/ESP32-C2/ESP32-C3/ESP32-C6/ESP8266

v2.2.0.0_esp32

2 years ago

v2.2.0.0 [ESP32 AT]

ESP32-AT Release v2.2.0.0

Documentation for v2.2.0.0 is available at https://docs.espressif.com/projects/esp-at/en/release-v2.2.0.0_esp32/ You can download the firmwares to use them, which support OTA from espressif‘s server.

ESP32-WROOM_AT_V2.2.0.0.zip ESP32-WROVER_AT_V2.2.0.0.zip ESP32-SOLO_AT_V2.2.0.0.zip ESP32-PICO-D4_AT_V2.2.0.0.zip ESP32-MINI-1_AT_Bin_V2.2.0.0.zip

ESP32-AT v2.2.0.0 is a major update for ESP32-AT v2.1.0.0.

Changelog

This is the list of changes since release v2.1.0.0:

Breaking Changes

  • esp-idf version updated to release v4.2 (efa6eca)
  • Compiler upgraded from v5.2.0 to v8.4.0
  • AT+CIPDOMAIN: Double quotation marks are added to the string parameters in the response
  • AT+BLESCAN: Double quotation marks are added to the mac address parameter in the response
  • AT commands supports IPv6 network now

Known Issue

  • Before start the softAP, AT+DHCP=0,2 command cannot disable DHCP (please disable DHCP after the softAP started)
  • It may fail to create BT connection again after BT disconnect

1. Feature

1.1 Wi-Fi

  • AT+CWRECONNCFG: Support to configure Wi-Fi reconnect interval and maximum retry times
  • AT+CWLAPOPT: Support to filter the scanned result by rssi and authmode
  • AT+CWJAP: Limit the range of listen interval to [1, 100]
  • AT+WPS: Support authmode floor configuration
  • AT+CWSMARTSTART: Support authmode floor configuration
  • AT+CWLAP: Support the information of 802.11 b/g/n in the response
  • AT+CWJAP: Support to configure timeout and pmf, and connect the last recorded AP
  • AT+CWSTATE: New Command to query Wi-Fi state

1.2 TCP/IP

  • AT+SYSMSG: Extended BIT2 parameter for passthrough mode
  • AT+CIUPDATE: Support to upgrade custom partitions and asynchronous OTA
  • AT+PING: Added an error message TIMEOUT for incorrect DNS
  • Modified tcp mss and wnd to improve compatibility
    • Modified tcp wnd, from 5744 to 5760
    • Modified tcp snd buf, from 5744 to 5760
  • Disabled setting AT+CIPSSLCCN, AT+CIPSSLCSNI, AT+CIPSSLCALPN, AT+CIPSSLCPSK if the link is already connected
  • AT+CIPSERVER: Added close_all_clients parameter to close all connections with the server created by AT+CIPSERVER
  • The following AT commands supports IPv6 since v2.2.0.0
    • AT+CIPV6
    • AT+CIPSTATUS
    • AT+CIPDOMAIN
    • AT+CIPSTART
    • AT+CIPSTARTEX
    • AT+CIPSERVER
    • AT+SAVETRANSLINK
    • AT+PING
    • AT+CIPDNS
    • AT+CIPSTA
    • AT+CIPAP
    • AT+CIFSR

1.3 Application Layer

  • AT+CIPSNTPCFG: Support to configure half timezone offset
  • AT+MQTTCONNCFG, AT+MQTTPUB, AT+MQTTPUBRAW, AT+MQTTPUB, AT+MQTTUNSUB command supports 128 bytes topic
  • AT+WEBSERVER: New command to support Wi-Fi provisioning via SoftAP and Captive Portal
  • AT+HTTPCLIENT: Support chunked data
  • AT+HTTPCLIENT: content-type parameter can be omitted now
  • AT+HTTPCPOST: New command to support long data post
  • Added qcloud support

1.4 System

  • AT+CMD: New command to query the supported AT commands list
  • AT+USERRAM: New command to alloc ram for host mcu to use it
  • AT+SYSREG: New command to read and write registers
  • AT+SYSRAM: Support to query the minimum heap size
  • AT+GMR: Added chip platform information in the response
  • Added ESP32-D2WD, ESP32-MINI-1 module support

1.5 Driver

Added the following new commands:

  • AT+DRVADC: Read ADC channel value
  • AT+DRVPWMINIT: Initialize PWM driver
  • AT+DRVPWMDUTY: Set PWM duty
  • AT+DRVPWMFADE: Set PWM fade
  • AT+DRVI2CINIT: Initialize I2C master driver
  • AT+DRVI2CRD: Read I2C data
  • AT+DRVI2CWRDATA: Write I2C data
  • AT+DRVI2CWRBYTES: Write no more than 4 bytes I2C data
  • AT+DRVSPICONFGPIO: Configure SPI GPIO
  • AT+DRVSPIINIT: Initialize SPI master driver
  • AT+DRVSPIRD: Read SPI data
  • AT+DRVSPIWR: Write SPI data

1.6 Bluetooth

  • AT+BTPOWER: Support to set BT tx power
  • AT+BLUFI: Support authmode floor configuration
  • AT+SYSMSG: Extended BIT2 parameter to support BLE and BT SPP messages
  • GATT Server supports service discovery
  • GATT client supports to create a local service
  • BLE supports to send long length packets of notify and indicate

2. Bugfix

2.1 Wi-Fi

  • Fixed AT+CWLAP issues
    • Fixed AT+CWLAP returned ERROR when total active scan time was more than 15 seconds
    • Fixed AT+CWLAP did not return ap in the response sometimes
    • Fixed AT+CWLAP blocked more the 10 seconds sometimes
    • Fixed AT+CWLAP rssi filter parameter could not work sometimes
    • Fixed AT+CWLAP could not scan valid ap by ssid and bssid
  • Fixed the issue that AT+CWMODE=1,1 could not auto-connect to AP when Wi-Fi mode switched from WIFI_MODE_NULL
  • Fixed the issue that AT+CWJAP may return the wrong error number
  • Fixed AT+WPS failed on multiple ap credentials case
  • Fixed AT+CIPSTA/AT+CIPAP could set the wrong IP address due to the lack of rigorous address check

2.2 TCP/IP

  • Fixed wrong state of AT+CIPSTATUS command
  • Fixed data error in passthrough mode with 2Mbps baud rate
  • Fixed AT+CIPRECONNINTV did not work immediately
  • Fixed that the received data was incomplete if the data was too large in softAP mode
  • Fixed AT+CIPSENDEX data was truncated in advance
  • Fixed AT+CIPSEND returned ERROR sometimes
  • Fixed crash when link id < 0
  • Fixed AT+CIPMUX=0 set error when all connections closed
  • Fixed SSL link may not disconnect when IP address changed
  • Fixed potential blocking when hardware flow control enabled
  • Fixed an issue of mistakenly printing "CLOSED" or "+LINK_CONN"
  • Fixed tcp server could not work again if the link closed and opened repeatedly
  • Fixed AT+SAVETRANSLINK could not work sometimes
  • Fixed AT+CIPSERVER could set mode to 2
  • Fixed AT+CIPSTART SSL connect failed if disabled ALPN by AT+CIPSSLCALPN=1,0
  • Fixed tcp send data lost in passthrough mode
  • Fixed AT+CIUPDATE failed over SSL if the version parameter was specified

2.3 Application Layer

  • Fixed AT+MQTTCONN returned ERROR when checking common name
  • Fixed AT+MQTTUSERCFG? crash after MQTT connected
  • Fixed AT+CIPSSLCALPN query command caused to reboot due to memory coverage
  • Fixed AT+MQTTCONN may cause wdt reset when input some special hostname
  • Fixed the issue that AT+HTTPCLIENT url failed to be omitted

2.4 System

  • Fixed compile error if disable BT and BLE
  • Fixed compile error when only use BluFi
  • Fixed AT+GSLP did not return OK sometimes
  • Fixed AT+GSLP may return ERROR when setting a long deep sleep time
  • Fixed AT+GSLP crash on PICO-D4 module
  • Fixed wrong uart pins disabled before deep-sleep
  • Fixed AT+SLEEPWKCFG did not check GPIO configuration issue
  • Fixed the crash when sending command with one redundant character "" before "\r\n"
  • Fixed AT+SLEEP=2 returned OK in softap mode
  • Fixed AT+SLEEP=0 cause to crash
  • Fixed silence firmware crash sometimes
  • Fixed build fail when disable customized partition
  • Fixed sdio read data error when length bigger than sdio list
  • Fixed light sleep could not be woken up by GPIO due to DFS

2.5 Bluetooth

  • Fixed the failure to re-enter GATT server SPP mode
  • Fixed the failure to write characteristic value
  • Fixed that BLE connection timeout resulted in no new connection being created
  • Fixed that BT default device name was empty
  • Fixed that BT failed to output scan results sometimes
  • Fixed the failure to exit the BT SPP mode even after disconnection
  • Fixed that some MAC address information was missing quotes
  • Fixed that BT device name overlength issue
  • Fixed that BT & BLE deinit failed
  • Fixed that classic BT could not discover some device names
  • Fixed the failure to init BLE parameters: BLE device name, BLE advertising parameters, BLE scan parameters and response, and BLE connection parameters
  • Fixed the incorrect message of AT+BTSTARTDISC
  • Fixed the crash caused by deiniting A2DP profile
  • Fixed the failure to detect incorrect BLE address type
  • Added the message for A2DP connection failure
  • Fixed the blufi name overlength issue
  • Fixed the crash caused by multi-connection
  • Fixed the crash caused by BLE connection failure
  • Fixed the crash caused by disabling modem sleep
  • Fixed the crash caused by deiniting BLE stack

3. Optimization

  • Added build.py script to simplify the compilation process and supported windows OS compilation
  • Refactored application directory
  • Removed deprecated GNU make
  • Removed cmake warnings
  • Supported spi & sdio example cmake
  • Removed at_http_webserver example

v2.2.0.0_esp32c3

2 years ago

ESP32-C3 AT Release v2.2.0.0

Documentation for Release v2.2.0.0 is available at https://docs.espressif.com/projects/esp-at/en/release-v2.2.0.0_esp32c3/

ESP32-C3-MINI-1_AT_Bin_V2.2.0.0.zip

ESP32-C3 AT v2.2.0.0 is the first released firmware for ESP32-C3.

Known Issue

  • AT command port will print several extra characters when the chip is restarted (affected commands: AT+RST, AT+RESTORE, AT+CIUPDATE)
  • The set value of AT+RFPOWER command is inconsistent with the query value, when the value is greater than 80

Feature

Basic AT Commands

  • AT: Test AT startup.
  • AT+RST: Restart a module.
  • AT+GMR: Check version information.
  • AT+CMD: List all AT commands and types supported in current firmware.
  • AT+GSLP: Enter Deep-sleep mode.
  • ATE: Configure AT commands echoing.
  • AT+RESTORE: Restore factory default settings of the module.
  • AT+UART_CUR: Current UART configuration, not saved in flash.
  • AT+UART_DEF: Default UART configuration, saved in flash.
  • AT+SLEEP: Set the sleep mode.
  • AT+SYSRAM: Query current remaining heap size and minimum heap size.
  • AT+SYSMSG: Query/Set System Prompt Information.
  • AT+USERRAM: Operate user’s free RAM.
  • AT+SYSFLASH: Query/Set User Partitions in Flash.
  • AT+FS: Filesystem Operations.
  • AT+RFPOWER: Query/Set RF TX Power.
  • AT+SYSROLLBACK: Roll back to the previous firmware.
  • AT+SYSTIMESTAMP: Query/Set local time stamp.
  • AT+SYSLOG: Enable or disable the AT error code prompt.
  • AT+SLEEPWKCFG: Query/Set the light-sleep wakeup source and awake GPIO.
  • AT+SYSSTORE: Query/Set parameter store mode.
  • AT+SYSREG: Read/write the register.

Wi-Fi AT Commands

  • AT+CWMODE: Set the Wi-Fi mode (Station/SoftAP/Station+SoftAP).
  • AT+CWSTATE: Query the Wi-Fi state and Wi-Fi information.
  • AT+CWJAP: Connect to an AP.
  • AT+CWRECONNCFG: Query/Set the Wi-Fi reconnecting configuration.
  • AT+CWLAPOPT: Set the configuration for the command AT+CWLAP.
  • AT+CWLAP: List available APs.
  • AT+CWQAP: Disconnect from an AP.
  • AT+CWSAP: Query/Set the configuration of an ESP SoftAP.
  • AT+CWLIF: Obtain IP address of the station that connects to an ESP SoftAP.
  • AT+CWQIF: Disconnect stations from an ESP SoftAP.
  • AT+CWDHCP: Enable/disable DHCP.
  • AT+CWDHCPS: Query/Set the IP addresses allocated by an ESP SoftAP DHCP server.
  • AT+CWAUTOCONN: Connect to an AP automatically when powered on.
  • AT+CWAPPROTO: Query/Set the 802.11 b/g/n protocol standard of SoftAP mode.
  • AT+CWSTAPROTO: Query/Set the 802.11 b/g/n protocol standard of station mode.
  • AT+CIPSTAMAC: Query/Set the MAC address of an ESP station.
  • AT+CIPAPMAC: Query/Set the MAC address of an ESP SoftAP.
  • AT+CIPSTA: Query/Set the IP address of an ESP station.
  • AT+CIPAP: Query/Set the IP address of an ESP SoftAP.
  • AT+CWSTARTSMART: Start SmartConfig.
  • AT+CWSTOPSMART: Stop SmartConfig.
  • AT+WPS: Enable the WPS function.
  • AT+MDNS: Configure the mDNS function.
  • AT+CWJEAP: Connect to a WPA2 Enterprise AP.
  • AT+CWHOSTNAME: Query/Set the host name of an ESP station.
  • AT+CWCOUNTRY: Query/Set the Wi-Fi Country Code.

TCP/IP AT Commands

  • AT+CIPV6: Enable/disable the network of Internet Protocol Version 6 (IPv6).
  • AT+CIPSTATUS: Obtain the TCP/UDP/SSL connection status and information.
  • AT+CIPDOMAIN: Resolve a Domain Name.
  • AT+CIPSTART: Establish TCP connection, UDP transmission, or SSL connection.
  • AT+CIPSTARTEX: Establish TCP connection, UDP transmission, or SSL connection with an automatically assigned ID.
  • [Passthrough Mode Only] +++: Exit the passthrough mode.
  • AT+CIPSEND: Send data in the normal transmission mode or Wi-Fi passthrough mode.
  • AT+CIPSENDEX: Send data in the normal transmission mode in expanded ways.
  • AT+CIPCLOSE: Close TCP/UDP/SSL connection.
  • AT+CIFSR: Obtain the local IP address and MAC address.
  • AT+CIPMUX: Enable/disable the multiple connections mode.
  • AT+CIPSERVER: Delete/create a TCP/SSL server.
  • AT+CIPSERVERMAXCONN: Query/Set the maximum connections allowed by a server.
  • AT+CIPMODE: Query/Set the transmission mode.
  • AT+SAVETRANSLINK: Set whether to enter Wi-Fi passthrough mode on power-up.
  • AT+CIPSTO: Query/Set the local TCP Server Timeout.
  • AT+CIPSNTPCFG: Query/Set the time zone and SNTP server.
  • AT+CIPSNTPTIME: Query the SNTP time.
  • AT+CIUPDATE: Upgrade the firmware through Wi-Fi.
  • AT+CIPDINFO: Set “+IPD” message mode.
  • AT+CIPSSLCCONF: Query/Set SSL clients.
  • AT+CIPSSLCCN: Query/Set the Common Name of the SSL client.
  • AT+CIPSSLCSNI: Query/Set SSL client Server Name Indication (SNI).
  • AT+CIPSSLCALPN: Query/Set SSL client Application Layer Protocol Negotiation (ALPN).
  • AT+CIPSSLCPSK: Query/Set SSL client Pre-shared Key (PSK).
  • AT+CIPRECONNINTV: Query/Set the TCP/UDP/SSL reconnection interval for the Wi-Fi passthrough mode.
  • AT+CIPRECVMODE: Query/Set socket receiving mode.
  • AT+CIPRECVDATA: Obtain socket data in passive receiving mode.
  • AT+CIPRECVLEN: Obtain socket data length in passive receiving mode.
  • AT+PING: Ping the remote host.
  • AT+CIPDNS: Query/Set DNS server information.
  • AT+CIPTCPOPT: Query/Set the socket options.

MQTT AT Commands

  • AT+MQTTUSERCFG: Set MQTT user configuration
  • AT+MQTTCLIENTID: Set MQTT client ID
  • AT+MQTTUSERNAME: Set MQTT username
  • AT+MQTTPASSWORD: Set MQTT password
  • AT+MQTTCONNCFG: Set configuration of MQTT connection
  • AT+MQTTCONN: Connect to MQTT Brokers
  • AT+MQTTPUB: Publish MQTT Messages in string
  • AT+MQTTPUBRAW: Publish MQTT messages in binary
  • AT+MQTTSUB: Subscribe to MQTT topics
  • AT+MQTTUNSUB: Unsubscribe from MQTT topics
  • AT+MQTTCLEAN: Close MQTT connections

HTTP AT Commands

  • AT+HTTPCLIENT: Send HTTP Client Request
  • AT+HTTPGETSIZE: Get HTTP Resource Size
  • AT+HTTPCPOST: Post HTTP data of specified length

Web server AT Commands

  • AT+WEBSERVER: Enable/disable Wi-Fi connection configuration via web server.

Driver AT Commands

  • AT+DRVADC: Read ADC channel value.
  • AT+DRVPWMINIT: Initialize PWM driver.
  • AT+DRVPWMDUTY: Set PWM duty.
  • AT+DRVPWMFADE: Set PWM fade.
  • AT+DRVI2CINIT: Initialize I2C master driver.
  • AT+DRVI2CRD: Read I2C data.
  • AT+DRVI2CWRDATA: Write I2C data.
  • AT+DRVI2CWRBYTES: Write no more than 4 bytes I2C data.
  • AT+DRVSPICONFGPIO: Configure SPI GPIO.
  • AT+DRVSPIINIT: Initialize SPI master driver.
  • AT+DRVSPIRD: Read SPI data.
  • AT+DRVSPIWR: Write SPI data.

v2.2.0.0_esp8266

2 years ago

ESP8266-AT Release v2.2.0.0

Documentation for v2.2.0.0 is available at https://docs.espressif.com/projects/esp-at/en/release-v2.2.0.0_esp8266/ You can download the firmwares to use them, which support OTA from espressif‘s server.

ESP8266-IDF-AT_V2.2.0.0.zip

ESP8266-AT v2.2.0.0 is a major update for ESP8266-AT v2.1.0.0.

Changelog

This is the list of changes since release v2.1.0.0:

Breaking Changes

  • ESP8266_RTOS_SDK version updated to release v3.4 (967752e)
  • Compiler upgraded from v5.2.0 to v8.4.0
  • AT+CIPDOMAIN: Double quotation marks are added to the string parameters in the response
  • Added WROOM-02-N, WROOM-S2, WROOM_5V2L, ESP8266_1MB module support
  • AT commands supports IPv6 network now
  • ESP8266 SPI AT does not support any more (ESP32-C3 recommended)
  • AT+CWJAP command cannot connect to the open AP any more when given non-null password parameter

Known Issue

  • AT+CWJAP: listen_interval parameter is wrong in the query command response

1. Feature

1.1 Wi-Fi

  • AT+CWRECONNCFG: Support to configure Wi-Fi reconnect interval and maximum retry times
  • AT+CWLAPOPT: Support to filter the scanned result by rssi and authmode
  • AT+CWJAP: Limit the range of listen interval to [1, 100]
  • AT+WPS: Support authmode floor configuration
  • AT+CWSMARTSTART: Support authmode floor configuration
  • AT+CWLAP: Support the information of 802.11 b/g/n in the response
  • AT+CWJAP: Support to configure timeout and pmf, and connect the last recorded AP
  • AT+CWSTATE: New Command to query Wi-Fi state

1.2 TCP/IP

  • AT+SYSMSG: Extended BIT2 parameter for passthrough mode

  • AT+CIUPDATE: Support to upgrade custom partitions and asynchronous OTA

  • AT+PING: Added an error message TIMEOUT for incorrect DNS

  • Modified tcp mss and wnd to improve compatibility

    • Modified tcp mss, from 1460 to 1440
    • Modified tcp wnd, from 5840 to 5760
    • Modified tcp snd buf, from 2920 to 2880

  • Replaced wolfSSL with mbedTLS in SSL connection

  • Disabled setting AT+CIPSSLCCN, AT+CIPSSLCSNI, AT+CIPSSLCALPN, AT+CIPSSLCPSK if the link is already connected

  • AT+CIPSERVER: Added close_all_clients parameter to close all connectiones which connected the server created by AT+CIPSERVER

  • The following AT commands supports IPv6 since v2.2.0.0

    • AT+CIPV6
    • AT+CIPSTATUS
    • AT+CIPDOMAIN
    • AT+CIPSTART
    • AT+CIPSTARTEX
    • AT+CIPSERVER
    • AT+SAVETRANSLINK
    • AT+PING
    • AT+CIPDNS
    • AT+CIPSTA
    • AT+CIPAP
    • AT+CIFSR

1.3 Application Layer

  • AT+CIPSNTPCFG: Support to configure half timezone offset
  • AT+MQTTCONNCFG, AT+MQTTPUB, AT+MQTTPUBRAW, AT+MQTTPUB, AT+MQTTUNSUB command supports 128 bytes topic
  • AT+WEBSERVER: New command to support Wi-Fi provisioning via SoftAP and Captive Portal
  • AT+HTTPCLIENT: Support chunked data
  • AT+HTTPCPOST: New command to support long data post

1.4 System

  • AT+CMD: New command to query the supported AT commands list
  • AT+USERRAM: New command to alloc ram for host mcu to use it
  • AT+SYSREG: New command to read and write registers
  • AT+SYSRAM: Support to query the minimum heap size
  • AT+GMR: Added chip platform information in the response

2. Bugfix

2.1 Wi-Fi

  • Fixed AT+CWLAP issues
    • Fixed AT+CWLAP returned ERROR when total active scan time is more than 15 seconds
    • Fixed AT+CWLAP did not return ap in the response sometimes
    • Fixed AT+CWLAP blocked more the 10 seconds sometimes
    • Fixed AT+CWLAP rssi filter parameter could not work sometimes
    • Fixed AT+CWLAP could not scan valid ap by ssid and bssid
  • Fixed the issue that AT+CWMODE=1,1 could not auto-connect to AP when Wi-Fi mode switched from WIFI_MODE_NULL
  • Fixed the issue that AT+CWJAP may return wrong error number
  • Fixed AT+WPS failed on multiple ap credentials case
  • Fixed AT+CIPSTA/AT+CIPAP could set wrong IP address due to the lack of rigorous address check

2.2 TCP/IP

  • Fixed wrong state of AT+CIPSTATUS command
  • Fixed data error in passthrough mode with 2Mbps baud rate
  • Fixed AT+CIPRECONNINTV did not work immediately
  • Fixed that the received data was incomplete if the data was too large in softAP mode
  • Fixed AT+CIPSENDEX data was truncated in advance
  • Fixed AT+CIPSEND returned ERROR sometimes
  • Fixed crash when link id < 0
  • Fixed AT+CIPMUX=0 set error when all connections closed
  • Fixed SSL link may not disconnect when IP address changed
  • Fixed potential blocking when hardware flow control enabled
  • Fixed an issue of mistakenly printing "CLOSED" or "+LINK_CONN"
  • Fixed tcp server could not work again if the link closed and opened repeatedly
  • Fixed AT+SAVETRANSLINK could not work sometimes
  • Fixed AT+CIPSERVER could set mode to 2
  • Fixed AT+CIPSTART SSL connect failed if disabled ALPN by AT+CIPSSLCALPN=1,0
  • Fixed tcp send data lost in passthrough mode

2.3 Application Layer

  • Fixed AT+MQTTCONN returned ERROR when checking common name
  • Fixed AT+MQTTUSERCFG? crash after MQTT connected
  • Fixed AT+CIPSSLCALPN query command caused to reboot due to memory coverage
  • Fixed AT+MQTTCONN may cause wdt reset when input some special hostname
  • Fixed the issue that AT+HTTPCLIENT url failed to be omitted

2.4 System

  • Fixed AT+GSLP did not return OK sometimes
  • Fixed AT+GSLP may return ERROR when setting a long deep sleep time
  • Fixed wrong uart pins disabled before deep-sleep
  • Fixed AT+SLEEPWKCFG did not check GPIO configuration issue
  • Fixed the crash when sending command with one redundant character "" before "\r\n"
  • Fixed AT+SLEEP=2 returned OK in softap mode
  • Fixed silence firmware crash sometimes
  • Fixed build fail when disable customized partition
  • Fixed sdio read data error when length bigger than sdio list

3. Optimization

  • Added build.py script to simplify the compilation process and supported windows OS compilation
  • Refactored application directory
  • Removed deprecated GNU make
  • Supported spi & sdio example cmake
  • Removed at_http_webserver example

v2.1.0.0_esp32s2

3 years ago

ESP32S2-AT v2.1.0.0 Release Notes

Documentation for Release v2.1.0.0 is available at https://docs.espressif.com/projects/esp-at/en/release-v2.1.0.0_esp32s2/ ESP32-S2-WROOM_AT_Bin_V2.1.0.0.zip ESP32-S2-WROVER_AT_Bin_V2.1.0.0.zip ESP32-S2-SOLO_AT_Bin_V2.1.0.0.zip ESP32-S2-MINI_AT_Bin_V2.1.0.0.zip

ESP32S2-AT v2.1.0.0 is the first released firmware for ESP32S2.

Feature

Basic AT Commands

  • AT : Tests AT startup.
  • AT+RST : Restarts a module.
  • AT+GMR : Checks version information.
  • ATE : Configures echoing of AT commands.
  • AT+RESTORE : Restores the factory default settings of the module.
  • AT+UART_CUR : Current UART configuration.
  • AT+UART_DEF : Default UART configuration, saved in flash.
  • AT+SYSRAM : Checks current remaining heap size and minimum heap size.
  • AT+SYSMSG : Set message format.
  • AT+RFPOWER : Set RF TX Power.
  • AT+SYSFLASH : Set User Partitions in Flash.
  • AT+SYSROLLBACK : Roll back to the previous firmware.
  • AT+SYSTIMESTAMP: Set local time stamp.
  • AT+SYSLOG : Enable or disable the AT error code prompt.
  • AT+SYSSTORE : Config parameter store mode.

Wi-Fi AT Commands

  • AT+CWMODE : Sets the Wi-Fi mode (STA/AP/STA+AP).
  • AT+CWJAP : Connects to an AP.
  • AT+CWLAPOPT : Sets the configuration of command AT+CWLAP.
  • AT+CWLAP : Lists available APs.
  • AT+CWQAP : Disconnects from the AP.
  • AT+CWSAP : Sets the configuration of the ESP SoftAP.
  • AT+CWLIF : Gets the Station IP to which the ESP SoftAP is connected.
  • AT+CWQIF : Disconnect Station from the ESP SoftAP.
  • AT+CWDHCP : Enables/disables DHCP.
  • AT+CWDHCPS : Sets the IP range of the ESP SoftAP DHCP server.
  • AT+CWAUTOCONN : Connects to the AP automatically on power-up.
  • AT+CWAPPROTO : Sets the 802.11 b/g/n protocol standard of SoftAP mode.
  • AT+CWSTAPROTO : Sets the 802.11 b/g/n protocol standard of station mode.
  • AT+CIPSTAMAC : Sets the MAC address of ESP Station.
  • AT+CIPAPMAC : Sets the MAC address of ESP SoftAP.
  • AT+CIPSTA : Sets the IP address of ESP Station.
  • AT+CIPAP : Sets the IP address of ESP SoftAP.
  • AT+CWSTARTSMART : Starts SmartConfig.
  • AT+CWSTOPSMART : Stops SmartConfig.
  • AT+WPS : Enables the WPS function.
  • AT+MDNS : Configurates the MDNS function
  • AT+CWHOSTNAME : Configures the Name of ESP Station
  • AT+CWCOUNTRY : Configures the Wi-Fi Country Code

TCP/IP AT Commands

  • AT+CIPSTATUS : Gets the connection status.
  • AT+CIPDOMAIN : Domain Name Resolution Function.
  • AT+CIPSTART : Establishes TCP connection, UDP transmission or SSL connection.
  • AT+CIPSTARTEX : Establishes TCP connection, UDP transmission or SSL connection with automatically assigned ID.
  • AT+CIPSEND : Sends data.
  • AT+CIPSENDEX : Sends data when length of data is , or when \0 appears in the data.
  • AT+CIPCLOSE : Closes TCP/UDP/SSL connection.
  • AT+CIFSR : Gets the local IP address.
  • AT+CIPMUX : Configures the multiple connections mode.
  • AT+CIPSERVER : Deletes/Creates TCP or SSL server.
  • AT+CIPSERVERMAXCONN : Set the Maximum Connections Allowed by Server.
  • AT+CIPMODE : Configures the transmission mode.
  • AT+SAVETRANSLINK : Saves the transparent transmission link in flash.
  • AT+CIPSTO : Sets timeout when ESP32 runs as a TCP server.
  • AT+CIPSNTPCFG : Configures the time domain and SNTP server.
  • AT+CIPSNTPTIME : Queries the SNTP time.
  • AT+CIUPDATE : Updates the software through Wi-Fi.
  • AT+CIPDINFO : Shows remote IP and remote port with +IPD.
  • AT+CIPSSLCCONF : Config SSL client.
  • AT+CIPRECONNINTV: Set Wi-Fi transparent transmitting auto-connect interval.
  • 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.
  • AT+CIPTCPOPT : Configurates the socket options.

MQTT AT Commands

  • AT+MQTTUSERCFG : Set MQTT User Config
  • AT+MQTTCLIENTID : Set MQTT Client ID
  • AT+MQTTUSERNAME : Set MQTT Username
  • AT+MQTTPASSWORD : Set MQTT Password
  • 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 AT Commands

  • AT+HTTPCLIENT - Send HTTP Client Request
  • AT+HTTPGETSIZE - Get HTTP Resource Size

v2.1.0.0_esp32

3 years ago

ESP32-AT Release v2.1.0.0

Documentation for Release v2.1.0.0 is available at https://docs.espressif.com/projects/esp-at/en/release-v2.1.0.0_esp32/ You can download the firmwares to try them, which support OTA from espressif‘s server.

ESP32-WROOM-32_AT_Bin_V2.1.0.0.zip ESP32-WROVER_AT_Bin_V2.1.0.0.zip ESP32-PICO-D4_AT_Bin_V2.1.0.0.zip ESP32-SOLO_AT_Bin_V2.1.0.0.zip

ESP32-AT v2.1.0.0 is a major update for ESP32-AT v2.0.0.0.

This is the list of changes since ESP32-AT Release v2.0.0.0.

SDK Update and Known issue

  • Wakeup fail from light sleep

1.Feature

  • esp-idf version update to release v4.0(e7ac221b)

1.1 WiFi

  • AT+CWCOUNTRY: configurate and query the WiFi country code
  • AT+CWSTAPROTO: set and query the 802.11 b/g/n protocol standard of station mode
  • AT+CWAPPROTO: set and query the 802.11 b/g/n protocol standard of SoftAP mode
  • Support automatically connect to AP in the command AT+CWMODE after changed to station mode
  • Support scan mode configuration in the command AT+CWJAP

1.2 TCP/IP

  • AT+CIPTCPOPT: configurate and query the TCP socket options, include SO_LINGER, TCP_NODELAY, SO_SNDTIMEO options
  • Support multicast address in the command AT+CIPSTART

1.3 TLS

  • AT+CIPSSLCCN: configurate and query SSL client common name(CN)
  • AT+CIPSSLCSNI: configurate and query SSL client server name indication(SNI)
  • AT+CIPSSLCALPN: configurate and query SSL client application layer protocol negotiation(ALPN)
  • AT+CIPSSLCPSK: configurate and query SSL client pre-shared key(PSK)

1.4 BT & BLE

  • Enable BLE HID commands by default
  • AT+BTCOD: Configure class of BT device
  • AT+BLUFI: start and stop BLUFI function(configure Wi-Fi information by ble)
  • AT+BLEADVDATAEX: set BLE advertising data automatically
  • Add AT+BTSCANMODE query command: query BT scan mode
  • Add AT+BLEGATTSSRVCRE multiple services
  • Support scan filter in the command AT+BLESCAN
  • Support discoverable but not connectable mode in the command AT+BTSCANMODE
  • Support retransmission for BT SPP
  • Support some BT and BLE parameters store to flash
  • Support BLE connection callback for user to customize it

1.5 MQTT

  • Enable MQTT commands by default
  • AT+MQTTCLIENTID: set and query MQTT client ID
  • AT+MQTTUSERNMAE: set and query MQTT username
  • AT+MQTTPASSWORD: set and query MQTT password
  • Add AT+MQTTUSERCFG query command
  • Add AT+MQTTCONNCFG query command
  • Add AT+MQTTUSERNAME query command
  • Add AT+MQTTCLIENDID query command
  • Add AT+MQTTPASSWORD query command
  • Add MQTT authentication method configuration in menuconfig

1.6 HTTP

  • Enable HTTP commands by default
  • AT+HTTPGETSIZE: get HTTP resource size
  • Support custom request headers in the command AT+HTTPCLIENT

1.7 System

  • AT+SLEEPWKCFG: configurate the light-sleep wakeup source and awake GPIO
  • AT+SYSSTORE: control if store parameter into flash
  • Separate WPS, PING, SmartConfig and MDNS commands in menuconfig
  • Support cmake to compile esp-at project
  • OTA use esp-tls instead of openSSL
  • Add uart port configuration in the factory parameter binary
  • change factory parameter version to v2

1.8 Example

  • Add STM32 example for SDIO SPI AT
  • Add STM32 SDIO host example

2. Bugfix

2.1 WiFi

  • Fix AT+RFPOWER set failed when disable WiFi command
  • Fix AT+CWLAP scan fail when WiFi is connecting
  • Fix missing WiFi status information if AT+CIPMODE=1
  • Fix WiFi state is error after AT+CWJAP failed
  • Fix AT+CIPRECONNINTV set range [1, 36000]

2.3 UART

  • Fix UART parity configuration error

2.4 BT & BLE

  • Fix crash if the notification value of ble is too long
  • Fix BLE service discovery works bad in multiple connections status
  • Fix crash when re-create BLE services
  • Fix re-enter BLE SPP fail
  • Fix AT+BLESCAN=2 return OK
  • Fix hid init fail
  • Fix the data is lost when in BLE SPP
  • Fix exit from bluetooth throughput mode failed
  • Fix gatt server re-enter spp mode fail
  • Fix write characteristic value fail
  • Fix exit automatically reconnect status fail after terminating BLE spp mode
  • Fix establish a new connection fail after ble connection timeout
  • Fix BT default device name is empty
  • Fix BT scan result is out of order
  • Fix BT SPP exit throughput mode fail after disconnection
  • Fix some MAC address informations is missing quotes

2.5 MQTT

  • Fix crash when running AT+MQTTCONN?
  • Fix crash when running AT+MQTTPUB if the data is too long
  • Fix block when running AT+MQTTPUB
  • Fix crash when MQTT is disconnected
  • Fix MQTT can not automatically reconnect
  • Fix crash when running AT+MQTTPUBRAW if the topic length is too long
  • Fix the length of the topic is error if the received MQTT data is too large
  • Fix AT+MQTTPUB failed when WiFi is reconnected
  • Fix the length of the data for AT+MQTTPUBRAW is limited
  • Fix the state responded by AT+MQTTCONN? is error when WiFi is reconnected
  • Fix AT+MQTTCONN fails when MQTT close and re-build the link
  • Fix crash when running AT+MQTTCONNCFG if mqtt is disconnected
  • Fix crash when mqtt is established if Wi-Fi is reconnected

2.6 HTTP

  • Fix print the data downloaded by HTTP error
  • Fix check if http transport type is valid in the command AT+HTTPCLIENT
  • Fix crash if some URL is special in the command AT+HTTPCLIENT

2.7 System

  • Fix busy sometimes after AT+CIPSEND returned OK
  • Fix incorrect information in the factory_parameter.log if module name not defined
  • Fix AT command end with CR responses OK
  • Fix missing "+QUIT" when quit transmission mode if AT+SYSMSG=1
  • Fix AT+CIPSTATUS state unmatched when WiFi disconnected
  • Fix AT+SYSMSG parameter check

2.8 DNS

  • Fix the last DNS configuration is error when running AT+CIPDNS

2.9 PING

  • Fix it returns ERROR when running AT+PING

Optimizations

  • Optimize sockets process workflow
  • Optimize AT+CIPSTATUS command process
  • Optimize transmit terminal process
  • check the default max tx power validity

v2.1.0.0_esp8266

3 years ago

ESP8266-AT Release v2.1.0.0

Documentation for Release v2.1.0.0 is available at https://docs.espressif.com/projects/esp-at/en/release-v2.1.0.0_esp8266/

You can download the firmwares to try them, which support OTA from espressif‘s server.

ESP8266-IDF-AT_V2.1.0.0.zip

ESP8266-AT v2.1.0.0 is a major update for ESP8266-AT v2.0.0.0.

This is the list of changes since ESP8266-AT Release v2.0.0.0.

SDK Update and Known issue

  • ESP8266_RTOS_SDK version update to release v3.3(b6e861a).

1. New Feature & Change List

1.1 Wi-Fi

  • AT+CWCOUNTRY: set and query the Wi-Fi country code.
  • AT+CWSTAPROTO: set and query the 802.11 b/g/n protocol standard of station mode.
  • AT+CWAPPROTO: set and query the 802.11 b/g/n protocol standard of SoftAP mode.
  • AT+FACTPLCP: send with long or short PLCP.
  • Support scan mode configuration in the command AT+CWJAP.
  • Support automatically connect to the previous AP when station mode is enabled again by AT+CWMODE.

1.2 TCP/IP

  • AT+CIPTCPOPT: set and query TCP socket options.
  • AT+CIPSSLCCN: set and query SSL client common name.
  • AT+CIPSSLCSNI: set and query SSL client server name indication.
  • AT+CIPSSLCALPN: set and query SSL client application layer protocol negotiation.
  • AT+CIPSSLCPSK: set and query SSL client pre-shared key.
  • Support multicast in the command AT+CIPSTART.
  • Support two-way authentication when create SSL.

1.3 MQTT

  • AT+MQTTUSERCFG: set and query MQTT user configuration.
  • AT+MQTTCLIENTID: Set and query MQTT client ID.
  • AT+MQTTUSERNAME: set and query MQTT username.
  • AT+MQTTPASSWORD: set and query MQTT password.
  • AT+MQTTCONNCFG: set and query configuration of MQTT Connection.
  • AT+MQTTCONN: Connect to MQTT Broker.
  • AT+MQTTPUB: Publish MQTT Data in string format.
  • AT+MQTTPUBRAW: Publish MQTT message in binary-coded format.
  • AT+MQTTSUB: Subscribe MQTT Topic.
  • AT+MQTTUNSUB: Unsubscribe from MQTT Topic.
  • AT+MQTTCLEAN: Close the MQTT Connection.

1.4 HTTP

  • AT+HTTPCLIENT: send HTTP client request.
  • AT+HTTPGETSIZE: get HTTP resource size.

1.5 System

  • AT+SYSLOG: enable or disable the AT error code prompt.
  • AT+SYSSTORE: configure parameter store mode.
  • AT+SYSTIMESTAMP: Set local timestamp.
  • AT+SYSROLLBACK: roll back to the previous firmware.
  • AT+SYSFLASH: set and query user partitions in Flash.
  • Support make SILENCE=1 to disable log for saving flash space.
  • Support ESP8266 power save management.
  • Support ESP8266 1MB module without OTA.
  • Adjust partition table for more features.
  • Adjust AT+RFPOWER command.

2. Bugfix

2.1 Wi-Fi

  • Fix AT+CWLAP scans fail sometimes.
  • Fix the range of AT+CIPRECONNINTV to be [1, 36000].
  • Fix AT+RFPOWER set fail when Wi-Fi commands are disabled.
  • Fix incorrect Wi-Fi state when AT+CWJAP failed.
  • Fix missing Wi-Fi status information if AT+CIPMODE=1.

2.2 System

  • Fix AT responses OK even if command ends with CR.
  • Fix AT+SYSMSG parameter check.
  • Fix make factory_bin generates an incorrect bin when flash works in 80MHz mode.
  • Fix UART parity configuration error.

2.3 Others

  • Fix incorrect last DNS configuration in command AT+CIPDNS.
  • Fix the incorrect returned value of DNS command.
  • Fix the incorrect response value of SNTP command.

3. Optimization

  • Optimize TCP/IP process workflow.
  • Optimize Wi-Fi process workflow.

v2.1.0.0-rc2_esp32

3 years ago

#ESP32-AT Relase v2.1.0.0-rc2 Documentation for Relase v2.1.0.0 is available at https://docs.espressif.com/projects/esp-at/en/release-v2.1.0.0_esp32/ You can download the firmwares to try them, which support OTA from espressif‘s server.

ESP32-WROVER_AT_Bin_V2.1.0.0_rc2.zip ESP32-WROOM_AT_Bin_V2.1.0.0_rc2.zip ESP32-PICO-D4_AT_Bin_V2.1.0.0_rc2.zip ESP32-SOLO-1_AT_Bin_V2.1.0.0_rc2.zip

ESP32-AT v2.1.0.0-rc2 is a major update for ESP32-AT v2.0.0.0.

This is the list of changes since ESP32-AT Relase v2.0.0.0.

SDK Update and Known issue

  • Wakeup fail from light sleep

1.Feature

  • esp-idf version update to release v4.0(e7ac221b)

1.1 WiFi

  • AT+CWCOUNTRY: configurate and query the WiFi country code
  • AT+CWSTAPROTO: set and query the 802.11 b/g/n protocol standard of station mode
  • AT+CWAPPROTO: set and query the 802.11 b/g/n protocol standard of SoftAP mode
  • Support automatically connect to AP in the command AT+CWMODE after changed to station mode
  • Support scan mode configuration in the command AT+CWJAP

1.2 TCP/IP

  • AT+CIPTCPOPT: configurate and query the TCP socket options, include SO_LINGER, TCP_NODELAY, SO_SNDTIMEO options
  • Support multicast address in the command AT+CIPSTART

1.3 TLS

  • AT+CIPSSLCCN: configurate and query SSL client common name(CN)
  • AT+CIPSSLCSNI: configurate and query SSL client server name indication(SNI)
  • AT+CIPSSLCALPN: configurate and query SSL client application layer protocol negotiation(ALPN)
  • AT+CIPSSLCPSK: configurate and query SSL client pre-shared key(PSK)

1.4 BT & BLE

  • Enable BLE HID commands by default
  • AT+BTCOD: Configure class of BT device
  • AT+BLUFI: start and stop BLUFI function(configure Wi-Fi information by ble)
  • AT+BLEADVDATAEX: set BLE advertising data automatically
  • Add AT+BTSCANMODE query command: query BT scan mode
  • Add AT+BLEGATTSSRVCRE multiple services
  • Support scan filter in the command AT+BLESCAN
  • Support discoverable but not connectable mode in the command AT+BTSCANMODE
  • Support retransmission for BT SPP
  • Support some BT and BLE parameters store to flash
  • Support BLE connection callback for user to customize it

1.5 MQTT

  • Enable MQTT commands by default
  • AT+MQTTCLIENTID: set and query MQTT client ID
  • AT+MQTTUSERNMAE: set and query MQTT username
  • AT+MQTTPASSWORD: set and query MQTT password
  • Add AT+MQTTUSERCFG query command
  • Add AT+MQTTCONNCFG query command
  • Add AT+MQTTUSERNAME query command
  • Add AT+MQTTCLIENDID query command
  • Add AT+MQTTPASSWORD query command
  • Add MQTT authentication method configuration in menuconfig

1.6 HTTP

  • Enable HTTP commands by default
  • AT+HTTPGETSIZE: get HTTP resource size
  • Support custom request headers in the command AT+HTTPCLIENT

1.7 System

  • AT+SLEEPWKCFG: configurate the light-sleep wakeup source and awake GPIO
  • AT+SYSSTORE: control if store parameter into flash
  • Separate WPS, PING, SmartConfig and MDNS commands in menuconfig
  • Support cmake to compile esp-at project
  • OTA use esp-tls instead of openSSL
  • Add uart port configuration in the factory parameter binary
  • change factory parameter version to v2

1.8 Example

  • Add STM32 example for SDIO SPI AT
  • Add STM32 SDIO host example

2. Bugfix

2.1 WiFi

  • Fix AT+RFPOWER set failed when disable WiFi command
  • Fix AT+CWLAP scan fail when WiFi is connecting
  • Fix missing WiFi status information if AT+CIPMODE=1
  • Fix WiFi state is error after AT+CWJAP failed
  • Fix AT+CIPRECONNINTV set range [1, 36000]

2.3 UART

  • Fix UART parity configuration error

2.4 BT & BLE

  • Fix crash if the notification value of ble is too long
  • Fix BLE service discovery works bad in multiple connections status
  • Fix crash when re-create BLE services
  • Fix re-enter BLE SPP fail
  • Fix AT+BLESCAN=2 return OK
  • Fix hid init fail
  • Fix the data is lost when in BLE SPP
  • Fix exit from bluetooth throughput mode failed
  • Fix gatt server re-enter spp mode fail
  • Fix write characteristic value fail
  • Fix exit automatically reconnect status fail after terminating BLE spp mode
  • Fix establish a new connection fail after ble connection timeout
  • Fix BT default device name is empty
  • Fix BT scan result is out of order
  • Fix BT SPP exit throughput mode fail after disconnection
  • Fix some MAC address informations is missing quotes

2.5 MQTT

  • Fix crash when running AT+MQTTCONN?
  • Fix crash when running AT+MQTTPUB if the data is too long
  • Fix block when running AT+MQTTPUB
  • Fix crash when MQTT is disconnected
  • Fix MQTT can not automatically reconnect
  • Fix crash when running AT+MQTTPUBRAW if the topic length is too long
  • Fix the length of the topic is error if the received MQTT data is too large
  • Fix AT+MQTTPUB failed when WiFi is reconnected
  • Fix the length of the data for AT+MQTTPUBRAW is limited
  • Fix the state responded by AT+MQTTCONN? is error when WiFi is reconnected
  • Fix AT+MQTTCONN fails when MQTT close and re-build the link
  • Fix crash when running AT+MQTTCONNCFG if mqtt is disconnected
  • Fix crash when mqtt is established if Wi-Fi is reconnected

2.6 HTTP

  • Fix print the data downloaded by HTTP error
  • Fix check if http transport type is valid in the command AT+HTTPCLIENT
  • Fix crash if some URL is special in the command AT+HTTPCLIENT

2.7 System

  • Fix busy sometimes after AT+CIPSEND returned OK
  • Fix incorrect information in the factory_parameter.log if module name not defined
  • Fix AT command end with CR responses OK
  • Fix missing "+QUIT" when quit transmission mode if AT+SYSMSG=1
  • Fix AT+CIPSTATUS state unmatched when WiFi disconnected
  • Fix AT+SYSMSG parameter check

2.8 DNS

  • Fix the last DNS configuration is error when running AT+CIPDNS

2.9 PING

  • Fix it returns ERROR when running AT+PING

Optimizations

  • Optimize sockets process workflow
  • Optimize AT+CIPSTATUS command process
  • Optimize transmit terminal process
  • check the default max tx power validity

v2.1.0.0-rc1_esp8266

3 years ago

ESP8266-AT Release v2.1.0.0-rc1

Documentation for Release v2.1.0.0-rc1 is available at https://docs.espressif.com/projects/esp-at/en/release-v2.1.0.0_esp8266/ You can download ESP8266-IDF-AT_V2.1.0_0_RC1.zip to try it, and this firmware supports OTA from espressif‘s server.

ESP8266-AT v2.1.0.0-rc1 is a major update for ESP8266-AT v2.0.0.0.

This is the list of changes since ESP8266-AT Release v2.0.0.0.

SDK Update and Known issue

  • ESP8266_RTOS_SDK version update to release v3.3(b6e861a).

1. New Feature & Change List

1.1 Wi-Fi

  • AT+CWCOUNTRY: set and query the Wi-Fi country code.
  • AT+CWSTAPROTO: set and query the 802.11 b/g/n protocol standard of station mode.
  • AT+CWAPPROTO: set and query the 802.11 b/g/n protocol standard of SoftAP mode.
  • AT+FACTPLCP: send with long or short PLCP.
  • Support scan mode configuration in the command AT+CWJAP.
  • Support automatically connect to the previous AP when station mode is enabled again by AT+CWMODE.

1.2 TCP/IP

  • AT+CIPTCPOPT: set and query TCP socket options.
  • AT+CIPSSLCCN: set and query SSL client common name.
  • AT+CIPSSLCSNI: set and query SSL client server name indication.
  • AT+CIPSSLCALPN: set and query SSL client application layer protocol negotiation.
  • AT+CIPSSLCPSK: set and query SSL client pre-shared key.
  • Support multicast in the command AT+CIPSTART.
  • Support two-way authentication when create SSL.

1.3 MQTT

  • AT+MQTTUSERCFG: set and query MQTT user configuration.
  • AT+MQTTCLIENTID: Set and query MQTT client ID.
  • AT+MQTTUSERNAME: set and query MQTT username.
  • AT+MQTTPASSWORD: set and query MQTT password.
  • AT+MQTTCONNCFG: set and query configuration of MQTT Connection.
  • AT+MQTTCONN: Connect to MQTT Broker.
  • AT+MQTTPUB: Publish MQTT Data in string format.
  • AT+MQTTPUBRAW: Publish MQTT message in binary-coded format.
  • AT+MQTTSUB: Subscribe MQTT Topic.
  • AT+MQTTUNSUB: Unsubscribe from MQTT Topic.
  • AT+MQTTCLEAN: Close the MQTT Connection.

1.4 HTTP

  • AT+HTTPCLIENT: send HTTP client request.
  • AT+HTTPGETSIZE: get HTTP resource size.

1.5 System

  • AT+SYSLOG: enable or disable the AT error code prompt.
  • AT+SYSSTORE: configure parameter store mode.
  • AT+SYSTIMESTAMP: Set local timestamp.
  • AT+SYSROLLBACK: roll back to the previous firmware.
  • AT+SYSFLASH: set and query user partitions in Flash.
  • Support make SILENCE=1 to disable log for saving flash space.
  • Support ESP8266 power save management.
  • Support ESP8266 1MB module without OTA.
  • Adjust partition table for more features.
  • Adjust AT+RFPOWER command.

2. Bugfix

2.1 Wi-Fi

  • Fix AT+CWLAP scans fail sometimes.
  • Fix the range of AT+CIPRECONNINTV to be [1, 36000].
  • Fix AT+RFPOWER set fail when Wi-Fi commands are disabled.
  • Fix incorrect Wi-Fi state when AT+CWJAP failed.
  • Fix missing Wi-Fi status information if AT+CIPMODE=1.

2.2 System

  • Fix AT responses OK even if command ends with CR.
  • Fix AT+SYSMSG parameter check.
  • Fix make factory_bin generates an incorrect bin when flash works in 80MHz mode.
  • Fix UART parity configuration error.

2.3 Others

  • Fix incorrect last DNS configuration in command AT+CIPDNS.
  • Fix the incorrect returned value of DNS command.
  • Fix the incorrect response value of SNTP command.

3. Optimization

  • Optimize TCP/IP process workflow.
  • Optimize Wi-Fi process workflow.

v2.1.0.0-rc1_esp32

3 years ago

ESP32-AT Release v2.1.0.0-rc1

Documentation for Release v2.1.0.0 is available at https://docs.espressif.com/projects/esp-at/en/release-v2.1.0.0_esp32/

ESP32-AT v2.1.0.0-rc1 is a major update for ESP32-AT v2.0.0.0.

This is the list of changes since ESP32-AT releases v2.0.0.0.

SDK Update and Known issue

  • It may wakeup fail from light sleep.

1.Feature

  • ESP-IDF version update to release v4.0(e7ac221b).

1.1 Wi-Fi

  • AT+CWCOUNTRY: configurate and query the WiFi country code.
  • AT+CWSTAPROTO: set and query the 802.11 b/g/n protocol standard of station mode.
  • AT+CWAPPROTO: set and query the 802.11 b/g/n protocol standard of SoftAP mode
  • Support automatically connect to the previous AP when station mode is enabled again by AT+CWMODE.
  • Support scan mode configuration in the command AT+CWJAP.

1.2 TCP/IP

  • AT+CIPTCPOPT: configurate and query the TCP socket options, include SO_LINGER, TCP_NODELAY, SO_SNDTIMEO options.
  • Support multicast address in the command AT+CIPSTART.

1.3 TLS

  • AT+CIPSSLCCN: configurate and query SSL client common name(CN).
  • AT+CIPSSLCSNI: configurate and query SSL client server name indication(SNI).
  • AT+CIPSSLCALPN: configurate and query SSL client application layer protocol negotiation(ALPN).
  • AT+CIPSSLCPSK: configurate and query SSL client pre-shared key(PSK).

1.4 BT & BLE

  • Enable BLE HID commands by default.
  • AT+BTCOD: Configure class of BT device.
  • AT+BLUFI: start and stop BLUFI function(configure Wi-Fi information by BLE).
  • AT+BLEADVDATAEX: set BLE advertising data automatically.
  • Add query command of AT+BTSCANMODE, to query BT scan mode.
  • Support multiple services in AT+BLEGATTSSRVCRE.
  • Support scan filter in command AT+BLESCAN.
  • Support discoverable but not connectable mode in command AT+BTSCANMODE.
  • Support BT Pair Compare key.
  • Support retransmission for BT SPP.
  • Support store some BT and BLE parameters to flash.
  • Support BLE connection callback for user to customize it.

1.5 MQTT

  • Enable MQTT commands by default.
  • AT+MQTTCLIENTID: set and query MQTT client ID
  • AT+MQTTUSERNMAE: set and query MQTT username
  • AT+MQTTPASSWORD: set and query MQTT password
  • Add query command for AT+MQTTUSERCFG.
  • Add query command for AT+MQTTCONNCFG.
  • Add query command for AT+MQTTUSERNAME.
  • Add query command for AT+MQTTCLIENDID.
  • Add query command for AT+MQTTPASSWORD.
  • Add MQTT authentication method configuration in menuconfig.

1.6 HTTP

  • Enable HTTP commands by default.
  • AT+HTTPGETSIZE: get HTTP resource size.
  • Support custom request headers in the command AT+HTTPCLIENT.

1.7 System

  • AT+SLEEPWKCFG: configurate the light-sleep wakeup source and awake GPIO.
  • AT+SYSSTORE: to set whether store parameters into flash or not.
  • Separate WPS, PING, SmartConfig and MDNS commands in menuconfig.
  • Support cmake to compile esp-at project.
  • Use ESP-TLS instead of openSSL when OTA via SSL.
  • Add UART port configuration in the factory parameter binary.
  • Change factory parameter version to v2.

1.8 Example

  • Add STM32 example for SDIO SPI AT.
  • Add STM32 SDIO host example.

2. Bugfix

2.1 Wi-Fi

  • Fix AT+RFPOWER set fail when Wi-Fi commands are disabled.
  • Fix AT+CWLAP scan fail while it is connecting Wi-Fi.
  • Fix incorrect Wi-Fi state when AT+CWJAP failed.
  • Fix the range of AT+CIPRECONNINTV to be [1, 36000].
  • Add missing Wi-Fi status information if AT+CIPMODE=1.

2.3 UART

  • Fix UART parity configuration error.

2.4 BT & BLE

  • Fix crash issue when the BLE notification value is too long.
  • Fix crash issue when re-create BLE services.
  • Fix re-enter BLE SPP fail.
  • Fix AT+BLESCAN incorrect parameter issue.
  • Fix HID init fail.
  • Fix data lost issue in BLE SPP.
  • Fix exit from bluetooth throughput mode failed
  • Optimize BLE service discovery in multiple connections status.

2.5 MQTT

  • Fix MQTT crash issue.
  • Fix a block issue of AT+MQTTPUB
  • Fix MQTT can not automatically reconnect.
  • Fix incorrect topic length if the received MQTT data is too long.
  • Fix AT+MQTTPUB fail when Wi-Fi is reconnected.
  • Fix the limited data length of AT+MQTTPUBRAW.
  • Fix the incorrect state responded by AT+MQTTCONN? when Wi-Fi is reconnected.
  • Fix AT+MQTTCONN fail when MQTT closes and re-builds the link.

2.6 HTTP

  • Fix print error of HTTP-download data.
  • Add check of http transport type in the command AT+HTTPCLIENT.
  • Fix a crash issue of some special URL in the command AT+HTTPCLIENT.

2.7 System

  • Fix probable busy issue after AT+CIPSEND returns OK.
  • Fix incorrect information in the factory_parameter.log if module name is not defined.
  • Fix an AT command response error.
  • Fix incorrect AT+CIPSTATUS state when Wi-Fi disconnected.
  • Add missing "+QUIT" message when quit transmission mode and AT+SYSMSG=1

2.8 DNS

  • Fix an issue of incorrect last DNS configuration in command AT+CIPDNS.

2.9 PING

  • Fix an error of AT+PING

Optimizations

  • Optimize sockets process workflow.
  • Optimize AT+CIPSTATUS command process.
  • Optimize transmit terminal process.
  • Check the default max TX power's validity.

v2.0.0.0_esp32

4 years ago

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