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Title Body Platform Versionsort descending Release Date Download
ESP8266 NONOS SDK V1.5.2.1 Patch_20160704

This patch is based on the ESP8266_NONOS_SDK_V1.5.2. When this patch is used, .a files in this patch shall replace corresponding files under the SDK/lib Folder.

Updated:

1. Resolved an issue that RF_Init_data sector may be broken in stress test. Provided a function “user_rf_cal_sector_set” which has to be added in application by software developer. More details about user_rf_cal_sector_set refer to documentation “2C-ESP8266__SDK__API Guide”.(Resolved in ESP8266_NONOS_SDK_V1.5.2.1) 
2. Fix a potential risk that will cause rf not work after external reset.(Resolved in ESP8266_NONOS_SDK_V1.5.2.1)
3. Modify 112 byte of esp_init_data_default.bin, 0x03->0x00, turn off auto freq correction.(Resolved in ESP8266_NONOS_SDK_V1.5.2.1)
Attention: Please refer to “user_main.c” in the zip for “user_rf_cal_sector_set” sample code.

ESP8266_NONOS_SDK Note:

1. esp_init_data.bin has to be downloaded into flash at least once.
2. Download blank.bin to initialize the sector stored RF_CAL parameter (set by user_rf_cal_sector_set), and download esp_init_data.bin into flash, when the system needs to be initialized, or RF needs to be calibrated again.
NON-OS SDK V1.5.2.1 2016.07.04
ESP-BluFi for Android

Configure BluFi device

Android v1.5.3 2020.03.26
ESP8266 NONOS SDK V1.5.3

Updated:

1. Supported ISSI flash.
2. SmartConfig updated to version 2.5.4, solved the issue that AirKiss may fail in certain cases.
3. AT updated to version 1.00.
4. Added lwip_open_src_template_proj in ESP8266_NONOS_SDK\examples for open source LWIP.
5. Added SPI driver, refer to ESP8266_NONOS_SDK\driver_lib\driver\spi_interface.c.
6. Removed the limitation of freedom sending unencrypted beacon/probe req/probe resp.
NON-OS SDK V1.5.3 2016.04.18
ESP8266 NONOS SDK V1.5.3.3 Patch_20160704

ESP8266_NONOS_SDK_V1.5.3.3_ Patch is based on the ESP8266_NONOS_SDK_V1.5.3 and contains all changes updated within ESP8266_NONOS_SDK_V1.5.3.1 and ESP8266_NONOS_SDK_V1.5.3.2. When this patch is used, .a files in this patch shall replace corresponding files under the SDK/lib Folder.

Updated:

1. Resolved the issue that API system_adc_read may return wrong value. (Resolved in 1.5.3.1)
2. Resolved the issue that the current in light sleep mode is too high. (Resolved in 1.5.3.1)
3. Optimised igmp to resolve the issue that ESP8266 maybe reset if connected to a special router. (Resolved in 1.5.3.1)
4. Resolved an issue that RF_Init_data sector may be broken in stress test. Provided a function “user_rf_cal_sector_set” which has to be added in application by software developer. More details about user_rf_cal_sector_set refer to documentation “2C-ESP8266__SDK__API Guide”.(Resolved in ESP8266_NONOS_SDK_V1.5.3.2) 
5. Fix a potential risk that will cause rf not work after external reset.(Resolved in ESP8266_NONOS_SDK_V1.5.3.3)
6. Modify 112 byte of esp_init_data_default.bin, 0x03->0x00, turn off auto freq correction.(Resolved in ESP8266_NONOS_SDK_V1.5.3.3)
Attention: Please refer to “user_main.c” in the zip for “user_rf_cal_sector_set” sample code.

ESP8266_NONOS_SDK Note:

1. esp_init_data.bin has to be downloaded into flash at least once.
2. Download blank.bin to initialize the sector stored RF_CAL parameter (set by user_rf_cal_sector_set), and download esp_init_data.bin into flash, when the system needs to be initialized, or RF needs to be calibrated again.

NON-OS SDK V1.5.3.3 2016.07.04
ESP8266 NONOS SDK V1.5.4

Updated:

1. Updated libphy.a to version 972.
2. Updated libpp.a to version 10.1.
3. Optimized IGMP function.
4. Optimized DNS function.
5. Optimized WPS function.
6. Optimized DHCP server function.
NON-OS SDK V1.5.4 2016.05.20
ESP8266 NONOS SDK V1.5.4.1 Patch_20160704

This patch is based on the ESP8266_NONOS_SDK_V1.5.4. When this patch is used, .a files in this patch shall replace corresponding files under the SDK/lib Folder.

Updated:

1. Resolved an issue that RF_Init_data sector may be broken in stress test. Provided a function “user_rf_cal_sector_set” which has to be added in application by software developer. More details about user_rf_cal_sector_set refer to documentation “2C-ESP8266__SDK__API Guide”. (Resolved in ESP8266_NONOS_SDK_V1.5.4.1) 
2. Fix a potential risk that will cause rf not work after external reset. (Resolved in ESP8266_NONOS_SDK_V1.5.4.1)
3. Fix system state mismatch when call some cur and def APIs. (Resolved in ESP8266_NONOS_SDK_V1.5.4.1)
4. Add SDIO AT support. (Resolved in ESP8266_NONOS_SDK_V1.5.4.1)
5. Fix a potential bug in espconn. (Resolved in ESP8266_NONOS_SDK_V1.5.4.1)
6. Modify 112 byte of esp_init_data_default.bin, 0x03->0x00, turn off auto freq correction.(Resolved in ESP8266_NONOS_SDK_V1.5.4.1)
Attention: Please refer to “user_main.c” in the zip for “user_rf_cal_sector_set” sample code.

ESP8266_NONOS_SDK Note:

1. esp_init_data.bin has to be downloaded into flash at least once.
2. Download blank.bin to initialize the sector stored RF_CAL parameter (set by user_rf_cal_sector_set), and download esp_init_data.bin into flash, when the system needs to be initialized, or RF needs to be calibrated again.
NON-OS SDK V1.5.4.1 2016.07.04
ESP8266 AT Bin V1.6

*Note:

When developing new products with ESP8266, it is recommended that you use ESP8266 AT Bin V2.0.0.0 and/or later versions. Previous AT versions were based on the ESP8266 NONOS SDK, to which no new features will be added in the future. ESP8266 AT Bin V2.0.0.0 and/or later versions will be developed according to the ESP8266 RTOS SDK, which will continue being updated.

Version Description:
1. Update AT version to 1.6.0.0;

2. Add a new command `AT+SYSMSG` to enable some report information;

3. Add a new command `AT+CWCOUNTRY`;

    - `AT+CWCOUNTRY=<country_policy>,"country_code",<start_channel>,<total_channel_number>`

4. Add new command `AT+CIPSERVERMAXCONN`;

    - `AT+CIPSERVERMAXCONN=<num>`

5. Update command `AT+CWLAP`;

    - `AT+CWLAP =<ssid>[,<mac>,<ch>,<scan_type>,<scan_time_min>,<scan_time_max>]`

6. Update command `AT+CWLAPOPT`;

    - Mask changes from 0x7F to 0x7FF

7. Optimize tcp server by using new `espconn_recv`;

8. Fix an issue that getting error irom string when print messages after upgrade;

9. Fix an issue that baudrate is not correctly set when it was set at 1,200;

10. Fix an issue that it should return error if the link id is wrong;

11. Fix an issue that DNS auto mode is used by default;

12. Fix a wrong link id issue when client connection number reaches maximum;

13. Fix an issue that error will be reported when the maximun connection number is more than 5;

14. Fix the message is incorrect when creating UDP if ip is a domain name;

15. Fix GSLP too long time error;

16. Fix that `AT+CIPSTART` causes busy if the server is connected at the same time;

Bin V1.6 2018.02.07
ESP8266 AT Bin V1.6.1

*Note:
When developing new products with ESP8266, it is recommended that you use ESP8266 AT Bin V2.0.0.0 and/or later versions. Previous AT versions were based on the ESP8266 NONOS SDK, to which no new features will be added in the future. ESP8266 AT Bin V2.0.0.0 and/or later versions will be developed according to the ESP8266 RTOS SDK, which will continue being updated.

Version Description:

1. Fix an issue that light sleep current is larger than before.

Bin V1.6.1 2018.02.13
ESP8266 AT Bin V1.6.2

Note: 

When developing new products with ESP8266, it is recommended that you use ESP8266 AT Bin V2.0.0.0 and/or later versions. Previous AT versions were based on the ESP8266 NONOS SDK, to which no new features will be added in the future. ESP8266 AT Bin V2.0.0.0 and/or later versions will be developed according to the ESP8266 RTOS SDK, which will continue being updated.

Version Description:

1. Fix station connecting behavior after upgrading from an old version.

2. Fix wrong SSID query when the length of SSID is 32 bytes.

3. Optimize AT+CIUPDATE behavior.

Bin V1.6.2 2018.06.08
ESP8266 AT Bin V1.7.0

*Note:

When developing new products with ESP8266, it is recommended that you use ESP8266 AT Bin V2.0.0.0 and/or later versions. Previous AT versions were based on the ESP8266 NONOS SDK, to which no new features will be added in the future. ESP8266 AT Bin V2.0.0.0 and/or later versions will be developed according to the ESP8266 RTOS SDK, which will continue being updated.

Version Description:
Based on ESP8266_NonOS_SDK V3.0.0.

Limited by the size of the AT bin file,  only `1024+1024 flash map` is supported by default. 

Bin V1.7.0 2018.08.24
ESP8266 NonOS AT Bin V1.7.1

*Note:

When developing new products with ESP8266, it is recommended that you use ESP8266 AT Bin V2.0.0.0 and/or later versions. Previous AT versions were based on the ESP8266 NONOS SDK, to which no new features will be added in the future. ESP8266 AT Bin V2.0.0.0 and/or later versions will be developed according to the ESP8266 RTOS SDK, which will continue being updated.

Version Description:
Based on ESP8266_NonOS_SDK V3.0.1.

Limited by the size of the AT bin file,  only `1024+1024 flash map` is supported by default. 

Bin V1.7.1 2019.07.15
ESP8266 NonOS AT Bin V1.7.2

*Note:

When developing new products with ESP8266, it is recommended that you use ESP8266 AT Bin V2.0.0.0 and/or later versions. Previous AT versions were based on the ESP8266 NONOS SDK, to which no new features will be added in the future. ESP8266 AT Bin V2.0.0.0 and/or later versions will be developed according to the ESP8266 RTOS SDK, which will continue being updated.

Version Description:
Based on ESP8266_NonOS_SDK V3.0.2.

Limited by the size of the AT bin file,  only `1024+1024 flash map` is supported by default. 

Bin V1.7.2 2020.01.20
ESP8266 NonOS AT Bin V1.7.3

*Note:

When developing new products with ESP8266, it is recommended that you use ESP8266 AT Bin V2.0.0.0 and/or later versions. Previous AT versions were based on the ESP8266 NONOS SDK, to which no new features will be added in the future. ESP8266 AT Bin V2.0.0.0 and/or later versions will be developed according to the ESP8266 RTOS SDK, which will continue being updated.

Version Description:

Based on ESP8266_NonOS_SDK V3.0.3.

Bin V1.7.3 2020.03.26
ESP8266 NonOS AT Bin V1.7.4

*Note: 

When developing new products with ESP8266, it is recommended that you use ESP8266 AT Bin V2.0.0.0 and/or later versions. Previous AT versions were based on the ESP8266 NONOS SDK, to which no new features will be added in the future. ESP8266 AT Bin V2.0.0.0 and/or later versions will be developed according to the ESP8266 RTOS SDK, which will continue being updated.


Version Description:
Based on ESP8266_NonOS_SDK V3.0.4.

Bin V1.7.4 2020.06.03
ESP32-WROOM-32 AT Bin V2.0
Bin V2.0 2019.11.05




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