Tags: darsolano/ESP8266_NONOS_SDK
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# Feature - Update to SDK version 3.0.4 and AT version 1.7.4.0 - feat(pp): Used beacon interval to calibrate timer to improve accuracy - feat(net80211): Allowed ESP8266 to connect to AP without basic rate - feat(system): revise flash map automatically when the firmware and flash map do not match. - feat(at): Add at_nano demo to support 1MB flash # Bug Fix - fix(net80211): Fixed some connection failure issue during 11b with only AP mode - fix(net80211): Fixed the memory leak problem when ESP8266 acts as AP and station is sending illegal messages - fix(system): Fixed probable loss of system parameter if power down when erasing or writing the flash - fix(lwip): Fixed crash issue when SNTP is stopped - fix(at): Fixed potential low risk of scan failure using the AT command to scan specified SSID
Version 2.1.0(116b762)
### System
1. Fix and update the license;
2. Add definitions of ROM functions;
3. Add efuse mac crc, save efuse mac into the system parameter area of flash, as a backup mac;
4. Implement `uart_div_modify`, which can support a 32-bit DivLatchValue in the SDK instead of the ROM one, and also remove `uart_div_modify` from the ld file;
5. Reduce iRAM usage by transferring some functions to flash；
- add weak function `void user_spi_flash_dio_to_qio_pre_init(void)`. If the dio to qio flash mode is not used, users can add an empty `user_spi_flash_dio_to_qio_pre_init` on the application side to reduce iRAM usage;
6. Fix WDT in system_restart;
7. Fix Write & Read issue in SPI overlap mode;
8. Support 8MB & 16MB spi flash;
9. Update boot v1.7;
- Support 8MB & 16MB spi flash;
- Try boot the first bin for 3 times. If it fails, then boot the backup bin;
10. Fix http packet error, BBP301;
11. Support long periods of deep sleep;
12. Fix NMI handle crash on unaligned memory access, BBP309;
### Lwip
1. Add set and get dns server APIs:
- espconn_dns_setserver
- espconn_dns_getserver
2. Fix 2038 overflow bug in sntp_get_current_timestamp;
3. Fix MTU negotiate bug;
### AT
1. Add new commands, AT+UART? and AT+UART_DEF?;
2. Add new command, AT+SYSRAM?;
3. Add new commands, AT+SYSIO series;
4. Add new command, AT+CWHOSTNAME;
5. Add new command, AT+SYSADC?;
6. Add new commands, AT+CIPSNTPCFG and AT+CIPSNTPTIME;
7. Add new commands, AT+CIPDNS_CUR and AT+CIPDNS_DEF;
8. Support a maximum of 8 stations;
9. Modify keepalive count to 3 times;
10. Fix scan hidden ssid issue in AT+CWLAP;
11. Fix the issue of the UART stop bit being 0 when queried for the first time;
12. Fix MAC addr conflict in AP+STA mode;
13. Add new commands, AT+RFAUTOTRACE;
### WiFi
1. Optimize the RF frequency calibration workflow, having the frequency trace disabled by default;
- users can call `system_phy_freq_trace_enable` in `user_rf_pre_init` to enable it;
2. Update libphy.a to version 1134_0;
3. Allow sending a broadcast ESP-NOW packet, but make sure that the packet is unencrypted;
4. Fix soft queue error;
5. Fix EVENT_STAMODE_AUTHMODE_CHANGE event mode info;
6. Fix lmac assert;
7. Fix bug in sniffer mode;
8. Fix arp loss continously issue;
9. Fix bug in WiFi event;
- auth mode changed event cannot be throw when station is in the process of scanning;
- error old auth mode and new auth mode;
- op mode change process cannot be blocked, so add an event to notify the caller that op mode is changed;
10. Fix the bug in mic failure handler;
11. Fix the bug which causes failure of connection to an AP with shared WEP;
12. Fix the bug which causes failure of connection to an AP with hidden ssid;
13. Fix softAP deauth;
14. Fix reconnect policy when trying to connect to an AP that does not exist;
15. Fix scan issue;
16. Fix extra bytes in UDP broadcast packet, BBP310;
ESP8266_NONOS_SDK_V2.0.0_16_07_19 1. Updated libphy.a to 1055, fixed an issue of large current in Light-sleep. 2. Updated AT+ to 1.3.0: 2.1 Added Light-sleep wakeup command, AT+WAKEUPGPIO; 2.2 Fixed abnormal AT+CWDHCPS IP allocation; 2.3 Added at_sdio demo under example directory. 3. Fixed probable system default when calling cur and def interfaces. 4. Fixed the issue of high current in Deep-sleep mode without disabling SPI first. 5. Fixed an issue where the SDK would crash when switching from AP to Station mode by calling wifi_set_phy_mode. 6. Updated secondary boot loader to v1.6: 6.1 Supports AT + based on SDIO; 6.2 Supports entering testing mode through GPIO. 7. Added support for MXIC Flash QIO mode. 8. Fixed exception caused during TCP handshake and retransmission. 9. Fixed issues in ESP-NOW. 10. Added ESP-PAIR (Simple-Pair) feature, for APIs please refer to ESP8266 SDK API Guide. 11. wpa2-enterprise time function derivation and time check disable can be set by users. 12. Support for PEAP/TTLS in wpa2-enterprise, for APIs please refer to ESP8266 SDK API Guide. 13. Added mqtt demos under examples directory. 14. Other issue fixes. 15. 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) 16. Fix a potential risk that will cause rf not work after external reset. (Resolved in ESP8266_NONOS_SDK_V1.5.4.1) 17. Add SDIO AT support. (Resolved in ESP8266_NONOS_SDK_V1.5.4.1) 18. Fix a potential bug in espconn. (Resolved in ESP8266_NONOS_SDK_V1.5.4.1)