Release notes:

Feature

• Updated AT version to 1.7.6

Bugfix

• Replace SSL lib with mbedtls to support more cipher suites.

Feature

• Updated SDK version to 3.0.5
• Updated AT version to 1.7.5

Bugfix

• Fixed that AT+CWJAP, AT+CWJAP_CUR, AT+CWJAP_DEF command returned wrong reason code

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 conn...

Feature

• Update to SDK version 3.0.3 and AT version 1.7.3.0
• Update to phy version 1156

Bug Fix

• fix(pp): Wi-Fi tx hangs when Q2_RTS_INT and Q0_TX_COMPLETE come at the same time
• fix(at): Connect to the AP with the strongest signal when sending command AT+CWJAP

Feature

• feat: Update to SDK version 3.0.2 and AT version 1.7.2.0
• feat(phy): Update to phy version 1155
• feat(mbedtls): Support SSL cipher suites SSL3.0
• feat(wifi): Add Wi-Fi fast connect feature
• feat(system): Enhance the mac crc check
• feat(at): Remove SSL size check when parsing AT command
• feat(sc): Add broadcast for smartconfig
• feat(net80211): Add wme info to stay comp...