ESP8266_RTOS_SDK v2.1.0

ESP8266 RTOS SDK v2.1.0

ESP8266 RTOS SDK v2.1.0 is an old-style SDK, not the ESP-IDF style. If you want to use the ESP-IDF style SDK, please refer to ESP8266 RTOS SDK V3.0 or later versions.

This is the list of changes since ESP8266 RTOS SDK v2.0.

1. System

• remove an unsupported library, i.e. libminic.a
• add libhal.a to sdk to solve compiling error
• fix an error in load/store exception handler
• fix an issue that OTA will erase rf cal sector
• add an OTA example

2. Wi-Fi

• support both broadcast and multicast packet for smartconfig. To use it, please upgrade your ESP-TOUCH App to v0.3.7.0
• fix the PMK saving error when AP does not exit
• fix an issue that watchdog is triggered because PMK calculation takes too long time
• fix an issue that system may crash when changing Wi-Fi mode
• update libphy.a to version 1055_8 to fix beacon timeout in some cases

3. Peripherals Driver

3.1 UART

• fix an issue that UART fails to print at low baud rate

3.2 SPI Flash

• modify enum SpiIntSrc_Done and SpiIntSrc_DoneEn's name
• modify parameter types
• change upack(1) to pack() to cancel 1-byte alignment, and therefore avoid compiling error

3.3 PWM

• add api to stop pwm
• add api to set the phase of each pwm channel
• add a pwm example

4. Protocol

4.1 lwIP

• send arp every 10s to avoid network IP change

4.2 wolfSSL

• add the 3.15.3 version of wolfSSL library
• add a wolfSSL client example
• disable RC4 and RABBIT by default
• enable TLS 1.0 and TLS 1.1 by default

4.3 WebSocket

• fix compiling error

4.4 CoAP

• add CoAP source code
• add a CoAP client example
• add a CoAP server example