at_v0.20_14_11_28

[Admin]

Notice:
AT demo v0.20 is based on SDK v0.9.3.

Details of AT update:
1. Added AT command to set and get APIP/APMAC/STAIP /STAMAC
2. Added AT command to enable and disable DHCP
3. Added UDP transmission
4. Added AT command to enter deep-sleep mode.
5. Added AT command to control echo.

More details in "document" .

[ESP_Faye]

注意：
AT+GSLP 指令进入deep sleep模式，需要硬件上支持唤醒。将 XPD_DCDC 通过 0R 连接到 EXT_RSTB，用作 Deep sleep wake-up。

Notice：
Using “AT+GSLP ”，hardware has to support deep-sleep wake up (XPD_DCDC connects to EXT_RSTB with 0R).