Combo AT Firmware

2910 (Latest): V4.18_P2.1.0

• Added the following commands:
  • AT+SYSMSG
  • AT+HTTPRAW
  • AT+MQTTVER
  • AT+MQTTKEEPALIVE
  • AT+MQTTDISCONN
• HTTP: Added end-marker based request termination when Content-Length is absent
• Changed restore command to not clear IOMAP
• Modified flash write logic to skip writing duplicate data
• Added ATE echo persistence to flash
• Adapted Bluetooth initialization
• Increased MQTTPUBRAW command topic buffer from 64 to 256
• MQTT push messages no longer send \0
• Fixed crash when SSID exceeds 32 bytes
• Fixed AT+SOCKET ignoring ConID when creating a socket
• Fixed UDP transparent transmission mode data send failure
• Fixed crash when AT command MQTT config parameters are empty
• Fixed reboot caused by overly long URL in AT+OTA parameter