20 Add NVRAM


20.1 Histroy

  • 2014-07-17, rayoslee, release V0.0.1

20.2 FAQ

  1. How to using NVRAM to change Tx Power Table or Country code and so on?
    • Turn on ucTxPwrValid 0x0c4 in WIFI NVRAM file

      change it from 00 to 01

    • Change Country code 0x00a in WIFI NVRAM file

      US (0x55, 0x53), CN (0x43, 0x4E), JP (0x4A, 0x50), EU (0x45, 0x55)

    • Add MAC address 0x004 in WIFI NVRAM file

      22 44 66 AA BB CC Watch out: do not set “the lowest bit of the highest byte” to be 1 ==> 0010 0011(0x23) ==> 1 is for IP Multicast MAC address, 0 is for Unicast MAC address.

    • Add your WIFI NVRAM file path in wlan/os/linux/platform.c

      +++ #define WIFI_NVRAM_FILE_NAME /mntnand1-1/wifi/MT5931/WIFI