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Compiler/CC3200MOD: How to set wifi channel to 13 from 1 in CC3200SDK_1.3.0

Ajax Lee
Prodigy 60 points
Part Number: CC3200MOD
Other Parts Discussed in Thread: CC3200SDK, CC3200

Tool/software: TI C/C++ Compiler

We have been developing our product including TI CC3200MOD that is Station mode.

We would like to set WiFi Channel to 13 from 1. 

How should we modify which source file in  CC3200SDK_1.3.0?

  • 0
    Guru 79905 points

    Hi,

    Wifi channel for AP mode you can set by API sl_WlanSet() and options SL_WLAN_CFG_AP_ID, WLAN_AP_OPT_CHANNEL. Channel at STA mode depends on your infrastructure AP and from this reason cannot be changed at CC3200 side. You need change this at your access point to which is CC3200 connected.

    Jan

  • 0 in reply to Jan D
    Prodigy 60 points

    Which one is right below?

    1) When an AP uses the 11th channel of WIFI, CC3200 can catch the 11th channel of the AP.

    2)Because CC3200 has only 1 channel, we should set the channel of AP to the 1st channel.

  • 0 in reply to Ajax Lee
    Guru 79905 points

    Hi,

    First statement is partially correct.

    During connection process of CC3200 it scans available wifi networks for particular SSID (BSSI). When CC3200 found particular SSID it connect to network at channel which it found. If you want to eliminate scanning of some channels numbers, you can use option WLAN_GENERAL_PARAM_OPT_SCAN_PARAMS.

    Jan

  • 0 in reply to Ajax Lee
    Prodigy 60 points
    I thought 1) is impossible and 2) is possible in your answer. Am I correct?
  • 0 in reply to Ajax Lee
    Guru 79905 points

    Hi,

    Sorry I am not sure what you are asking for.

    At STA mode CC3200 does connect to Wifi with channel number set at your router/AP. None of Wifi device have capability to change channels set at router/AP.

    Jan

  • 0 in reply to Jan D
    Prodigy 60 points

    Thank you for your kind reply.

    How many channels can the CC3200 scan in Station mode?
    Number of channels: 1 to 13 scans available?
    If possible, please provide the code that sets the scannable channel.

  • 0 in reply to Ajax Lee
    Guru 79905 points

    Hi,

    CC3200 can scan all channels 1-13 in case you have set country code to EU and you not have disabled channel scan by option WLAN_GENERAL_PARAM_OPT_SCAN_PARAMS.

    Jan