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Title: how to configure 2.4Ghz and 5Hz mode on Hotspot mode? [Print This Page]
Author: recogine    Time: 5/8/2017 12:10
Title: how to configure 2.4Ghz and 5Hz mode on Hotspot mode?
Hi firefly,
May i know that how we configure Hotspot dual band frequency 2.4Ghz and 5GHz, currently android lollipop doesn't provide any interface for this changes.

please tell me how to do that, thanks a lot
Author: isle    Time: 5/11/2017 09:59
like this:
  1. diff --git a/system/netd/server/SoftapController.cpp b/system/netd/server/SoftapController.cpp
  2. index f4ece88..5e896fe 100755
  3. --- a/system/netd/server/SoftapController.cpp
  4. +++ b/system/netd/server/SoftapController.cpp
  5. @@ -151,15 +151,16 @@ int SoftapController::setSoftap(int argc, char *argv[]) {
  6.      if (!strcasecmp(argv[4], "hidden"))
  7.          hidden = 1;

  9. -    if (argc >= 5) {
  10. +    channel = AP_CHANNEL_DEFAULT;
  11. +    /*if (argc >= 5) {
  12.          channel = atoi(argv[5]);
  13.          if (channel <= 0)
  14.              channel = AP_CHANNEL_DEFAULT;
  15. -    }
  16. +    }*/

  18.      asprintf(&wbuf, "interface=%s\ndriver=nl80211\nctrl_interface="
  19.              "/data/misc/wifi/hostapd\nssid=%s\nchannel=%d\nieee80211n=1\n"
  20. -            "hw_mode=g\nignore_broadcast_ssid=%d\nwowlan_triggers=any\n",
  21. +            "hw_mode=a\nignore_broadcast_ssid=%d\nwowlan_triggers=any\n",
  22.              argv[2], argv[3], channel, hidden);

  24.      if (argc > 7) {
  25. diff --git a/system/netd/server/SoftapController.h b/system/netd/server/SoftapController.h
  26. index 7063067..1695559 100644
  27. --- a/system/netd/server/SoftapController.h
  28. +++ b/system/netd/server/SoftapController.h
  29. @@ -25,7 +25,7 @@
  30. #define AP_BSS_STOP_DELAY      500000
  31. #define AP_SET_CFG_DELAY       500000
  32. #define AP_DRIVER_START_DELAY  800000
  33. -#define AP_CHANNEL_DEFAULT     6
  34. +#define AP_CHANNEL_DEFAULT     149

  36. class SoftapController {
  37. public:
  38.                
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