5 Replies Latest reply on Mar 28, 2019 10:21 AM by BeDe_2507241

    WiFi Scan

    BeDe_2507241

      Is there any API in WICED studio to check if the device is currently scanning for wifi networks?

      There is a function to suppress the scan, but I could not find any function to check if there is an ongoing scan.

        • 1. Re: WiFi Scan
          ZhengbaoZ_96

          hello:

           

          please have a check in snip.scan,  we have a handle which will be triggered when scan is finished.

          you can add semaphore to judge if scan is complete.

           

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          • 2. Re: WiFi Scan
            BeDe_2507241

            I am using the following function, which does not have any semaphore input:

             

            wwd_result_t wwd_wifi_scan( wiced_scan_type_t                              scan_type,

                                        wiced_bss_type_t                               bss_type,

                                        /*@null@*/ const wiced_ssid_t*                 optional_ssid,

                                        /*@null@*/ const wiced_mac_t*                  optional_mac,

                                        /*@null@*/ /*@unique@*/ const uint16_t*        optional_channel_list,

                                        /*@null@*/ const wiced_scan_extended_params_t* optional_extended_params,

                                        wiced_scan_result_callback_t                   callback,

                                        wiced_scan_result_t**                          result_ptr,

                                        /*@null@*/ void*                               user_data,

                                        wwd_interface_t                                interface

                                      )

            • 3. Re: WiFi Scan
              ZhengbaoZ_96

              hello:

               

                I think the wiced_scan_result_callback_t callback and wiced_scan_result_t can give you the scan status as you wanted,  need your help to have a check .

              2 of 2 people found this helpful
              • 4. Re: WiFi Scan
                BeDe_2507241

                wiced_scan_result_t does not have any semaphore fields.

                 

                wiced_scan_result_callback_t is called as soon as a result is available. So it is usually called several times during the scan process.

                • 5. Re: WiFi Scan
                  BeDe_2507241

                  The third parameter of the following function

                   

                  static void scan_results_handler( wiced_scan_result_t** result_ptr, void* user_data, wiced_scan_status_t status )

                   

                  is the current status of the scan process:

                   

                  typedef enum

                  {

                      WICED_SCAN_INCOMPLETE,

                      WICED_SCAN_COMPLETED_SUCCESSFULLY,

                      WICED_SCAN_ABORTED,

                  } wiced_scan_status_t;

                   

                  this variable can be used to check if the scan has completed!

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