esp_zb_zdo_active_scan_request() function
Declare functions ************************* Active scan available network. Network discovery service for scanning available network
Arguments
channel_mask
Valid channel mask is from 0x00000800 (only channel 11) to 0x07FFF800 (all channels from 11 to 26)
scan_duration
Time spent scanning each channel, in units of ((1 << scan_duration) + 1) * a beacon time.
user_cb
A user callback to get the active scan result please refer to esp_zb_zdo_scan_complete_callback_t