Espressif Systems ESP8266EX - Page 16

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3. Sample Codes
Callback function when the AP scanning is completed:
void󰲧scan_done(void󰲧*arg,󰲧STATUS󰲧status)
{
󰲧󰲧󰲧󰲧uint8󰲧ssid[33];
󰲧󰲧󰲧󰲧char󰲧temp[128];
󰲧󰲧󰲧󰲧if󰲧(status󰲧==󰲧OK)󰲧{
󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧struct󰲧bss_info󰲧*bss_link󰲧=󰲧(struct󰲧bss_info󰲧*)arg;
󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧while󰲧(bss_link󰲧!=󰲧NULL)󰲧{
󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧memset(ssid,󰲧0,󰲧33);
󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧if󰲧(strlen(bss_link->ssid)󰲧<=󰲧32)
󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧memcpy(ssid,󰲧bss_link->ssid,󰲧strlen(bss_link->ssid));
󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧else
󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧memcpy(ssid,󰲧bss_link->ssid,󰲧32);
󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧printf("(%d,\"%s\",%d,\""MACSTR"\",%d)\r\n",
󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧bss_link->authmode,󰲧ssid,󰲧bss_link->rssi,
󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧MAC2STR(bss_link->bssid),bss_link->channel);
󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧bss_link󰲧=󰲧bss_link->next.stqe_next;
󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧}
󰲧󰲧󰲧󰲧}󰲧else󰲧{
󰲧󰲧󰲧󰲧󰲧󰲧󰲧󰲧printf("scan󰲧fail󰲧!!!\r\n");
󰲧󰲧󰲧󰲧}
}
3. Compile the application program, generate firmware and download it into the ESP8266
module.
4. Power off the module, and change it to operation mode; then power on the module and
run the program.
Result:
Hello,󰲧welcome󰲧to󰲧scan-task!
scandone
(0,"ESP_A13319",-41,"1a:fe:34:a1:33:19",1)
(4,"sscgov217",-75,"80:89:17:79:63:cc",1)
(0,"ESP_97F0B1",-46,"1a:fe:34:97:f0:b1",1)
(0,"ESP_A1327E",-36,"1a:fe:34:a1:32:7e",1)
Espressif
! /!12 37
2017.05