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Update main.c #9

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23 changes: 15 additions & 8 deletions 23_ble_scan/main/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -25,18 +25,25 @@ static esp_ble_scan_params_t ble_scan_params = {
};

// check if the device was already discovered
bool alreadyDiscovered(esp_bd_addr_t address) {
bool alreadyDiscovered(esp_bd_addr_t address){

bool found = false;

for(int i = 0; i < discovered_devices_num; i++) {

for(int j = 0; j < ESP_BD_ADDR_LEN; j++)
found = (discovered_devices[i][j] == address[j]);


uint8_t alreadyFound[6] = {
discovered_devices[i][0],
discovered_devices[i][1],
discovered_devices[i][2],
discovered_devices[i][3],
discovered_devices[i][4],
discovered_devices[i][5]};
// this way checks for all possible combinations of MAC addresses, instead of only last byte.
if(memcmp(alreadyFound,address,6) == 0) found = true;

if(found) break;
}

return found;
}

Expand Down Expand Up @@ -139,4 +146,4 @@ void app_main() {

// configure scan parameters
esp_ble_gap_set_scan_params(&ble_scan_params);
}
}