/**
* @brief Scans area for access points. Blocks operation to allow for scan.
*
* To scan for APs, first call scanAccessPoints() with an appropriate scan time
* (recommended scan_time = 4000ms). Create an AccessPointInfo struct and pass
* that to getNextAccessPoint(). Continue to call getNextAccessPoint() until it
* returns false (there are no more APs to scan).
*
* @param[in] scan_time time to scan networks in milliseconds
* @return True if scan succeeded. False otherwise.
*/
bool SFE_CC3000::scanAccessPoints(unsigned int scan_time)
{
int i;
unsigned long channel_timeouts[SCAN_NUM_CHANNELS];
/* If CC3000 is not initialized, return false. */
if (!getInitStatus()) {
return false;
}
/* Create channel interval list for AP scanning */
for (i = 0; i < SCAN_NUM_CHANNELS; i++) {
channel_timeouts[0] = SCAN_CHANNEL_TIMEOUT;
}
/* Setup access point scan */
if (wlan_ioctl_set_scan_params( scan_time,
SCAN_MIN_DWELL_TIME,
SCAN_MAX_DWELL_TIME,
SCAN_NUM_PROBE_REQS,
SCAN_CHANNEL_MASK,
SCAN_RSSI_THRESHOLD,
SCAN_NSR_THRESHOLD,
SCAN_DEFAULT_TX_POWER,
channel_timeouts ) != CC3000_SUCCESS) {
return false;
}
/* Wait for scan to complete */
delay(scan_time + 500);
/* Re-initialize AP counters */
num_access_points_ = 0;
access_point_count_ = 0;
/* Get first scan result in order to obtain the total number of APs */
if (wlan_ioctl_get_scan_results(0, (unsigned char *)&ap_scan_result_) !=
CC3000_SUCCESS ){
return false;
}
num_access_points_ = ap_scan_result_.num_networks;
/* Stop scan */
if (wlan_ioctl_set_scan_params( 0,
SCAN_MIN_DWELL_TIME,
SCAN_MAX_DWELL_TIME,
SCAN_NUM_PROBE_REQS,
SCAN_CHANNEL_MASK,
SCAN_RSSI_THRESHOLD,
SCAN_NSR_THRESHOLD,
SCAN_DEFAULT_TX_POWER,
channel_timeouts ) != CC3000_SUCCESS) {
return false;
}
return true;
}
bool Adafruit_CC3000::scanSSIDs(uint32_t time)
{
const unsigned long intervalTime[16] = { 2000, 2000, 2000, 2000, 2000,
2000, 2000, 2000, 2000, 2000, 2000, 2000, 2000, 2000, 2000, 2000 };
if (!_initialised)
{
return false;
}
// We can abort a scan with a time of 0
if (time)
{
CHECK_PRINTER {
CC3KPrinter->println(F("Started AP/SSID scan\n\r"));
}
}
// Set SSID Scan params to includes channels above 11
CHECK_SUCCESS(
wlan_ioctl_set_scan_params(time, 20, 100, 5, 0x1FFF, -120, 0, 300,
(unsigned long * ) &intervalTime),
"Failed setting params for SSID scan", false);
return true;
}
int WifiScan::startScan() {
const unsigned long intervalTime[16] = { 2000, 2000, 2000, 2000, 2000,
2000, 2000, 2000, 2000, 2000, 2000, 2000, 2000, 2000, 2000, 2000 };
wlan_ioctl_set_scan_params(4000, 20, 100, 5, 0x7FF, -120, 0, 300,
(unsigned long * ) &intervalTime);
return 0;
}
void hw_net_initialize (void)
{
CC3000_START;
SpiInit(4e6);
hw_wait_us(10);
wlan_init(CC3000_UsynchCallback, NULL, NULL, NULL, ReadWlanInterruptPin,
WlanInterruptEnable, WlanInterruptDisable, WriteWlanPin);
wlan_start(0);
int r = wlan_ioctl_set_connection_policy(0, 0, 0);
if (r != 0) {
TM_DEBUG("Fail setting policy %i", r);
}
r = wlan_ioctl_set_scan_params(10000, 100, 100, 5, 0x7FF, -100, 0, 205, wifi_intervals);
if (r != 0) {
TM_DEBUG("Fail setting scan params %i", r);
}
r = wlan_ioctl_set_connection_policy(0, true, true);
if (r != 0) {
TM_DEBUG("Fail setting connection policy %i", r);
}
wlan_stop();
hw_wait_ms(10);
wlan_start(0);
// tm_sleep_ms(100);
// TM_COMMAND('w',"setting event mask\n");
wlan_set_event_mask(HCI_EVNT_WLAN_KEEPALIVE|HCI_EVNT_WLAN_UNSOL_INIT|HCI_EVNT_WLAN_ASYNC_PING_REPORT);
// TM_COMMAND('w',"done setting event mask\n");
unsigned long aucDHCP = 14400;
unsigned long aucARP = 3600;
unsigned long aucKeepalive = 10;
unsigned long aucInactivity = 0;
if (netapp_timeout_values(&aucDHCP, &aucARP, &aucKeepalive, &aucInactivity) != 0) {
TM_DEBUG("Error setting inactivity timeout!");
}
unsigned char version[2];
if (nvmem_read_sp_version(version)) {
TM_ERR("Failed to read CC3000 firmware version.");
}
memcpy(hw_cc_ver, version, 2);
CC3000_END;
}
void loop() {
netapp_ipconfig(&ipconfig);
char connectedSSID[32];
sprintf(connectedSSID, "%s", ipconfig.uaSSID);
digitalWrite(ledPin1,HIGH);
delay(50);
digitalWrite(ledPin1,LOW);
delay(50);
long errParams = wlan_ioctl_set_scan_params(1000, 20, 30, 2, 0x7ff, -80, 0, 205, aiIntervalList[16]);
long errResults = wlan_ioctl_get_scan_results(0, ucResults);
int _numEntry = ((uint8_t) ucResults[3] << 24) | ((uint8_t) ucResults[2] << 16) | ((uint8_t) ucResults[1] << 8) | ((uint8_t) ucResults[0]);
if (errParams == 0 && errResults == 0 && _numEntry > 0) {
digitalWrite(ledPin2,HIGH);
delay(50);
digitalWrite(ledPin2,LOW);
int _stat = ((uint8_t) ucResults[7] << 24) | ((uint8_t) ucResults[6] << 16) | ((uint8_t) ucResults[5] << 8) | ((uint8_t) ucResults[4]);
bool _valid = (uint8_t) ucResults[8] & 0x1;
int _rssi = (uint8_t) ucResults[8] >> 1;
int _mode = ((uint8_t) ucResults[9] | 0xC0) & 0x3;
int _ssidlen = (uint8_t) ucResults[9] >> 2;
char ssid[32];
int idx = 0;
while(strcmp(connectedSSID, ssid) != 0) {
ssid[idx] = ucResults[idx+12];
idx++;
ssid[_ssidlen] = (char) NULL;
}
digitalWrite(ledPin3,HIGH);
delay(100);
digitalWrite(ledPin3,LOW);
Serial.print("WiFi scan status: ");
switch (_stat) {
case 0:
Serial.print("aged, ");
break;
case 1:
Serial.print("valid, ");
break;
case 2:
Serial.print("no results, ");
break;
}
Serial.print(_numEntry);
Serial.print(" nets found. ");
Serial.print(ssid);
Serial1.println(ssid);
if (_valid){
Serial.print(" is valid, RSSI: ");
}
else
Serial.print("not valid, RSSI: ");
Serial.print(_rssi);
Serial1.println(_rssi);
Serial.print(", mode: ");
switch (_mode) {
case 0:
Serial.println("OPEN");
break;
case 1:
Serial.println("WEP");
break;
case 2:
Serial.println("WPA");
break;
case 3:
Serial.println("WPA2");
break;
}
// else {
// Serial.print(connectedSSID);
// Serial.print(" >______< ");
// Serial.println(ssid);
// }
incomingByte = Serial.read();
//key press 'a' to get data
if (incomingByte == 97){
Serial.println(Network.localIP());
Serial.println(Network.subnetMask());
Serial.println(Network.gatewayIP());
Serial.println(Network.SSID());
}
}
void ListAccessPoints(void)
{
unsigned long aiIntervalList[NUM_CHANNELS];
uint8_t rval;
scanResults sr;
int apCounter, i;
char localB[33];
if (!isInitialized)
{
printf("CC3000 not initialized; can't list access points.\n");
return;
}
printf("List visible access points\n");
printf(" Setting scan parameters...\n");
for (i=0; i<NUM_CHANNELS; i++)
{
aiIntervalList[i] = 2000;
}
rval = wlan_ioctl_set_scan_params(
1000, /* Enable start application scan */
100, /* Minimum dwell time on each channel */
100, /* Maximum dwell time on each channel */
5, /* Number of probe requests */
0x7ff, /* Channel mask */
-80, /* RSSI threshold */
0, /* SNR threshold */
205, /* Probe TX power */
aiIntervalList /* Table of scan intervals per channel */
);
if (rval!=0)
{
printf(" Got back unusual result from wlan_ioctl_set_scan_params, can't continue: %d\n", rval);
return;
}
#if 0
printf(" Sleeping 5 seconds to let the CC3000 discover APs...\n");
usleep(5000000);
#endif
printf(" Getting AP count...\n");
/* On the first call to get_scan_results, sr.numNetworksFound will return the
* actual # of APs currently seen. Get that # then loop through and print
* out what's found.
*/
if ((rval=wlan_ioctl_get_scan_results(2000, (uint8_t *)&sr))!=0)
{
printf(" Got back unusual result from wlan_ioctl_get scan results, can't continue: %d\n", rval);
return;
}
apCounter = sr.numNetworksFound;
printf(" Number of APs found: %d\n", apCounter);
do
{
if (sr.isValid)
{
printf(" ");
switch (sr.securityMode)
{
case WLAN_SEC_UNSEC: /* 0 */
printf("OPEN ");
break;
case WLAN_SEC_WEP: /* 1 */
printf("WEP ");
break;
case WLAN_SEC_WPA: /* 2 */
printf("WPA ");
break;
case WLAN_SEC_WPA2: /* 3 */
printf("WPA2 ");
break;
}
sprintf(localB, "%3u ", sr.rssi);
printf("%s", localB);
memset(localB, 0, 33);
memcpy(localB, sr.ssid_name, sr.ssidLength);
printf("%s\n", localB);
}
if (--apCounter>0)
{
if ((rval=wlan_ioctl_get_scan_results(2000, (uint8_t *)&sr)) !=0)
{
printf(" Got back unusual result from wlan_ioctl_get scan, can't continue: %d\n", rval);
return;
}
}
}
while (apCounter>0);
printf(" Access Point list finished.\n");
}
