function newRadio($name = "", $description = "", $location = "")
{
global $db;
//First see if there is a radio there using default address
$returnArray = array();
exec("nrfcl -t f0f0f0f001 -r f0f0f0f001 gi", $returnArray);
if (!isset($returnArray[0]) or strpos($returnArray[0], "ok") === false) {
echo "No radio communication";
return false;
}
$sql = "SELECT max(rxAddress0) from radios";
$result = $db->query($sql);
if ($result == false) {
$freq = "f0f0f0f002";
} else {
$row = $result->fetchArray(SQLITE3_NUM);
if ($row[0] == NULL) {
$freq = "f0f0f0f002";
} else {
$lastFreq = $row[0];
$freqNum = "0x" . substr($lastFreq, 6);
$thisFreq = intval($freqNum, 16) + 1;
$newFreq = dechex($thisFreq);
while (strlen($newFreq) < 4) {
$newFreq = "0" . $newFreq;
}
$freq = substr($lastFreq, 0, 6) . $newFreq;
}
}
// Now actually send the changes to the radio
// set the receive frequency to the new frequency
$command = "nrfcl -t f0f0f0f001 -r f0f0f0f001 RC:0:0x{$freq}";
$returnArray = 0;
exec($command, $returnArray);
if (count($returnArray) < 2) {
print_r($returnArray);
return false;
}
// set the transmit frequency to the new frequency
$command = "nrfcl -t {$freq} -r {$freq} RC:T:0x{$freq}";
$returnArray = 0;
exec($command, $returnArray);
if (count($returnArray) < 2) {
print_r($returnArray);
return false;
}
// do the update
return existingNewRadio($name, $description, $location, $freq);
}
function processExistingRadio()
{
$name = $_POST['name'];
if (isset($_POST['description'])) {
$description = $_POST['description'];
} else {
$description = "";
}
if (isset($_POST['location'])) {
$location = $_POST['location'];
} else {
$location = "";
}
$channel = $_POST['channel'];
if (preg_match('/^[a-zA-Z0-9:-]+$/', $channel) != 1) {
return "Invalid channel.";
}
include_once 'functions.php';
return existingNewRadio($name, $description, $location, $channel);
}
