@@ -156,6 +156,10 @@ discard block |
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| 156 | 156 | 't', 'u', 'v', 'w' // 119 |
| 157 | 157 | ); // char 64 |
| 158 | 158 | */ |
| 159 | + |
|
| 160 | + /** |
|
| 161 | + * @param integer $ascii |
|
| 162 | + */ |
|
| 159 | 163 | private function asciidec_2_8bit($ascii) { |
| 160 | 164 | //only process in the following range: 48-87, 96-119 |
| 161 | 165 | if ($ascii < 48) { } |
@@ -181,6 +185,10 @@ discard block |
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| 181 | 185 | return(substr($bin, -6)); |
| 182 | 186 | } |
| 183 | 187 | |
| 188 | + /** |
|
| 189 | + * @param integer $_start |
|
| 190 | + * @param integer $_size |
|
| 191 | + */ |
|
| 184 | 192 | private function binchar($_str, $_start, $_size) { |
| 185 | 193 | // ' ' --- '?', // 0x20 - 0x3F |
| 186 | 194 | // '@' --- '_', // 0x40 - 0x5F |
@@ -206,6 +214,10 @@ discard block |
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| 206 | 214 | } |
| 207 | 215 | |
| 208 | 216 | // function for decoding the AIS Message ITU Payload |
| 217 | + |
|
| 218 | + /** |
|
| 219 | + * @param string $_aisdata |
|
| 220 | + */ |
|
| 209 | 221 | private function decode_ais($_aisdata) { |
| 210 | 222 | $ro = new stdClass(); // return object |
| 211 | 223 | $ro->cls = 0; // AIS class undefined, also indicate unparsed msg |
@@ -364,6 +376,12 @@ discard block |
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| 364 | 376 | else return ''; |
| 365 | 377 | } |
| 366 | 378 | |
| 379 | + /** |
|
| 380 | + * @param string $_itu |
|
| 381 | + * @param integer $_len |
|
| 382 | + * @param integer $_filler |
|
| 383 | + * @param string $aux |
|
| 384 | + */ |
|
| 367 | 385 | public function process_ais_itu($_itu, $_len, $_filler, $aux /*, $ais_ch*/) { |
| 368 | 386 | global $port; // tcpip port... |
| 369 | 387 | static $debug_counter = 0; |
@@ -383,6 +401,10 @@ discard block |
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| 383 | 401 | |
| 384 | 402 | // char* - AIS \r terminated string |
| 385 | 403 | // TCP based streams which send messages in full can use this instead of calling process_ais_buf |
| 404 | + |
|
| 405 | + /** |
|
| 406 | + * @param string $rawdata |
|
| 407 | + */ |
|
| 386 | 408 | public function process_ais_raw($rawdata, $aux = '') { // return int |
| 387 | 409 | static $num_seq; // 1 to 9 |
| 388 | 410 | static $seq; // 1 to 9 |
@@ -607,6 +629,9 @@ discard block |
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| 607 | 629 | return $result; |
| 608 | 630 | } |
| 609 | 631 | |
| 632 | + /** |
|
| 633 | + * @param string $mmsi |
|
| 634 | + */ |
|
| 610 | 635 | public function mmsitype($mmsi) { |
| 611 | 636 | if (strlen($mmsi) == 9) { |
| 612 | 637 | if (substr($mmsi,0,3) == '974') return 'EPIRB (Emergency Position Indicating Radio Beacon) AIS'; |