Small utililty script to get info via GET requests

src/php_top/Makefile

@@ -18,7 +18,8 @@ PHP_SCRIPTS=i2c.php \
             phpinfo.php \
             raw.php \
             snapfull.php \
-            tuneseq.php
+            tuneseq.php \
+            utils.php
 
 PHPINCLUDES=i2c_include.php \
             show_source_include.php \

src/php_top/elphel_functions_include.php

@@ -317,4 +317,18 @@ function get_raw_dev()
 	return $raw_devices;
 }
 
+/** Get a list of detected sensors (no mux). Readimg from sysfs. */
+function get_sensors(){
+    $sensors = array('none','none','none','none');
+    $path = "/sys/devices/soc0/elphel393-detect_sensors@0";
+    for($i=0;$i<count($sensors);$i++){
+        $s = "$path/sensor{$i}0";
+        if (is_file($s)){
+            $c = trim(file_get_contents($s));
+            $sensors[$i] = $c;
+        }
+    }
+    return $sensors;
+}
+
 ?>

src/php_top/utils.php

+<?php
+/**
+ * @copyright Copyright (C) 2020 Elphel, Inc.
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ * @author Oleg Dzhimiev <oleg@elphel.com>
+ * @brief Access info or perform actions using GET requests
+ */
+
+include "include/elphel_functions_include.php";
+
+$cmd = "donothing";
+
+if (isset($_GET['cmd']))
+  $cmd = $_GET['cmd'];
+else if (isset($argv[1]))
+  $cmd = $argv[1];
+
+// allow CORS
+header('Access-Control-Allow-Origin: *');
+
+switch($cmd){
+  case "sensors":
+    print(cmd_sensors());
+    break;
+  default:
+    print("OK");
+}
+
+function cmd_sensors(){
+    $p0 = 2323;
+    $sensors = get_sensors();
+
+    $res = "\t<camera ip='".$_SERVER['SERVER_ADDR']."'>\n";
+    foreach($sensors as $i => $sensor){
+        $p = $p0+$i;
+        $res .= "\t\t<port index='$i' port='$p'>$sensor</port>\n";
+    }
+    $res .= "\t</camera>\n";
+
+    $xml  = "<?xml version='1.0' standalone='yes'?>\n";
+    $xml .= "<Document>\n";
+    $xml .= $res;
+    $xml .= "</Document>\n";
+
+    return $xml;
+}
+
+?>