add initial project files.

2020-06-09 16:02:25 +09:00
commit b692151385
22 changed files with 2851 additions and 0 deletions
--- a/lib/DigiTemp.php
+++ b/lib/DigiTemp.php
@ -0,0 +1,131 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Orrisroot;
+
+class DigiTemp
+{
+    /**
+     * @var string digitemp command path
+     */
+    private string $commandPath;
+
+    /**
+     * @var string config file path
+     */
+    private string $configPath;
+
+    /**
+     * @var array config data
+     */
+    private array $config = [
+        'TTY' => '',
+        'READ_TIME' => 0,
+        'LOG_TYPE' => 0,
+        'LOG_FORMAT' => '',
+        'CNT_FORMAT' => '',
+        'HUM_FORMAT' => '',
+        'SENSORS' => 0,
+        'ROM' => [],
+    ];
+
+    /**
+     * constructor.
+     *
+     * @param string $commandPath digitemp command path
+     * @param string $configPath  config file path
+     */
+    public function __construct(string $commandPath, string $configPath)
+    {
+        $this->commandPath = $commandPath;
+        $this->configPath = $configPath;
+        $this->parseConfig();
+    }
+
+    /**
+     * get number of sensors.
+     */
+    public function getNumSensors(): int
+    {
+        return $this->config['SENSORS'];
+    }
+
+    /**
+     * get sensor id.
+     *
+     * @param int $num sensor number
+     *
+     * @return ?string
+     */
+    public function getSensorId(int $num): ?string
+    {
+        return isset($this->config['ROM'][$num]) ? $this->config['ROM'][$num] : null;
+    }
+
+    /**
+     * read sensor.
+     *
+     * @param int $num sensor number
+     *
+     * @return ?float
+     */
+    public function readSensor(int $num): ?float
+    {
+        $cmd = escapeshellcmd($this->commandPath.' -c '.$this->configPath.' -q -t '.$num.' -o"%.2C" 2>/dev/null');
+        exec($cmd, $output, $ret);
+        if (0 !== $ret) {
+            return null;
+        }
+
+        return (float) $output[0];
+    }
+
+    /**
+     * parse config file.
+     *
+     * @return false if failure
+     */
+    private function parseConfig(): bool
+    {
+        foreach (file($this->configPath) as $line) {
+            preg_match_all('/"(?:\\\\.|[^\\\\"])*"|\S+/', trim($line), $matches);
+            if (empty($matches[0])) {
+                continue;
+            }
+            $cols = $matches[0];
+            $key = array_shift($cols);
+            $value = array_shift($cols);
+            switch ($key) {
+            case 'TTY':
+                $this->config[$key] = $value;
+                break;
+            case 'READ_TIME':
+                $this->config[$key] = (int) $value;
+                break;
+            case 'LOG_TYPE':
+                $this->config[$key] = (int) $value;
+                break;
+            case 'LOG_FORMAT':
+                $this->config[$key] = '"' === substr($value, 0, 1) ? stripslashes(substr($value, 1, -1)) : $value;
+                break;
+            case 'CNT_FORMAT':
+                $this->config[$key] = '"' === substr($value, 0, 1) ? stripslashes(substr($value, 1, -1)) : $value;
+                break;
+            case 'HUM_FORMAT':
+                $this->config[$key] = '"' === substr($value, 0, 1) ? stripslashes(substr($value, 1, -1)) : $value;
+                break;
+            case 'SENSORS':
+                $this->config[$key] = (int) $value;
+                break;
+            case 'ROM':
+                $this->config[$key][(int) $value] = str_replace('0x', '', implode('', array_reverse($cols)));
+                break;
+            default:
+                return false;
+            }
+        }
+
+        return true;
+    }
+}