Epaper Php Script May 2026
/** * Send display refresh command */ private function sendRefreshCommand() // Execute system command to refresh e-paper exec('echo 1 > /sys/class/graphics/fb0/refresh'); // Alternative: send IOCTL command via Python script exec('python3 /usr/local/bin/epaper_refresh.py');
try: fb = open('/dev/fb0', 'rb') fcntl.ioctl(fb, FBIO_REFRESH, struct.pack('I', 0)) fb.close() except Exception as e: print(f"Refresh failed: e", file=sys.stderr) sys.exit(1) <?php // api.php - REST API for e-paper display header('Content-Type: application/json'); $display = new EPaperDisplay(800, 480); epaper php script
public function handleRequest() if ($_SERVER['REQUEST_METHOD'] === 'POST') if (isset($_FILES['image'])) $this->handleImageUpload(); elseif (isset($_POST['text'])) $this->handleTextDisplay(); $this->renderInterface(); /** * Send display refresh command */ private
/** * Send display refresh command */ private function sendRefreshCommand() // Execute system command to refresh e-paper exec('echo 1 > /sys/class/graphics/fb0/refresh'); // Alternative: send IOCTL command via Python script exec('python3 /usr/local/bin/epaper_refresh.py');
try: fb = open('/dev/fb0', 'rb') fcntl.ioctl(fb, FBIO_REFRESH, struct.pack('I', 0)) fb.close() except Exception as e: print(f"Refresh failed: e", file=sys.stderr) sys.exit(1) <?php // api.php - REST API for e-paper display header('Content-Type: application/json'); $display = new EPaperDisplay(800, 480);
public function handleRequest() if ($_SERVER['REQUEST_METHOD'] === 'POST') if (isset($_FILES['image'])) $this->handleImageUpload(); elseif (isset($_POST['text'])) $this->handleTextDisplay(); $this->renderInterface();