+
+ @skipUnless(NUMPY_AVAILABLE, 'Python NumPy not installed')
+ @skipUnless(CV2_AVAILABLE, 'Python OpenCV not installed')
+ @skipUnless(os.getenv('AVOCADO_ALLOW_UNTRUSTED_CODE'), 'untrusted code')
+ def test_framebuffer_tux_logo(self):
+ """
+ Boot Linux and verify the Tux logo is displayed on the framebuffer.
+ :avocado: tags=arch:arm
+ :avocado: tags=machine:integratorcp
+ :avocado: tags=device:pl110
+ :avocado: tags=device:framebuffer
+ """
+ screendump_path = os.path.join(self.workdir, "screendump.pbm")
+ tuxlogo_url = ('https://github.com/torvalds/linux/raw/v2.6.12/'
+ 'drivers/video/logo/logo_linux_vga16.ppm')
+ tuxlogo_hash = '3991c2ddbd1ddaecda7601f8aafbcf5b02dc86af'
+ tuxlogo_path = self.fetch_asset(tuxlogo_url, asset_hash=tuxlogo_hash)
+
+ self.boot_integratorcp()
+ framebuffer_ready = 'Console: switching to colour frame buffer device'
+ wait_for_console_pattern(self, framebuffer_ready)
+ self.vm.command('human-monitor-command', command_line='stop')
+ self.vm.command('human-monitor-command',
+ command_line='screendump %s' % screendump_path)
+ logger = logging.getLogger('framebuffer')
+
+ cpu_count = 1
+ match_threshold = 0.92
+ screendump_bgr = cv2.imread(screendump_path)
+ screendump_gray = cv2.cvtColor(screendump_bgr, cv2.COLOR_BGR2GRAY)
+ result = cv2.matchTemplate(screendump_gray, cv2.imread(tuxlogo_path, 0),
+ cv2.TM_CCOEFF_NORMED)
+ loc = np.where(result >= match_threshold)
+ tux_count = 0
+ for tux_count, pt in enumerate(zip(*loc[::-1]), start=1):
+ logger.debug('found Tux at position [x, y] = %s', pt)
+ self.assertGreaterEqual(tux_count, cpu_count)