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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| import re | ||
| import os | ||
| import sarge | ||
|
|
||
| DFUUTIL_ERASING = "Erase " | ||
| DFUUTIL_WRITING = "Download " | ||
| DFUUTIL_NOACCESS = "Cannot open DFU device" | ||
| DFUUTIL_NODEVICE = "No DFU capable USB device available" | ||
|
|
||
| def _check_dfuutil(self): | ||
| dfuutil_path = self.get_profile_setting("dfuutil_path") | ||
| pattern = re.compile("^(\/[^\0/]+)+$") | ||
|
|
||
| if not pattern.match(dfuutil_path): | ||
| self._logger.error(u"Path to dfu-util is not valid: {path}".format(path=dfuutil_path)) | ||
| return False | ||
| elif dfuutil_path is None: | ||
| self._logger.error(u"Path to dfu-util is not set.") | ||
| return False | ||
| if not os.path.exists(dfuutil_path): | ||
| self._logger.error(u"Path to dfu-util does not exist: {path}".format(path=dfuutil_path)) | ||
| return False | ||
| elif not os.path.isfile(dfuutil_path): | ||
| self._logger.error(u"Path to dfu-util is not a file: {path}".format(path=dfuutil_path)) | ||
| return False | ||
| elif not os.access(dfuutil_path, os.X_OK): | ||
| self._logger.error(u"Path to dfu-util is not executable: {path}".format(path=dfuutil_path)) | ||
| return False | ||
| else: | ||
| return True | ||
|
|
||
| def _flash_dfuutil(self, firmware=None, printer_port=None, **kwargs): | ||
| assert(firmware is not None) | ||
|
|
||
| dfuutil_path = self.get_profile_setting("dfuutil_path") | ||
| working_dir = os.path.dirname(dfuutil_path) | ||
|
|
||
| dfuutil_command = self.get_profile_setting("dfuutil_commandline") | ||
| dfuutil_command = dfuutil_command.replace("{dfuutil}", dfuutil_path) | ||
| dfuutil_command = dfuutil_command.replace("{firmware}", firmware) | ||
|
|
||
| import sarge | ||
| self._logger.info(u"Running '{}' in {}".format(dfuutil_command, working_dir)) | ||
| self._send_status("progress", subtype="writing") | ||
| self._console_logger.info(dfuutil_command) | ||
| try: | ||
| p = sarge.run(dfuutil_command, cwd=working_dir, async_=True, stdout=sarge.Capture(buffer_size=1), stderr=sarge.Capture(buffer_size=1)) | ||
| p.wait_events() | ||
|
|
||
| while p.returncode is None: | ||
| output = p.stderr.read(timeout=0.2).decode('utf-8') | ||
| if not output: | ||
| p.commands[0].poll() | ||
| continue | ||
|
|
||
| for line in output.split("\n"): | ||
| if line.endswith("\r"): | ||
| line = line[:-1] | ||
| self._console_logger.info(u"> {}".format(line)) | ||
|
|
||
| if DFUUTIL_ERASING in line: | ||
| self._logger.info(u"Erasing memory...") | ||
| self._send_status("progress", subtype="erasing") | ||
| elif DFUUTIL_WRITING in line: | ||
| self._logger.info(u"Writing memory...") | ||
| self._send_status("progress", subtype="writing") | ||
| elif DFUUTIL_NOACCESS in line: | ||
| raise FlashException("Cannot access DFU device") | ||
| elif DFUUTIL_NODEVICE in line: | ||
| raise FlashException("No DFU device found") | ||
|
|
||
| if p.returncode == 0: | ||
| return True | ||
| else: | ||
| raise FlashException("dfu-util returned code {returncode}".format(returncode=p.returncode)) | ||
|
|
||
| except FlashException as ex: | ||
| self._logger.error(u"Flashing failed. {error}.".format(error=ex.reason)) | ||
| self._send_status("flasherror", message=ex.reason) | ||
| return False | ||
| except: | ||
| self._logger.exception(u"Flashing failed. Unexpected error.") | ||
| self._send_status("flasherror") | ||
| return False | ||
|
|
||
| class FlashException(Exception): | ||
| def __init__(self, reason, *args, **kwargs): | ||
| Exception.__init__(self, *args, **kwargs) | ||
| self.reason = reason |
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