GHGiampy
3 years ago
committed by
Scott Lahteine
Scott Lahteine
8 changed files with 770 additions and 24 deletions
@ -0,0 +1,434 @@ |
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# |
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# MarlinBinaryProtocol.py |
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# Supporting Firmware upload via USB/Serial, saving to the attached media. |
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# |
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import serial |
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import math |
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import time |
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from collections import deque |
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import threading |
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import sys |
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import datetime |
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import random |
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try: |
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import heatshrink |
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heatshrink_exists = True |
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except ImportError: |
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heatshrink_exists = False |
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|
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|
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def millis(): |
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return time.perf_counter() * 1000 |
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|
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class TimeOut(object): |
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def __init__(self, milliseconds): |
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self.duration = milliseconds |
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self.reset() |
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|
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def reset(self): |
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self.endtime = millis() + self.duration |
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|
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def timedout(self): |
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return millis() > self.endtime |
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|
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class ReadTimeout(Exception): |
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pass |
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class FatalError(Exception): |
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pass |
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class SycronisationError(Exception): |
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pass |
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class PayloadOverflow(Exception): |
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pass |
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class ConnectionLost(Exception): |
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pass |
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|
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class Protocol(object): |
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device = None |
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baud = None |
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max_block_size = 0 |
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port = None |
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block_size = 0 |
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|
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packet_transit = None |
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packet_status = None |
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packet_ping = None |
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|
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errors = 0 |
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packet_buffer = None |
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simulate_errors = 0 |
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sync = 0 |
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connected = False |
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syncronised = False |
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worker_thread = None |
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|
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response_timeout = 1000 |
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|
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applications = [] |
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responses = deque() |
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|
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def __init__(self, device, baud, bsize, simerr, timeout): |
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print("pySerial Version:", serial.VERSION) |
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self.port = serial.Serial(device, baudrate = baud, write_timeout = 0, timeout = 1) |
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self.device = device |
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self.baud = baud |
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self.block_size = int(bsize) |
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self.simulate_errors = max(min(simerr, 1.0), 0.0); |
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self.connected = True |
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self.response_timeout = timeout |
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self.register(['ok', 'rs', 'ss', 'fe'], self.process_input) |
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self.worker_thread = threading.Thread(target=Protocol.receive_worker, args=(self,)) |
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self.worker_thread.start() |
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|
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def receive_worker(self): |
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while self.port.in_waiting: |
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self.port.reset_input_buffer() |
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|
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def dispatch(data): |
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for tokens, callback in self.applications: |
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for token in tokens: |
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if token == data[:len(token)]: |
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callback((token, data[len(token):])) |
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return |
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|
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def reconnect(): |
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print("Reconnecting..") |
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self.port.close() |
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for x in range(10): |
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try: |
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if self.connected: |
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self.port = serial.Serial(self.device, baudrate = self.baud, write_timeout = 0, timeout = 1) |
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return |
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else: |
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print("Connection closed") |
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return |
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except: |
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time.sleep(1) |
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raise ConnectionLost() |
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|
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while self.connected: |
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try: |
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data = self.port.readline().decode('utf8').rstrip() |
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if len(data): |
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#print(data) |
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dispatch(data) |
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except OSError: |
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reconnect() |
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except UnicodeDecodeError: |
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# dodgy client output or datastream corruption |
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self.port.reset_input_buffer() |
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|
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def shutdown(self): |
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self.connected = False |
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self.worker_thread.join() |
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self.port.close() |
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|
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def process_input(self, data): |
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#print(data) |
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self.responses.append(data) |
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|
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def register(self, tokens, callback): |
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self.applications.append((tokens, callback)) |
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|
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def send(self, protocol, packet_type, data = bytearray()): |
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self.packet_transit = self.build_packet(protocol, packet_type, data) |
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self.packet_status = 0 |
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self.transmit_attempt = 0 |
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|
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timeout = TimeOut(self.response_timeout * 20) |
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while self.packet_status == 0: |
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try: |
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if timeout.timedout(): |
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raise ConnectionLost() |
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self.transmit_packet(self.packet_transit) |
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self.await_response() |
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except ReadTimeout: |
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self.errors += 1 |
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#print("Packetloss detected..") |
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self.packet_transit = None |
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|
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def await_response(self): |
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timeout = TimeOut(self.response_timeout) |
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while not len(self.responses): |
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time.sleep(0.00001) |
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if timeout.timedout(): |
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raise ReadTimeout() |
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|
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while len(self.responses): |
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token, data = self.responses.popleft() |
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switch = {'ok' : self.response_ok, 'rs': self.response_resend, 'ss' : self.response_stream_sync, 'fe' : self.response_fatal_error} |
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switch[token](data) |
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|
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def send_ascii(self, data, send_and_forget = False): |
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self.packet_transit = bytearray(data, "utf8") + b'\n' |
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self.packet_status = 0 |
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self.transmit_attempt = 0 |
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timeout = TimeOut(self.response_timeout * 20) |
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while self.packet_status == 0: |
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try: |
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if timeout.timedout(): |
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return |
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self.port.write(self.packet_transit) |
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if send_and_forget: |
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self.packet_status = 1 |
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else: |
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self.await_response_ascii() |
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except ReadTimeout: |
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self.errors += 1 |
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#print("Packetloss detected..") |
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except serial.serialutil.SerialException: |
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return |
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self.packet_transit = None |
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|
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def await_response_ascii(self): |
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timeout = TimeOut(self.response_timeout) |
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while not len(self.responses): |
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time.sleep(0.00001) |
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if timeout.timedout(): |
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raise ReadTimeout() |
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token, data = self.responses.popleft() |
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self.packet_status = 1 |
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|
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def corrupt_array(self, data): |
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rid = random.randint(0, len(data) - 1) |
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data[rid] ^= 0xAA |
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return data |
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|
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def transmit_packet(self, packet): |
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packet = bytearray(packet) |
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if(self.simulate_errors > 0 and random.random() > (1.0 - self.simulate_errors)): |
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if random.random() > 0.9: |
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#random data drop |
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start = random.randint(0, len(packet)) |
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end = start + random.randint(1, 10) |
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packet = packet[:start] + packet[end:] |
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#print("Dropping {0} bytes".format(end - start)) |
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else: |
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#random corruption |
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packet = self.corrupt_array(packet) |
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#print("Single byte corruption") |
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self.port.write(packet) |
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self.transmit_attempt += 1 |
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|
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def build_packet(self, protocol, packet_type, data = bytearray()): |
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PACKET_TOKEN = 0xB5AD |
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if len(data) > self.max_block_size: |
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raise PayloadOverflow() |
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packet_buffer = bytearray() |
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|
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packet_buffer += self.pack_int8(self.sync) # 8bit sync id |
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packet_buffer += self.pack_int4_2(protocol, packet_type) # 4 bit protocol id, 4 bit packet type |
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packet_buffer += self.pack_int16(len(data)) # 16bit packet length |
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packet_buffer += self.pack_int16(self.build_checksum(packet_buffer)) # 16bit header checksum |
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if len(data): |
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packet_buffer += data |
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packet_buffer += self.pack_int16(self.build_checksum(packet_buffer)) |
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packet_buffer = self.pack_int16(PACKET_TOKEN) + packet_buffer # 16bit start token, not included in checksum |
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return packet_buffer |
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|
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# checksum 16 fletchers |
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def checksum(self, cs, value): |
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cs_low = (((cs & 0xFF) + value) % 255); |
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return ((((cs >> 8) + cs_low) % 255) << 8) | cs_low; |
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|
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def build_checksum(self, buffer): |
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cs = 0 |
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for b in buffer: |
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cs = self.checksum(cs, b) |
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return cs |
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|
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def pack_int32(self, value): |
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return value.to_bytes(4, byteorder='little') |
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def pack_int16(self, value): |
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return value.to_bytes(2, byteorder='little') |
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def pack_int8(self, value): |
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return value.to_bytes(1, byteorder='little') |
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def pack_int4_2(self, vh, vl): |
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value = ((vh & 0xF) << 4) | (vl & 0xF) |
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return value.to_bytes(1, byteorder='little') |
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|
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def connect(self): |
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print("Connecting: Switching Marlin to Binary Protocol...") |
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self.send_ascii("M28B1") |
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self.send(0, 1) |
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|
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def disconnect(self): |
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self.send(0, 2) |
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self.syncronised = False |
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def response_ok(self, data): |
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try: |
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packet_id = int(data); |
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except ValueError: |
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return |
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if packet_id != self.sync: |
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raise SycronisationError() |
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self.sync = (self.sync + 1) % 256 |
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self.packet_status = 1 |
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def response_resend(self, data): |
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packet_id = int(data); |
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self.errors += 1 |
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if not self.syncronised: |
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print("Retrying syncronisation") |
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elif packet_id != self.sync: |
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raise SycronisationError() |
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def response_stream_sync(self, data): |
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sync, max_block_size, protocol_version = data.split(',') |
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self.sync = int(sync) |
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self.max_block_size = int(max_block_size) |
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self.block_size = self.max_block_size if self.max_block_size < self.block_size else self.block_size |
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self.protocol_version = protocol_version |
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self.packet_status = 1 |
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self.syncronised = True |
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print("Connection synced [{0}], binary protocol version {1}, {2} byte payload buffer".format(self.sync, self.protocol_version, self.max_block_size)) |
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def response_fatal_error(self, data): |
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raise FatalError() |
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class FileTransferProtocol(object): |
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protocol_id = 1 |
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class Packet(object): |
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QUERY = 0 |
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OPEN = 1 |
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CLOSE = 2 |
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WRITE = 3 |
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ABORT = 4 |
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responses = deque() |
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def __init__(self, protocol, timeout = None): |
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protocol.register(['PFT:success', 'PFT:version:', 'PFT:fail', 'PFT:busy', 'PFT:ioerror', 'PTF:invalid'], self.process_input) |
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self.protocol = protocol |
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self.response_timeout = timeout or protocol.response_timeout |
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def process_input(self, data): |
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#print(data) |
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self.responses.append(data) |
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def await_response(self, timeout = None): |
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timeout = TimeOut(timeout or self.response_timeout) |
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while not len(self.responses): |
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time.sleep(0.0001) |
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if timeout.timedout(): |
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raise ReadTimeout() |
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return self.responses.popleft() |
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def connect(self): |
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self.protocol.send(FileTransferProtocol.protocol_id, FileTransferProtocol.Packet.QUERY); |
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token, data = self.await_response() |
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if token != 'PFT:version:': |
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return False |
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self.version, _, compression = data.split(':') |
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if compression != 'none': |
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algorithm, window, lookahead = compression.split(',') |
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self.compression = {'algorithm': algorithm, 'window': int(window), 'lookahead': int(lookahead)} |
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else: |
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self.compression = {'algorithm': 'none'} |
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print("File Transfer version: {0}, compression: {1}".format(self.version, self.compression['algorithm'])) |
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def open(self, filename, compression, dummy): |
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payload = b'\1' if dummy else b'\0' # dummy transfer |
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payload += b'\1' if compression else b'\0' # payload compression |
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payload += bytearray(filename, 'utf8') + b'\0'# target filename + null terminator |
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timeout = TimeOut(5000) |
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token = None |
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self.protocol.send(FileTransferProtocol.protocol_id, FileTransferProtocol.Packet.OPEN, payload); |
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while token != 'PFT:success' and not timeout.timedout(): |
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try: |
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token, data = self.await_response(1000) |
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if token == 'PFT:success': |
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print(filename,"opened") |
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return |
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elif token == 'PFT:busy': |
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print("Broken transfer detected, purging") |
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self.abort() |
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time.sleep(0.1) |
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self.protocol.send(FileTransferProtocol.protocol_id, FileTransferProtocol.Packet.OPEN, payload); |
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timeout.reset() |
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elif token == 'PFT:fail': |
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raise Exception("Can not open file on client") |
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except ReadTimeout: |
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pass |
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raise ReadTimeout() |
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|
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def write(self, data): |
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self.protocol.send(FileTransferProtocol.protocol_id, FileTransferProtocol.Packet.WRITE, data); |
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def close(self): |
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self.protocol.send(FileTransferProtocol.protocol_id, FileTransferProtocol.Packet.CLOSE); |
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token, data = self.await_response(1000) |
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if token == 'PFT:success': |
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print("File closed") |
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return |
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elif token == 'PFT:ioerror': |
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print("Client storage device IO error") |
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elif token == 'PFT:invalid': |
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print("No open file") |
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def abort(self): |
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self.protocol.send(FileTransferProtocol.protocol_id, FileTransferProtocol.Packet.ABORT); |
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token, data = self.await_response() |
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if token == 'PFT:success': |
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print("Transfer Aborted") |
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def copy(self, filename, dest_filename, compression, dummy): |
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self.connect() |
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compression_support = heatshrink_exists and self.compression['algorithm'] == 'heatshrink' and compression |
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if compression and (not heatshrink_exists or not self.compression['algorithm'] == 'heatshrink'): |
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print("Compression not supported by client") |
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#compression_support = False |
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data = open(filename, "rb").read() |
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filesize = len(data) |
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self.open(dest_filename, compression_support, dummy) |
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block_size = self.protocol.block_size |
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if compression_support: |
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data = heatshrink.encode(data, window_sz2=self.compression['window'], lookahead_sz2=self.compression['lookahead']) |
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cratio = filesize / len(data) |
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blocks = math.floor((len(data) + block_size - 1) / block_size) |
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kibs = 0 |
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dump_pctg = 0 |
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start_time = millis() |
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for i in range(blocks): |
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start = block_size * i |
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end = start + block_size |
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self.write(data[start:end]) |
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kibs = (( (i+1) * block_size) / 1024) / (millis() + 1 - start_time) * 1000 |
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if (i / blocks) >= dump_pctg: |
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print("\r{0:2.2f}% {1:4.2f}KiB/s {2} Errors: {3}".format((i / blocks) * 100, kibs, "[{0:4.2f}KiB/s]".format(kibs * cratio) if compression_support else "", self.protocol.errors), end='') |
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dump_pctg += 0.1 |
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print("\r{0:2.2f}% {1:4.2f}KiB/s {2} Errors: {3}".format(100, kibs, "[{0:4.2f}KiB/s]".format(kibs * cratio) if compression_support else "", self.protocol.errors)) # no one likes transfers finishing at 99.8% |
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self.close() |
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print("Transfer complete") |
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|
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class EchoProtocol(object): |
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def __init__(self, protocol): |
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protocol.register(['echo:'], self.process_input) |
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self.protocol = protocol |
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|
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def process_input(self, data): |
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print(data) |
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@ -0,0 +1,274 @@ |
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import argparse |
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import sys |
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import os |
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import time |
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import random |
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import serial |
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|
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Import("env") |
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|
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# Needed (only) for compression, but there are problems with pip install heatshrink |
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#try: |
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# import heatshrink |
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#except ImportError: |
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# # Install heatshrink |
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# print("Installing 'heatshrink' python module...") |
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# env.Execute(env.subst("$PYTHONEXE -m pip install heatshrink")) |
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# |
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# Not tested: If it's safe to install python libraries in PIO python try: |
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# env.Execute(env.subst("$PYTHONEXE -m pip install https://github.com/p3p/pyheatshrink/releases/download/0.3.3/pyheatshrink-pip.zip")) |
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|
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import MarlinBinaryProtocol |
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|
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# Internal debug flag |
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Debug = False |
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|
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#-----------------# |
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# Upload Callback # |
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#-----------------# |
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def Upload(source, target, env): |
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|
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#------------------# |
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# Marlin functions # |
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#------------------# |
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def _GetMarlinEnv(marlinEnv, feature): |
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if not marlinEnv: return None |
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return marlinEnv[feature] if feature in marlinEnv else None |
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|
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#----------------# |
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# Port functions # |
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#----------------# |
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def _GetUploadPort(env): |
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if Debug: print('Autodetecting upload port...') |
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env.AutodetectUploadPort(env) |
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port = env.subst('$UPLOAD_PORT') |
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if not port: |
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raise Exception('Error detecting the upload port.') |
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if Debug: print('OK') |
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return port |
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|
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#-------------------------# |
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# Simple serial functions # |
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#-------------------------# |
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def _Send(data): |
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if Debug: print(f'>> {data}') |
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strdata = bytearray(data, 'utf8') + b'\n' |
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port.write(strdata) |
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time.sleep(0.010) |
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|
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def _Recv(): |
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clean_responses = [] |
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responses = port.readlines() |
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for Resp in responses: |
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# Test: suppress invaid chars (coming from debug info) |
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try: |
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clean_response = Resp.decode('utf8').rstrip().lstrip() |
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clean_responses.append(clean_response) |
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except: |
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pass |
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if Debug: print(f'<< {clean_response}') |
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return clean_responses |
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|
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#------------------# |
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# SDCard functions # |
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#------------------# |
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def _CheckSDCard(): |
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if Debug: print('Checking SD card...') |
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_Send('M21') |
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Responses = _Recv() |
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if len(Responses) < 1 or not any('SD card ok' in r for r in Responses): |
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raise Exception('Error accessing SD card') |
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if Debug: print('SD Card OK') |
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return True |
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|
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#----------------# |
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# File functions # |
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#----------------# |
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def _GetFirmwareFiles(): |
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if Debug: print('Get firmware files...') |
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_Send('M20 F') |
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Responses = _Recv() |
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if len(Responses) < 3 or not any('file list' in r for r in Responses): |
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raise Exception('Error getting firmware files') |
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if Debug: print('OK') |
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return Responses |
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|
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def _FilterFirmwareFiles(FirmwareList): |
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Firmwares = [] |
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for FWFile in FirmwareList: |
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if not '/' in FWFile and '.BIN' in FWFile: |
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idx = FWFile.index('.BIN') |
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Firmwares.append(FWFile[:idx+4]) |
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return Firmwares |
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|
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def _RemoveFirmwareFile(FirmwareFile): |
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_Send(f'M30 /{FirmwareFile}') |
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Responses = _Recv() |
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Removed = len(Responses) >= 1 and any('File deleted' in r for r in Responses) |
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if not Removed: |
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raise Exception(f"Firmware file '{FirmwareFile}' not removed") |
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return Removed |
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|
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|
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#---------------------# |
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# Callback Entrypoint # |
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#---------------------# |
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port = None |
|||
protocol = None |
|||
filetransfer = None |
|||
|
|||
# Get Marlin evironment vars |
|||
MarlinEnv = env['MARLIN_FEATURES'] |
|||
marlin_pioenv = _GetMarlinEnv(MarlinEnv, 'PIOENV') |
|||
marlin_motherboard = _GetMarlinEnv(MarlinEnv, 'MOTHERBOARD') |
|||
marlin_board_info_name = _GetMarlinEnv(MarlinEnv, 'BOARD_INFO_NAME') |
|||
marlin_board_custom_build_flags = _GetMarlinEnv(MarlinEnv, 'BOARD_CUSTOM_BUILD_FLAGS') |
|||
marlin_firmware_bin = _GetMarlinEnv(MarlinEnv, 'FIRMWARE_BIN') |
|||
marlin_custom_firmware_upload = _GetMarlinEnv(MarlinEnv, 'CUSTOM_FIRMWARE_UPLOAD') is not None |
|||
marlin_short_build_version = _GetMarlinEnv(MarlinEnv, 'SHORT_BUILD_VERSION') |
|||
marlin_string_config_h_author = _GetMarlinEnv(MarlinEnv, 'STRING_CONFIG_H_AUTHOR') |
|||
|
|||
# Get firmware upload params |
|||
upload_firmware_source_name = str(source[0]) # Source firmware filename |
|||
upload_speed = env['UPLOAD_SPEED'] if 'UPLOAD_SPEED' in env else 115200 |
|||
# baud rate of serial connection |
|||
upload_port = _GetUploadPort(env) # Serial port to use |
|||
|
|||
# Set local upload params |
|||
upload_firmware_target_name = os.path.basename(upload_firmware_source_name) # WARNING! Need rework on "binary_stream" to allow filename > 8.3 |
|||
# Target firmware filename |
|||
upload_timeout = 1000 # Communication timout, lossy/slow connections need higher values |
|||
upload_blocksize = 512 # Transfer block size. 512 = Autodetect |
|||
upload_compression = True # Enable compression |
|||
upload_error_ratio = 0 # Simulated corruption ratio |
|||
upload_test = False # Benchmark the serial link without storing the file |
|||
upload_reset = True # Trigger a soft reset for firmware update after the upload |
|||
|
|||
# Set local upload params based on board type to change script behavior |
|||
# "upload_delete_old_bins": delete all *.bin files in the root of SD Card |
|||
upload_delete_old_bins = marlin_motherboard in ['BOARD_CREALITY_V4', 'BOARD_CREALITY_V4210', 'BOARD_CREALITY_V423', 'BOARD_CREALITY_V427', |
|||
'BOARD_CREALITY_V431', 'BOARD_CREALITY_V452', 'BOARD_CREALITY_V453', 'BOARD_CREALITY_V24S1'] |
|||
try: |
|||
|
|||
# Start upload job |
|||
print(f"Uploading firmware '{os.path.basename(upload_firmware_target_name)}' to '{marlin_motherboard}' via '{upload_port}'") |
|||
|
|||
# Dump some debug info |
|||
if Debug: |
|||
print('Upload using:') |
|||
print('---- Marlin --------------------') |
|||
print(f' PIOENV : {marlin_pioenv}') |
|||
print(f' SHORT_BUILD_VERSION : {marlin_short_build_version}') |
|||
print(f' STRING_CONFIG_H_AUTHOR : {marlin_string_config_h_author}') |
|||
print(f' MOTHERBOARD : {marlin_motherboard}') |
|||
print(f' BOARD_INFO_NAME : {marlin_board_info_name}') |
|||
print(f' CUSTOM_BUILD_FLAGS : {marlin_board_custom_build_flags}') |
|||
print(f' FIRMWARE_BIN : {marlin_firmware_bin}') |
|||
print(f' CUSTOM_FIRMWARE_UPLOAD : {marlin_custom_firmware_upload}') |
|||
print('---- Upload parameters ---------') |
|||
print(f' Source : {upload_firmware_source_name}') |
|||
print(f' Target : {upload_firmware_target_name}') |
|||
print(f' Port : {upload_port} @ {upload_speed} baudrate') |
|||
print(f' Timeout : {upload_timeout}') |
|||
print(f' Block size : {upload_blocksize}') |
|||
print(f' Compression : {upload_compression}') |
|||
print(f' Error ratio : {upload_error_ratio}') |
|||
print(f' Test : {upload_test}') |
|||
print(f' Reset : {upload_reset}') |
|||
print('--------------------------------') |
|||
|
|||
# Custom implementations based on board parameters |
|||
|
|||
# Delete all *.bin files on the root of SD Card (if flagged) |
|||
if upload_delete_old_bins: |
|||
# CUSTOM_FIRMWARE_UPLOAD is needed for this feature |
|||
if not marlin_custom_firmware_upload: |
|||
raise Exception(f"CUSTOM_FIRMWARE_UPLOAD must be enabled in 'Configuration_adv.h' for '{marlin_motherboard}'") |
|||
|
|||
# Generate a new 8.3 random filename |
|||
# This board remember the last firmware filename and doesn't allow to flash from that filename |
|||
upload_firmware_target_name = f"fw-{''.join(random.choices('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', k=5))}.BIN" |
|||
print(f"Board {marlin_motherboard}: Overriding firmware filename to '{upload_firmware_target_name}'") |
|||
|
|||
# Init serial port |
|||
port = serial.Serial(upload_port, baudrate = upload_speed, write_timeout = 0, timeout = 0.1) |
|||
port.reset_input_buffer() |
|||
|
|||
# Check SD card status |
|||
_CheckSDCard() |
|||
|
|||
# Get firmware files |
|||
FirmwareFiles = _GetFirmwareFiles() |
|||
if Debug: |
|||
for FirmwareFile in FirmwareFiles: |
|||
print(f'Found: {FirmwareFile}') |
|||
|
|||
# Get all 1st level firmware files (to remove) |
|||
OldFirmwareFiles = _FilterFirmwareFiles(FirmwareFiles[1:len(FirmwareFiles)-2]) # Skip header and footers of list |
|||
if len(OldFirmwareFiles) == 0: |
|||
print('No old firmware files to delete') |
|||
else: |
|||
print(f"Remove {len(OldFirmwareFiles)} old firmware file{'s' if len(OldFirmwareFiles) != 1 else ''}:") |
|||
for OldFirmwareFile in OldFirmwareFiles: |
|||
print(f" -Removing- '{OldFirmwareFile}'...") |
|||
print(' OK' if _RemoveFirmwareFile(OldFirmwareFile) else ' Error!') |
|||
|
|||
# Close serial |
|||
port.close() |
|||
|
|||
# Cleanup completed |
|||
if Debug: print('Cleanup completed') |
|||
|
|||
# WARNING! The serial port must be closed here because the serial transfer that follow needs it! |
|||
|
|||
# Upload firmware file |
|||
if Debug: print(f"Copy '{upload_firmware_source_name}' --> '{upload_firmware_target_name}'") |
|||
protocol = MarlinBinaryProtocol.Protocol(upload_port, upload_speed, upload_blocksize, float(upload_error_ratio), int(upload_timeout)) |
|||
#echologger = MarlinBinaryProtocol.EchoProtocol(protocol) |
|||
protocol.connect() |
|||
filetransfer = MarlinBinaryProtocol.FileTransferProtocol(protocol) |
|||
filetransfer.copy(upload_firmware_source_name, upload_firmware_target_name, upload_compression, upload_test) |
|||
protocol.disconnect() |
|||
|
|||
# Notify upload completed |
|||
protocol.send_ascii('M117 Firmware uploaded') |
|||
|
|||
# Remount SD card |
|||
print('Wait for SD card release...') |
|||
time.sleep(1) |
|||
print('Remount SD card') |
|||
protocol.send_ascii('M21') |
|||
|
|||
# Trigger firmware update |
|||
if upload_reset: |
|||
print('Trigger firmware update...') |
|||
protocol.send_ascii('M997', True) |
|||
|
|||
protocol: protocol.shutdown() |
|||
print('Firmware update completed') |
|||
|
|||
except KeyboardInterrupt: |
|||
if port: port.close() |
|||
if filetransfer: filetransfer.abort() |
|||
if protocol: protocol.shutdown() |
|||
raise |
|||
|
|||
except serial.SerialException as se: |
|||
if port: port.close() |
|||
print(f'Serial excepion: {se}') |
|||
raise Exception(se) |
|||
|
|||
except MarlinBinaryProtocol.FatalError: |
|||
if port: port.close() |
|||
if protocol: protocol.shutdown() |
|||
print('Too many retries, Abort') |
|||
raise |
|||
|
|||
except: |
|||
if port: port.close() |
|||
if protocol: protocol.shutdown() |
|||
print('Firmware not updated') |
|||
raise |
|||
|
|||
# Attach custom upload callback |
|||
env.Replace(UPLOADCMD=Upload) |
|||
Loading…
Reference in new issue