🔨 Abort firmware update on transfer error (#24472, #24499)

This commit is contained in:
GHGiampy
2022-07-14 03:25:35 +02:00
committed by Scott Lahteine
parent efe04e1016
commit e840015cad
2 changed files with 111 additions and 42 deletions

View File

@ -20,14 +20,18 @@ Import("env")
import MarlinBinaryProtocol
# Internal debug flag
Debug = False
#-----------------#
# Upload Callback #
#-----------------#
def Upload(source, target, env):
#-------#
# Debug #
#-------#
Debug = False # Set to True to enable script debug
def debugPrint(data):
if Debug: print(f"[Debug]: {data}")
#------------------#
# Marlin functions #
#------------------#
@ -39,19 +43,35 @@ def Upload(source, target, env):
# Port functions #
#----------------#
def _GetUploadPort(env):
if Debug: print('Autodetecting upload port...')
debugPrint('Autodetecting upload port...')
env.AutodetectUploadPort(env)
port = env.subst('$UPLOAD_PORT')
if not port:
portName = env.subst('$UPLOAD_PORT')
if not portName:
raise Exception('Error detecting the upload port.')
if Debug: print('OK')
return port
debugPrint('OK')
return portName
#-------------------------#
# Simple serial functions #
#-------------------------#
def _OpenPort():
# Open serial port
if port.is_open: return
debugPrint('Opening upload port...')
port.open()
port.reset_input_buffer()
debugPrint('OK')
def _ClosePort():
# Open serial port
if port is None: return
if not port.is_open: return
debugPrint('Closing upload port...')
port.close()
debugPrint('OK')
def _Send(data):
if Debug: print(f'>> {data}')
debugPrint(f'>> {data}')
strdata = bytearray(data, 'utf8') + b'\n'
port.write(strdata)
time.sleep(0.010)
@ -60,37 +80,37 @@ def Upload(source, target, env):
clean_responses = []
responses = port.readlines()
for Resp in responses:
# Test: suppress invaid chars (coming from debug info)
# Suppress invalid chars (coming from debug info)
try:
clean_response = Resp.decode('utf8').rstrip().lstrip()
clean_responses.append(clean_response)
debugPrint(f'<< {clean_response}')
except:
pass
if Debug: print(f'<< {clean_response}')
return clean_responses
#------------------#
# SDCard functions #
#------------------#
def _CheckSDCard():
if Debug: print('Checking SD card...')
debugPrint('Checking SD card...')
_Send('M21')
Responses = _Recv()
if len(Responses) < 1 or not any('SD card ok' in r for r in Responses):
raise Exception('Error accessing SD card')
if Debug: print('SD Card OK')
debugPrint('SD Card OK')
return True
#----------------#
# File functions #
#----------------#
def _GetFirmwareFiles(UseLongFilenames):
if Debug: print('Get firmware files...')
debugPrint('Get firmware files...')
_Send(f"M20 F{'L' if UseLongFilenames else ''}")
Responses = _Recv()
if len(Responses) < 3 or not any('file list' in r for r in Responses):
raise Exception('Error getting firmware files')
if Debug: print('OK')
debugPrint('OK')
return Responses
def _FilterFirmwareFiles(FirmwareList, UseLongFilenames):
@ -114,6 +134,17 @@ def Upload(source, target, env):
raise Exception(f"Firmware file '{FirmwareFile}' not removed")
return Removed
def _RollbackUpload(FirmwareFile):
if not rollback: return
print(f"Rollback: trying to delete firmware '{FirmwareFile}'...")
_OpenPort()
# Wait for SD card release
time.sleep(1)
# Remount SD card
_CheckSDCard()
print(' OK' if _RemoveFirmwareFile(FirmwareFile) else ' Error!')
_ClosePort()
#---------------------#
# Callback Entrypoint #
@ -121,6 +152,7 @@ def Upload(source, target, env):
port = None
protocol = None
filetransfer = None
rollback = False
# Get Marlin evironment vars
MarlinEnv = env['MARLIN_FEATURES']
@ -204,9 +236,9 @@ def Upload(source, target, env):
if not marlin_custom_firmware_upload:
raise Exception(f"CUSTOM_FIRMWARE_UPLOAD must be enabled in 'Configuration_adv.h' for '{marlin_motherboard}'")
# Init serial port
# Init & Open serial port
port = serial.Serial(upload_port, baudrate = upload_speed, write_timeout = 0, timeout = 0.1)
port.reset_input_buffer()
_OpenPort()
# Check SD card status
_CheckSDCard()
@ -228,24 +260,26 @@ def Upload(source, target, env):
print(' OK' if _RemoveFirmwareFile(OldFirmwareFile) else ' Error!')
# Close serial
port.close()
_ClosePort()
# Cleanup completed
if Debug: print('Cleanup completed')
debugPrint('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}'")
debugPrint(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()
# Mark the rollback (delete broken transfer) from this point on
rollback = True
filetransfer = MarlinBinaryProtocol.FileTransferProtocol(protocol)
filetransfer.copy(upload_firmware_source_name, upload_firmware_target_name, upload_compression, upload_test)
transferOK = 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')
protocol.send_ascii('M117 Firmware uploaded' if transferOK else 'M117 Firmware upload failed')
# Remount SD card
print('Wait for SD card release...')
@ -253,34 +287,56 @@ def Upload(source, target, env):
print('Remount SD card')
protocol.send_ascii('M21')
# Trigger firmware update
if upload_reset:
print('Trigger firmware update...')
protocol.send_ascii('M997', True)
# Transfer failed?
if not transferOK:
protocol.shutdown()
_RollbackUpload(upload_firmware_target_name)
else:
# Trigger firmware update
if upload_reset:
print('Trigger firmware update...')
protocol.send_ascii('M997', True)
protocol.shutdown()
protocol.shutdown()
print('Firmware update completed')
print('Firmware update completed' if transferOK else 'Firmware update failed')
return 0 if transferOK else -1
except KeyboardInterrupt:
if port: port.close()
print('Aborted by user')
if filetransfer: filetransfer.abort()
if protocol: protocol.shutdown()
if protocol:
protocol.disconnect()
protocol.shutdown()
_RollbackUpload(upload_firmware_target_name)
_ClosePort()
raise
except serial.SerialException as se:
if port: port.close()
print(f'Serial excepion: {se}')
# This exception is raised only for send_ascii data (not for binary transfer)
print(f'Serial excepion: {se}, transfer aborted')
if protocol:
protocol.disconnect()
protocol.shutdown()
_RollbackUpload(upload_firmware_target_name)
_ClosePort()
raise Exception(se)
except MarlinBinaryProtocol.FatalError:
if port: port.close()
if protocol: protocol.shutdown()
print('Too many retries, Abort')
print('Too many retries, transfer aborted')
if protocol:
protocol.disconnect()
protocol.shutdown()
_RollbackUpload(upload_firmware_target_name)
_ClosePort()
raise
except:
if port: port.close()
if protocol: protocol.shutdown()
except Exception as ex:
print(f"\nException: {ex}, transfer aborted")
if protocol:
protocol.disconnect()
protocol.shutdown()
_RollbackUpload(upload_firmware_target_name)
_ClosePort()
print('Firmware not updated')
raise