def checkSerialPort(portName, serialPort):
returnValue = serialPort
try:
serialPort.write(' ')
except serial.serialutil.SerialException, inst:
errorMessage((' '.join(repr(a) for a in inst.args) + '\n'))
infoMessage('Write to serial port failed: please try a different USB port or a USB hub 1.1\n')
returnValue = None
def checkSerialPort(portName, serialPort):
returnValue = serialPort
try:
serialPort.write(' ')
except serial.serialutil.SerialException, inst:
errorMessage((' '.join(repr(a) for a in inst.args) + '\n'))
infoMessage('Write to serial port failed: please try a different USB port or a USB hub 1.1\n')
returnValue = None
def flashImage (interface, inputFile, startAddress, doErase=True):
def progressReport(size, fileSize):
infoMessage ("Programming %05d/%05d\r"%(size,fileSize))
infoMessage ("Programming user flash\n")
if not interface.programUserFlash(inputFile, startAddress, progressReport, doErase):
infoMessage("Failed \n")
else:
infoMessage("Done \n")
def verifyFlashImage(interface, inputFile, startAddress):
def progressReport(size, fileSize):
infoMessage("Verifying %05d/%05d\r" % (size, fileSize))
infoMessage("Verifying user flash\n")
if not interface.verifyFlash(inputFile, startAddress, progressReport):
infoMessage("Failed \n")
else:
infoMessage("Done \n")
def resetDevice(interface):
infoMessage("Resetting device\n")
returnValue = not interface.startApplication(0)
if (returnValue):
infoMessage("Failed \n")
else:
infoMessage("Done \n")
def verifyFlashImage(interface, inputFile, startAddress):
def progressReport(size, fileSize):
infoMessage("Verifying %05d/%05d\r" % (size, fileSize))
infoMessage("Verifying user flash\n")
if not interface.verifyFlash(inputFile, startAddress, progressReport):
infoMessage("Failed \n")
else:
infoMessage("Done \n")
def resetDevice(interface):
infoMessage("Resetting device\n")
returnValue = not interface.startApplication(0)
if returnValue:
infoMessage("Failed \n")
else:
infoMessage("Done \n")
def flashImage(interface, inputFile, startAddress, doErase=True):
def progressReport(size, fileSize):
infoMessage("Programming %05d/%05d\r" % (size, fileSize))
infoMessage("Programming user flash\n")
if not interface.programUserFlash(inputFile, startAddress, progressReport,
doErase):
infoMessage("Failed \n")
else:
infoMessage("Done \n")
def bootloaderInit(self):
returnValue = True
if (returnValue and self.serialMode):
reply = None
if self.verbose:
infoMessage('Sending byte 7f\n')
self.serialPort.write(struct.pack('B', 127))
startTime = time.time()
while (self.serialPort.inWaiting() == 0
and (time.time() - startTime) < 1):
continue
r = self.serialPort.read(1)
if r:
reply = struct.unpack(('B' * len(r)), r)
else:
reply = None
if self.verbose:
infoMessage(("Reply received '%s'\n" % hexString(reply)))
if reply == None:
errorMessage('No reply received\n')
returnValue = False
else:
if (reply[0]) != ACK:
errorMessage(('Unexpected reply %s\n' % hexString(reply)))
returnValue = False
if returnValue:
reply = self.sendCommand('GET', [], 2)
if (len(reply) < 4 or ((reply[0]) != ACK or (reply[-1]) != ACK)):
errorMessage(('Unexpected reply %s\n' % hexString(reply)))
returnValue = False
else:
if self.verbose:
infoMessage(
('Bootloader version %d.%d\n' % (((reply[2]) & 15),
((reply[2]) >> 4))))
if returnValue:
reply = self.sendCommand('GET_ID')
if (len(reply) == 0 or ((reply[0]) != ACK or (reply[-1]) != ACK)):
errorMessage(('Unexpected reply %s\n' % hexString(reply)))
returnValue = False
else:
if self.verbose:
infoMessage((('Product ID = 0x' + ''.join(
('%02X' % a) for a in reply[2:-1])) + '\n'))
return returnValue
def bootloaderInit(self):
returnValue = True
if (returnValue and self.serialMode):
reply = None
if self.verbose:
infoMessage('Sending byte 7f\n')
self.serialPort.write(struct.pack('B', 127))
startTime = time.time()
while (self.serialPort.inWaiting() == 0 and (time.time() - startTime) < 1):
continue
r = self.serialPort.read(1)
if r:
reply = struct.unpack(('B' * len(r)), r)
else:
reply = None
if self.verbose:
infoMessage(("Reply received '%s'\n" % hexString(reply)))
if reply == None:
errorMessage('No reply received\n')
returnValue = False
else:
if (reply[0]) != ACK:
errorMessage(('Unexpected reply %s\n' % hexString(reply)))
returnValue = False
if returnValue:
reply = self.sendCommand('GET', [], 2)
if (len(reply) < 4 or ((reply[0]) != ACK or (reply[-1]) != ACK)):
errorMessage(('Unexpected reply %s\n' % hexString(reply)))
returnValue = False
else:
if self.verbose:
infoMessage(('Bootloader version %d.%d\n' % (((reply[2]) & 15), ((reply[2]) >> 4))))
if returnValue:
reply = self.sendCommand('GET_ID')
if (len(reply) == 0 or ((reply[0]) != ACK or (reply[-1]) != ACK)):
errorMessage(('Unexpected reply %s\n' % hexString(reply)))
returnValue = False
else:
if self.verbose:
infoMessage((('Product ID = 0x' + ''.join(('%02X' % a) for a in reply[2:-1])) + '\n'))
return returnValue
def printBanner():
infoMessage("STM32W flasher utility version %s\n" % version)
def eraseUserFlash(interface):
infoMessage("Erasing user flash (mass erase)\n")
if not interface.eraseUserFlash():
infoMessage("Failed \n")
else:
infoMessage("Done \n")
def startApplication(interface, startAddress):
infoMessage("Starting application from address: %08x\n" % startAddress)
if not interface.startApplication(startAddress):
infoMessage("Failed \n")
else:
infoMessage("Done \n")
def eraseUserFlash(interface):
infoMessage("Erasing user flash (mass erase)\n")
if not interface.eraseUserFlash():
infoMessage("Failed \n")
else:
infoMessage("Done \n")
def reset(self, bootloader=False, checkSTM32FFirmware=True):
returnValue = 0
if self.portType == 'FTDI':
self.portHandle.reset(bootloader)
else:
if self.portType == 'STM32':
returnValue = self.portHandle.open()
if checkSTM32FFirmware:
if returnValue == 0:
firmwareVersionCurrent = self.portHandle.getFirmwareVersionFromFile(
stringMode=False)
if returnValue == 0:
firmwareType = self.portHandle.getFirmwareType()
if (firmwareType is None or
(firmwareType != self.portHandle.BL_RUNNING
and firmwareType != self.portHandle.APP_RUNNING)):
errorMessage(
'Failed to get firmware type: Invalid reply\n')
returnValue = 1
if returnValue == 0:
firmwareVersion = self.portHandle.getFirmwareVersion()
if firmwareVersion is None:
errorMessage(
'Failed to get firmware version:Invalid reply\n'
)
returnValue = 1
else:
if (firmwareVersion & 4278190080L):
firmwareVersion = self.portHandle.FIRMWARE_VERSION_NONE
if returnValue == 0:
bootloaderFirmwareVersion = self.portHandle.getBootloaderFirmwareVersion(
)
if bootloaderFirmwareVersion is None:
errorMessage(
'Failed to get bootloader firmware version:Invalid reply\n'
)
returnValue = 1
if bootloaderFirmwareVersion == self.portHandle.FIRMWARE_VERSION_NONE:
self.portHandle.bootloaderPort = self.portHandle.mapSTMCompositeComPortToBootloaderCOMPort(
self.portHandle.port)
if returnValue == 0:
if (firmwareType == self.portHandle.BL_RUNNING and
(firmwareVersion !=
self.portHandle.FIRMWARE_VERSION_NONE
and firmwareVersion >= firmwareVersionCurrent)):
if bootloaderFirmwareVersion == self.portHandle.FIRMWARE_VERSION_NONE:
errorMessage(
'Please unplug and replug the board to the PC\n'
)
returnValue = 2
else:
result = self.portHandle.runFirmware()
if result is not self.portHandle.OK:
errorMessage(
'Failed to run firmware: Invalid reply\n'
)
returnValue = 1
if returnValue == 0:
if (firmwareVersion
== self.portHandle.FIRMWARE_VERSION_NONE
or firmwareVersion < firmwareVersionCurrent):
if firmwareVersion == self.portHandle.FIRMWARE_VERSION_NONE:
infoMessage((
'Missing STM32F103 firmware, upgrading to version %s\n'
%
self.portHandle.getFirmwareVersionFromFile(
stringMode=True)))
else:
infoMessage((
'Old STM32F103 firmware version %s, upgrading to version %s\n'
% (self.portHandle.versionInStringFormat(
firmwareVersion),
self.portHandle.
getFirmwareVersionFromFile(
stringMode=True))))
warningMessage(
'Changing firmware version can break backward compatibility and older version of stm32w_flasher may not work\n'
)
if self.portHandle.upgradeFirmwareVersion():
if ((firmwareVersion
== self.portHandle.FIRMWARE_VERSION_NONE
or firmwareVersion < 131072)
and firmwareVersionCurrent >= 131072):
errorMessage((
'Switching to firmware %s may change your COM port number, please unplug and replug your USB device and re-run this command again\n'
% self.portHandle.
getFirmwareVersionFromFile(
stringMode=True)))
returnValue = 2
else:
result = self.portHandle.runFirmware()
if result is not self.portHandle.OK:
errorMessage(
'Failed to run firmware: Invalid reply\n'
)
returnValue = 1
else:
errorMessage(
'Failed to upgrade firmware version: Invalid reply\n'
)
returnValue = 1
if returnValue == 0:
firmwareVersion = self.portHandle.getFirmwareVersion()
if firmwareVersion is None:
errorMessage('Invalid reply\n')
returnValue = 1
if returnValue == 0:
if firmwareVersion >= 131076:
if self.portHandle.isBootloaderFirmwareVersionOld(
):
infoMessage(
'Upgrading STM32F Bootloader firmware\n')
if self.portHandle.upgradeBootloaderFirmwareVersion(
):
pass
else:
errorMessage(
'Upgrade of the STM32F bootloader failed. This is a CRITICAL error and your board may brick your board\n'
)
returnValue = 1
if returnValue == 0:
if firmwareVersion > firmwareVersionCurrent:
warningMessage(
'Device firmware is more recent than expected. Are you using an old version of this software ?\n'
)
if returnValue == 0:
result = self.portHandle.reset(bootloader)
if result is None:
errorMessage('Failed to reset STM32W: Invalid reply\n')
returnValue = 1
self.portHandle.close()
else:
errorMessage(
('Failed to detect port type for %s\n' % self.port))
returnValue = 1
return returnValue
if (options.interface != "rs232" and options.interface != "jlink"):
parser.print_help()
sys.exit(-1)
startAddress = int(options.address, 16)
if (options.interface == "rs232"):
optionArg = options.port.upper()
if (optionArg == "AUTO"):
port = getFirstAvailableSerialPort()
if port is None:
errorMessage(
"Unable to find serial port in auto mode: no STM32W boards detected\n"
)
sys.exit(-1)
infoMessage("Auto mode selected serial port: %s\n" % port)
elif (options.port[:4] == "/dev"): ## For Linux
port = options.port
else:
try:
port = int(optionArg)
except ValueError:
errorMessage("Invalid port: %s\n" % options.port)
sys.exit(-1)
else:
port = None
if (options.interface == "jlink"):
errorMessage("JLink not yet supported.\n")
sys.exit(-1)
def verifyFile(self,
inputFile=None,
startAddress=None,
progressReport=None):
if inputFile is not None:
self.inputFile = inputFile
if startAddress is not None:
self.startAddress = startAddress
returnValue = True
f = fileFormatReader(self.inputFile, self.startAddress)
try:
item0, item1 = f.getRawBinary()
self.startAddress = item0
file_content = item1
except IOError:
errorMessage((('File ' + self.inputFile) + ' open failed\n'))
returnValue = False
if returnValue:
file_size = len(file_content)
packet = []
address = self.startAddress
size = 0
errors = 0
while returnValue:
packet = []
packet_size = self.packetSize
packet_string = file_content[size:(size + packet_size)]
packet_size = len(packet_string)
if packet_size == 0:
infoMessage('\n')
break
else:
size = (size + packet_size)
packet.extend(packet_string)
if progressReport:
progressReport(size, file_size)
else:
infoMessage(('Verifying %05d/%05d\r' % (size, file_size)))
arg1 = u32ToArray(address)
arg1.reverse()
reply = self.sendCommand('READ', [arg1, [(len(packet) - 1)]])
if reply[:3] != [ACK, ACK, ACK]:
errorMessage(('\n\nUnexpected reply %s, packet_size=%d\n' %
(repr(reply), packet_size)))
returnValue = False
if len(reply[3:]) != len(packet):
errorMessage((
'Invalid data read, expected length = %d, received bytes = %d\n'
% (len(packet), len(reply[3:]))))
returnValue = False
if (returnValue and reply[3:] != packet):
returnValue = False
infoMessage('Verify failed \n')
infoMessage(
('%-8s: %5s %5s\n' % ('Addr', 'Flash', 'file')))
for i in range(len(packet)):
if (reply[(3 + i)]) != (packet[i]):
infoMessage(
('%08x: %02x %02x\n' % ((address + i),
(reply[(i + 3)]),
(packet[i]))))
errors = (errors + 1)
if errors > 64:
break
else:
continue
else:
continue
address = (address + packet_size)
continue
if returnValue:
if progressReport == None:
infoMessage('Done\n')
return returnValue
def reset(self, bootloader=False, checkSTM32FFirmware=True):
returnValue = 0
if self.portType == 'FTDI':
self.portHandle.reset(bootloader)
else:
if self.portType == 'STM32':
returnValue = self.portHandle.open()
if checkSTM32FFirmware:
if returnValue == 0:
firmwareVersionCurrent = self.portHandle.getFirmwareVersionFromFile(stringMode=False)
if returnValue == 0:
firmwareType = self.portHandle.getFirmwareType()
if (firmwareType is None or (firmwareType != self.portHandle.BL_RUNNING and firmwareType != self.portHandle.APP_RUNNING)):
errorMessage('Failed to get firmware type: Invalid reply\n')
returnValue = 1
if returnValue == 0:
firmwareVersion = self.portHandle.getFirmwareVersion()
if firmwareVersion is None:
errorMessage('Failed to get firmware version:Invalid reply\n')
returnValue = 1
else:
if (firmwareVersion & 4278190080L):
firmwareVersion = self.portHandle.FIRMWARE_VERSION_NONE
if returnValue == 0:
bootloaderFirmwareVersion = self.portHandle.getBootloaderFirmwareVersion()
if bootloaderFirmwareVersion is None:
errorMessage('Failed to get bootloader firmware version:Invalid reply\n')
returnValue = 1
if bootloaderFirmwareVersion == self.portHandle.FIRMWARE_VERSION_NONE:
self.portHandle.bootloaderPort = self.portHandle.mapSTMCompositeComPortToBootloaderCOMPort(self.portHandle.port)
if returnValue == 0:
if (firmwareType == self.portHandle.BL_RUNNING and (firmwareVersion != self.portHandle.FIRMWARE_VERSION_NONE and firmwareVersion >= firmwareVersionCurrent)):
if bootloaderFirmwareVersion == self.portHandle.FIRMWARE_VERSION_NONE:
errorMessage('Please unplug and replug the board to the PC\n')
returnValue = 2
else:
result = self.portHandle.runFirmware()
if result is not self.portHandle.OK:
errorMessage('Failed to run firmware: Invalid reply\n')
returnValue = 1
if returnValue == 0:
if (firmwareVersion == self.portHandle.FIRMWARE_VERSION_NONE or firmwareVersion < firmwareVersionCurrent):
if firmwareVersion == self.portHandle.FIRMWARE_VERSION_NONE:
infoMessage(('Missing STM32F103 firmware, upgrading to version %s\n' % self.portHandle.getFirmwareVersionFromFile(stringMode=True)))
else:
infoMessage(('Old STM32F103 firmware version %s, upgrading to version %s\n' % (self.portHandle.versionInStringFormat(firmwareVersion), self.portHandle.getFirmwareVersionFromFile(stringMode=True))))
warningMessage('Changing firmware version can break backward compatibility and older version of stm32w_flasher may not work\n')
if self.portHandle.upgradeFirmwareVersion():
if ((firmwareVersion == self.portHandle.FIRMWARE_VERSION_NONE or firmwareVersion < 131072) and firmwareVersionCurrent >= 131072):
errorMessage(('Switching to firmware %s may change your COM port number, please unplug and replug your USB device and re-run this command again\n' % self.portHandle.getFirmwareVersionFromFile(stringMode=True)))
returnValue = 2
else:
result = self.portHandle.runFirmware()
if result is not self.portHandle.OK:
errorMessage('Failed to run firmware: Invalid reply\n')
returnValue = 1
else:
errorMessage('Failed to upgrade firmware version: Invalid reply\n')
returnValue = 1
if returnValue == 0:
firmwareVersion = self.portHandle.getFirmwareVersion()
if firmwareVersion is None:
errorMessage('Invalid reply\n')
returnValue = 1
if returnValue == 0:
if firmwareVersion >= 131076:
if self.portHandle.isBootloaderFirmwareVersionOld():
infoMessage('Upgrading STM32F Bootloader firmware\n')
if self.portHandle.upgradeBootloaderFirmwareVersion():
pass
else:
errorMessage('Upgrade of the STM32F bootloader failed. This is a CRITICAL error and your board may brick your board\n')
returnValue = 1
if returnValue == 0:
if firmwareVersion > firmwareVersionCurrent:
warningMessage('Device firmware is more recent than expected. Are you using an old version of this software ?\n')
if returnValue == 0:
result = self.portHandle.reset(bootloader)
if result is None:
errorMessage('Failed to reset STM32W: Invalid reply\n')
returnValue = 1
self.portHandle.close()
else:
errorMessage(('Failed to detect port type for %s\n' % self.port))
returnValue = 1
return returnValue
def loadFile(self, name):
returnValue = True
state = self.STATE_WAITING_CRC16
filename = os.path.basename(name)
startTime = time.time()
try:
f = open(name, 'rb')
infoMessage((('File ' + name) + ' opened\n'))
f.seek(0, 2)
file_size = f.tell()
f.seek(0, 0)
packet_number = 0
loop_counter = 1
size = file_size
retry = 0
packet = []
prevState = self.STATE_READY
while True:
newState = state
if state == self.STATE_WAITING_CRC16:
if self.updateAction:
self.updateAction((file_size - max(size, 0)),
file_size)
data = self.getByte()
if data == self.CRC16:
newState = self.STATE_READY
else:
if state == self.STATE_WAITING_ACK:
if self.updateAction:
self.updateAction((file_size - max(size, 0)),
file_size)
data = self.getByte()
if data is not None:
if data == self.ACK:
if prevState == self.STATE_READY:
retry = 0
if loop_counter > 1:
size = (size - packet_size)
packet_number = ((packet_number + 1) % 256)
loop_counter = (loop_counter + 1)
packet_done = True
if self.updateAction:
self.updateAction(
(file_size - max(size, 0)),
file_size)
else:
infoMessage(
('Sent %05d/%05d\r' %
((file_size - max(size, 0)),
file_size)))
newState = self.STATE_READY
else:
if prevState == self.STATE_SEND_EOT:
newState = self.STATE_SEND_SESSION_DONE
else:
if prevState == self.STATE_SEND_SESSION_DONE:
newState = self.STATE_START_APPLICATION
else:
if data == self.CA:
errorMessage(
'Transaction aborted by client\n')
newState = self.STATE_DONE
else:
if data == self.CRC16:
pass
else:
if prevState == self.STATE_READY:
infoMessage('Retrying\n')
retry = (retry + 1)
if retry > 3:
errorMessage(
'Too many retry exiting\n')
newState = self.STATE_DONE
else:
newState = self.STATE_READY
else:
if state == self.STATE_READY:
if size <= 0:
newState = self.STATE_SEND_EOT
else:
if retry == 0:
packet = []
if loop_counter == 1:
packet.extend(
struct.unpack(
('%uB' % len(filename)),
filename))
packet = (packet + [0])
size_string = ('%d ' % file_size)
packet.extend(
struct.unpack(
('%uB' % len(size_string)),
size_string))
packet_size = self.PACKET_SIZE
else:
packet_size = self.PACKET_1K_SIZE
packet_string = f.read(packet_size)
packet.extend(
struct.unpack(
('%uB' % len(packet_string)),
packet_string))
packet = (packet +
([0] *
(packet_size - len(packet))))
if self.sendYModemPacket(
packet, packet_number):
newState = self.STATE_DONE
else:
newState = self.STATE_WAITING_ACK
else:
if state == self.STATE_SEND_EOT:
if self.updateAction:
self.updateAction(
(file_size - max(size, 0)), file_size)
else:
infoMessage(('Sent %05d/%05d\r' %
((file_size - max(size, 0)),
file_size)))
self.sendByte(self.EOT)
newState = self.STATE_WAITING_ACK
else:
if state == self.STATE_SEND_SESSION_DONE:
self.sendYModemPacket(([0] * 128), 0)
newState = self.STATE_WAITING_ACK
else:
if state == self.STATE_START_APPLICATION:
self.startApplication()
newState = self.STATE_DONE
else:
if state == self.STATE_DONE:
returnValue = False
endTime = time.time()
infoMessage('\nDone\n')
break
else:
errorMessage(
('Unknonw state = %d' % state))
newState = self.STATE_DONE
if state != newState:
prevState = state
state = newState
continue
else:
continue
return returnValue
except:
errorMessage((('File ' + name) + ' open failed\n'))
if self.updateAction:
self.updateAction(0, 0)
return returnValue
def verifyFile(self, inputFile=None, startAddress=None, progressReport=None):
if inputFile is not None:
self.inputFile = inputFile
if startAddress is not None:
self.startAddress = startAddress
returnValue = True
f = fileFormatReader(self.inputFile, self.startAddress)
try:
item0, item1 = f.getRawBinary()
self.startAddress = item0
file_content = item1
except IOError:
errorMessage((('File ' + self.inputFile) + ' open failed\n'))
returnValue = False
if returnValue:
file_size = len(file_content)
packet = []
address = self.startAddress
size = 0
errors = 0
while returnValue:
packet = []
packet_size = self.packetSize
packet_string = file_content[size:(size + packet_size)]
packet_size = len(packet_string)
if packet_size == 0:
infoMessage('\n')
break
else:
size = (size + packet_size)
packet.extend(packet_string)
if progressReport:
progressReport(size, file_size)
else:
infoMessage(('Verifying %05d/%05d\r' % (size, file_size)))
arg1 = u32ToArray(address)
arg1.reverse()
reply = self.sendCommand('READ', [arg1, [(len(packet) - 1)]])
if reply[:3] != [ACK, ACK, ACK]:
errorMessage(('\n\nUnexpected reply %s, packet_size=%d\n' % (repr(reply), packet_size)))
returnValue = False
if len(reply[3:]) != len(packet):
errorMessage(('Invalid data read, expected length = %d, received bytes = %d\n' % (len(packet), len(reply[3:]))))
returnValue = False
if (returnValue and reply[3:] != packet):
returnValue = False
infoMessage('Verify failed \n')
infoMessage(('%-8s: %5s %5s\n' % ('Addr', 'Flash', 'file')))
for i in range(len(packet)):
if (reply[(3 + i)]) != (packet[i]):
infoMessage(('%08x: %02x %02x\n' % ((address + i), (reply[(i + 3)]), (packet[i]))))
errors = (errors + 1)
if errors > 64:
break
else:
continue
else:
continue
address = (address + packet_size)
continue
if returnValue:
if progressReport == None:
infoMessage('Done\n')
return returnValue
def sendCommand(self, command, args=[], timeout=2, traceCommands=False):
def timedRead(port, timeout, serialMode, bytes=1):
reply = []
r = ''
for byte in range(bytes):
startTime = time.time()
r1 = ''
while (time.time() - startTime) < timeout:
r1 = port.read(1)
if len(r1) > 0:
r = (r + r1)
startTime = time.time()
break
else:
if serialMode:
continue
else:
time.sleep(0.001)
continue
if len(r1) == 0:
break
else:
continue
if len(r) > 0:
reply.extend(struct.unpack(('B' * len(r)), r))
return reply
reply = []
error = False
if command in commands:
item0, item1 = (commands[command])
commandID = item0
replyLength = item1
if command == 'READ':
replyLength = (((args[1])[0]) + 4)
else:
error = True
if error:
pass
else:
if traceCommands:
infoMessage(('Sending command: %02x %02x\n' % (commandID, (255 - commandID))))
self.serialPort.write(struct.pack('BB', commandID, (255 - commandID)))
r = timedRead(self.serialPort, timeout, self.serialMode, 1)
reply = (reply + r)
if (len(r) != 1 or (r[0]) != ACK):
error = True
if error:
pass
else:
for arg in args:
arg = (arg + [self.checksum(arg)])
if traceCommands:
infoMessage((('Sending arg:' + ','.join(('%02x' % a) for a in arg)) + '\n'))
self.serialPort.write(struct.pack(('B' * len(arg)), *arg))
r = timedRead(self.serialPort, timeout, self.serialMode, 1)
reply = (reply + r)
if (len(r) != 1 or (r[0]) != ACK):
error = True
break
else:
continue
if ((not error) and len(reply) < replyLength):
reply = (reply + timedRead(self.serialPort, timeout, self.serialMode, (replyLength - len(reply))))
if (command == 'GET' and len(reply) == replyLength):
reply = (reply + timedRead(self.serialPort, timeout, self.serialMode, ((reply[1]) + 2)))
if traceCommands:
infoMessage(('Reply was %s\n' % hexString(reply)))
return reply
def loadFile(self, inputFile=None, startAddress=None, progressReport=None, doErase=True):
if inputFile is not None:
self.inputFile = inputFile
if startAddress is not None:
self.startAddress = startAddress
returnValue = True
f = fileFormatReader(self.inputFile, self.startAddress)
try:
item0, item1 = f.getRawBinary()
self.startAddress = item0
file_content = item1
except IOError:
errorMessage((('File ' + self.inputFile) + ' open failed\n'))
returnValue = False
if returnValue:
file_size = len(file_content)
packet = []
address = self.startAddress
pages = int(((file_size + 1023) / 1024))
startPage = (((self.startAddress & 4294966272L) - 134217728) / 1024)
eraseArg = ([(pages - 1)] + range(startPage, (startPage + pages), 1))
infoMessage(('Erasing pages from %d to %d...' % (startPage, ((startPage + pages) - 1))))
if ('STM32W_FLASHER_JLINK_DONT_ERASE' in os.environ or (not doErase)):
infoMessage('(skipped)', False)
else:
reply = self.sendCommand('ERASE', [eraseArg], timeout=10)
if reply != [ACK, ACK]:
errorMessage(('Unexpected reply %s\n' % repr(reply)))
returnValue = False
if returnValue:
infoMessage('done\n', False)
size = 0
while returnValue:
packet = []
packet_size = self.packetSize
packet_string = file_content[size:(size + packet_size)]
packet_size = len(packet_string)
if packet_size == 0:
infoMessage('\n')
break
else:
size = (size + packet_size)
packet.extend(packet_string)
if (len(packet) % 2) != 0:
packet = (packet + [255])
packet = ([(len(packet) - 1)] + packet)
if progressReport:
progressReport(size, file_size)
else:
infoMessage(('Programming %05d/%05d\r' % (size, file_size)))
arg1 = u32ToArray(address)
arg1.reverse()
if (self.serialMode or size == packet_size):
reply = self.sendCommand('WRITE', [arg1, packet])
if reply != [ACK, ACK, ACK]:
errorMessage(('\n\n+Unexpected reply %s, packet_size=%d\n' % (repr(reply), packet_size)))
returnValue = False
else:
retries = 0
MAX_RETRIES = 3
while returnValue:
reply = self.sendCommand('WRITE_INCREMENTAL', [packet])
if reply != [ACK, ACK]:
retries = (retries + 1)
if retries > MAX_RETRIES:
errorMessage(('\n\nUnexpected reply %s, packet_size=%d\n' % (repr(reply), packet_size)))
returnValue = False
break
else:
errorMessage(('\n\nUnexpected reply %s, packet_size=%d\n' % (repr(reply), packet_size)))
infoMessage('Retrying...\n')
continue
else:
break
address = (address + packet_size)
continue
if returnValue:
if progressReport == None:
infoMessage('Done\n')
return returnValue
sys.exit(-1)
if options.interface != "rs232" and options.interface != "jlink":
parser.print_help()
sys.exit(-1)
startAddress = int(options.address, 16)
if options.interface == "rs232":
optionArg = options.port.upper()
if optionArg == "AUTO":
port = getFirstAvailableSerialPort()
if port is None:
errorMessage("Unable to find serial port in auto mode: no STM32W boards detected\n")
sys.exit(-1)
infoMessage("Auto mode selected serial port: %s\n" % port)
elif options.port[:4] == "/dev": ## For Linux
port = options.port
else:
try:
port = int(optionArg)
except ValueError:
errorMessage("Invalid port: %s\n" % options.port)
sys.exit(-1)
else:
port = None
if options.interface == "jlink":
errorMessage("JLink not yet supported.\n")
sys.exit(-1)
def progressReport(size, fileSize):
infoMessage("Programming %05d/%05d\r" % (size, fileSize))
def progressReport(size, fileSize):
infoMessage("Programming %05d/%05d\r" % (size, fileSize))
def sendCommand(self, command, args=[], timeout=2, traceCommands=False):
def timedRead(port, timeout, serialMode, bytes=1):
reply = []
r = ''
for byte in range(bytes):
startTime = time.time()
r1 = ''
while (time.time() - startTime) < timeout:
r1 = port.read(1)
if len(r1) > 0:
r = (r + r1)
startTime = time.time()
break
else:
if serialMode:
continue
else:
time.sleep(0.001)
continue
if len(r1) == 0:
break
else:
continue
if len(r) > 0:
reply.extend(struct.unpack(('B' * len(r)), r))
return reply
reply = []
error = False
if command in commands:
item0, item1 = (commands[command])
commandID = item0
replyLength = item1
if command == 'READ':
replyLength = (((args[1])[0]) + 4)
else:
error = True
if error:
pass
else:
if traceCommands:
infoMessage(
('Sending command: %02x %02x\n' % (commandID,
(255 - commandID))))
self.serialPort.write(
struct.pack('BB', commandID, (255 - commandID)))
r = timedRead(self.serialPort, timeout, self.serialMode, 1)
reply = (reply + r)
if (len(r) != 1 or (r[0]) != ACK):
error = True
if error:
pass
else:
for arg in args:
arg = (arg + [self.checksum(arg)])
if traceCommands:
infoMessage((('Sending arg:' + ','.join(
('%02x' % a) for a in arg)) + '\n'))
self.serialPort.write(struct.pack(('B' * len(arg)), *arg))
r = timedRead(self.serialPort, timeout, self.serialMode, 1)
reply = (reply + r)
if (len(r) != 1 or (r[0]) != ACK):
error = True
break
else:
continue
if ((not error) and len(reply) < replyLength):
reply = (reply +
timedRead(self.serialPort, timeout, self.serialMode,
(replyLength - len(reply))))
if (command == 'GET' and len(reply) == replyLength):
reply = (reply +
timedRead(self.serialPort, timeout, self.serialMode,
((reply[1]) + 2)))
if traceCommands:
infoMessage(('Reply was %s\n' % hexString(reply)))
return reply
def progressReport(size, fileSize):
infoMessage("Verifying %05d/%05d\r" % (size, fileSize))
def progressReport(size, fileSize):
infoMessage("Verifying %05d/%05d\r" % (size, fileSize))
def startApplication(interface, startAddress):
infoMessage("Starting application from address: %08x\n" % startAddress)
if not interface.startApplication(startAddress):
infoMessage("Failed \n")
else:
infoMessage("Done \n")
def loadFile(self,
inputFile=None,
startAddress=None,
progressReport=None,
doErase=True):
if inputFile is not None:
self.inputFile = inputFile
if startAddress is not None:
self.startAddress = startAddress
returnValue = True
f = fileFormatReader(self.inputFile, self.startAddress)
try:
item0, item1 = f.getRawBinary()
self.startAddress = item0
file_content = item1
except IOError:
errorMessage((('File ' + self.inputFile) + ' open failed\n'))
returnValue = False
if returnValue:
file_size = len(file_content)
packet = []
address = self.startAddress
pages = int(((file_size + 1023) / 1024))
startPage = (((self.startAddress & 4294966272L) - 134217728) /
1024)
eraseArg = ([(pages - 1)] + range(startPage,
(startPage + pages), 1))
infoMessage(('Erasing pages from %d to %d...' %
(startPage, ((startPage + pages) - 1))))
if ('STM32W_FLASHER_JLINK_DONT_ERASE' in os.environ
or (not doErase)):
infoMessage('(skipped)', False)
else:
reply = self.sendCommand('ERASE', [eraseArg], timeout=10)
if reply != [ACK, ACK]:
errorMessage(('Unexpected reply %s\n' % repr(reply)))
returnValue = False
if returnValue:
infoMessage('done\n', False)
size = 0
while returnValue:
packet = []
packet_size = self.packetSize
packet_string = file_content[size:(size + packet_size)]
packet_size = len(packet_string)
if packet_size == 0:
infoMessage('\n')
break
else:
size = (size + packet_size)
packet.extend(packet_string)
if (len(packet) % 2) != 0:
packet = (packet + [255])
packet = ([(len(packet) - 1)] + packet)
if progressReport:
progressReport(size, file_size)
else:
infoMessage(
('Programming %05d/%05d\r' % (size, file_size)))
arg1 = u32ToArray(address)
arg1.reverse()
if (self.serialMode or size == packet_size):
reply = self.sendCommand('WRITE', [arg1, packet])
if reply != [ACK, ACK, ACK]:
errorMessage(
('\n\n+Unexpected reply %s, packet_size=%d\n' %
(repr(reply), packet_size)))
returnValue = False
else:
retries = 0
MAX_RETRIES = 3
while returnValue:
reply = self.sendCommand('WRITE_INCREMENTAL', [packet])
if reply != [ACK, ACK]:
retries = (retries + 1)
if retries > MAX_RETRIES:
errorMessage((
'\n\nUnexpected reply %s, packet_size=%d\n'
% (repr(reply), packet_size)))
returnValue = False
break
else:
errorMessage((
'\n\nUnexpected reply %s, packet_size=%d\n'
% (repr(reply), packet_size)))
infoMessage('Retrying...\n')
continue
else:
break
address = (address + packet_size)
continue
if returnValue:
if progressReport == None:
infoMessage('Done\n')
return returnValue
def printBanner():
infoMessage("STM32W flasher utility version %s\n" % version)
def loadFile(self, name):
returnValue = True
state = self.STATE_WAITING_CRC16
filename = os.path.basename(name)
startTime = time.time()
try:
f = open(name, 'rb')
infoMessage((('File ' + name) + ' opened\n'))
f.seek(0, 2)
file_size = f.tell()
f.seek(0, 0)
packet_number = 0
loop_counter = 1
size = file_size
retry = 0
packet = []
prevState = self.STATE_READY
while True:
newState = state
if state == self.STATE_WAITING_CRC16:
if self.updateAction:
self.updateAction((file_size - max(size, 0)), file_size)
data = self.getByte()
if data == self.CRC16:
newState = self.STATE_READY
else:
if state == self.STATE_WAITING_ACK:
if self.updateAction:
self.updateAction((file_size - max(size, 0)), file_size)
data = self.getByte()
if data is not None:
if data == self.ACK:
if prevState == self.STATE_READY:
retry = 0
if loop_counter > 1:
size = (size - packet_size)
packet_number = ((packet_number + 1) % 256)
loop_counter = (loop_counter + 1)
packet_done = True
if self.updateAction:
self.updateAction((file_size - max(size, 0)), file_size)
else:
infoMessage(('Sent %05d/%05d\r' % ((file_size - max(size, 0)), file_size)))
newState = self.STATE_READY
else:
if prevState == self.STATE_SEND_EOT:
newState = self.STATE_SEND_SESSION_DONE
else:
if prevState == self.STATE_SEND_SESSION_DONE:
newState = self.STATE_START_APPLICATION
else:
if data == self.CA:
errorMessage('Transaction aborted by client\n')
newState = self.STATE_DONE
else:
if data == self.CRC16:
pass
else:
if prevState == self.STATE_READY:
infoMessage('Retrying\n')
retry = (retry + 1)
if retry > 3:
errorMessage('Too many retry exiting\n')
newState = self.STATE_DONE
else:
newState = self.STATE_READY
else:
if state == self.STATE_READY:
if size <= 0:
newState = self.STATE_SEND_EOT
else:
if retry == 0:
packet = []
if loop_counter == 1:
packet.extend(struct.unpack(('%uB' % len(filename)), filename))
packet = (packet + [0])
size_string = ('%d ' % file_size)
packet.extend(struct.unpack(('%uB' % len(size_string)), size_string))
packet_size = self.PACKET_SIZE
else:
packet_size = self.PACKET_1K_SIZE
packet_string = f.read(packet_size)
packet.extend(struct.unpack(('%uB' % len(packet_string)), packet_string))
packet = (packet + ([0] * (packet_size - len(packet))))
if self.sendYModemPacket(packet, packet_number):
newState = self.STATE_DONE
else:
newState = self.STATE_WAITING_ACK
else:
if state == self.STATE_SEND_EOT:
if self.updateAction:
self.updateAction((file_size - max(size, 0)), file_size)
else:
infoMessage(('Sent %05d/%05d\r' % ((file_size - max(size, 0)), file_size)))
self.sendByte(self.EOT)
newState = self.STATE_WAITING_ACK
else:
if state == self.STATE_SEND_SESSION_DONE:
self.sendYModemPacket(([0] * 128), 0)
newState = self.STATE_WAITING_ACK
else:
if state == self.STATE_START_APPLICATION:
self.startApplication()
newState = self.STATE_DONE
else:
if state == self.STATE_DONE:
returnValue = False
endTime = time.time()
infoMessage('\nDone\n')
break
else:
errorMessage(('Unknonw state = %d' % state))
newState = self.STATE_DONE
if state != newState:
prevState = state
state = newState
continue
else:
continue
return returnValue
except:
errorMessage((('File ' + name) + ' open failed\n'))
if self.updateAction:
self.updateAction(0, 0)
return returnValue