update python tools to new proto names
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@@ -7,8 +7,8 @@ from google.protobuf.message import DecodeError
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from serial.tools import list_ports
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from crccheck.crc import Crc
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from firmware_pb2 import FirmwareStart, FirmwareFileCheck , FirmwarePackage, FirmwarePackageAck, FirmwareDone
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from usb_pb2 import UsbPackageType
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from firmware_pb2 import Start, FileCheck , Package, PackageAck, Done
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from usb_pb2 import PackageType
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Crc32 = Crc(32,0x04C11DB7,0xffffffff)
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@@ -26,7 +26,7 @@ def load_firmware(filename):
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return crc, size, packages
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def make_header(typeid: UsbPackageType, length: int) -> bytearray:
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def make_header(typeid: PackageType, length: int) -> bytearray:
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struct_format = '<HHB' # '<' for little-endian, 'H' for uint16_t, 'B' for uint8_t
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# Calculate the check byte as the sum of length and type
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typeidint = int(typeid)
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@@ -35,7 +35,7 @@ def make_header(typeid: UsbPackageType, length: int) -> bytearray:
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return packed_data
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def send_package(typeid : UsbPackageType, data: bytearray, serial: serial.Serial):
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def send_package(typeid : PackageType, data: bytearray, serial: serial.Serial):
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head = make_header(typeid, len(data))
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package = head + data
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serial.write(package)
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@@ -56,7 +56,7 @@ def read_header(serial):
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def receive_ack(serial):
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length, typeid = read_header(serial)
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if not length or typeid != UsbPackageType.FIRMWAREPACKAGEACK:
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if not length or typeid != PackageType.FIRMWAREPACKAGEACK:
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return None
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# Read the message
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@@ -66,18 +66,18 @@ def receive_ack(serial):
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return None
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# Parse the message
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ack = FirmwarePackageAck()
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ack = PackageAck()
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try:
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ack.ParseFromString(message_data)
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except DecodeError:
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print('Failed to parse FirmwarePackageAck')
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print('Failed to parse PackageAck')
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return None
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return ack
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def receive_file_check(serial):
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length, typeid = read_header(serial)
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if not length or typeid != UsbPackageType.FIRMWAREFILECHECK:
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if not length or typeid != PackageType.FIRMWAREFILECHECK:
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return None
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# Read the message
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@@ -87,11 +87,11 @@ def receive_file_check(serial):
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return None
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# Parse the message
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file_check = FirmwareFileCheck()
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file_check = FileCheck()
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try:
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file_check.ParseFromString(message_data)
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except DecodeError:
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print('Failed to parse FirmwareFileCheck')
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print('Failed to parse FileCheck')
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return None
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return file_check
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@@ -121,60 +121,60 @@ if __name__ == "__main__":
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crc, size, packages = load_firmware(FILENAME)
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# Create a FirmwareStart message
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start = FirmwareStart()
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# Create a Start message
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start = Start()
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start.name = os.path.basename(FILENAME)
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start.size = size
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start.packages = len(packages)
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start.device_id = ID
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start.crc_fw = crc
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# Send the FirmwareStart message
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# Send the Start message
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print(start)
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send_package(UsbPackageType.FIRMWARESTART, start.SerializeToString(), ser)
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send_package(PackageType.FIRMWARESTART, start.SerializeToString(), ser)
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#time.sleep(1) # wait for the device to process the message
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# Receive the FirmwareFileCheck message
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# Receive the FileCheck message
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file_check = receive_file_check(ser)
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print(file_check)
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if not file_check:
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print('Failed to receive FirmwareFileCheck')
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print('Failed to receive FileCheck')
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exit(-1)
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if file_check.crc_fw == start.crc_fw and file_check.size == start.size and not file_check.ready_for_data:
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# Skip to FirmwareDone if the CRC and size match and ready_for_data is false
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# Skip to Done if the CRC and size match and ready_for_data is false
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print('No need for data transfer')
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elif file_check.ready_for_data:
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# Send the firmware packages
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for (i,pack_data) in enumerate(packages):
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package = FirmwarePackage()
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package = Package()
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package.counter = i
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package.crc_pac = Crc32.calc(pack_data)
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package.device_id = start.device_id
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package.data = pack_data
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# Send the FirmwarePackage message
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# Send the Package message
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print(package)
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print(hex(package.crc_pac))
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send_package(UsbPackageType.FIRMWAREPACKAGE, package.SerializeToString(), ser)
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send_package(PackageType.FIRMWAREPACKAGE, package.SerializeToString(), ser)
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# Wait for the FirmwarePackageAck message
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# Wait for the PackageAck message
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ack = receive_ack(ser)
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print(ack)
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if not ack.ack:
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print(f'Package {i} not acknowledged')
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exit(-1)
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else:
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print('Error in FirmwareFileCheck message')
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print('Error in FileCheck message')
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exit(-1)
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# Send the FirmwareDone message
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done = FirmwareDone()
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# Send the Done message
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done = Done()
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done.size = start.size
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done.crc_fw = start.crc_fw
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done.device_id = start.device_id
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print(done)
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send_package(UsbPackageType.FIRMWAREDONE, done.SerializeToString(), ser)
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send_package(PackageType.FIRMWAREDONE, done.SerializeToString(), ser)
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