81 lines
2.3 KiB
Python
81 lines
2.3 KiB
Python
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import serial
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import sys
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import time
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PACKET_HEADER = b'\0\0\0\0\0\x01'
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SIGN_TYPE = b'Z'
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SIGN_ADDRESS = b'00'
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VALID_NAMES = b'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
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def encode_packet(command_code, data):
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return PACKET_HEADER + SIGN_TYPE + SIGN_ADDRESS + b'\x02' + command_code + data + b'\x04'
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def generate_memory_config(files: list[tuple[bytes, int]]):
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data = b'$'
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for name, size in files:
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if len(name) != 1:
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raise ValueError()
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if name not in VALID_NAMES:
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raise ValueError()
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data += name
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data += b'AU'
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data += hex(size).upper()[2:].encode().rjust(4, b'0')
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# data += b'00FF'
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data += b'FFFF'
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return encode_packet(b'E', data)
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def generate_run_order(files: list[bytes]):
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data = b'.TU'
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for name in files:
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if len(name) != 1:
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raise ValueError()
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if name not in VALID_NAMES:
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raise ValueError()
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data += name
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return encode_packet(b'E', data)
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def generate_write_text_file(name: bytes, content: bytes):
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return encode_packet(b'A', name + content)
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def main(args: list[str]):
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if len(args) < 3:
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print(f'Usage: {args[0]} <file> <serial>')
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exit(1)
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file_name = args[1]
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serial_port = args[2]
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with open(file_name) as f:
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lines = f.readlines()
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if len(lines) > len(VALID_NAMES):
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print('Too many lines! I dont have enough files!')
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exit(1)
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run_order = []
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files = []
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text_packets = []
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for file_name, line in zip(VALID_NAMES, lines):
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file_name = bytes([file_name])
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data = line.strip().encode()
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length = len(data)
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run_order.append(file_name)
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files.append((file_name, length))
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text_packets.append(generate_write_text_file(file_name, data))
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with serial.Serial(serial_port, 9600) as ser:
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print('Config memory')
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ser.write(generate_memory_config(files))
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print('+', generate_memory_config(files).hex())
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time.sleep(1)
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print('Send files')
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for tp in text_packets:
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ser.write(tp)
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print('+', tp.hex())
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time.sleep(1)
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print('Send run order')
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ser.write(generate_run_order(run_order))
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print('+', generate_run_order(run_order).hex())
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print('Done!')
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if __name__ == '__main__':
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main(sys.argv)
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