Delete deprecated script.
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1 changed files with 0 additions and 41 deletions
41
fpga/fpga.py
41
fpga/fpga.py
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#!/usr/bin/env python3
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import binascii, serial, time, sys, argparse
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parser = argparse.ArgumentParser(description='MCH2022 badge FPGA bitstream programming tool')
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parser.add_argument("port", help="Serial port")
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parser.add_argument("bitstream", help="Bitstream binary")
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args = parser.parse_args()
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with open(args.bitstream, "rb") as f:
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bitstream = f.read()
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port = serial.Serial(args.port, 921600, timeout=1)
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print("Waiting for badge...")
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while True:
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data = port.read(4)
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if (data == b"FPGA"):
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break
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port.write(b'FPGA' + (len(bitstream).to_bytes(4, byteorder='little')) + binascii.crc32(bitstream).to_bytes(4, byteorder='little'))
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time.sleep(0.5)
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sent = 0
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print("Sending data", end="")
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while len(bitstream) - sent > 0:
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print(".", end="")
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sys.stdout.flush()
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txLength = len(bitstream)
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if txLength > 2048:
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txLength = 2048
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port.write(bitstream[sent:sent + txLength])
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time.sleep(0.05)
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sent += txLength
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while port.is_open:
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inLen = port.in_waiting
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if inLen > 0:
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data = port.read(inLen).decode('utf-8','ignore');
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if data == 'FPGA':
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print(data)
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else:
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print(data, end='')
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port.close()
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print("\n")
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