diff options
Diffstat (limited to 'projects/cli-test/filetransfer')
| -rwxr-xr-x | projects/cli-test/filetransfer | 126 |
1 files changed, 98 insertions, 28 deletions
diff --git a/projects/cli-test/filetransfer b/projects/cli-test/filetransfer index 674a7f1..2b74570 100755 --- a/projects/cli-test/filetransfer +++ b/projects/cli-test/filetransfer @@ -1,13 +1,74 @@ #!/usr/bin/python - +# +# Copyright (c) 2016, NORDUnet A/S All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# - Redistributions of source code must retain the above copyright notice, +# this list of conditions and the following disclaimer. +# +# - Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# - Neither the name of the NORDUnet nor the names of its contributors may +# be used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS +# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +""" +Utility to test file upload (or FPGA bitstream upload. +""" import os import sys import time import struct import serial +import argparse from binascii import crc32 +CHUNK_SIZE = 256 +FPGA_CHUNK_SIZE = 4096 + + +def parse_args(): + """ + Parse the command line arguments + """ + parser = argparse.ArgumentParser(description = "File uploader", + add_help = True, + formatter_class = argparse.ArgumentDefaultsHelpFormatter, + ) + + parser.add_argument('--fpga', + dest='fpga', + action='store_true', default=False, + help='Perform FPGA bitstream upload', + ) + + parser.add_argument('--device', + dest='device', + default='/dev/ttyUSB0', + help='Name of management port USB serial device', + ) + + # positional argument(s) + parser.add_argument('filename') + + return parser.parse_args() + def _write(dst, data): for i in range(len(data)): @@ -46,41 +107,45 @@ def _execute(dst, cmd): response = _read(dst) return response -def send_file(filename, device='/dev/ttyUSB0', initiate=True): +def send_file(filename, args, dst): s = os.stat(filename) size = s.st_size src = open(filename, 'rb') - - dst = serial.Serial(device, 921600, timeout=0.1) - - if initiate: + if args.fpga: + # Skip header in FPGA bitstream file + size -= 0x64 + src.read(0x64) + chunk_size = FPGA_CHUNK_SIZE + response = _execute(dst, 'fpga bitstream upload') + else: + chunk_size = CHUNK_SIZE response = _execute(dst, 'filetransfer') - if 'OK' not in response: - sys.stderr.write('Device did not accept the filetransfer command (got {!r})\n'.format(response)) - return False + if 'OK' not in response: + sys.stderr.write('Device did not accept the upload command (got {!r})\n'.format(response)) + return False + crc = 0 + counter = 0 # 1. Write size of file (4 bytes) _write(dst, struct.pack('<I', size)) _read(dst) # 2. Write file contents while calculating CRC-32 - crc = 0 - counter = 0 while True: - data = src.read(4096) + data = src.read(chunk_size) if not data: break dst.write(data) - print("Wrote {!s} bytes".format(len(data))) + print("Wrote {!s} bytes (chunk {!s}/{!s})".format(len(data), counter, int(size / chunk_size))) # read ACK (a counter of number of 4k chunks received) while True: - ack = dst.read(4) - if len(ack) == 4: + ack_bytes = dst.read(4) + if len(ack_bytes) == 4: break - print('ERROR: Did not receive an ACK, got {!r}'.format(ack)) - dst.write('\r') - new_counter = struct.unpack('<I', ack)[0] - if new_counter != counter + 1: - print('ERROR: Did not receive the expected counter as ACK (got {!r}/{!r}, not {!r})'.format(new_counter, ack, counter)) + print('ERROR: Did not receive an ACK, got {!r}'.format(ack_bytes)) + dst.write('\r') # eventually get back to the CLI prompt + ack = struct.unpack('<I', ack_bytes)[0] + if ack != counter + 1: + print('ERROR: Did not receive the expected counter as ACK (got {!r}/{!r}, not {!r})'.format(ack, ack_bytes, counter)) flush = dst.read(100) print('FLUSH data: {!r}'.format(flush)) return False @@ -95,16 +160,21 @@ def send_file(filename, device='/dev/ttyUSB0', initiate=True): _read(dst) src.close() - dst.close() return True -if len(sys.argv) != 2: - sys.stderr.write('Syntax: {!s} filename\n'.format(sys.argv[0])) - sys.exit(1) - -if send_file(sys.argv[1]): - sys.exit(0) +def main(args): + dst = serial.Serial(args.device, 921600, timeout=2) + send_file(args.filename, args, dst) + dst.close() + return True -sys.exit(1) +if __name__ == '__main__': + try: + args = parse_args() + if main(args): + sys.exit(0) + sys.exit(1) + except KeyboardInterrupt: + pass |