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-rwxr-xr-xprojects/cli-test/filetransfer126
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