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From: cvs at opencores.org<cvs@o...>
Date: Tue Jul 22 14:14:46 CEST 2008
Subject: [cvs-checkins] MODIFIED: jop ...
Date: 00/08/07 22:14:14

Added: jop/xilinx/ml401a/vlab download.py
Log:
Initial Revision


Revision Changes Path
1.1 jop/xilinx/ml401a/vlab/download.py

http://www.opencores.org/cvsweb.shtml/jop/xilinx/ml401a/vlab/download.py?rev=1.1&content-type=text/x-cvsweb-markup

Index: download.py
===================================================================
#!/usr/bin/python


MAX_MEM = 1048576/4
BLOCK_SIZE = 1024
EXIT_STRING = "JVM exit!"
SERVICE_SETTINGS = {
"relay_server" : "cynthia",
"user_name" : "vltest",
"board_name" : "burchtest",
"private_key_file" : "vluser_key",
}


from vlab import Vlab
import sys, collections, time


def Main(bit_fname, jop_fname):
# Open files
fp = file(jop_fname)
bits = file(bit_fname).read()

# Decode JOP file
ram = []
for line in fp:
slash = line.find('/')
if ( slash >= 0 ):
line = line[ : slash ]

for word in line.split(','):
word = word.strip()
if ( len(word) > 0 ):
ram.append(int(word))
if ( len(ram) >= MAX_MEM ):
raise Exception("Too many words (%d/%d)" % (len(ram),
MAX_MEM))

fp.close()
if ( len(ram) == 0 ):
raise Exception("No memory?")

# Make byte buffer
byte_buffer = []
for word in ram:
for j in xrange(4):
byte_buffer.append(chr(0xff & (
word >> (( 3 - j ) * 8 ))))
byte_buffer = ''.join(byte_buffer)
file('bytes.bin', 'wt').write(byte_buffer)

print "%d words of Java bytecode (%d KB)" % (ram[1]-1, (ram[1]-1)/256)

# Program FPGA and send JOP file
vl = Vlab()
print 'Connecting to lab service...'
vl.Connect(**SERVICE_SETTINGS)
bid = vl.SendBitfile(bits)
print 'Bitfile sent, bid %u' % bid
vl.ProgramFPGA(0, bid)
print 'FPGA Programming complete'
vl.SetUart(0, 115200)

# Send the program
(rx_fd, tx_fd) = vl.UseUart(0, True)
tx_fd.write(byte_buffer)
tx_fd.flush()

print 'JOP Programming complete'
fifo = collections.deque()
stop = False

# Terminal mode
while ( not stop ):
byte = rx_fd.read(1)
byte = ord(byte)
if ( not (( byte in (10, 13))
or ( 32 <= byte < 127 ))):
byte = ord('.')
byte = chr(byte)

sys.stdout.write(byte)
sys.stdout.flush()
fifo.append(byte)
if ( len(fifo) > len(EXIT_STRING) ):
fifo.popleft()
if ( ''.join(fifo) == EXIT_STRING ):
stop = True
vl.Disconnect() print '' print '' if ( __name__ == "__main__" ): if ( len(sys.argv) != 3 ): print 'Usage: %s <bit file> <jop file>' % sys.argv[ 0 ] else: Main(sys.argv[ 1 ], sys.argv[ 2 ])