def write(self, data):
"""Output the given string over the serial port."""
if self.sock is None:
raise serial.portNotOpenError
t = len(data)
d = data
while t > 0:
try:
if self._writeTimeout is not None and self._writeTimeout > 0:
_,ready,_ = select.select([],[self.sock],[],
self._writeTimeout)
if not ready:
raise serial.writeTimeoutError
n = self.sock.send(d)
if self._dump:
print hexdump(d[:n])
if self._writeTimeout is not None and self._writeTimeout > 0:
_,ready,_ = select.select([],[self.sock],[],
self._writeTimeout)
if not ready:
raise serial.writeTimeoutError
d = d[n:]
t = t - n
except OSError,v:
if v.errno != errno.EAGAIN:
raise
def write(self, data):
"""Output the given string over the serial port."""
if self.sock is None:
import serial
raise serial.portNotOpenError()
t = len(data)
d = data
while t > 0:
try:
if self._writeTimeout is not None and self._writeTimeout > 0:
_, ready, _ = select.select([], [self.sock], [],
self._writeTimeout)
if not ready:
raise serial.writeTimeoutError
n = self.sock.send(d)
if self._dump:
print hexdump(d[:n])
if self._writeTimeout is not None and self._writeTimeout > 0:
_, ready, _ = select.select([], [self.sock], [],
self._writeTimeout)
if not ready:
raise serial.writeTimeoutError
d = d[n:]
t = t - n
except OSError, v:
if v.errno != errno.EAGAIN:
raise
def _log_write(self, data):
if not self._logger:
return
try:
print >>self._logger, "WRITE:\n%s" % hexdump(data)
except:
print >>sys.stderr, "Cannot log written data"
def _log_read(self, data):
if not self._logger:
return
try:
print >>self._logger, "READ:\n%s" % hexdump(data)
except:
print >>sys.stderr, "Cannot log read data"
def _log_write(self, data):
if not self._logger:
return
try:
print >> self._logger, "WRITE:\n%s" % hexdump(data)
except:
print >> sys.stderr, 'Cannot log written data'
def _log_read(self, data):
if not self._logger:
return
try:
print >> self._logger, "READ:\n%s" % hexdump(data)
except:
print >> sys.stderr, 'Cannot log read data'
def test_rw_sector_1(self):
from hashlib import sha1
buf = Array('I')
# length = 65536
length = len(self.flash)
print "length: " + str(length)
print "Build Sequence"
for address in range(0, length):
buf.append(address)
print "Swap sequence"
buf = buf.byteswap()
#print "Erase flash from %08X to %08X" % (0, length)
print "Erase all of the flash"
self.flash.erase(0, len(self.flash))
bufstr = buf.tostring()
dout = Array('B')
dout.fromstring(bufstr)
self.flash.write(0, bufstr)
print "Verify Flash"
wmd = sha1()
wmd.update(buf.tostring())
refdigest = wmd.hexdigest()
print "Read Flash"
din = self.flash.read(0, length)
print "Dump Flash"
print hexdump(din.tostring())
print "Verify Flash"
rmd = sha1()
rmd.update(din.tostring())
newdigest = rmd.hexdigest()
print "Reference: ", refdigest
print "Retrieved: ", newdigest
try:
f = open("din.hex", "w")
din.tofile(f)
f.close()
except IOError, err:
print "Error writing to din file"
def test_rw_sector_1(self):
from hashlib import sha1
buf = Array('I')
# length = 65536
length = len(self.flash)
print "length: " + str(length)
print "Build Sequence"
for address in range (0, length):
buf.append(address)
print "Swap sequence"
buf = buf.byteswap()
#print "Erase flash from %08X to %08X" % (0, length)
print "Erase all of the flash"
self.flash.erase(0, len(self.flash))
bufstr = buf.tostring()
dout = Array('B')
dout.fromstring(bufstr)
self.flash.write(0, bufstr)
print "Verify Flash"
wmd = sha1()
wmd.update(buf.tostring())
refdigest = wmd.hexdigest()
print "Read Flash"
din = self.flash.read(0, length)
print "Dump Flash"
print hexdump(din.tostring())
print "Verify Flash"
rmd = sha1()
rmd.update(din.tostring())
newdigest = rmd.hexdigest()
print "Reference: ", refdigest
print "Retrieved: ", newdigest
try:
f = open("din.hex", "w")
din.tofile(f)
f.close()
except IOError, err:
print "Error writing to din file"