if len(args) <= 1 or len(args) > 2:
parser.print_help()
sys.exit()
# open input file
scn_file = open(args[1])
linecount = 0
for srec in scn_file:
# Strip some file content
srec = srec.strip("\n")
srec = srec.strip("\r")
# Validate checksum and parse record
if options.validate_checksum and not srecutils.validate_srec_checksum(
srec):
print "Invalid checksum found!"
else:
# Extract data from the srec
record_type, data_len, addr, data, checksum = srecutils.parse_srec(
srec)
if record_type == 'S1' or record_type == 'S2' or record_type == 'S3':
# Make a copy of the original data record for checksum calculation
raw_data = data
# Apply offset (default is 0)
data = srecutils.offset_data(data, int(options.offset),
options.readable,
options.wraparound)
if len(args) <= 1 or len(args) > 2:
parser.print_help()
sys.exit()
# open input file
scn_file = open(args[1])
linecount = 0
for srec in scn_file:
# Strip some file content
srec = srec.strip("\n")
srec = srec.strip("\r")
# Validate checksum and parse record
if options.validate_checksum and not srecutils.validate_srec_checksum(srec):
print "Invalid checksum found!"
else:
# Extract data from the srec
record_type, data_len, addr, data, checksum = srecutils.parse_srec(srec)
if record_type == 'S1' or record_type == 'S2' or record_type == 'S3':
# Make a copy of the original data record for checksum calculation
raw_data = data
# Apply offset (default is 0)
data = srecutils.offset_data(data, int(options.offset), options.readable, options.wraparound)
# Get checksum of the new offset srec
raw_offset_srec = ''.join([record_type, data_len, addr, raw_data])
int_checksum = srecutils.compute_srec_checksum(raw_offset_srec)
def getFlashData(filename, startAddr):
print "Write %s " % filename
# open input file
scn_file = open(filename)
endAddr = 0xFFFF;
programBuff = bytearray(endAddr-startAddr+1); #Array to store 16K of memory, and program it in one shot
#Fill the byte array with default values (recommended ff so we dont exec anything in the chip inevitably)
for i in xrange(0,endAddr-startAddr+1):
programBuff[i] = 0xFF
linecount = 0
for srec in scn_file:
# Strip some file content
srec = srec.strip("\n")
srec = srec.strip("\r")
# Validate checksum and parse record
if not srecutils.validate_srec_checksum(srec):
print "Invalid checksum found!"
else:
# Extract data from the srec
record_type, data_len, addr, data, checksum = srecutils.parse_srec(srec)
if record_type == 'S1':
# Make a copy of the original data record for checksum calculation
raw_data = data
# Apply offset (default is 0)
data = srecutils.offset_data(data, 0, 0, 0)
# Get checksum of the new offset srec
raw_offset_srec = ''.join([record_type, data_len, addr, raw_data])
int_checksum = srecutils.compute_srec_checksum(raw_offset_srec)
checksum = srecutils.int_to_padded_hex_byte(int_checksum)
# output to file
print ''.join([str(linecount), ':', data, '\n']),
#data = ''.join([record_type, data_len, addr, data, checksum])
plen = int(data_len,16) - 3 #Convert to a number and subtract the addr and length
decAddr = int(addr, 16)
idx = decAddr-startAddr
#Check the the address is in range
if (idx < 0 or idx+plen > endAddr):
print "ERR: Invalid address given %X" % decAddr
break
#Set the buffer with the program data
print "Addr %X %X" % (decAddr, idx)
#Convert the hex byte into in and store in our program memory
for i in xrange(0,plen):
programBuff[idx+i] = int(data[i*2:(i*2)+2],16)
# All the other record types
else:
output_str = ' No Action '.join([srec, '\n'])
output_str = ''.join([str(linecount), ': ', output_str])
print output_str,
# increment our fancy linecounter
linecount += 1
scn_file.close()
return programBuff
def getFlashData(filename, startAddr):
print "Write %s " % filename
# open input file
scn_file = open(filename)
endAddr = 0xFFFF
programBuff = bytearray(endAddr - startAddr + 1)
#Array to store 16K of memory, and program it in one shot
#Fill the byte array with default values (recommended ff so we dont exec anything in the chip inevitably)
for i in xrange(0, endAddr - startAddr + 1):
programBuff[i] = 0xFF
linecount = 0
for srec in scn_file:
# Strip some file content
srec = srec.strip("\n")
srec = srec.strip("\r")
# Validate checksum and parse record
if not srecutils.validate_srec_checksum(srec):
print "Invalid checksum found!"
else:
# Extract data from the srec
record_type, data_len, addr, data, checksum = srecutils.parse_srec(
srec)
if record_type == 'S1':
# Make a copy of the original data record for checksum calculation
raw_data = data
# Apply offset (default is 0)
data = srecutils.offset_data(data, 0, 0, 0)
# Get checksum of the new offset srec
raw_offset_srec = ''.join(
[record_type, data_len, addr, raw_data])
int_checksum = srecutils.compute_srec_checksum(raw_offset_srec)
checksum = srecutils.int_to_padded_hex_byte(int_checksum)
# output to file
print ''.join([str(linecount), ':', data, '\n']),
#data = ''.join([record_type, data_len, addr, data, checksum])
plen = int(
data_len, 16
) - 3 #Convert to a number and subtract the addr and length
decAddr = int(addr, 16)
idx = decAddr - startAddr
#Check the the address is in range
if (idx < 0 or idx + plen > endAddr):
print "ERR: Invalid address given %X" % decAddr
break
#Set the buffer with the program data
print "Addr %X %X" % (decAddr, idx)
#Convert the hex byte into in and store in our program memory
for i in xrange(0, plen):
programBuff[idx + i] = int(data[i * 2:(i * 2) + 2], 16)
# All the other record types
else:
output_str = ' No Action '.join([srec, '\n'])
output_str = ''.join([str(linecount), ': ', output_str])
print output_str,
# increment our fancy linecounter
linecount += 1
scn_file.close()
return programBuff