def chunkhexfile(filename):
pic_mem={}
eeprom_mem={}
config_mem={}
type='data'
total=0
INHX='INX8M'
Fcode=''
cfg=''
try:
f=open(filename, 'r')
except IOError:
print "Can't open file:"+filename+"\n\n"
return None,None,None
hexfile=f.readlines()
f.close()
row_counter=1
age=gethexage(filename)
for rec in hexfile:
# Check Hex file Start code
if rec[0]!=":":
if rec[0]==";":
message=str(rec)
print message
break
else:
message="Hex file not recognized:\nLine: "+str(row_counter)+ " File: "+filename+"\n\n"
print message
return None,None,None
# Read Byte count
byte_count=eval("0x"+rec[1:3])
#Calculate total bytes
total=total+byte_count
# Read register address
address=eval("0x"+rec[3:7])
# Read record type
record_type=eval("0x"+rec[7:9])
#Read Crc
crc=eval("0x"+rec[9+2*byte_count:11+2*byte_count])
# Calculate checksum
chs=byte_count+eval("0x"+rec[3:5])+eval("0x"+rec[5:7])+record_type
if record_type==0x04:
INHX='INHX32'
extended_adress=eval("0x"+rec[9:13])
# Calculate checksum
chs=chs+eval("0x"+rec[9:11])+eval("0x"+rec[11:13])
if extended_adress==0x0000:
type='data'
cfg='+cfg'
elif extended_adress==0x0030:
type='config'
elif extended_adress==0x00F0:
type='eeprom'
# Get all data register
if record_type==0 and type=='data':
for i in range(9,9+2*byte_count,2):
data=rec[i:i+2]
pic_mem[address]=eval("0x"+data)
# Calculate checksum
chs=chs+pic_mem[address]
if address%2:
if pic_mem[address]<0x40 and Fcode=='':
Fcode='16Fcode'
if pic_mem[address]>0x3F and Fcode=='16Fcode':
Fcode='18Fcode'
address=address+1
# Get all config register
if record_type==0 and type=='config':
for i in range(9,9+2*byte_count,2):
data=rec[i:i+2]
config_mem[address]=eval("0x"+data)
# Calculate checksum
chs=chs+config_mem[address]
address=address+1
# Get all EEPROM register
if record_type==0 and type=='eeprom':
for i in range(9,9+2*byte_count,2):
data=rec[i:i+2]
eeprom_mem[address]=eval("0x"+data)
address=address+1
chs=(1+~chs)&0xff
if chs!=crc:
print 'Warning! CRC failed on line '+str(row_counter)
row_counter=row_counter+1
print 'HEX: '+ age+' old,'+ INHX +' ,'+Fcode+cfg+ ', total='+str(total)+ ' bytes.'
return pic_mem, eeprom_mem, config_mem
def chunk_hexfile(filename):
INHX = 'INX8M'
message = ''
pic_series = '16Fcode'
message_crc = ''
cfg = ''
eeprom = ''
try:
f = open(filename, 'r')
except IOError:
message = "Can't open file:" + filename + "\n\n"
return None
age = gethexage(filename)
hexfile = f.readlines()
f.close()
row_counter = 1
total = 0
for rec in hexfile:
if rec[0:15] == ':020000040000FA':
total = total - 2
try:
# Read Byte count
byte_count = eval("0x" + rec[1:3])
#Calculate total bytes
total = total + byte_count
# Read register address
address = eval("0x" + rec[3:7])
if address == 0x400E and pic_series == '16Fcode':
cfg = '+cfg'
if address > 0x4200 and pic_series == '16Fcode':
eeprom = '+eeprom'
# Read record type
record_type = eval("0x" + rec[7:9])
#Read Crc
crc = eval("0x" + rec[9 + 2 * byte_count:11 + 2 * byte_count])
# Calculate checksum
chs = byte_count + eval("0x" +
rec[3:5]) + eval("0x" +
rec[5:7]) + record_type
#Only for record data type
if record_type == 0x00:
pass
#Check pic series mask and file check sum
for i in range(9, 9 + 2 * byte_count, 4):
#check sun for each line
chs = chs + eval('0x' +
rec[i:i + 2]) + eval('0x' +
rec[i + 2:i + 4])
#checkin mask of hexfile
mask = eval('0x' + rec[i:i + 4])
mask = (mask) & (0x00ff)
if mask > 0x3f:
pic_series = '18Fcode'
#two's complement sum of the values of all fields
chs = (1 + ~chs) & 0xff
#Check if chs calculated an check sum readed from file are the same
if chs != crc:
message_crc = '\n Warning! CRC failed on line ' + str(
row_counter) + '\n'
print '\n Warning! CRC failed on line ' + str(
row_counter) + '\n',
elif record_type == 0x02 and INHX != 'INX32M':
INHX = 'INX16M'
elif record_type == 0x03 or record_type == 0x04:
INHX = 'INX32M'
if rec[0:15] == ':020000040030CA':
cfg = '+cfg'
if rec[0:15] == ':0200000400F00A':
eeprom = '+eeprom'
row_counter = row_counter + 1
except:
#Check end hexfile line
if rec[0:11] == ':00000001FF':
pass
# Check Hex file Start code
if rec[0] != ":":
if rec[0] == ";":
message = str(rec)
print message,
else:
message = "Hex file not recognized:\nLine: " + str(
row_counter) + " File: " + filename + "\n\n"
print message
return None
message = '\n HEX:' + age + ' old,' + INHX + ',' + pic_series + cfg + eeprom + ',total=' + str(
total) + ' bytes.'
return message
def chunk_hexfile(filename):
INHX='INX8M'
message=''
pic_series='16Fcode'
message_crc=''
cfg=''
eeprom=''
try:
f=open(filename, 'r')
except IOError:
message="Can't open file:"+filename+"\n\n"
return None
age=gethexage(filename)
hexfile=f.readlines()
f.close()
row_counter=1
total=0
for rec in hexfile:
if rec[0:15]==':020000040000FA':
total=total-2
try:
# Read Byte count
byte_count=eval("0x"+rec[1:3])
#Calculate total bytes
total=total+byte_count
# Read register address
address=eval("0x"+rec[3:7])
if address==0x400E and pic_series=='16Fcode':
cfg='+cfg'
if address>0x4200 and pic_series=='16Fcode':
eeprom='+eeprom'
# Read record type
record_type=eval("0x"+rec[7:9])
#Read Crc
crc=eval("0x"+rec[9+2*byte_count:11+2*byte_count])
# Calculate checksum
chs=byte_count+eval("0x"+rec[3:5])+eval("0x"+rec[5:7])+record_type
#Only for record data type
if record_type==0x00:
pass
#Check pic series mask and file check sum
for i in range(9,9+2*byte_count,4):
#check sun for each line
chs=chs+eval('0x'+rec[i:i+2])+eval('0x'+rec[i+2:i+4])
#checkin mask of hexfile
mask=eval('0x'+rec[i:i+4])
mask=(mask)&(0x00ff)
if mask>0x3f:
pic_series='18Fcode'
#two's complement sum of the values of all fields
chs= (1+~chs)&0xff
#Check if chs calculated an check sum readed from file are the same
if chs!=crc:
message_crc ='\n Warning! CRC failed on line '+str(row_counter)+'\n'
print '\n Warning! CRC failed on line '+str(row_counter)+'\n',
elif record_type==0x02 and INHX!='INX32M':
INHX='INX16M'
elif record_type==0x03 or record_type==0x04:
INHX='INX32M'
if rec[0:15]==':020000040030CA':
cfg='+cfg'
if rec[0:15]==':0200000400F00A':
eeprom='+eeprom'
row_counter=row_counter+1
except:
#Check end hexfile line
if rec[0:11] == ':00000001FF':
pass
# Check Hex file Start code
if rec[0]!=":":
if rec[0]==";":
message=str(rec)
print message,
else:
message="Hex file not recognized:\nLine: "+str(row_counter)+ " File: "+filename+"\n\n"
print message
return None
message ='\n HEX:'+ age+' old,'+ INHX + ','+pic_series+cfg+eeprom+',total='+str(total)+ ' bytes.'
return message
