Change dfu.py to be Python 2/3 compatible
* Chane dfu.py to use Python 3 syntax to avoid dependency on Python 2. * Update Makefile to call python instead of python2 * Fix #33
This commit is contained in:
parent
aae7847508
commit
1a1ba4d555
@ -147,7 +147,7 @@ OBJ = $(addprefix $(BUILD)/, $(SRC_C:.c=.o) $(SRC_S:.s=.o) $(PY_O) $(SRC_FATFS:.
|
|||||||
all: $(BUILD) $(BUILD)/flash.dfu
|
all: $(BUILD) $(BUILD)/flash.dfu
|
||||||
|
|
||||||
$(BUILD)/flash.dfu: $(BUILD)/flash0.bin $(BUILD)/flash1.bin
|
$(BUILD)/flash.dfu: $(BUILD)/flash0.bin $(BUILD)/flash1.bin
|
||||||
python2 $(DFU) -b 0x08000000:$(BUILD)/flash0.bin -b 0x08020000:$(BUILD)/flash1.bin $@
|
python $(DFU) -b 0x08000000:$(BUILD)/flash0.bin -b 0x08020000:$(BUILD)/flash1.bin $@
|
||||||
|
|
||||||
$(BUILD)/flash0.bin: $(BUILD)/flash.elf
|
$(BUILD)/flash0.bin: $(BUILD)/flash.elf
|
||||||
arm-none-eabi-objcopy -O binary -j .isr_vector $^ $@
|
arm-none-eabi-objcopy -O binary -j .isr_vector $^ $@
|
||||||
|
38
tools/dfu.py
38
tools/dfu.py
@ -20,11 +20,11 @@ def compute_crc(data):
|
|||||||
return 0xFFFFFFFF & -zlib.crc32(data) -1
|
return 0xFFFFFFFF & -zlib.crc32(data) -1
|
||||||
|
|
||||||
def parse(file,dump_images=False):
|
def parse(file,dump_images=False):
|
||||||
print 'File: "%s"' % file
|
print ('File: "%s"' % file)
|
||||||
data = open(file,'rb').read()
|
data = open(file,'rb').read()
|
||||||
crc = compute_crc(data[:-4])
|
crc = compute_crc(data[:-4])
|
||||||
prefix, data = consume('<5sBIB',data,'signature version size targets')
|
prefix, data = consume('<5sBIB',data,'signature version size targets')
|
||||||
print '%(signature)s v%(version)d, image size: %(size)d, targets: %(targets)d' % prefix
|
print ('%(signature)s v%(version)d, image size: %(size)d, targets: %(targets)d' % prefix)
|
||||||
for t in range(prefix['targets']):
|
for t in range(prefix['targets']):
|
||||||
tprefix, data = consume('<6sBI255s2I',data,'signature altsetting named name size elements')
|
tprefix, data = consume('<6sBI255s2I',data,'signature altsetting named name size elements')
|
||||||
tprefix['num'] = t
|
tprefix['num'] = t
|
||||||
@ -32,40 +32,40 @@ def parse(file,dump_images=False):
|
|||||||
tprefix['name'] = cstring(tprefix['name'])
|
tprefix['name'] = cstring(tprefix['name'])
|
||||||
else:
|
else:
|
||||||
tprefix['name'] = ''
|
tprefix['name'] = ''
|
||||||
print '%(signature)s %(num)d, alt setting: %(altsetting)s, name: "%(name)s", size: %(size)d, elements: %(elements)d' % tprefix
|
print ('%(signature)s %(num)d, alt setting: %(altsetting)s, name: "%(name)s", size: %(size)d, elements: %(elements)d' % tprefix)
|
||||||
tsize = tprefix['size']
|
tsize = tprefix['size']
|
||||||
target, data = data[:tsize], data[tsize:]
|
target, data = data[:tsize], data[tsize:]
|
||||||
for e in range(tprefix['elements']):
|
for e in range(tprefix['elements']):
|
||||||
eprefix, target = consume('<2I',target,'address size')
|
eprefix, target = consume('<2I',target,'address size')
|
||||||
eprefix['num'] = e
|
eprefix['num'] = e
|
||||||
print ' %(num)d, address: 0x%(address)08x, size: %(size)d' % eprefix
|
print (' %(num)d, address: 0x%(address)08x, size: %(size)d' % eprefix)
|
||||||
esize = eprefix['size']
|
esize = eprefix['size']
|
||||||
image, target = target[:esize], target[esize:]
|
image, target = target[:esize], target[esize:]
|
||||||
if dump_images:
|
if dump_images:
|
||||||
out = '%s.target%d.image%d.bin' % (file,t,e)
|
out = '%s.target%d.image%d.bin' % (file,t,e)
|
||||||
open(out,'wb').write(image)
|
open(out,'wb').write(image)
|
||||||
print ' DUMPED IMAGE TO "%s"' % out
|
print (' DUMPED IMAGE TO "%s"' % out)
|
||||||
if len(target):
|
if len(target):
|
||||||
print "target %d: PARSE ERROR" % t
|
print ("target %d: PARSE ERROR" % t)
|
||||||
suffix = named(struct.unpack('<4H3sBI',data[:16]),'device product vendor dfu ufd len crc')
|
suffix = named(struct.unpack('<4H3sBI',data[:16]),'device product vendor dfu ufd len crc')
|
||||||
print 'usb: %(vendor)04x:%(product)04x, device: 0x%(device)04x, dfu: 0x%(dfu)04x, %(ufd)s, %(len)d, 0x%(crc)08x' % suffix
|
print ('usb: %(vendor)04x:%(product)04x, device: 0x%(device)04x, dfu: 0x%(dfu)04x, %(ufd)s, %(len)d, 0x%(crc)08x' % suffix)
|
||||||
if crc != suffix['crc']:
|
if crc != suffix['crc']:
|
||||||
print "CRC ERROR: computed crc32 is 0x%08x" % crc
|
print ("CRC ERROR: computed crc32 is 0x%08x" % crc)
|
||||||
data = data[16:]
|
data = data[16:]
|
||||||
if data:
|
if data:
|
||||||
print "PARSE ERROR"
|
print ("PARSE ERROR")
|
||||||
|
|
||||||
def build(file,targets,device=DEFAULT_DEVICE):
|
def build(file,targets,device=DEFAULT_DEVICE):
|
||||||
data = ''
|
data = b''
|
||||||
for t,target in enumerate(targets):
|
for t,target in enumerate(targets):
|
||||||
tdata = ''
|
tdata = b''
|
||||||
for image in target:
|
for image in target:
|
||||||
tdata += struct.pack('<2I',image['address'],len(image['data']))+image['data']
|
tdata += struct.pack('<2I',image['address'],len(image['data']))+image['data']
|
||||||
tdata = struct.pack('<6sBI255s2I','Target',0,1,'ST...',len(tdata),len(target)) + tdata
|
tdata = struct.pack('<6sBI255s2I',b'Target',0,1, b'ST...',len(tdata),len(target)) + tdata
|
||||||
data += tdata
|
data += tdata
|
||||||
data = struct.pack('<5sBIB','DfuSe',1,len(data)+11,len(targets)) + data
|
data = struct.pack('<5sBIB',b'DfuSe',1,len(data)+11,len(targets)) + data
|
||||||
v,d=map(lambda x: int(x,0) & 0xFFFF, device.split(':',1))
|
v,d=map(lambda x: int(x,0) & 0xFFFF, device.split(':',1))
|
||||||
data += struct.pack('<4H3sB',0,d,v,0x011a,'UFD',16)
|
data += struct.pack('<4H3sB',0,d,v,0x011a,b'UFD',16)
|
||||||
crc = compute_crc(data)
|
crc = compute_crc(data)
|
||||||
data += struct.pack('<I',crc)
|
data += struct.pack('<I',crc)
|
||||||
open(file,'wb').write(data)
|
open(file,'wb').write(data)
|
||||||
@ -89,15 +89,15 @@ if __name__=="__main__":
|
|||||||
try:
|
try:
|
||||||
address,binfile = arg.split(':',1)
|
address,binfile = arg.split(':',1)
|
||||||
except ValueError:
|
except ValueError:
|
||||||
print "Address:file couple '%s' invalid." % arg
|
print ("Address:file couple '%s' invalid." % arg)
|
||||||
sys.exit(1)
|
sys.exit(1)
|
||||||
try:
|
try:
|
||||||
address = int(address,0) & 0xFFFFFFFF
|
address = int(address,0) & 0xFFFFFFFF
|
||||||
except ValueError:
|
except ValueError:
|
||||||
print "Address %s invalid." % address
|
print ("Address %s invalid." % address)
|
||||||
sys.exit(1)
|
sys.exit(1)
|
||||||
if not os.path.isfile(binfile):
|
if not os.path.isfile(binfile):
|
||||||
print "Unreadable file '%s'." % binfile
|
print ("Unreadable file '%s'." % binfile)
|
||||||
sys.exit(1)
|
sys.exit(1)
|
||||||
target.append({ 'address': address, 'data': open(binfile,'rb').read() })
|
target.append({ 'address': address, 'data': open(binfile,'rb').read() })
|
||||||
outfile = args[0]
|
outfile = args[0]
|
||||||
@ -107,13 +107,13 @@ if __name__=="__main__":
|
|||||||
try:
|
try:
|
||||||
v,d=map(lambda x: int(x,0) & 0xFFFF, device.split(':',1))
|
v,d=map(lambda x: int(x,0) & 0xFFFF, device.split(':',1))
|
||||||
except:
|
except:
|
||||||
print "Invalid device '%s'." % device
|
print ("Invalid device '%s'." % device)
|
||||||
sys.exit(1)
|
sys.exit(1)
|
||||||
build(outfile,[target],device)
|
build(outfile,[target],device)
|
||||||
elif len(args)==1:
|
elif len(args)==1:
|
||||||
infile = args[0]
|
infile = args[0]
|
||||||
if not os.path.isfile(infile):
|
if not os.path.isfile(infile):
|
||||||
print "Unreadable file '%s'." % infile
|
print ("Unreadable file '%s'." % infile)
|
||||||
sys.exit(1)
|
sys.exit(1)
|
||||||
parse(infile, dump_images=options.dump_images)
|
parse(infile, dump_images=options.dump_images)
|
||||||
else:
|
else:
|
||||||
|
Loading…
Reference in New Issue
Block a user