from RAPacker import *
SECTOR_SIZE = 2048
+VENDOR_ID = 0x045B
+PRODUCT_ID = 0x0261
def int_to_hex_list(num):
hex_string = hex(num)[2:].upper() # convert to hex string
return (start_addr, end_addr)
-def inquire_connection(dev):
- packed = pack_pkt(INQ_CMD, "")
- dev.send_data(packed)
- info = dev.recv_data(7)
- if info == bytearray(b'\x00') or info == bytearray(b''):
- return False
- msg = unpack_pkt(info)
- #print("Connection already established")
- return True
-
def get_area_info(dev):
for i in [0,1,2]:
packed = pack_pkt(ARE_CMD, [str(i)])
print(f'Config area [{NOA & 0x04 >> 3}]')
print(f'Boot firmware: version {BFV >> 8}.{BFV & 0xFF}')
+def erase_chip(dev, start_addr, size):
+
+ if size == None:
+ size = 0x3FFFF - start_addr # erase all
+
+ (start_addr, end_addr) = set_size_boundaries(start_addr, size)
+ print(f'Erasing {hex(start_addr)}:{hex(end_addr)}')
-def verify_img(dev, img, start_addr, end_addr):
- raise Exception("Not implemented")
-
-def read_img(dev, img, start_addr, end_addr):
+ # setup initial communication
+ SAD = int_to_hex_list(start_addr)
+ EAD = int_to_hex_list(end_addr)
+ packed = pack_pkt(ERA_CMD, SAD + EAD)
+ dev.send_data(packed)
- # calculate / check start and end address
- if start_addr == None or end_addr == None:
- if start_addr == None:
- start_addr = 0
- # align start addr
- if start_addr % SECTOR_SIZE:
- raise ValueError(f"start addr not aligned on sector size {SECTOR_SIZE}")
- blocks = (file_size + SECTOR_SIZE - 1) // SECTOR_SIZE
- end_addr = blocks * SECTOR_SIZE + start_addr
+ ret = dev.recv_data(7, timeout=1000) # erase takes usually a bit longer
+ unpack_pkt(ret)
+ print("Erase complete")
+
+def read_img(dev, img, start_addr, size):
- if (start_addr > 0xFF800): # for RA4 series
- raise ValueError("start address value error")
- if (end_addr <= start_addr or end_addr > 0xFF800):
- raise ValueError("end address value error")
+ if size == None:
+ size = 0x3FFFF - start_addr # read maximum possible
+ (start_addr, end_addr) = set_size_boundaries(start_addr, size)
+
# setup initial communication
SAD = int_to_hex_list(start_addr)
EAD = int_to_hex_list(end_addr)
raise ValueError("Write size > file size")
(start_addr, end_addr) = set_size_boundaries(start_addr, size)
- print(start_addr, end_addr)
chunk_size = 1024 # max is 1024 according to protocol
ret = dev.recv_data(7)
unpack_pkt(ret)
+ totalread = 0
with open(img, 'rb') as f:
- with tqdm(total=file_size, desc="Writing progress") as pbar:
+ with tqdm(total=size, desc="Writing progress") as pbar:
chunk = f.read(chunk_size)
pbar.update(len(chunk))
- while chunk:
+ while chunk and totalread < size:
if len(chunk) != chunk_size:
padding_length = chunk_size - len(chunk)
chunk += b'\0' * padding_length
reply = dev.recv_data(reply_len)
msg = unpack_pkt(reply)
chunk = f.read(chunk_size)
+ totalread += chunk_size
pbar.update(len(chunk))
if verify:
with tempfile.NamedTemporaryFile(prefix='.hidden_', delete=False) as tmp_file, open(img, 'rb') as cmp_file:
- read_img(dev, tmp_file.name, start_addr, end_addr)
+ read_img(dev, tmp_file.name, start_addr, size)
c1 = tmp_file.read(file_size) # due to byte alignment read file is longer
c2 = cmp_file.read()
if c1 == c2:
read_parser.add_argument("--size", type=hex_type, default=None, help="Size in bytes")
read_parser.add_argument("file_name", type=str, help="File name")
+ erase_parser = subparsers.add_parser("erase", help="Erase sectors")
+ erase_parser.add_argument("--start_address", default='0x0000', type=hex_type, help="Start address")
+ erase_parser.add_argument("--size", type=hex_type, help="Size")
+
# Subparser for the info command
subparsers.add_parser("info", help="Show flasher information")
args = parser.parse_args()
if args.command == "write":
- dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
- status_con = inquire_connection(dev)
- if not status_con:
- dev.confirm_connection()
- #print(args.start_address, args.size)
+ dev = RAConnect(VENDOR_ID, PRODUCT_ID)
write_img(dev, args.file_name, args.start_address, args.size, args.verify)
elif args.command == "read":
- dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
- status_con = inquire_connection(dev)
- if not status_con:
- dev.confirm_connection()
- read_img(dev, args.file_name, 0x0000, 0x3FFFF)
+ dev = RAConnect(VENDOR_ID, PRODUCT_ID)
+ read_img(dev, args.file_name, args.start_address, args.size)
+ elif args.command == "erase":
+ dev = RAConnect(VENDOR_ID, PRODUCT_ID)
+ erase_chip(dev, args.start_address, args.size)
elif args.command == "info":
- dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
- status_con = inquire_connection(dev)
- if not status_con:
- dev.confirm_connection()
+ dev = RAConnect(VENDOR_ID, PRODUCT_ID)
get_dev_info(dev)
get_area_info(dev)
else:
projects / renesas-ra-flasher / blobdiff