from RAConnect import *
from RAPacker import *
-SECTOR_SIZE = 2048
+VENDOR_ID = 0x045B
+PRODUCT_ID = 0x0261
+
+commands = {
+ "write": lambda dev, args: write_img(dev, args.file_name, args.start_address, args.size, args.verify),
+ "read": lambda dev, args: read_img(dev, args.file_name, args.start_address, args.size),
+ "erase": lambda dev, args: erase_chip(dev, args.start_address, args.size),
+ "info": lambda dev, args: (get_dev_info(dev), dev.set_chip_layout(get_area_info(dev, output=True)))
+}
def int_to_hex_list(num):
hex_string = hex(num)[2:].upper() # convert to hex string
hex_list = [f'0x{hex_string[c:c+2]}' for c in range(0, 8, 2)]
return hex_list
-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):
+def hex_type(string):
+ try:
+ value = int(string, 16)
+ return value
+ except ValueError:
+ raise argparse.ArgumentTypeError(f"'{string}' is not a valid hexadecimal value.")
+
+def set_size_boundaries(dev, start_addr, size):
+
+ sector_size = dev.chip_layout[dev.sel_area]['ALIGN'] # currently only area 0 supported
+
+ if start_addr % sector_size:
+ raise ValueError(f"start addr not aligned on sector size {sector_size}")
+
+ if size < sector_size:
+ print("Warning: you are trying to write something that is less than one sector size: padding with zeroes")
+
+ blocks = (size + sector_size - 1) // sector_size
+ end_addr = blocks * sector_size + start_addr - 1
+
+ if (end_addr <= start_addr):
+ raise ValueError(f"End address smaller or equal than start_address")
+
+ if (end_addr > dev.chip_layout[dev.sel_area]['EAD']):
+ raise ValueError(f"Binary file is bigger than available ROM space")
+
+ return (start_addr, end_addr)
+
+def get_area_info(dev, output=False):
+ cfg = {}
for i in [0,1,2]:
packed = pack_pkt(ARE_CMD, [str(i)])
dev.send_data(packed)
msg = unpack_pkt(info)
fmt = '>BIIII'
KOA, SAD, EAD, EAU, WAU = struct.unpack(fmt, bytes(int(x, 16) for x in msg))
- print(f'Area {KOA}: {hex(SAD)}:{hex(EAD)} (erase {hex(EAU)} - write {hex(WAU)})')
+ cfg[i] = {"SAD": SAD, "EAD": EAD, "ALIGN": EAU}
+ if output:
+ print(f'Area {KOA}: {hex(SAD)}:{hex(EAD)} (erase {hex(EAU)} - write {hex(WAU)})')
+
+ return cfg
def get_dev_info(dev):
packed = pack_pkt(SIG_CMD, "")
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 = dev.chip_layout[dev.sel_area]['EAD'] - start_addr # erase all
+
+ (start_addr, end_addr) = set_size_boundaries(dev, 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(dev, start_addr, size)
+
# setup initial communication
SAD = int_to_hex_list(start_addr)
EAD = int_to_hex_list(end_addr)
nr_packet = (end_addr - start_addr) // 1024 # TODO: set other than just 1024
with open(img, 'wb') as f:
- for i in tqdm(range(0, nr_packet+1), desc="Reading progess"):
+ for i in tqdm(range(0, nr_packet+1), desc="Reading progress"):
ret = dev.recv_data(1024 + 6)
chunk = unpack_pkt(ret)
chunky = bytes(int(x, 16) for x in chunk)
dev.send_data(packed)
-def write_img(dev, img, start_addr, end_addr, verify=False):
+def write_img(dev, img, start_addr, size, verify=False):
if os.path.exists(img):
file_size = os.path.getsize(img)
else:
raise Exception(f'file {img} does not exist')
- # 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 - 1
+ if size == None:
+ size = file_size
+
+ if size > file_size:
+ raise ValueError("Write size > file size")
+
+ (start_addr, end_addr) = set_size_boundaries(dev, start_addr, size)
- chunk_size = 1024 # max is 1024
- #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")
+ chunk_size = 1024 # max is 1024 according to protocol
# setup initial communication
SAD = int_to_hex_list(start_addr)
EAD = int_to_hex_list(end_addr)
- #packed = pack_pkt(ERA_CMD, SAD + EAD) # actually works
packed = pack_pkt(WRI_CMD, SAD + EAD)
dev.send_data(packed)
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:
subparsers = parser.add_subparsers(dest="command", title="Commands")
- # Subparser for the write command
write_parser = subparsers.add_parser("write", help="Write data to flash")
- write_parser.add_argument("--start_address", type=int, default=0x0000, help="Start address")
- write_parser.add_argument("--end_address", type=int, help="End address")
+ write_parser.add_argument("--start_address", type=hex_type, default='0x0000', help="Start address")
+ write_parser.add_argument("--size", type=hex_type, default=None, help="Size in bytes")
write_parser.add_argument("--verify", action="store_true", help="Verify after writing")
write_parser.add_argument("file_name", type=str, help="File name")
- # Subparser for the read command
read_parser = subparsers.add_parser("read", help="Read data from flash")
- read_parser.add_argument("--start_address", type=int, default=0x000, help="Start address")
- read_parser.add_argument("--size", type=int, default=1024, help="Size in bytes")
+ read_parser.add_argument("--start_address", type=hex_type, default='0x0000', help="Start address")
+ 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")
- # Subparser for the info command
+ 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")
+
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()
- write_img(dev, "src/sample.bin", 0x8000, None, True)
- 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, "save.bin", 0x0000, 0x3FFFF)
- elif args.command == "info":
- dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
- status_con = inquire_connection(dev)
- if not status_con:
- dev.confirm_connection()
- get_dev_info(dev)
- get_area_info(dev)
+
+ if args.command in commands:
+ dev = RAConnect(VENDOR_ID, PRODUCT_ID)
+ area_cfg = get_area_info(dev)
+ dev.set_chip_layout(area_cfg)
+ commands[args.command](dev, args)
else:
parser.print_help()
if __name__ == "__main__":
main()
-
projects / renesas-ra-flasher / blobdiff