X-Git-Url: https://robinkrens.nl/gitweb/?a=blobdiff_plain;f=src%2FRAFlasher.py;h=f551e0d8d1ef0182ca3c2220c50da825e18ecff9;hb=6d8482febc4d29c3adeb01fac942d67a60194799;hp=4ec729de74a43cb32562813adb7460648c43c25f;hpb=f15385d38fa70f20f1d7ad4e8b30ce8728da4d57;p=renesas-ra-flasher diff --git a/src/RAFlasher.py b/src/RAFlasher.py index 4ec729d..f551e0d 100644 --- a/src/RAFlasher.py +++ b/src/RAFlasher.py @@ -7,7 +7,15 @@ from tqdm import tqdm 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 @@ -22,35 +30,29 @@ def hex_type(string): except ValueError: raise argparse.ArgumentTypeError(f"'{string}' is not a valid hexadecimal value.") -def set_size_boundaries(start_addr, size): - if start_addr % SECTOR_SIZE: - raise ValueError(f"start addr not aligned on sector size {SECTOR_SIZE}") +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: + 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 + 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 > 0x3FFFF): + 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 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 get_area_info(dev, output=False): + cfg = {} for i in [0,1,2]: packed = pack_pkt(ARE_CMD, [str(i)]) dev.send_data(packed) @@ -58,7 +60,11 @@ def get_area_info(dev): 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, "") @@ -72,7 +78,7 @@ def get_dev_info(dev): elif TYP == 0x03: print('Chip: RA MCU + RA6 Series') else: - rint('Unknown MCU type') + print('Unknown MCU type') print(f'Serial interface speed: {SCI} Hz') print(f'Recommend max UART baud rate: {RMB} bps') print(f'User area in Code flash [{NOA & 0x1}|{NOA & 0x02 >> 1}]') @@ -80,27 +86,31 @@ def get_dev_info(dev): 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) @@ -133,8 +143,7 @@ def write_img(dev, img, start_addr, size, verify=False): if size > file_size: raise ValueError("Write size > file size") - (start_addr, end_addr) = set_size_boundaries(start_addr, size) - print(start_addr, end_addr) + (start_addr, end_addr) = set_size_boundaries(dev, start_addr, size) chunk_size = 1024 # max is 1024 according to protocol @@ -146,11 +155,12 @@ def write_img(dev, img, start_addr, size, verify=False): 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 @@ -160,12 +170,13 @@ def write_img(dev, img, start_addr, size, verify=False): 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: @@ -178,47 +189,32 @@ def main(): 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=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=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() - #print(args.start_address, args.size) - 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) - 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() -