X-Git-Url: https://robinkrens.nl/gitweb/?a=blobdiff_plain;f=src%2FRAFlasher.py;h=f551e0d8d1ef0182ca3c2220c50da825e18ecff9;hb=11b2c60dee7b715d8ee69e5076547d6a7a499c17;hp=2e573efc532b6c57b0f197174e6305cc74ba3208;hpb=a8934fd680ded5901e18c04f2f5c8580397cfba2;p=renesas-ra-flasher diff --git a/src/RAFlasher.py b/src/RAFlasher.py index 2e573ef..f551e0d 100644 --- a/src/RAFlasher.py +++ b/src/RAFlasher.py @@ -1,85 +1,220 @@ import os import math +import time import argparse +import tempfile +from tqdm import tqdm from RAConnect import * from RAPacker import * -SECTOR_SIZE = 2048 +VENDOR_ID = 0x045B +PRODUCT_ID = 0x0261 -def verify_img(dev, img, start_addr, end_addr): - raise Exception("Not implemented") +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 write_img(dev, img, start_addr, end_addr, verify=False): +def int_to_hex_list(num): + hex_string = hex(num)[2:].upper() # convert to hex string + hex_string = hex_string.zfill(8) # pad for 8 char's long + hex_list = [f'0x{hex_string[c:c+2]}' for c in range(0, 8, 2)] + return hex_list + +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) + info = dev.recv_data(23) + msg = unpack_pkt(info) + fmt = '>BIIII' + KOA, SAD, EAD, EAU, WAU = struct.unpack(fmt, bytes(int(x, 16) for x in msg)) + 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, "") + dev.send_data(packed) + info = dev.recv_data(18) + fmt = '>IIIBBHH' + _HEADER, SCI, RMB, NOA, TYP, BFV, _FOOTER = struct.unpack(fmt, info) + print('====================') + if TYP == 0x02: + print('Chip: RA MCU + RA2/RA4 Series') + elif TYP == 0x03: + print('Chip: RA MCU + RA6 Series') + else: + 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}]') + print(f'User area in Data flash [{NOA & 0x03 >> 2}]') + 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)}') + + # 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) + + 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 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) + packed = pack_pkt(REA_CMD, SAD + EAD) + dev.send_data(packed) + + # calculate how many packets are have to be received + 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 progress"): + ret = dev.recv_data(1024 + 6) + chunk = unpack_pkt(ret) + chunky = bytes(int(x, 16) for x in chunk) + f.write(chunky) + packed = pack_pkt(REA_CMD, ['0x00'], ack=True) + dev.send_data(packed) + + +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 - print(end_addr) + 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 = 64 # 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(WRI_CMD, SAD + EAD) + dev.send_data(packed) + ret = dev.recv_data(7) + unpack_pkt(ret) + + totalread = 0 with open(img, 'rb') as f: - chunk = f.read(chunk_size) - while chunk: - packed = pack_pkt(WRI_CMD, chunk) - print(f'Sending {len(chunk)} bytes') - dev.send_data(packed) - reply_len = 7 - reply = dev.recv_data(reply_len) - #reply = b'\x81\x00\x02\x00\x00\xFE\x03' # test reply - if not reply == False: - msg = unpack_pkt(reply) - print(msg) + with tqdm(total=size, desc="Writing progress") as pbar: chunk = f.read(chunk_size) + pbar.update(len(chunk)) + while chunk and totalread < size: + if len(chunk) != chunk_size: + padding_length = chunk_size - len(chunk) + chunk += b'\0' * padding_length + packed = pack_pkt(WRI_CMD, chunk, ack=True) + dev.send_data(packed) + reply_len = 7 + 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, size) + c1 = tmp_file.read(file_size) # due to byte alignment read file is longer + c2 = cmp_file.read() + if c1 == c2: + print("Verify complete") + else: + print("Verify failed") def main(): parser = argparse.ArgumentParser(description="RA Flasher Tool") 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=0x1a86, product_id=0x7523) - print(args) - write_img(dev, args.file_name, args.start_address, args.end_address, args.verify) - elif args.command == "read": - print('read command') - elif args.command == "info": - print('info command') + + 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() -