4 from RAConnect import *
9 def verify_img(dev, img, start_addr, end_addr):
10 raise Exception("Not implemented")
12 def write_img(dev, img, start_addr, end_addr, verify=False):
14 if os.path.exists(img):
15 file_size = os.path.getsize(img)
17 raise Exception(f'file {img} does not exist')
19 # calculate / check start and end address
20 if start_addr == None or end_addr == None:
21 if start_addr == None:
24 if start_addr % SECTOR_SIZE:
25 raise ValueError(f"start addr not aligned on sector size {SECTOR_SIZE}")
26 blocks = (file_size + SECTOR_SIZE - 1) // SECTOR_SIZE
27 end_addr = blocks * SECTOR_SIZE + start_addr
30 chunk_size = 64 # max is 1024
31 if (start_addr > 0xFF800): # for RA4 series
32 raise ValueError("start address value error")
33 if (end_addr <= start_addr or end_addr > 0xFF800):
34 raise ValueError("end address value error")
35 with open(img, 'rb') as f:
36 chunk = f.read(chunk_size)
38 packed = pack_pkt(WRI_CMD, chunk)
39 print(f'Sending {len(chunk)} bytes')
42 reply = dev.recv_data(reply_len)
43 #reply = b'\x81\x00\x02\x00\x00\xFE\x03' # test reply
44 if not reply == False:
45 msg = unpack_pkt(reply)
47 chunk = f.read(chunk_size)
50 parser = argparse.ArgumentParser(description="RA Flasher Tool")
52 subparsers = parser.add_subparsers(dest="command", title="Commands")
54 # Subparser for the write command
55 write_parser = subparsers.add_parser("write", help="Write data to flash")
56 write_parser.add_argument("--start_address", type=int, default=0x0000, help="Start address")
57 write_parser.add_argument("--end_address", type=int, help="End address")
58 write_parser.add_argument("--verify", action="store_true", help="Verify after writing")
59 write_parser.add_argument("file_name", type=str, help="File name")
61 # Subparser for the read command
62 read_parser = subparsers.add_parser("read", help="Read data from flash")
63 read_parser.add_argument("--start_address", type=int, default=0x000, help="Start address")
64 read_parser.add_argument("--size", type=int, default=1024, help="Size in bytes")
65 read_parser.add_argument("file_name", type=str, help="File name")
67 # Subparser for the info command
68 subparsers.add_parser("info", help="Show flasher information")
70 args = parser.parse_args()
72 if args.command == "write":
73 dev = RAConnect(vendor_id=0x1a86, product_id=0x7523)
75 write_img(dev, args.file_name, args.start_address, args.end_address, args.verify)
76 elif args.command == "read":
78 elif args.command == "info":
83 if __name__ == "__main__":