4 from RAConnect import *
9 def int_to_hex_list(num):
10 hex_string = hex(num)[2:].upper() # convert to hex string
11 hex_string = hex_string.zfill(8) # pad for 8 char's long
12 hex_list = [f'0x{hex_string[c:c+2]}' for c in range(0, 8, 2)]
15 def get_dev_info(dev):
17 packed = pack_pkt(SIG_CMD, "")
20 info = dev.recv_data(18)
21 print(info, len(info))
22 #info = b'\x81\x00\x0D\x3A\x01\x31\x2d\x00\x00\x1e\x84\x80\x04\x02\x0a\x08' # test
24 _HEADER, SCI, RMB, NOA, TYP, BFV, _FOOTER = struct.unpack(fmt, info)
25 print(f'Ver{BFV >> 8}.{BFV & 0xFF}')
27 def verify_img(dev, img, start_addr, end_addr):
28 raise Exception("Not implemented")
30 def write_img(dev, img, start_addr, end_addr, verify=False):
32 if os.path.exists(img):
33 file_size = os.path.getsize(img)
35 raise Exception(f'file {img} does not exist')
37 # calculate / check start and end address
38 if start_addr == None or end_addr == None:
39 if start_addr == None:
42 if start_addr % SECTOR_SIZE:
43 raise ValueError(f"start addr not aligned on sector size {SECTOR_SIZE}")
44 blocks = (file_size + SECTOR_SIZE - 1) // SECTOR_SIZE
45 end_addr = blocks * SECTOR_SIZE + start_addr
48 chunk_size = 64 # max is 1024
49 if (start_addr > 0xFF800): # for RA4 series
50 raise ValueError("start address value error")
51 if (end_addr <= start_addr or end_addr > 0xFF800):
52 raise ValueError("end address value error")
54 # setup initial communication
55 SAD = int_to_hex_list(start_addr)
56 EAD = int_to_hex_list(end_addr)
57 packed = pack_pkt(WRI_CMD, SAD + EAD)
59 ret = dev.recv_data(7)
61 with open(img, 'rb') as f:
62 chunk = f.read(chunk_size)
64 packed = pack_pkt(WRI_CMD, chunk)
65 print(f'Sending {len(chunk)} bytes')
68 reply = dev.recv_data(reply_len)
69 #reply = b'\x81\x00\x02\x00\x00\xFE\x03' # test reply
70 if not reply == False:
71 msg = unpack_pkt(reply)
73 chunk = f.read(chunk_size)
76 parser = argparse.ArgumentParser(description="RA Flasher Tool")
78 subparsers = parser.add_subparsers(dest="command", title="Commands")
80 # Subparser for the write command
81 write_parser = subparsers.add_parser("write", help="Write data to flash")
82 write_parser.add_argument("--start_address", type=int, default=0x0000, help="Start address")
83 write_parser.add_argument("--end_address", type=int, help="End address")
84 write_parser.add_argument("--verify", action="store_true", help="Verify after writing")
85 write_parser.add_argument("file_name", type=str, help="File name")
87 # Subparser for the read command
88 read_parser = subparsers.add_parser("read", help="Read data from flash")
89 read_parser.add_argument("--start_address", type=int, default=0x000, help="Start address")
90 read_parser.add_argument("--size", type=int, default=1024, help="Size in bytes")
91 read_parser.add_argument("file_name", type=str, help="File name")
93 # Subparser for the info command
94 subparsers.add_parser("info", help="Show flasher information")
96 args = parser.parse_args()
98 if args.command == "write":
99 dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
101 write_img(dev, args.file_name, args.start_address, args.end_address, args.verify)
102 elif args.command == "read":
103 print('read command')
104 elif args.command == "info":
105 dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
106 dev.establish_connection()
107 dev.confirm_connection()
112 if __name__ == "__main__":