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)
26 print('====================')
27 print(f'Serial interface speed: {SCI} Hz')
28 print(f'Recommend max UART baud rate {RMB} bps')
30 print('RA MCU + RA2/RA4 Series')
32 print('RA MCU + RA6 Series')
34 print('Unknown MCU type')
35 print(f'Boot firmware version {BFV >> 8}.{BFV & 0xFF}')
36 print('====================')
39 def verify_img(dev, img, start_addr, end_addr):
40 raise Exception("Not implemented")
42 def write_img(dev, img, start_addr, end_addr, verify=False):
44 if os.path.exists(img):
45 file_size = os.path.getsize(img)
47 raise Exception(f'file {img} does not exist')
49 # calculate / check start and end address
50 if start_addr == None or end_addr == None:
51 if start_addr == None:
54 if start_addr % SECTOR_SIZE:
55 raise ValueError(f"start addr not aligned on sector size {SECTOR_SIZE}")
56 blocks = (file_size + SECTOR_SIZE - 1) // SECTOR_SIZE
57 end_addr = blocks * SECTOR_SIZE + start_addr
60 chunk_size = 64 # max is 1024
61 if (start_addr > 0xFF800): # for RA4 series
62 raise ValueError("start address value error")
63 if (end_addr <= start_addr or end_addr > 0xFF800):
64 raise ValueError("end address value error")
66 # setup initial communication
67 SAD = int_to_hex_list(start_addr)
68 EAD = int_to_hex_list(end_addr)
69 packed = pack_pkt(WRI_CMD, SAD + EAD)
71 ret = dev.recv_data(7)
73 with open(img, 'rb') as f:
74 chunk = f.read(chunk_size)
76 packed = pack_pkt(WRI_CMD, chunk)
77 print(f'Sending {len(chunk)} bytes')
80 reply = dev.recv_data(reply_len)
81 #reply = b'\x81\x00\x02\x00\x00\xFE\x03' # test reply
82 if not reply == False:
83 msg = unpack_pkt(reply)
85 chunk = f.read(chunk_size)
88 parser = argparse.ArgumentParser(description="RA Flasher Tool")
90 subparsers = parser.add_subparsers(dest="command", title="Commands")
92 # Subparser for the write command
93 write_parser = subparsers.add_parser("write", help="Write data to flash")
94 write_parser.add_argument("--start_address", type=int, default=0x0000, help="Start address")
95 write_parser.add_argument("--end_address", type=int, help="End address")
96 write_parser.add_argument("--verify", action="store_true", help="Verify after writing")
97 write_parser.add_argument("file_name", type=str, help="File name")
99 # Subparser for the read command
100 read_parser = subparsers.add_parser("read", help="Read data from flash")
101 read_parser.add_argument("--start_address", type=int, default=0x000, help="Start address")
102 read_parser.add_argument("--size", type=int, default=1024, help="Size in bytes")
103 read_parser.add_argument("file_name", type=str, help="File name")
105 # Subparser for the info command
106 subparsers.add_parser("info", help="Show flasher information")
108 args = parser.parse_args()
110 if args.command == "write":
111 dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
113 write_img(dev, args.file_name, args.start_address, args.end_address, args.verify)
114 elif args.command == "read":
115 print('read command')
116 elif args.command == "info":
117 dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
118 dev.establish_connection()
119 dev.confirm_connection()
124 if __name__ == "__main__":