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 inquire_connection(dev):
16 packed = pack_pkt(INQ_CMD, "")
18 info = dev.recv_data(7)
20 if info == bytearray(b'\x00') or info == bytearray(b''):
22 msg = unpack_pkt(info)
23 print("Connection already established")
27 def get_dev_info(dev):
29 packed = pack_pkt(SIG_CMD, "")
32 info = dev.recv_data(18)
33 print(info, len(info))
34 #info = b'\x81\x00\x0D\x3A\x01\x31\x2d\x00\x00\x1e\x84\x80\x04\x02\x0a\x08' # test
36 _HEADER, SCI, RMB, NOA, TYP, BFV, _FOOTER = struct.unpack(fmt, info)
38 print('====================')
39 print(f'Serial interface speed: {SCI} Hz')
40 print(f'Recommend max UART baud rate {RMB} bps')
42 print('RA MCU + RA2/RA4 Series')
44 print('RA MCU + RA6 Series')
46 print('Unknown MCU type')
47 print(f'Boot firmware version {BFV >> 8}.{BFV & 0xFF}')
48 print('====================')
51 def verify_img(dev, img, start_addr, end_addr):
52 raise Exception("Not implemented")
54 def write_img(dev, img, start_addr, end_addr, verify=False):
56 if os.path.exists(img):
57 file_size = os.path.getsize(img)
59 raise Exception(f'file {img} does not exist')
61 # calculate / check start and end address
62 if start_addr == None or end_addr == None:
63 if start_addr == None:
66 if start_addr % SECTOR_SIZE:
67 raise ValueError(f"start addr not aligned on sector size {SECTOR_SIZE}")
68 blocks = (file_size + SECTOR_SIZE - 1) // SECTOR_SIZE
69 end_addr = blocks * SECTOR_SIZE + start_addr
72 chunk_size = 64 # max is 1024
73 if (start_addr > 0xFF800): # for RA4 series
74 raise ValueError("start address value error")
75 if (end_addr <= start_addr or end_addr > 0xFF800):
76 raise ValueError("end address value error")
78 # setup initial communication
79 SAD = int_to_hex_list(start_addr)
80 EAD = int_to_hex_list(end_addr)
81 packed = pack_pkt(WRI_CMD, SAD + EAD)
83 ret = dev.recv_data(7)
85 with open(img, 'rb') as f:
86 chunk = f.read(chunk_size)
88 packed = pack_pkt(WRI_CMD, chunk)
89 print(f'Sending {len(chunk)} bytes')
92 reply = dev.recv_data(reply_len)
93 #reply = b'\x81\x00\x02\x00\x00\xFE\x03' # test reply
94 if not reply == False:
95 msg = unpack_pkt(reply)
97 chunk = f.read(chunk_size)
100 parser = argparse.ArgumentParser(description="RA Flasher Tool")
102 subparsers = parser.add_subparsers(dest="command", title="Commands")
104 # Subparser for the write command
105 write_parser = subparsers.add_parser("write", help="Write data to flash")
106 write_parser.add_argument("--start_address", type=int, default=0x0000, help="Start address")
107 write_parser.add_argument("--end_address", type=int, help="End address")
108 write_parser.add_argument("--verify", action="store_true", help="Verify after writing")
109 write_parser.add_argument("file_name", type=str, help="File name")
111 # Subparser for the read command
112 read_parser = subparsers.add_parser("read", help="Read data from flash")
113 read_parser.add_argument("--start_address", type=int, default=0x000, help="Start address")
114 read_parser.add_argument("--size", type=int, default=1024, help="Size in bytes")
115 read_parser.add_argument("file_name", type=str, help="File name")
117 # Subparser for the info command
118 subparsers.add_parser("info", help="Show flasher information")
120 args = parser.parse_args()
122 if args.command == "write":
123 dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
125 write_img(dev, args.file_name, args.start_address, args.end_address, args.verify)
126 elif args.command == "read":
127 print('read command')
128 elif args.command == "info":
129 dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
130 status_con = inquire_connection(dev)
132 #dev.establish_connection()
133 dev.confirm_connection()
138 if __name__ == "__main__":