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_area_info(dev):
29 print("===================")
30 packed = pack_pkt(ARE_CMD, [str(i)])
32 info = dev.recv_data(23)
33 msg = unpack_pkt(info)
35 KOA, SAD, EAD, EAU, WAU = struct.unpack(fmt, bytes(int(x, 16) for x in msg))
36 print(f'Area {KOA} - {hex(SAD)}:{hex(EAD)}')
37 print(f'Erase {hex(EAU)} bytes - write {hex(WAU)} bytes')
39 def get_dev_info(dev):
41 packed = pack_pkt(SIG_CMD, "")
44 info = dev.recv_data(18)
45 print(info, len(info))
46 #info = b'\x81\x00\x0D\x3A\x01\x31\x2d\x00\x00\x1e\x84\x80\x04\x02\x0a\x08' # test
48 _HEADER, SCI, RMB, NOA, TYP, BFV, _FOOTER = struct.unpack(fmt, info)
50 print('====================')
51 print(f'Serial interface speed: {SCI} Hz')
52 print(f'Recommend max UART baud rate {RMB} bps')
53 print(f'User area in Code flash [{NOA & 0x1}|{NOA & 0x02 >> 1}]')
54 print(f'User area in Data flash [{NOA & 0x03 >> 2}]')
55 print(f'Config area [{NOA & 0x04 >> 3}]')
57 print('RA MCU + RA2/RA4 Series')
59 print('RA MCU + RA6 Series')
61 print('Unknown MCU type')
62 print(f'Boot firmware version {BFV >> 8}.{BFV & 0xFF}')
63 print('====================')
66 def verify_img(dev, img, start_addr, end_addr):
67 raise Exception("Not implemented")
69 def write_img(dev, img, start_addr, end_addr, verify=False):
71 if os.path.exists(img):
72 file_size = os.path.getsize(img)
74 raise Exception(f'file {img} does not exist')
76 # calculate / check start and end address
77 if start_addr == None or end_addr == None:
78 if start_addr == None:
81 if start_addr % SECTOR_SIZE:
82 raise ValueError(f"start addr not aligned on sector size {SECTOR_SIZE}")
83 blocks = (file_size + SECTOR_SIZE - 1) // SECTOR_SIZE
84 end_addr = blocks * SECTOR_SIZE + start_addr
87 chunk_size = 64 # max is 1024
88 if (start_addr > 0xFF800): # for RA4 series
89 raise ValueError("start address value error")
90 if (end_addr <= start_addr or end_addr > 0xFF800):
91 raise ValueError("end address value error")
93 # setup initial communication
94 SAD = int_to_hex_list(start_addr)
95 EAD = int_to_hex_list(end_addr)
96 packed = pack_pkt(WRI_CMD, SAD + EAD)
98 ret = dev.recv_data(7)
100 with open(img, 'rb') as f:
101 chunk = f.read(chunk_size)
103 packed = pack_pkt(WRI_CMD, chunk)
104 print(f'Sending {len(chunk)} bytes')
105 dev.send_data(packed)
107 reply = dev.recv_data(reply_len)
108 #reply = b'\x81\x00\x02\x00\x00\xFE\x03' # test reply
109 if not reply == False:
110 msg = unpack_pkt(reply)
112 chunk = f.read(chunk_size)
115 parser = argparse.ArgumentParser(description="RA Flasher Tool")
117 subparsers = parser.add_subparsers(dest="command", title="Commands")
119 # Subparser for the write command
120 write_parser = subparsers.add_parser("write", help="Write data to flash")
121 write_parser.add_argument("--start_address", type=int, default=0x0000, help="Start address")
122 write_parser.add_argument("--end_address", type=int, help="End address")
123 write_parser.add_argument("--verify", action="store_true", help="Verify after writing")
124 write_parser.add_argument("file_name", type=str, help="File name")
126 # Subparser for the read command
127 read_parser = subparsers.add_parser("read", help="Read data from flash")
128 read_parser.add_argument("--start_address", type=int, default=0x000, help="Start address")
129 read_parser.add_argument("--size", type=int, default=1024, help="Size in bytes")
130 read_parser.add_argument("file_name", type=str, help="File name")
132 # Subparser for the info command
133 subparsers.add_parser("info", help="Show flasher information")
135 args = parser.parse_args()
137 if args.command == "write":
138 dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
140 write_img(dev, args.file_name, args.start_address, args.end_address, args.verify)
141 elif args.command == "read":
142 print('read command')
143 elif args.command == "info":
144 dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
145 status_con = inquire_connection(dev)
147 #dev.establish_connection()
148 dev.confirm_connection()
154 if __name__ == "__main__":