import os
import math
+import time
+import argparse
+import tempfile
+from tqdm import tqdm
from RAConnect import *
from RAPacker import *
SECTOR_SIZE = 2048
-def verify_img(dev, img, start_addr, end_addr):
- raise Exception("Not implemented")
+def int_to_hex_list(num):
+ hex_string = hex(num)[2:].upper() # convert to hex string
+ hex_string = hex_string.zfill(8) # pad for 8 char's long
+ hex_list = [f'0x{hex_string[c:c+2]}' for c in range(0, 8, 2)]
+ return hex_list
-def write_img(dev, img, start_addr, end_addr, verify=False):
+def hex_type(string):
+ try:
+ value = int(string, 16)
+ return value
+ except ValueError:
+ raise argparse.ArgumentTypeError(f"'{string}' is not a valid hexadecimal value.")
+
+def set_size_boundaries(start_addr, size):
+ if start_addr % SECTOR_SIZE:
+ raise ValueError(f"start addr not aligned on sector size {SECTOR_SIZE}")
+
+ if size < SECTOR_SIZE:
+ print("Warning: you are trying to write something that is less than one sector size: padding with zeroes")
+
+ blocks = (size + SECTOR_SIZE - 1) // SECTOR_SIZE
+ end_addr = blocks * SECTOR_SIZE + start_addr - 1
+
+ if (end_addr <= start_addr):
+ raise ValueError(f"End address smaller or equal than start_address")
+
+ if (end_addr > 0x3FFFF):
+ raise ValueError(f"Binary file is bigger than available ROM space")
+
+ return (start_addr, end_addr)
+
+def inquire_connection(dev):
+ packed = pack_pkt(INQ_CMD, "")
+ dev.send_data(packed)
+ info = dev.recv_data(7)
+ if info == bytearray(b'\x00') or info == bytearray(b''):
+ return False
+ msg = unpack_pkt(info)
+ #print("Connection already established")
+ return True
+
+def get_area_info(dev):
+ for i in [0,1,2]:
+ packed = pack_pkt(ARE_CMD, [str(i)])
+ dev.send_data(packed)
+ info = dev.recv_data(23)
+ msg = unpack_pkt(info)
+ fmt = '>BIIII'
+ KOA, SAD, EAD, EAU, WAU = struct.unpack(fmt, bytes(int(x, 16) for x in msg))
+ print(f'Area {KOA}: {hex(SAD)}:{hex(EAD)} (erase {hex(EAU)} - write {hex(WAU)})')
+
+def get_dev_info(dev):
+ packed = pack_pkt(SIG_CMD, "")
+ dev.send_data(packed)
+ info = dev.recv_data(18)
+ fmt = '>IIIBBHH'
+ _HEADER, SCI, RMB, NOA, TYP, BFV, _FOOTER = struct.unpack(fmt, info)
+ print('====================')
+ if TYP == 0x02:
+ print('Chip: RA MCU + RA2/RA4 Series')
+ elif TYP == 0x03:
+ print('Chip: RA MCU + RA6 Series')
+ else:
+ rint('Unknown MCU type')
+ print(f'Serial interface speed: {SCI} Hz')
+ print(f'Recommend max UART baud rate: {RMB} bps')
+ print(f'User area in Code flash [{NOA & 0x1}|{NOA & 0x02 >> 1}]')
+ print(f'User area in Data flash [{NOA & 0x03 >> 2}]')
+ print(f'Config area [{NOA & 0x04 >> 3}]')
+ print(f'Boot firmware: version {BFV >> 8}.{BFV & 0xFF}')
+
+def erase_chip(dev, start_addr, size):
+
+ if size == None:
+ size = 0x3FFFF - start_addr # erase all
+
+ (start_addr, end_addr) = set_size_boundaries(start_addr, size)
+ print(f'Erasing {hex(start_addr)}:{hex(end_addr)}')
+
+ # setup initial communication
+ SAD = int_to_hex_list(start_addr)
+ EAD = int_to_hex_list(end_addr)
+ packed = pack_pkt(ERA_CMD, SAD + EAD)
+ dev.send_data(packed)
+
+ ret = dev.recv_data(7, timeout=1000) # erase takes usually a bit longer
+ unpack_pkt(ret)
+ print("Erase complete")
+
+def read_img(dev, img, start_addr, size):
+
+ if size == None:
+ size = 0x3FFFF - start_addr # read maximum possible
+
+ (start_addr, end_addr) = set_size_boundaries(start_addr, size)
+
+ # setup initial communication
+ SAD = int_to_hex_list(start_addr)
+ EAD = int_to_hex_list(end_addr)
+ packed = pack_pkt(REA_CMD, SAD + EAD)
+ dev.send_data(packed)
+
+ # calculate how many packets are have to be received
+ nr_packet = (end_addr - start_addr) // 1024 # TODO: set other than just 1024
+
+ with open(img, 'wb') as f:
+ for i in tqdm(range(0, nr_packet+1), desc="Reading progress"):
+ ret = dev.recv_data(1024 + 6)
+ chunk = unpack_pkt(ret)
+ chunky = bytes(int(x, 16) for x in chunk)
+ f.write(chunky)
+ packed = pack_pkt(REA_CMD, ['0x00'], ack=True)
+ dev.send_data(packed)
+
+
+def write_img(dev, img, start_addr, size, verify=False):
if os.path.exists(img):
file_size = os.path.getsize(img)
else:
raise Exception(f'file {img} does not exist')
- # calculate / check start and end address
- if start_addr == None or end_addr == None:
- if start_addr == None:
- start_addr = 0
- # align start addr
- if start_addr % SECTOR_SIZE:
- raise ValueError(f"start addr not aligned on sector size {SECTOR_SIZE}")
- blocks = (file_size + SECTOR_SIZE - 1) // SECTOR_SIZE
- end_addr = blocks * SECTOR_SIZE + start_addr
- print(end_addr)
-
- chunk_size = 64 # max is 1024
- if (start_addr > 0xFF800): # for RA4 series
- raise ValueError("start address value error")
- if (end_addr <= start_addr or end_addr > 0xFF800):
- raise ValueError("end address value error")
+ if size == None:
+ size = file_size
+
+ if size > file_size:
+ raise ValueError("Write size > file size")
+
+ (start_addr, end_addr) = set_size_boundaries(start_addr, size)
+
+ chunk_size = 1024 # max is 1024 according to protocol
+
+ # setup initial communication
+ SAD = int_to_hex_list(start_addr)
+ EAD = int_to_hex_list(end_addr)
+ packed = pack_pkt(WRI_CMD, SAD + EAD)
+ dev.send_data(packed)
+ ret = dev.recv_data(7)
+ unpack_pkt(ret)
+
+ totalread = 0
with open(img, 'rb') as f:
- chunk = f.read(chunk_size)
- while chunk:
- packed = pack_pkt(WRI_CMD, chunk)
- print(f'Sending {len(chunk)} bytes')
- dev.send_data(packed)
- reply_len = 7
- reply = dev.recv_data(reply_len)
- #reply = b'\x81\x00\x02\x00\x00\xFE\x03' # test reply
- if not reply == False:
- msg = unpack_pkt(reply)
- print(msg)
+ with tqdm(total=size, desc="Writing progress") as pbar:
chunk = f.read(chunk_size)
+ pbar.update(len(chunk))
+ while chunk and totalread < size:
+ if len(chunk) != chunk_size:
+ padding_length = chunk_size - len(chunk)
+ chunk += b'\0' * padding_length
+ packed = pack_pkt(WRI_CMD, chunk, ack=True)
+ dev.send_data(packed)
+ reply_len = 7
+ reply = dev.recv_data(reply_len)
+ msg = unpack_pkt(reply)
+ chunk = f.read(chunk_size)
+ totalread += chunk_size
+ pbar.update(len(chunk))
+
+ if verify:
+ with tempfile.NamedTemporaryFile(prefix='.hidden_', delete=False) as tmp_file, open(img, 'rb') as cmp_file:
+ read_img(dev, tmp_file.name, start_addr, size)
+ c1 = tmp_file.read(file_size) # due to byte alignment read file is longer
+ c2 = cmp_file.read()
+ if c1 == c2:
+ print("Verify complete")
+ else:
+ print("Verify failed")
+
+def main():
+ parser = argparse.ArgumentParser(description="RA Flasher Tool")
+
+ subparsers = parser.add_subparsers(dest="command", title="Commands")
+
+ # Subparser for the write command
+ write_parser = subparsers.add_parser("write", help="Write data to flash")
+ write_parser.add_argument("--start_address", type=hex_type, default='0x0000', help="Start address")
+ write_parser.add_argument("--size", type=hex_type, default=None, help="Size in bytes")
+ write_parser.add_argument("--verify", action="store_true", help="Verify after writing")
+ write_parser.add_argument("file_name", type=str, help="File name")
+
+ # Subparser for the read command
+ read_parser = subparsers.add_parser("read", help="Read data from flash")
+ read_parser.add_argument("--start_address", type=hex_type, default='0x0000', help="Start address")
+ read_parser.add_argument("--size", type=hex_type, default=None, help="Size in bytes")
+ read_parser.add_argument("file_name", type=str, help="File name")
+
+ erase_parser = subparsers.add_parser("erase", help="Erase sectors")
+ erase_parser.add_argument("--start_address", default='0x0000', type=hex_type, help="Start address")
+ erase_parser.add_argument("--size", type=hex_type, help="Size")
+
+ # Subparser for the info command
+ subparsers.add_parser("info", help="Show flasher information")
+
+ args = parser.parse_args()
+
+ if args.command == "write":
+ dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
+ status_con = inquire_connection(dev)
+ if not status_con:
+ dev.confirm_connection()
+ write_img(dev, args.file_name, args.start_address, args.size, args.verify)
+ elif args.command == "read":
+ dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
+ status_con = inquire_connection(dev)
+ if not status_con:
+ dev.confirm_connection()
+ read_img(dev, args.file_name, args.start_address, args.size)
+ elif args.command == "erase":
+ dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
+ status_con = inquire_connection(dev)
+ if not status_con:
+ dev.confirm_connection()
+ erase_chip(dev, args.start_address, args.size)
+ elif args.command == "info":
+ dev = RAConnect(vendor_id=0x045B, product_id=0x0261)
+ status_con = inquire_connection(dev)
+ if not status_con:
+ dev.confirm_connection()
+ get_dev_info(dev)
+ get_area_info(dev)
+ else:
+ parser.print_help()
-dev = RAConnect(vendor_id=0x1a86, product_id=0x7523)
-write_img(dev, 'src/sample.bin', 0x800, None, True)
+if __name__ == "__main__":
+ main()