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Updated formatting of cbm

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This commit is contained in:
Kevin Thomas
2026-04-07 19:40:29 -04:00
parent 6ac25d6996
commit b3aaf950d7
117 changed files with 619 additions and 7741 deletions
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uf2conv.py
+131 -58
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@@ -10,9 +10,9 @@ import json
from time import sleep
UF2_MAGIC_START0 = 0x0A324655 # "UF2\n"
UF2_MAGIC_START1 = 0x9E5D5157 # Randomly selected
UF2_MAGIC_END = 0x0AB16F30 # Ditto
UF2_MAGIC_START0 = 0x0A324655 # "UF2\n"
UF2_MAGIC_START1 = 0x9E5D5157 # Randomly selected
UF2_MAGIC_END = 0x0AB16F30 # Ditto
INFO_FILE = "/INFO_UF2.TXT"
@@ -24,15 +24,17 @@ def is_uf2(buf):
w = struct.unpack("<II", buf[0:8])
return w[0] == UF2_MAGIC_START0 and w[1] == UF2_MAGIC_START1
def is_hex(buf):
try:
w = buf[0:30].decode("utf-8")
except UnicodeDecodeError:
return False
if w[0] == ':' and re.match(rb"^[:0-9a-fA-F\r\n]+$", buf):
if w[0] == ":" and re.match(rb"^[:0-9a-fA-F\r\n]+$", buf):
return True
return False
def convert_from_uf2(buf):
global appstartaddr
global familyid
@@ -45,7 +47,7 @@ def convert_from_uf2(buf):
outp = []
for blockno in range(numblocks):
ptr = blockno * 512
block = buf[ptr:ptr + 512]
block = buf[ptr : ptr + 512]
hd = struct.unpack(b"<IIIIIIII", block[0:32])
if hd[0] != UF2_MAGIC_START0 or hd[1] != UF2_MAGIC_START1:
print("Skipping block at " + ptr + "; bad magic")
@@ -62,12 +64,12 @@ def convert_from_uf2(buf):
if curraddr == None or ((hd[2] & 0x2000) and hd[7] != currfamilyid):
currfamilyid = hd[7]
curraddr = newaddr
if familyid == 0x0 or familyid == hd[7]:
appstartaddr = newaddr
if familyid == 0x0 or familyid == hd[7]:
appstartaddr = newaddr
padding = newaddr - curraddr
if padding < 0:
assert False, "Block out of order at " + ptr
if padding > 10*1024*1024:
if padding > 10 * 1024 * 1024:
assert False, "More than 10M of padding needed at " + ptr
if padding % 4 != 0:
assert False, "Non-word padding size at " + ptr
@@ -95,7 +97,11 @@ def convert_from_uf2(buf):
for name, value in families.items():
if value == family_hex:
family_short_name = name
print("Family ID is {:s}, hex value is 0x{:08x}".format(family_short_name,family_hex))
print(
"Family ID is {:s}, hex value is 0x{:08x}".format(
family_short_name, family_hex
)
)
print("Target Address is 0x{:08x}".format(families_found[family_hex]))
if all_flags_same:
print("All block flag values consistent, 0x{:04x}".format(hd[2]))
@@ -107,6 +113,7 @@ def convert_from_uf2(buf):
appstartaddr = 0x0
return b"".join(outp)
def convert_to_carray(file_content):
outp = "const unsigned long bindata_len = %d;\n" % len(file_content)
outp += "const unsigned char bindata[] __attribute__((aligned(16))) = {"
@@ -117,6 +124,7 @@ def convert_to_carray(file_content):
outp += "\n};\n"
return bytes(outp, "utf-8")
def convert_to_uf2(file_content):
global familyid
datapadding = b""
@@ -126,13 +134,21 @@ def convert_to_uf2(file_content):
outp = []
for blockno in range(numblocks):
ptr = 256 * blockno
chunk = file_content[ptr:ptr + 256]
chunk = file_content[ptr : ptr + 256]
flags = 0x0
if familyid:
flags |= 0x2000
hd = struct.pack(b"<IIIIIIII",
UF2_MAGIC_START0, UF2_MAGIC_START1,
flags, ptr + appstartaddr, 256, blockno, numblocks, familyid)
hd = struct.pack(
b"<IIIIIIII",
UF2_MAGIC_START0,
UF2_MAGIC_START1,
flags,
ptr + appstartaddr,
256,
blockno,
numblocks,
familyid,
)
while len(chunk) < 256:
chunk += b"\x00"
block = hd + chunk + datapadding + struct.pack(b"<I", UF2_MAGIC_END)
@@ -140,6 +156,7 @@ def convert_to_uf2(file_content):
outp.append(block)
return b"".join(outp)
class Block:
def __init__(self, addr, default_data=0xFF):
self.addr = addr
@@ -150,28 +167,37 @@ class Block:
flags = 0x0
if familyid:
flags |= 0x2000
hd = struct.pack("<IIIIIIII",
UF2_MAGIC_START0, UF2_MAGIC_START1,
flags, self.addr, 256, blockno, numblocks, familyid)
hd = struct.pack(
"<IIIIIIII",
UF2_MAGIC_START0,
UF2_MAGIC_START1,
flags,
self.addr,
256,
blockno,
numblocks,
familyid,
)
hd += self.bytes[0:256]
while len(hd) < 512 - 4:
hd += b"\x00"
hd += struct.pack("<I", UF2_MAGIC_END)
return hd
def convert_from_hex_to_uf2(buf):
global appstartaddr
appstartaddr = None
upper = 0
currblock = None
blocks = []
for line in buf.split('\n'):
for line in buf.split("\n"):
if line[0] != ":":
continue
i = 1
rec = []
while i < len(line) - 1:
rec.append(int(line[i:i+2], 16))
rec.append(int(line[i : i + 2], 16))
i += 2
tp = rec[3]
if tp == 4:
@@ -186,10 +212,10 @@ def convert_from_hex_to_uf2(buf):
appstartaddr = addr
i = 4
while i < len(rec) - 1:
if not currblock or currblock.addr & ~0xff != addr & ~0xff:
currblock = Block(addr & ~0xff)
if not currblock or currblock.addr & ~0xFF != addr & ~0xFF:
currblock = Block(addr & ~0xFF)
blocks.append(currblock)
currblock.bytes[addr & 0xff] = rec[i]
currblock.bytes[addr & 0xFF] = rec[i]
addr += 1
i += 1
numblocks = len(blocks)
@@ -198,17 +224,21 @@ def convert_from_hex_to_uf2(buf):
resfile += blocks[i].encode(i, numblocks)
return resfile
def to_str(b):
return b.decode("utf-8")
def get_drives():
drives = []
if sys.platform == "win32":
r = subprocess.check_output([
"powershell",
"-Command",
'(Get-WmiObject Win32_LogicalDisk -Filter "VolumeName=\'RPI-RP2\'").DeviceID'
])
r = subprocess.check_output(
[
"powershell",
"-Command",
"(Get-WmiObject Win32_LogicalDisk -Filter \"VolumeName='RPI-RP2'\").DeviceID",
]
)
drive = to_str(r).strip()
if drive:
drives.append(drive)
@@ -217,7 +247,10 @@ def get_drives():
if sys.platform == "darwin":
searchpaths = ["/Volumes"]
elif sys.platform == "linux":
searchpaths += ["/media/" + os.environ["USER"], "/run/media/" + os.environ["USER"]]
searchpaths += [
"/media/" + os.environ["USER"],
"/run/media/" + os.environ["USER"],
]
if "SUDO_USER" in os.environ.keys():
searchpaths += ["/media/" + os.environ["SUDO_USER"]]
searchpaths += ["/run/media/" + os.environ["SUDO_USER"]]
@@ -228,7 +261,6 @@ def get_drives():
if os.path.isdir(os.path.join(rootpath, d)):
drives.append(os.path.join(rootpath, d))
def has_info(d):
try:
return os.path.isfile(d + INFO_FILE)
@@ -239,7 +271,7 @@ def get_drives():
def board_id(path):
with open(path + INFO_FILE, mode='r') as file:
with open(path + INFO_FILE, mode="r") as file:
file_content = file.read()
return re.search(r"Board-ID: ([^\r\n]*)", file_content).group(1)
@@ -273,34 +305,70 @@ def load_families():
def main():
global appstartaddr, familyid
def error(msg):
print(msg, file=sys.stderr)
sys.exit(1)
parser = argparse.ArgumentParser(description='Convert to UF2 or flash directly.')
parser.add_argument('input', metavar='INPUT', type=str, nargs='?',
help='input file (HEX, BIN or UF2)')
parser.add_argument('-b', '--base', dest='base', type=str,
default="0x2000",
help='set base address of application for BIN format (default: 0x2000)')
parser.add_argument('-f', '--family', dest='family', type=str,
default="0x0",
help='specify familyID - number or name (default: 0x0)')
parser.add_argument('-o', '--output', metavar="FILE", dest='output', type=str,
help='write output to named file; defaults to "flash.uf2" or "flash.bin" where sensible')
parser.add_argument('-d', '--device', dest="device_path",
help='select a device path to flash')
parser.add_argument('-l', '--list', action='store_true',
help='list connected devices')
parser.add_argument('-c', '--convert', action='store_true',
help='do not flash, just convert')
parser.add_argument('-D', '--deploy', action='store_true',
help='just flash, do not convert')
parser.add_argument('-w', '--wait', action='store_true',
help='wait for device to flash')
parser.add_argument('-C', '--carray', action='store_true',
help='convert binary file to a C array, not UF2')
parser.add_argument('-i', '--info', action='store_true',
help='display header information from UF2, do not convert')
parser = argparse.ArgumentParser(description="Convert to UF2 or flash directly.")
parser.add_argument(
"input",
metavar="INPUT",
type=str,
nargs="?",
help="input file (HEX, BIN or UF2)",
)
parser.add_argument(
"-b",
"--base",
dest="base",
type=str,
default="0x2000",
help="set base address of application for BIN format (default: 0x2000)",
)
parser.add_argument(
"-f",
"--family",
dest="family",
type=str,
default="0x0",
help="specify familyID - number or name (default: 0x0)",
)
parser.add_argument(
"-o",
"--output",
metavar="FILE",
dest="output",
type=str,
help='write output to named file; defaults to "flash.uf2" or "flash.bin" where sensible',
)
parser.add_argument(
"-d", "--device", dest="device_path", help="select a device path to flash"
)
parser.add_argument(
"-l", "--list", action="store_true", help="list connected devices"
)
parser.add_argument(
"-c", "--convert", action="store_true", help="do not flash, just convert"
)
parser.add_argument(
"-D", "--deploy", action="store_true", help="just flash, do not convert"
)
parser.add_argument(
"-w", "--wait", action="store_true", help="wait for device to flash"
)
parser.add_argument(
"-C",
"--carray",
action="store_true",
help="convert binary file to a C array, not UF2",
)
parser.add_argument(
"-i",
"--info",
action="store_true",
help="display header information from UF2, do not convert",
)
args = parser.parse_args()
appstartaddr = int(args.base, 0)
@@ -312,14 +380,17 @@ def main():
try:
familyid = int(args.family, 0)
except ValueError:
error("Family ID needs to be a number or one of: " + ", ".join(families.keys()))
error(
"Family ID needs to be a number or one of: "
+ ", ".join(families.keys())
)
if args.list:
list_drives()
else:
if not args.input:
error("Need input file")
with open(args.input, mode='rb') as f:
with open(args.input, mode="rb") as f:
inpbuf = f.read()
from_uf2 = is_uf2(inpbuf)
ext = "uf2"
@@ -339,8 +410,10 @@ def main():
else:
outbuf = convert_to_uf2(inpbuf)
if not args.deploy and not args.info:
print("Converted to %s, output size: %d, start address: 0x%x" %
(ext, len(outbuf), appstartaddr))
print(
"Converted to %s, output size: %d, start address: 0x%x"
% (ext, len(outbuf), appstartaddr)
)
if args.convert or ext != "uf2":
if args.output == None:
args.output = "flash." + ext