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-rw-r--r--Sensor Watch Starter Project/make/uf2conv.py302
1 files changed, 0 insertions, 302 deletions
diff --git a/Sensor Watch Starter Project/make/uf2conv.py b/Sensor Watch Starter Project/make/uf2conv.py
deleted file mode 100644
index 849e6499..00000000
--- a/Sensor Watch Starter Project/make/uf2conv.py
+++ /dev/null
@@ -1,302 +0,0 @@
-#!/usr/bin/env python3
-import sys
-import struct
-import subprocess
-import re
-import os
-import os.path
-import argparse
-
-
-UF2_MAGIC_START0 = 0x0A324655 # "UF2\n"
-UF2_MAGIC_START1 = 0x9E5D5157 # Randomly selected
-UF2_MAGIC_END = 0x0AB16F30 # Ditto
-
-families = {
- 'SAMD21': 0x68ed2b88,
- 'SAML21': 0x1851780a,
- 'SAML22': 0x2c29472f,
- 'SAMD51': 0x55114460,
- 'NRF52': 0x1b57745f,
- 'STM32F1': 0x5ee21072,
- 'STM32F4': 0x57755a57,
- 'ATMEGA32': 0x16573617,
- 'MIMXRT10XX': 0x4FB2D5BD
-}
-
-INFO_FILE = "/INFO_UF2.TXT"
-
-appstartaddr = 0x2000
-familyid = 0x0
-
-
-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(b"^[:0-9a-fA-F\r\n]+$", buf):
- return True
- return False
-
-def convert_from_uf2(buf):
- global appstartaddr
- numblocks = len(buf) // 512
- curraddr = None
- outp = b""
- for blockno in range(numblocks):
- ptr = blockno * 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")
- continue
- if hd[2] & 1:
- # NO-flash flag set; skip block
- continue
- datalen = hd[4]
- if datalen > 476:
- assert False, "Invalid UF2 data size at " + ptr
- newaddr = hd[3]
- if curraddr == None:
- appstartaddr = newaddr
- curraddr = newaddr
- padding = newaddr - curraddr
- if padding < 0:
- assert False, "Block out of order at " + ptr
- 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
- while padding > 0:
- padding -= 4
- outp += b"\x00\x00\x00\x00"
- outp += block[32 : 32 + datalen]
- curraddr = newaddr + datalen
- return outp
-
-def convert_to_carray(file_content):
- outp = "const unsigned char bindata[] __attribute__((aligned(16))) = {"
- for i in range(len(file_content)):
- if i % 16 == 0:
- outp += "\n"
- outp += "0x%02x, " % ord(file_content[i])
- outp += "\n};\n"
- return outp
-
-def convert_to_uf2(file_content):
- global familyid
- datapadding = b""
- while len(datapadding) < 512 - 256 - 32 - 4:
- datapadding += b"\x00\x00\x00\x00"
- numblocks = (len(file_content) + 255) // 256
- outp = b""
- for blockno in range(numblocks):
- ptr = 256 * blockno
- 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)
- while len(chunk) < 256:
- chunk += b"\x00"
- block = hd + chunk + datapadding + struct.pack(b"<I", UF2_MAGIC_END)
- assert len(block) == 512
- outp += block
- return outp
-
-class Block:
- def __init__(self, addr):
- self.addr = addr
- self.bytes = bytearray(256)
-
- def encode(self, blockno, numblocks):
- global familyid
- flags = 0x0
- if familyid:
- flags |= 0x2000
- 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'):
- if line[0] != ":":
- continue
- i = 1
- rec = []
- while i < len(line) - 1:
- rec.append(int(line[i:i+2], 16))
- i += 2
- tp = rec[3]
- if tp == 4:
- upper = ((rec[4] << 8) | rec[5]) << 16
- elif tp == 2:
- upper = ((rec[4] << 8) | rec[5]) << 4
- assert (upper & 0xffff) == 0
- elif tp == 1:
- break
- elif tp == 0:
- addr = upper | (rec[1] << 8) | rec[2]
- if appstartaddr == None:
- appstartaddr = addr
- i = 4
- while i < len(rec) - 1:
- if not currblock or currblock.addr & ~0xff != addr & ~0xff:
- currblock = Block(addr & ~0xff)
- blocks.append(currblock)
- currblock.bytes[addr & 0xff] = rec[i]
- addr += 1
- i += 1
- numblocks = len(blocks)
- resfile = b""
- for i in range(0, numblocks):
- 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(["wmic", "PATH", "Win32_LogicalDisk",
- "get", "DeviceID,", "VolumeName,",
- "FileSystem,", "DriveType"])
- for line in to_str(r).split('\n'):
- words = re.split('\s+', line)
- if len(words) >= 3 and words[1] == "2" and words[2] == "FAT":
- drives.append(words[0])
- else:
- rootpath = "/media"
- if sys.platform == "darwin":
- rootpath = "/Volumes"
- elif sys.platform == "linux":
- tmp = rootpath + "/" + os.environ["USER"]
- if os.path.isdir(tmp):
- rootpath = tmp
- for d in os.listdir(rootpath):
- drives.append(os.path.join(rootpath, d))
-
-
- def has_info(d):
- try:
- return os.path.isfile(d + INFO_FILE)
- except:
- return False
-
- return list(filter(has_info, drives))
-
-
-def board_id(path):
- with open(path + INFO_FILE, mode='r') as file:
- file_content = file.read()
- return re.search("Board-ID: ([^\r\n]*)", file_content).group(1)
-
-
-def list_drives():
- for d in get_drives():
- print(d, board_id(d))
-
-
-def write_file(name, buf):
- with open(name, "wb") as f:
- f.write(buf)
- print("Wrote %d bytes to %s" % (len(buf), name))
-
-
-def main():
- global appstartaddr, familyid
- def error(msg):
- print(msg)
- 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('-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('-f' , '--family', dest='family', type=str,
- default="0x0",
- help='specify familyID - number or name (default: 0x0)')
- parser.add_argument('-C' , '--carray', action='store_true',
- help='convert binary file to a C array, not UF2')
- args = parser.parse_args()
- appstartaddr = int(args.base, 0)
-
- if args.family.upper() in families:
- familyid = families[args.family.upper()]
- else:
- try:
- familyid = int(args.family, 0)
- except ValueError:
- 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:
- inpbuf = f.read()
- from_uf2 = is_uf2(inpbuf)
- ext = "uf2"
- if args.deploy:
- outbuf = inpbuf
- elif from_uf2:
- outbuf = convert_from_uf2(inpbuf)
- ext = "bin"
- elif is_hex(inpbuf):
- outbuf = convert_from_hex_to_uf2(inpbuf.decode("utf-8"))
- elif args.carray:
- outbuf = convert_to_carray(inpbuf)
- ext = "h"
- else:
- outbuf = convert_to_uf2(inpbuf)
- print("Converting to %s, output size: %d, start address: 0x%x" %
- (ext, len(outbuf), appstartaddr))
- if args.convert or ext != "uf2":
- drives = []
- if args.output == None:
- args.output = "flash." + ext
- else:
- drives = get_drives()
-
- if args.output:
- write_file(args.output, outbuf)
- else:
- if len(drives) == 0:
- error("No drive to deploy.")
- for d in drives:
- print("Flashing %s (%s)" % (d, board_id(d)))
- write_file(d + "/NEW.UF2", outbuf)
-
-
-if __name__ == "__main__":
- main()
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